Re: [Bacula-users] Can't find the tape changer

[Gary R. Schmidt]

On Wed, January 20, 2010 06:04, Dan Langille wrote:
[SNIP]
The prceeding shows *3* SCSI controllers: scsi0, scsi1, and scsi2.

The one you want is scsi2, which is an LSI 53C1030
,
according to this:
> Fusion MPT base driver 3.12.19.00rh
> Copyright (c) 1999-2007 LSI Corporation
> Fusion MPT SAS Host driver 3.12.19.00rh
> Fusion MPT SPI Host driver 3.12.19.00rh
> ACPI: PCI Interrupt :11:08.0[A] -> GSI 16 (level, low) -> IRQ 169
> mptbase: Initiating ioc0 bringup
> ioc0: 53C1030: Capabilities={Initiator,Target}
> scsi2 : ioc0: LSI53C1030, FwRev=01032700h, Ports=1, MaxQ=255, IRQ=169
>Vendor: IBM   Model: ULTRIUM-TD3   Rev: 6B20
>Type:   Sequential-Access  ANSI SCSI revision: 03
>Vendor: DELL  Model: PV-124T   Rev: 0043
>Type:   Medium Changer ANSI SCSI revision: 02
> st: Version 20040403, fixed bufsize 32768, s/g segs 256
> Attached scsi tape st0 at scsi2, channel 0, id 6, lun 0
> st0: try direct i/o: yes (alignment 512 B), max page reachable by HBA
> 4503599627370495
> Attached scsi generic sg0 at scsi0, channel 0, id 8, lun 0,  type 13
> Attached scsi generic sg1 at scsi0, channel 2, id 0, lun 0,  type 0
> Attached scsi generic sg2 at scsi1, channel 0, id 17, lun 0,  type 13
> Attached scsi generic sg3 at scsi1, channel 2, id 0, lun 0,  type 0
> Attached scsi generic sg4 at scsi1, channel 2, id 1, lun 0,  type 0
> Attached scsi generic sg5 at scsi2, channel 0, id 6, lun 0,  type 1
> Attached scsi generic sg6 at scsi2, channel 0, id 6, lun 1,  type 8
[...]
> Fusion MPT misc device (ioctl) driver 3.12.19.00rh
> mptctl: Registered with Fusion MPT base driver
> mptctl: /dev/mptctl @ (major,minor=10,220)
> st0: Block limits 1 - 16777215 bytes.
[...]
> mptctl_gettargetinfo - buffer is full but more targets are available on
> ioc 0 numDevices=1

Hit the LSI site, and see what's what there - it may need a custom driver,
or a bit of a reconfiguration, or summat.  The last bit about "more
targets are available" implies something is not configured.

Also, the tape is at id 6 lun 0, the changer is at id 6 lun 1, which means
the changer *should* be /dev/sg6...  There's something niggling at the
back of my mind about having to do something with some devices control
file to enable the other LUN - but it won't come to the front.

Cheers,
GaryB-)



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Re: [Bacula-users] Can't find the tape changer

[Dan Langille]

Henry Yen wrote:
> On Tue, Jan 19, 2010 at 10:01:50AM -0500, Dan Langille wrote:
>> Bugger.  I get none of the above:
>>
>> # lsscsi -g
>> -bash: lsscsi: command not found
> 
> How about sg3_utils, then?  Try:
> 
>sg_map -i -x


]# sg_map -i -x
/dev/sg0  0 0 8 0  13  DPBACKPLANE 1.05
/dev/sg1  0 2 0 0  0  /dev/sda  DELL  PERC 5/i  1.03
/dev/sg2  1 0 17 0  13  DELL  MD1000A.03
/dev/sg3  1 2 0 0  0  /dev/sdb  DELL  PERC 5/E Adapter  1.03
/dev/sg4  1 2 1 0  0  /dev/sdc  DELL  PERC 5/E Adapter  1.03
/dev/sg5  2 0 6 0  1  /dev/nst0  IBM   ULTRIUM-TD3   6B20
/dev/sg6  2 0 6 1  8  DELL  PV-124T   0043


Looks like a number of PERC.  :)


> 
> It is in the CENTOS pools: yum install sg3_utils

Here we are.. me, installing software on Linux... be afraid.  ;)

# yum install sg3_utils
Loading "dellsysidplugin" plugin
Setting up Install Process
Setting up repositories
dell-omsa-indep   100% |=| 1.9 kB00:00
dell-omsa-specific100% |=| 1.9 kB00:00
update100% |=|  951 B00:00
base  100% |=| 1.1 kB00:00
contrib   100% |=|  951 B00:00
centosplus100% |=|  951 B00:00
addons100% |=|  951 B00:00
extras100% |=| 1.1 kB00:00
Reading repository metadata in from local files
primary.xml.gz100% |=|  71 kB00:00
sqlite cache needs updating, reading in metadata
dell-omsa-: ## 507/507
primary.xml.gz100% |=|  792 B00:00
sqlite cache needs updating, reading in metadata
dell-omsa-: ## 1/1
primary.xml.gz100% |=| 164 kB00:00
sqlite cache needs updating, reading in metadata
update: ## 514/514
primary.xml.gz100% |=| 715 kB00:01
sqlite cache needs updating, reading in metadata
base  : ## 1844/1844
primary.xml.gz100% |=|  85 kB00:00
sqlite cache needs updating, reading in metadata
centosplus: ## 246/246
primary.xml.gz100% |=|  36 kB00:00
sqlite cache needs updating, reading in metadata
extras: ## 141/141
Parsing package install arguments
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for sg3_utils to pack into transaction set.
sg3_utils-1.22-3.1.x86_64 100% |=|  14 kB00:00
---> Package sg3_utils.x86_64 0:1.22-3.1 set to be updated
--> Running transaction check
--> Processing Dependency: libsgutils.so.1()(64bit) for package: sg3_utils
--> Restarting Dependency Resolution with new changes.
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for sg3_utils-libs to pack into transaction set.
sg3_utils-libs-1.22-3.1.x 100% |=| 3.9 kB00:00
---> Package sg3_utils-libs.x86_64 0:1.22-3.1 set to be updated
--> Running transaction check

Dependencies Resolved

=
  Package Arch   Version  RepositorySize
=
Installing:
  sg3_utils   x86_64 1.22-3.1 base 
407 k
Installing for dependencies:
  sg3_utils-libs  x86_64 1.22-3.1 base 
  45 k

Transaction Summary
=
Install  2 Package(s)
Update   0 Package(s)
Remove   0 Package(s)
Total download size: 452 k
Is this ok [y/N]: y
Downloading Packages:
(1/2): sg3_utils-libs-1.2 100% |=|  45 kB00:00
(2/2): sg3_utils-1.22-3.1 100% |=| 407 kB00:00
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
   Installing: sg3_utils-libs   # [1/2]
   Installing: sg3_utils# [2/2]

Installed: sg3_utils.x86_64 0:1.22-3.1
Dependency Installed: sg3_utils-libs.x86_64 0:1.22-3.1
Complete!
#

> and is installable as static binaries.  I could send you a static sg_map,
> if you want (and you trust me enough to run it...).
> 


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Re: [Bacula-users] Can't find the tape changer

[Dan Langille]

John BORIS wrote:
> I have a PowerVault 124T. Under RHEL 5. 
> Attached devices:
> Host: scsi0 Channel: 00 Id: 06 Lun: 00
>   Vendor: SUPERModel: GEM318   Rev: 0   
>   Type:   ProcessorANSI SCSI revision: 02
> Host: scsi0 Channel: 01 Id: 06 Lun: 00
>   Vendor: SUPERModel: GEM318   Rev: 0   
>   Type:   ProcessorANSI SCSI revision: 02
> Host: scsi0 Channel: 02 Id: 00 Lun: 00
>   Vendor: MegaRAID Model: LD0 RAID5 30505R Rev: 1L19
>   Type:   Direct-AccessANSI SCSI revision: 02
> Host: scsi1 Channel: 00 Id: 02 Lun: 00
>   Vendor: SEAGATE  Model: DAT9SP40-000 Rev: 911D
>   Type:   Sequential-AccessANSI SCSI revision: 03
> Host: scsi2 Channel: 00 Id: 06 Lun: 00
>   Vendor: CERTANCE Model: ULTRIUM 2Rev: 1826
>   Type:   Sequential-AccessANSI SCSI revision: 03
> Host: scsi2 Channel: 00 Id: 06 Lun: 01
>   Vendor: DELL Model: PV-124T  Rev: 0031
>   Type:   Medium Changer   ANSI SCSI revision: 02
> 
> 
> The changer is at:
> /dev/sg5

oh.  Thank you.

# mtx -f /dev/sg5 status
mtx: Request Sense: Long Report=yes
mtx: Request Sense: Valid Residual=no
mtx: Request Sense: Error Code=70 (Current)
mtx: Request Sense: Sense Key=Illegal Request
mtx: Request Sense: FileMark=no
mtx: Request Sense: EOM=no
mtx: Request Sense: ILI=no
mtx: Request Sense: Additional Sense Code = 20
mtx: Request Sense: Additional Sense Qualifier = 00
mtx: Request Sense: Field in Error = 00
mtx: Request Sense: BPV=no
mtx: Request Sense: Error in CDB=yes
mtx: Request Sense: SKSV=yes
mtx: Request Sense: Field Pointer = 00 00
READ ELEMENT STATUS Command Failed

# tapeinfo -f /dev/sg5
Product Type: Tape Drive
Vendor ID: 'IBM '
Product ID: 'ULTRIUM-TD3 '
Revision: '6B20'
Attached Changer: No
SerialNumber: '1210283915'
MinBlock:1
MaxBlock:16777215
SCSI ID: 6
SCSI LUN: 0
Ready: yes
BufferedMode: yes
Medium Type: 0x38
Density Code: 0x44
BlockSize: 0
DataCompEnabled: yes
DataCompCapable: yes
DataDeCompEnabled: yes
CompType: 0x1
DeCompType: 0x1
BOP: yes
Block Position: 0


> The tape drive on this changer is at:
> Data Node   /dev/st1  
> No Rewind Node  /dev/nst1
> 
> The tape drive and changer did work under Bacula when the system was
> running Fedora Core 3. Since I had to upgrade to RHEL 5 I have had
> issues getting Bacula running but that has been just me being dumb.
> 
> Hope this helps.

It does help.  Thank you.

> 
> 
> 
> John J. Boris, Sr.
> JEN-A-SyS Administrator
> Archdiocese of Philadelphia
> "Remember! That light at the end of the tunnel
> Just might be the headlight of an oncoming train!"
> 
 ganiuszka  1/19/2010 11:25 AM >>>
> 
> Here is a instruction about Dell PowerVault 124T and LUNs under Linux.
> 
> http://support.dell.com/support/edocs/stor-sys/124t/en/124tvs16/install.html#enabling_lun_linux
> 
> 
> Subject "Enabling LUN Support in Linux"
> 
> Maybe this is the solution.
> 
> Regards.
> Marcin


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Re: [Bacula-users] Can't find the tape changer

[Dan Langille]

Alex Chekholko wrote:
> On Tue, 19 Jan 2010 09:56:16 -0500
> Dan Langille  wrote:
> 
>> Henry Yen wrote:
>>> On Mon, Jan 18, 2010 at 09:17:51AM -0500, Dan Langille wrote:
>>>
> ]# mtx -f /dev/sg6 status
> mtx: Request Sense: Long Report=yes
> mtx: Request Sense: Valid Residual=no
> mtx: Request Sense: Error Code=0 (Unknown?!)
> mtx: Request Sense: Sense Key=No Sense
> mtx: Request Sense: FileMark=no
> mtx: Request Sense: EOM=no
> mtx: Request Sense: ILI=no
> mtx: Request Sense: Additional Sense Code = 00
> mtx: Request Sense: Additional Sense Qualifier = 00
> mtx: Request Sense: BPV=no
> mtx: Request Sense: Error in CDB=no
> mtx: Request Sense: SKSV=no
> READ ELEMENT STATUS Command Failed
>>> Does the failure remain after retrying after a minute or two?  I've used
>>> some changers that tended to throw errors like the above for the first
>>> half-a-minute or so following a reset.  Waiting a minute was required
>>> for the changer to settle back to normal.
>> No.  Here is the status first thing this morning:
>> # mtx -f /dev/sg6 status
>> mtx: Request Sense: Long Report=yes
>> mtx: Request Sense: Valid Residual=no
>> mtx: Request Sense: Error Code=0 (Unknown?!)
>> mtx: Request Sense: Sense Key=No Sense
>> mtx: Request Sense: FileMark=no
>> mtx: Request Sense: EOM=no
>> mtx: Request Sense: ILI=no
>> mtx: Request Sense: Additional Sense Code = 00
>> mtx: Request Sense: Additional Sense Qualifier = 00
>> mtx: Request Sense: BPV=no
>> mtx: Request Sense: Error in CDB=no
>> mtx: Request Sense: SKSV=no
>> READ ELEMENT STATUS Command Failed
> 
> How about "tapeinfo"?
> 
> # tapeinfo -f /dev/sg10
> Product Type: Medium Changer
> Vendor ID: 'IBM '
> Product ID: '3576-MTL'
> Revision: '570G'
> Attached Changer: No
> SerialNumber: '01312306_LLA'
> SCSI ID: 2
> SCSI LUN: 1
> Ready: yes

# tapeinfo -f /dev/sg6
Product Type: Medium Changer
Vendor ID: 'DELL'
Product ID: 'PV-124T '
Revision: '0043'
Attached Changer: No
SerialNumber: 'CH7FB30349'
SCSI ID: 6
SCSI LUN: 1
Ready: no


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Re: [Bacula-users] Can't find the tape changer

[Arno Lehmann]

Hi,

19.01.2010 16:01, Dan Langille wrote:
> Robert Hartzell wrote:
>> On 01/18/10 07:17 PM, Dan Langille wrote:
>>> Dan Langille wrote:
 I'm helping a client with a Linux system.  I see the tape drive, but
 cannot find the tape changer.  Clues please.

   From dmesg:
>>> Also:
>>>
>>> Linux version 2.6.9-78.0.8.plus.c4smp (mockbu...@builder10.centos.org)
>>> (gcc version 3.4.6 20060404 (Red Hat 3.4.6-10)) #1 SMP Thu Nov 27
>>> 19:19:34 EST 2008
>>>
>>> And there is no /dev/changer*

That would be an exercise in writing a proper udev rule. Example on 
request.

...
> Bugger.  I get none of the above:
> 
> # lsscsi -g
> -bash: lsscsi: command not found

Run 'yum install lsscsi' as root, in a shell.

> # ls -l /dev | grep sg
> crw---  1 root root  36,  14 Jan 14 17:23 dnrtmsg
> crw---  1 root root   1,  11 Jan 14 17:23 kmsg
> crw-rw  1 root disk  21,   0 Jan 14 23:23 sg0
> crw-rw  1 root disk  21,   1 Jan 14 23:23 sg1
> crw-rw  1 root disk  21,   2 Jan 14 23:23 sg2
> crw-rw  1 root disk  21,   3 Jan 14 23:23 sg3
> crw-rw  1 root disk  21,   4 Jan 14 23:23 sg4
> crw-rw  1 root disk  21,   5 Jan 14 23:23 sg5
> crw-rw  1 root disk  21,   6 Jan 14 23:23 sg6
> 
> Linux version 2.6.9-78.0.8.plus.c4smp (mockbu...@builder10.centos.org) 
> (gcc version 3.4.6 20060404 (Red Hat 3.4.6-10)) #1 SMP Thu Nov 27 
> 19:19:34 EST 2008

Hmm... a bit outdated, that system :-) Can you suggest an upgrade to a 
more recent version? The one you have is a CentOS 4.x, I believe the 
most recent CentOS 4 has 2.6.9-89 or newer. You might also benefit 
from some security related fixes.

> *sigh*
> 
> I'd like to help these people out, but well, there *seems* to be a 
> hardware issue.  Their admin, now departed, claims backups to tape were 
> working.  Backups to disk are working, but not tape.  Nothing in 
> bacula-sd.conf refers to any tape drive.  Nothing in the command history 
> refers to the tape drive.

Can they show you *any* tape with data on it?

> They have 8x400GB volumes on disk and they're out of space.
> 
> Mysteries.

Always challenging to discover them when you're already out of space :-)

Good luck!

Arno

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IT-Service Lehmann
Sandstr. 6, 49080 Osnabrück
www.its-lehmann.de

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Re: [Bacula-users] Can't find the tape changer

[Arno Lehmann]

Hi,

19.01.2010 20:04, Dan Langille wrote:

I see some things that I would look at more closely. See below.

...
> mptctl_gettargetinfo - buffer is full but more targets are available on
> ioc 0 numDevices=1

I don't know if this is an error condition, but it would be worth 
checking if this is normal behaviour.

...
> mptbase: ioc0: LogInfo(0x11010600): F/W: bug! MID not found
> mptbase: ioc0: LogInfo(0x11010600): F/W: bug! MID not found
> mptbase: ioc0: WARNING - IOCStatus(0x004b): SCSI IOC Terminated on
> CDB=5a id=6 lun=1

F/W bug sounds like firmware bug... Have you checked if you can 
upgrade either the HBA's firmware or the kernel module?

...
> 
>Vendor: DPModel: BACKPLANE Rev: 1.05
>Type:   Enclosure  ANSI SCSI revision: 05
>Vendor: DELL  Model: PERC 5/i  Rev: 1.03
>Type:   Direct-Access  ANSI SCSI revision: 05
> SCSI device sda: 284164096 512-byte hdwr sectors (145492 MB)
> SCSI device sda: drive cache: write through
> SCSI device sda: 284164096 512-byte hdwr sectors (145492 MB)
> SCSI device sda: drive cache: write through
>   sda: sda1 sda2
> Attached scsi disk sda at scsi0, channel 2, id 0, lun 0

That looks ok - one disk and one backplane at scsi0.

> megasas: 0x1028:0x0015:0x1028:0x1f01: bus 13:slot 14:func 0
> ACPI: PCI Interrupt :0d:0e.0[A] -> GSI 18 (level, low) -> IRQ 201
> megasas: FW now in Ready state
> megasas: max_sectors : 0x280, cmd_per_lun : 0x80
> scsi1 : LSI Logic SAS based MegaRAID driver
>Vendor: DELL  Model: MD1000Rev: A.03
>Type:   Enclosure  ANSI SCSI revision: 05
>Vendor: DELL  Model: PERC 5/E Adapter  Rev: 1.03
>Type:   Direct-Access  ANSI SCSI revision: 05

This is the RAID-enabled LSI HBA (IIRC, PERC HBAs use LSI chips).

> sdb : very big device. try to use READ CAPACITY(16).
> SCSI device sdb: 7320371200 512-byte hdwr sectors (3748030 MB)
> SCSI device sdb: drive cache: write through
> sdb : very big device. try to use READ CAPACITY(16).
> SCSI device sdb: 7320371200 512-byte hdwr sectors (3748030 MB)
> SCSI device sdb: drive cache: write through
>   sdb: unknown partition table
> Attached scsi disk sdb at scsi1, channel 2, id 0, lun 0
>Vendor: DELL  Model: PERC 5/E Adapter  Rev: 1.03
>Type:   Direct-Access  ANSI SCSI revision: 05
> SCSI device sdc: 1951399936 512-byte hdwr sectors (999117 MB)
> SCSI device sdc: drive cache: write through
> SCSI device sdc: 1951399936 512-byte hdwr sectors (999117 MB)
> SCSI device sdc: drive cache: write through
>   sdc: sdc1
> Attached scsi disk sdc at scsi1, channel 2, id 1, lun 0

On the RAID HBA scsi1, it's two volumes and the enclosure services. 
Looks ok, too.
...
> Fusion MPT base driver 3.12.19.00rh
> Copyright (c) 1999-2007 LSI Corporation
> Fusion MPT SAS Host driver 3.12.19.00rh
> Fusion MPT SPI Host driver 3.12.19.00rh
> ACPI: PCI Interrupt :11:08.0[A] -> GSI 16 (level, low) -> IRQ 169
> mptbase: Initiating ioc0 bringup
> ioc0: 53C1030: Capabilities={Initiator,Target}
> scsi2 : ioc0: LSI53C1030, FwRev=01032700h, Ports=1, MaxQ=255, IRQ=169
>Vendor: IBM   Model: ULTRIUM-TD3   Rev: 6B20
>Type:   Sequential-Access  ANSI SCSI revision: 03
>Vendor: DELL  Model: PV-124T   Rev: 0043
>Type:   Medium Changer ANSI SCSI revision: 02
> st: Version 20040403, fixed bufsize 32768, s/g segs 256
> Attached scsi tape st0 at scsi2, channel 0, id 6, lun 0
> st0: try direct i/o: yes (alignment 512 B), max page reachable by HBA
> 4503599627370495

Tape drive and autochanger connected, looks good. Running on their own 
HBA, which is also good. You should, as pointed out, verify that the 
SCSI bus they are connected to is not configured as RAID.

> Attached scsi generic sg0 at scsi0, channel 0, id 8, lun 0,  type 13
> Attached scsi generic sg1 at scsi0, channel 2, id 0, lun 0,  type 0

Backplane and disk, as above.

> Attached scsi generic sg2 at scsi1, channel 0, id 17, lun 0,  type 13
> Attached scsi generic sg3 at scsi1, channel 2, id 0, lun 0,  type 0
> Attached scsi generic sg4 at scsi1, channel 2, id 1, lun 0,  type 0

On scsi1, one backplane, two disk. Also good.
> Attached scsi generic sg5 at scsi2, channel 0, id 6, lun 0,  type 1
> Attached scsi generic sg6 at scsi2, channel 0, id 6, lun 1,  type 8

On scsi2, tape drive and media changer. Correct.
...
> mptbase: ioc0: LogInfo(0x11010600): F/W: bug! MID not found
> mptbase: ioc0: LogInfo(0x11010600): F/W: bug! MID not found
> mptbase: ioc0: WARNING - IOCStatus(0x004b): SCSI IOC Terminated on
> CDB=5a id=6 lun=1

This is disturbing. Without looking into this, this message sounds 
like an aborted SCSI transaction, due to a firmware issue.

...
> [more but I think that's all we need]

I would recommend to verify that the SCSI buses are in the proper 
modes - the one connecting the autochanger should not be set to RAI

Re: [Bacula-users] Can't find the tape changer

[Richard Scobie]

Dan Langille wrote:

> Fusion MPT SPI Host driver 3.12.19.00rh
> ACPI: PCI Interrupt :11:08.0[A] -> GSI 16 (level, low) -> IRQ 169
> mptbase: Initiating ioc0 bringup
> ioc0: 53C1030: Capabilities={Initiator,Target}
> scsi2 : ioc0: LSI53C1030, FwRev=01032700h, Ports=1, MaxQ=255, IRQ=169
> Vendor: IBM Model: ULTRIUM-TD3 Rev: 6B20
> Type: Sequential-Access ANSI SCSI revision: 03
> Vendor: DELL Model: PV-124T Rev: 0043
> Type: Medium Changer ANSI SCSI revision: 02
> st: Version 20040403, fixed bufsize 32768, s/g segs 256
> Attached scsi tape st0 at scsi2, channel 0, id 6, lun 0

No, it's not attached to to a PERC, but it still could be a RAID controller.

The LSI 53C1030 is a dual channel Ultra 320 controller chip and as such 
cold be used as a straight controller, (my system is using an 53C1020 - 
single channel version without problem.

However, there are RAID controller products using the 53C1030:



so you will need to check.

Regards,

Richard

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Re: [Bacula-users] Can't find the tape changer

[Henry Yen]

On Tue, Jan 19, 2010 at 10:01:50AM -0500, Dan Langille wrote:
> Bugger.  I get none of the above:
> 
> # lsscsi -g
> -bash: lsscsi: command not found

How about sg3_utils, then?  Try:

   sg_map -i -x

It is in the CENTOS pools: yum install sg3_utils
and is installable as static binaries.  I could send you a static sg_map,
if you want (and you trust me enough to run it...).

-- 
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Senior Systems Programmer   Hicksville, New York

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Re: [Bacula-users] Can't find the tape changer

[Dan Langille]

resending with cc to list:

Richard Scobie wrote:
> Dan Langille wrote:
>> ganiuszka wrote:
>>> Here is a instruction about Dell PowerVault 124T and LUNs under Linux.
>>>
>>> http://support.dell.com/support/edocs/stor-sys/124t/en/124tvs16/install.html#enabling_lun_linux
>>>  
>>>
>>>
>>> Subject "Enabling LUN Support in Linux"
>>>
>>> Maybe this is the solution.
>>
>> This is what I see now (output slightly altered to make it easier to 
>> read):
>>
>> # cat /proc/scsi/scsi
>> Attached devices:
>> Host: scsi0 Channel: 00 Id: 08 Lun: 00
>> Vendor: DP   Model: BACKPLANERev: 1.05
>> Type:   EnclosureANSI SCSI revision: 05
>>
>> Host: scsi0 Channel: 02 Id: 00 Lun: 00
>> Vendor: DELL Model: PERC 5/i Rev: 1.03
>> Type:   Direct-AccessANSI SCSI revision: 05
>>
>> Host: scsi1 Channel: 00 Id: 17 Lun: 00
>> Vendor: DELL Model: MD1000   Rev: A.03
>> Type:   EnclosureANSI SCSI revision: 05
>>
>> Host: scsi1 Channel: 02 Id: 00 Lun: 00
>> Vendor: DELL Model: PERC 5/E Adapter Rev: 1.03
>> Type:   Direct-AccessANSI SCSI revision: 05
>>
>> Host: scsi1 Channel: 02 Id: 01 Lun: 00
>> Vendor: DELL Model: PERC 5/E Adapter Rev: 1.03
>> Type:   Direct-AccessANSI SCSI revision: 05
>>
>>
>> ## pretty sure this is the tape drive
>>
>> Host: scsi2 Channel: 00 Id: 06 Lun: 00
>> Vendor: IBM  Model: ULTRIUM-TD3  Rev: 6B20
>> Type:   Sequential-AccessANSI SCSI revision: 03
>>
>>
>> ## and that this is the tape changer
>>
>> Host: scsi2 Channel: 00 Id: 06 Lun: 01
>> Vendor: DELL Model: PV-124T  Rev: 0043
>> Type:   Medium Changer   ANSI SCSI revision: 02
> 
> Dan, is the changer attached to one of the PERC controllers (which I 
> believe are RAID controllers)?
> 
> If so, the note in the above mentioned Dell doc (SCSI Bus Requirements) 
>  may be the answer:
> 
> "NOTE: The autoloader may not work with multiple SCSI LUNS when attached 
> to a redundant array of independent disks (RAID) controller. The 
> autoloader is not recommended for use with a RAID controller. If this 
> problem occurs, it is recommended that the autoloader be attached to a 
> separate SCSI bus controller on the server."
> 

DOH!  I will find out.  Here is the -almost] full dmsg.  It sure looks
like just one SCSI controller to me.  But I see scsc1 and scsi2

scsi1 : LSI Logic SAS based MegaRAID driver
Attached scsi disk sdb at scsi1, channel 2, id 0, lun 0
Attached scsi disk sdc at scsi1, channel 2, id 1, lun 0
Attached scsi generic sg2 at scsi1, channel 0, id 17, lun 0,  type 13
Attached scsi generic sg3 at scsi1, channel 2, id 0, lun 0,  type 0
Attached scsi generic sg4 at scsi1, channel 2, id 1, lun 0,  type 0

scsi2 : ioc0: LSI53C1030, FwRev=01032700h, Ports=1, MaxQ=255, IRQ=169
Attached scsi tape st0 at scsi2, channel 0, id 6, lun 0

Could someone more familar with Linux experience please review and
confirm/deny.  Thank you.


Bootdata ok (command line is ro root=/dev/VolGroup00/LogVol00)
Linux version 2.6.9-78.0.8.plus.c4smp (mockbu...@builder10.centos.org)
(gcc version 3.4.6 20060404 (Red Hat 3.4.6-10)) #1 SMP
  Thu Nov 27 19:19:34 EST 2008
BIOS-provided physical RAM map:
  BIOS-e820:  - 000a (usable)
  BIOS-e820: 0010 - cfb5 (usable)
  BIOS-e820: cfb5 - cfb66000 (reserved)
  BIOS-e820: cfb66000 - cfb85c00 (ACPI data)
  BIOS-e820: cfb85c00 - d000 (reserved)
  BIOS-e820: e000 - f000 (reserved)
  BIOS-e820: fe00 - 0001 (reserved)
  BIOS-e820: 0001 - 00013000 (usable)
ACPI: RSDP (v002 DELL  ) @
0x000f2160
ACPI: XSDT (v001 DELL   PE_SC3   0x0001 DELL 0x0001) @
0x000f21fc
ACPI: FADT (v003 DELL   PE_SC3   0x0001 DELL 0x0001) @
0xcfb83524
ACPI: MADT (v001 DELL   PE_SC3   0x0001 DELL 0x0001) @
0xcfb83078
ACPI: SPCR (v001 DELL   PE_SC3   0x0001 DELL 0x0001) @
0xcfb83130
ACPI: HPET (v001 DELL   PE_SC3   0x0001 DELL 0x0001) @
0xcfb83184
ACPI: MCFG (v001 DELL   PE_SC3   0x0001 DELL 0x0001) @
0xcfb831c0
ACPI: WD__ (v001 DELL   PE_SC3   0x0001 DELL 0x0001) @
0xcfb83200
ACPI: SLIC (v001 DELL   PE_SC3   0x0001 DELL 0x0001) @
0xcfb83338
ACPI: ERST (v001 DELL   PE_SC3   0x0001 DELL 0x0001) @
0xcfb6ab18
ACPI: HEST (v001 DELL   PE_SC3   0x0001 DELL 0x0001) @
0xcfb6ad28
ACPI: BERT (v001 DELL   PE_SC3   0x0001 DELL 0x0001) @
0xcfb6a998
ACPI: EINJ (v001 DELL   PE_SC3   0x0001 DELL 0x0001) @
0xcfb6a9c8
ACPI: TCPA (v001 DELL   PE_SC3   0x0001 DELL 0x0001) @
0xcfb834bc
ACPI: DSDT (v001 DELL   PE_SC3   0x0001 IN

Re: [Bacula-users] Can't find the tape changer

[John BORIS]

I have a PowerVault 124T. Under RHEL 5. 
Attached devices:
Host: scsi0 Channel: 00 Id: 06 Lun: 00
  Vendor: SUPERModel: GEM318   Rev: 0   
  Type:   ProcessorANSI SCSI revision: 02
Host: scsi0 Channel: 01 Id: 06 Lun: 00
  Vendor: SUPERModel: GEM318   Rev: 0   
  Type:   ProcessorANSI SCSI revision: 02
Host: scsi0 Channel: 02 Id: 00 Lun: 00
  Vendor: MegaRAID Model: LD0 RAID5 30505R Rev: 1L19
  Type:   Direct-AccessANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 02 Lun: 00
  Vendor: SEAGATE  Model: DAT9SP40-000 Rev: 911D
  Type:   Sequential-AccessANSI SCSI revision: 03
Host: scsi2 Channel: 00 Id: 06 Lun: 00
  Vendor: CERTANCE Model: ULTRIUM 2Rev: 1826
  Type:   Sequential-AccessANSI SCSI revision: 03
Host: scsi2 Channel: 00 Id: 06 Lun: 01
  Vendor: DELL Model: PV-124T  Rev: 0031
  Type:   Medium Changer   ANSI SCSI revision: 02


The changer is at:
/dev/sg5

The tape drive on this changer is at:
Data Node   /dev/st1  
No Rewind Node  /dev/nst1

The tape drive and changer did work under Bacula when the system was
running Fedora Core 3. Since I had to upgrade to RHEL 5 I have had
issues getting Bacula running but that has been just me being dumb.

Hope this helps.



John J. Boris, Sr.
JEN-A-SyS Administrator
Archdiocese of Philadelphia
"Remember! That light at the end of the tunnel
Just might be the headlight of an oncoming train!"

>>> ganiuszka  1/19/2010 11:25 AM >>>

Here is a instruction about Dell PowerVault 124T and LUNs under Linux.

http://support.dell.com/support/edocs/stor-sys/124t/en/124tvs16/install.html#enabling_lun_linux


Subject "Enabling LUN Support in Linux"

Maybe this is the solution.

Regards.
Marcin
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Re: [Bacula-users] Can't find the tape changer

[Richard Scobie]

Dan Langille wrote:
> ganiuszka wrote:
>> Here is a instruction about Dell PowerVault 124T and LUNs under Linux.
>>
>> http://support.dell.com/support/edocs/stor-sys/124t/en/124tvs16/install.html#enabling_lun_linux
>>
>> Subject "Enabling LUN Support in Linux"
>>
>> Maybe this is the solution.
>
> This is what I see now (output slightly altered to make it easier to read):
>
> # cat /proc/scsi/scsi
> Attached devices:
> Host: scsi0 Channel: 00 Id: 08 Lun: 00
> Vendor: DP   Model: BACKPLANERev: 1.05
> Type:   EnclosureANSI SCSI revision: 05
>
> Host: scsi0 Channel: 02 Id: 00 Lun: 00
> Vendor: DELL Model: PERC 5/i Rev: 1.03
> Type:   Direct-AccessANSI SCSI revision: 05
>
> Host: scsi1 Channel: 00 Id: 17 Lun: 00
> Vendor: DELL Model: MD1000   Rev: A.03
> Type:   EnclosureANSI SCSI revision: 05
>
> Host: scsi1 Channel: 02 Id: 00 Lun: 00
> Vendor: DELL Model: PERC 5/E Adapter Rev: 1.03
> Type:   Direct-AccessANSI SCSI revision: 05
>
> Host: scsi1 Channel: 02 Id: 01 Lun: 00
> Vendor: DELL Model: PERC 5/E Adapter Rev: 1.03
> Type:   Direct-AccessANSI SCSI revision: 05
>
>
> ## pretty sure this is the tape drive
>
> Host: scsi2 Channel: 00 Id: 06 Lun: 00
> Vendor: IBM  Model: ULTRIUM-TD3  Rev: 6B20
> Type:   Sequential-AccessANSI SCSI revision: 03
>
>
> ## and that this is the tape changer
>
> Host: scsi2 Channel: 00 Id: 06 Lun: 01
> Vendor: DELL Model: PV-124T  Rev: 0043
> Type:   Medium Changer   ANSI SCSI revision: 02

Dan, is the changer attached to one of the PERC controllers (which I 
believe are RAID controllers)?

If so, the note in the above mentioned Dell doc (SCSI Bus Requirements) 
  may be the answer:

"NOTE: The autoloader may not work with multiple SCSI LUNS when attached 
to a redundant array of independent disks (RAID) controller. The 
autoloader is not recommended for use with a RAID controller. If this 
problem occurs, it is recommended that the autoloader be attached to a 
separate SCSI bus controller on the server."

"

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Re: [Bacula-users] Can't find the tape changer

[Alex Chekholko]

On Tue, 19 Jan 2010 09:56:16 -0500
Dan Langille  wrote:

> Henry Yen wrote:
> > On Mon, Jan 18, 2010 at 09:17:51AM -0500, Dan Langille wrote:
> > 
> >>> ]# mtx -f /dev/sg6 status
> >>> mtx: Request Sense: Long Report=yes
> >>> mtx: Request Sense: Valid Residual=no
> >>> mtx: Request Sense: Error Code=0 (Unknown?!)
> >>> mtx: Request Sense: Sense Key=No Sense
> >>> mtx: Request Sense: FileMark=no
> >>> mtx: Request Sense: EOM=no
> >>> mtx: Request Sense: ILI=no
> >>> mtx: Request Sense: Additional Sense Code = 00
> >>> mtx: Request Sense: Additional Sense Qualifier = 00
> >>> mtx: Request Sense: BPV=no
> >>> mtx: Request Sense: Error in CDB=no
> >>> mtx: Request Sense: SKSV=no
> >>> READ ELEMENT STATUS Command Failed
> > 
> > Does the failure remain after retrying after a minute or two?  I've used
> > some changers that tended to throw errors like the above for the first
> > half-a-minute or so following a reset.  Waiting a minute was required
> > for the changer to settle back to normal.
> 
> No.  Here is the status first thing this morning:
> # mtx -f /dev/sg6 status
> mtx: Request Sense: Long Report=yes
> mtx: Request Sense: Valid Residual=no
> mtx: Request Sense: Error Code=0 (Unknown?!)
> mtx: Request Sense: Sense Key=No Sense
> mtx: Request Sense: FileMark=no
> mtx: Request Sense: EOM=no
> mtx: Request Sense: ILI=no
> mtx: Request Sense: Additional Sense Code = 00
> mtx: Request Sense: Additional Sense Qualifier = 00
> mtx: Request Sense: BPV=no
> mtx: Request Sense: Error in CDB=no
> mtx: Request Sense: SKSV=no
> READ ELEMENT STATUS Command Failed

How about "tapeinfo"?

# tapeinfo -f /dev/sg10
Product Type: Medium Changer
Vendor ID: 'IBM '
Product ID: '3576-MTL'
Revision: '570G'
Attached Changer: No
SerialNumber: '01312306_LLA'
SCSI ID: 2
SCSI LUN: 1
Ready: yes


-- 
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Re: [Bacula-users] Can't find the tape changer

[Dan Langille]

ganiuszka wrote:
> Here is a instruction about Dell PowerVault 124T and LUNs under Linux.
> 
> http://support.dell.com/support/edocs/stor-sys/124t/en/124tvs16/install.html#enabling_lun_linux
> 
> Subject "Enabling LUN Support in Linux"
> 
> Maybe this is the solution.

This is what I see now (output slightly altered to make it easier to read):

# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 08 Lun: 00
   Vendor: DP   Model: BACKPLANERev: 1.05
   Type:   EnclosureANSI SCSI revision: 05

Host: scsi0 Channel: 02 Id: 00 Lun: 00
   Vendor: DELL Model: PERC 5/i Rev: 1.03
   Type:   Direct-AccessANSI SCSI revision: 05

Host: scsi1 Channel: 00 Id: 17 Lun: 00
   Vendor: DELL Model: MD1000   Rev: A.03
   Type:   EnclosureANSI SCSI revision: 05

Host: scsi1 Channel: 02 Id: 00 Lun: 00
   Vendor: DELL Model: PERC 5/E Adapter Rev: 1.03
   Type:   Direct-AccessANSI SCSI revision: 05

Host: scsi1 Channel: 02 Id: 01 Lun: 00
   Vendor: DELL Model: PERC 5/E Adapter Rev: 1.03
   Type:   Direct-AccessANSI SCSI revision: 05


## pretty sure this is the tape drive

Host: scsi2 Channel: 00 Id: 06 Lun: 00
   Vendor: IBM  Model: ULTRIUM-TD3  Rev: 6B20
   Type:   Sequential-AccessANSI SCSI revision: 03


## and that this is the tape changer

Host: scsi2 Channel: 00 Id: 06 Lun: 01
   Vendor: DELL Model: PV-124T  Rev: 0043
   Type:   Medium Changer   ANSI SCSI revision: 02



Is the above consistent with that I see in dmesg:


scsi2 : ioc0: LSI53C1030, FwRev=01032700h, Ports=1, MaxQ=255, IRQ=169
   Vendor: IBM   Model: ULTRIUM-TD3   Rev: 6B20
   Type:   Sequential-Access  ANSI SCSI revision: 03
   Vendor: DELL  Model: PV-124T   Rev: 0043
   Type:   Medium Changer ANSI SCSI revision: 02

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Re: [Bacula-users] Can't find the tape changer

[ganiuszka]

Here is a instruction about Dell PowerVault 124T and LUNs under Linux.

http://support.dell.com/support/edocs/stor-sys/124t/en/124tvs16/install.html#enabling_lun_linux

Subject "Enabling LUN Support in Linux"

Maybe this is the solution.

Regards.
Marcin
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Re: [Bacula-users] Can't find the tape changer

[Dan Langille]

Robert Hartzell wrote:
> On 01/18/10 07:17 PM, Dan Langille wrote:
>> Dan Langille wrote:
>>> I'm helping a client with a Linux system.  I see the tape drive, but
>>> cannot find the tape changer.  Clues please.
>>>
>>>   From dmesg:
>> Also:
>>
>> Linux version 2.6.9-78.0.8.plus.c4smp (mockbu...@builder10.centos.org)
>> (gcc version 3.4.6 20060404 (Red Hat 3.4.6-10)) #1 SMP Thu Nov 27
>> 19:19:34 EST 2008
>>
>> And there is no /dev/changer*
>>
> 
> Dan,
> Don't know if this will be of any help but on a friends Fedora 12 system 
> I just set bacula up on the changer is target 6 lun 1 and the drive is 
> target 6 lun 0
> 
> [r...@stor data.spool]# lsscsi -g
> [0:0:1:0]cd/dvd  HL-DT-ST DVD-RAM GH22LP20 1.00  /dev/sr0   /dev/sg0
> [2:0:0:0]diskATA  WDC WD5000AACS-0 05.0  /dev/sda   /dev/sg1
> [3:0:0:0]diskATA  WDC WD5000AADS-0 01.0  /dev/sdb   /dev/sg2
> [4:0:6:0]tapeCOMPAQ   TSL-15.10  /dev/st0   /dev/sg3
> [4:0:6:1]mediumx COMPAQ   TSL-15.10  /dev/sch0  /dev/sg4
> 
> [r...@stor data.spool]# ls -l /dev | grep sg
> drwxr-xr-x. 2 root root 140 2010-01-18 14:38 bsg
> lrwxrwxrwx. 1 root root   3 2010-01-18 14:39 changer -> sg4
> lrwxrwxrwx. 1 root root   3 2010-01-18 14:39 changer-sg4 -> sg4
> crw-rw. 1 root root  1,  11 2010-01-18 14:38 kmsg
> crw-rw. 1 root cdrom21,   0 2010-01-18 14:38 sg0
> crw-rw. 1 root disk 21,   1 2010-01-18 14:38 sg1
> crw-rw. 1 root disk 21,   2 2010-01-18 14:38 sg2
> crw-rw. 1 root tape 21,   3 2010-01-18 14:38 sg3
> crw-rw. 1 root tape 21,   4 2010-01-18 14:38 sg4
> 
> [r...@stor data.spool]# mtx -f /dev/sg4 status
>Storage Changer /dev/sg4:1 Drives, 8 Slots ( 0 Import/Export )
> Data Transfer Element 0:Full (Storage Element 1 Loaded):VolumeTag = 
> 
>Storage Element 1:Empty
>Storage Element 2:Full
>Storage Element 3:Full
>Storage Element 4:Full
>Storage Element 5:Full
>Storage Element 6:Full
>Storage Element 7:Full
>Storage Element 8:Full
> 
> /dev/nst0 is the tape drive which is busy at the moment so I cant show 
> status.

Bugger.  I get none of the above:

# lsscsi -g
-bash: lsscsi: command not found
# ls -l /dev | grep sg
crw---  1 root root  36,  14 Jan 14 17:23 dnrtmsg
crw---  1 root root   1,  11 Jan 14 17:23 kmsg
crw-rw  1 root disk  21,   0 Jan 14 23:23 sg0
crw-rw  1 root disk  21,   1 Jan 14 23:23 sg1
crw-rw  1 root disk  21,   2 Jan 14 23:23 sg2
crw-rw  1 root disk  21,   3 Jan 14 23:23 sg3
crw-rw  1 root disk  21,   4 Jan 14 23:23 sg4
crw-rw  1 root disk  21,   5 Jan 14 23:23 sg5
crw-rw  1 root disk  21,   6 Jan 14 23:23 sg6

Linux version 2.6.9-78.0.8.plus.c4smp (mockbu...@builder10.centos.org) 
(gcc version 3.4.6 20060404 (Red Hat 3.4.6-10)) #1 SMP Thu Nov 27 
19:19:34 EST 2008

*sigh*

I'd like to help these people out, but well, there *seems* to be a 
hardware issue.  Their admin, now departed, claims backups to tape were 
working.  Backups to disk are working, but not tape.  Nothing in 
bacula-sd.conf refers to any tape drive.  Nothing in the command history 
refers to the tape drive.

They have 8x400GB volumes on disk and they're out of space.

Mysteries.

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Re: [Bacula-users] Can't find the tape changer

[Dan Langille]

Henry Yen wrote:
> On Mon, Jan 18, 2010 at 09:17:51AM -0500, Dan Langille wrote:
> 
>>> ]# mtx -f /dev/sg6 status
>>> mtx: Request Sense: Long Report=yes
>>> mtx: Request Sense: Valid Residual=no
>>> mtx: Request Sense: Error Code=0 (Unknown?!)
>>> mtx: Request Sense: Sense Key=No Sense
>>> mtx: Request Sense: FileMark=no
>>> mtx: Request Sense: EOM=no
>>> mtx: Request Sense: ILI=no
>>> mtx: Request Sense: Additional Sense Code = 00
>>> mtx: Request Sense: Additional Sense Qualifier = 00
>>> mtx: Request Sense: BPV=no
>>> mtx: Request Sense: Error in CDB=no
>>> mtx: Request Sense: SKSV=no
>>> READ ELEMENT STATUS Command Failed
> 
> Does the failure remain after retrying after a minute or two?  I've used
> some changers that tended to throw errors like the above for the first
> half-a-minute or so following a reset.  Waiting a minute was required
> for the changer to settle back to normal.

No.  Here is the status first thing this morning:
# mtx -f /dev/sg6 status
mtx: Request Sense: Long Report=yes
mtx: Request Sense: Valid Residual=no
mtx: Request Sense: Error Code=0 (Unknown?!)
mtx: Request Sense: Sense Key=No Sense
mtx: Request Sense: FileMark=no
mtx: Request Sense: EOM=no
mtx: Request Sense: ILI=no
mtx: Request Sense: Additional Sense Code = 00
mtx: Request Sense: Additional Sense Qualifier = 00
mtx: Request Sense: BPV=no
mtx: Request Sense: Error in CDB=no
mtx: Request Sense: SKSV=no
READ ELEMENT STATUS Command Failed


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Re: [Bacula-users] Can't find the tape changer

[Philippe Michel]

> Does the failure remain after retrying after a minute or two?  I've used
> some changers that tended to throw errors like the above for the first
> half-a-minute or so following a reset.

Make that easily 5 or 10 minutes if the library somehow has to inventory 
its content, because a tape magazine has been extracted and reinserted 
for instance.

I have the very same library on a centos host (Dan's guess regarding the 
changer device name looks right). They are awfully slow when it comes to 
moving tapes. If it has to bring a number of them in front of its 
barcode reader, you'll have to wait before a "mtx status" or "update 
slots" works.



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Re: [Bacula-users] Can't find the tape changer

[Henry Yen]

On Mon, Jan 18, 2010 at 09:17:51AM -0500, Dan Langille wrote:

> > ]# mtx -f /dev/sg6 status
> > mtx: Request Sense: Long Report=yes
> > mtx: Request Sense: Valid Residual=no
> > mtx: Request Sense: Error Code=0 (Unknown?!)
> > mtx: Request Sense: Sense Key=No Sense
> > mtx: Request Sense: FileMark=no
> > mtx: Request Sense: EOM=no
> > mtx: Request Sense: ILI=no
> > mtx: Request Sense: Additional Sense Code = 00
> > mtx: Request Sense: Additional Sense Qualifier = 00
> > mtx: Request Sense: BPV=no
> > mtx: Request Sense: Error in CDB=no
> > mtx: Request Sense: SKSV=no
> > READ ELEMENT STATUS Command Failed

Does the failure remain after retrying after a minute or two?  I've used
some changers that tended to throw errors like the above for the first
half-a-minute or so following a reset.  Waiting a minute was required
for the changer to settle back to normal.

-- 
Henry Yen   Aegis Information Systems, Inc.
Senior Systems Programmer   Hicksville, New York

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Re: [Bacula-users] Can't find the tape changer

[Richard Scobie]

Dan Langille wrote:
> Dan Langille wrote:
> 
>>I'm helping a client with a Linux system.  I see the tape drive, but 
>>cannot find the tape changer.  Clues please.
>>
>> From dmesg:
> 
> 
> Also:
> 
> Linux version 2.6.9-78.0.8.plus.c4smp (mockbu...@builder10.centos.org) 
> (gcc version 3.4.6 20060404 (Red Hat 3.4.6-10)) #1 SMP Thu Nov 27 
> 19:19:34 EST 2008
> 
> And there is no /dev/changer*

/dev/sg6 should be it from what you have shown.

I have an HP attached here:

Host: scsi10 Channel: 00 Id: 04 Lun: 00
   Vendor: HP   Model: Ultrium 4-SCSI   Rev: B56W
   Type:   Sequential-AccessANSI  SCSI revision: 05
Host: scsi10 Channel: 00 Id: 04 Lun: 01
   Vendor: HP   Model: MSL G3 SeriesRev: 4.70
   Type:   Medium Changer   ANSI  SCSI revision: 05

ioc0: LSI53C1020A A1: Capabilities={Initiator,Target}
   alloc irq_desc for 37 on node -1
   alloc kstat_irqs on node -1
mptspi :03:08.0: irq 37 for MSI/MSI-X
mptbase: ioc0: PCI-MSI enabled
scsi10 : ioc0: LSI53C1020A A1, FwRev=01032700h, Ports=1, MaxQ=255, IRQ=37
ALSA sound/pci/hda/hda_intel.c:698: azx_get_response timeout, switching 
to polling mode: last cmd=0x002f0d00
scsi: waiting for bus probes to complete ...
scsi 10:0:4:0: Sequential-Access HP   Ultrium 4-SCSI   B56W PQ: 0 
ANSI: 5
scsi target10:0:4: Beginning Domain Validation
scsi target10:0:4: Ending Domain Validation
scsi target10:0:4: FAST-160 WIDE SCSI 320.0 MB/s DT IU RTI PCOMP (6.25 
ns, offset 64)
scsi 10:0:4:1: Medium ChangerHP   MSL G3 Series4.70 PQ: 0 
ANSI: 5
scsi 10:0:4:0: Attached scsi generic sg10 type 1
scsi 10:0:4:1: Attached scsi generic sg11 type 8
SCSI Media Changer driver v0.25
ch0: type #1 (mt): 0x0+1 [medium transport]
ch0: type #2 (st): 0x3e9+24 [storage]
ch0: type #3 (ie): 0x0+0 [import/export]
ch0: type #4 (dt): 0x1+1 [data transfer]
st: Version 20081215, fixed bufsize 32768, s/g segs 256
ch0: dt 0x1: ID 4, LUN 0, name: HP   Ultrium 4-SCSI   B56W
ch0: INITIALIZE ELEMENT STATUS, may take some time ...

Drive is /dev/nst0 and changer is /dev/sg11.

Regards,

Richard


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Re: [Bacula-users] Can't find the tape changer

[Robert Hartzell]

On 01/18/10 07:17 PM, Dan Langille wrote:
> Dan Langille wrote:
>> I'm helping a client with a Linux system.  I see the tape drive, but
>> cannot find the tape changer.  Clues please.
>>
>>   From dmesg:
>
> Also:
>
> Linux version 2.6.9-78.0.8.plus.c4smp (mockbu...@builder10.centos.org)
> (gcc version 3.4.6 20060404 (Red Hat 3.4.6-10)) #1 SMP Thu Nov 27
> 19:19:34 EST 2008
>
> And there is no /dev/changer*
>

Dan,
Don't know if this will be of any help but on a friends Fedora 12 system 
I just set bacula up on the changer is target 6 lun 1 and the drive is 
target 6 lun 0

[r...@stor data.spool]# lsscsi -g
[0:0:1:0]cd/dvd  HL-DT-ST DVD-RAM GH22LP20 1.00  /dev/sr0   /dev/sg0
[2:0:0:0]diskATA  WDC WD5000AACS-0 05.0  /dev/sda   /dev/sg1
[3:0:0:0]diskATA  WDC WD5000AADS-0 01.0  /dev/sdb   /dev/sg2
[4:0:6:0]tapeCOMPAQ   TSL-15.10  /dev/st0   /dev/sg3
[4:0:6:1]mediumx COMPAQ   TSL-15.10  /dev/sch0  /dev/sg4

[r...@stor data.spool]# ls -l /dev | grep sg
drwxr-xr-x. 2 root root 140 2010-01-18 14:38 bsg
lrwxrwxrwx. 1 root root   3 2010-01-18 14:39 changer -> sg4
lrwxrwxrwx. 1 root root   3 2010-01-18 14:39 changer-sg4 -> sg4
crw-rw. 1 root root  1,  11 2010-01-18 14:38 kmsg
crw-rw. 1 root cdrom21,   0 2010-01-18 14:38 sg0
crw-rw. 1 root disk 21,   1 2010-01-18 14:38 sg1
crw-rw. 1 root disk 21,   2 2010-01-18 14:38 sg2
crw-rw. 1 root tape 21,   3 2010-01-18 14:38 sg3
crw-rw. 1 root tape 21,   4 2010-01-18 14:38 sg4

[r...@stor data.spool]# mtx -f /dev/sg4 status
   Storage Changer /dev/sg4:1 Drives, 8 Slots ( 0 Import/Export )
Data Transfer Element 0:Full (Storage Element 1 Loaded):VolumeTag = 

   Storage Element 1:Empty
   Storage Element 2:Full
   Storage Element 3:Full
   Storage Element 4:Full
   Storage Element 5:Full
   Storage Element 6:Full
   Storage Element 7:Full
   Storage Element 8:Full

/dev/nst0 is the tape drive which is busy at the moment so I cant show 
status.

-- 
   Robert W Hartzell
bear at rwhartzell.net
   RwHartzell.Net

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Re: [Bacula-users] Can't find the tape changer

[Dan Langille]

Dan Langille wrote:
> I'm helping a client with a Linux system.  I see the tape drive, but 
> cannot find the tape changer.  Clues please.
> 
>  From dmesg:

Also:

Linux version 2.6.9-78.0.8.plus.c4smp (mockbu...@builder10.centos.org) 
(gcc version 3.4.6 20060404 (Red Hat 3.4.6-10)) #1 SMP Thu Nov 27 
19:19:34 EST 2008

And there is no /dev/changer*

> 
> scsi2 : ioc0: LSI53C1030, FwRev=01032700h, Ports=1, MaxQ=255, IRQ=169
>Vendor: IBM   Model: ULTRIUM-TD3   Rev: 6B20
>Type:   Sequential-Access  ANSI SCSI revision: 03
>Vendor: DELL  Model: PV-124T   Rev: 0043
>Type:   Medium Changer ANSI SCSI revision: 02
> st: Version 20040403, fixed bufsize 32768, s/g segs 256
> Attached scsi tape st0 at scsi2, channel 0, id 6, lun 0
> st0: try direct i/o: yes (alignment 512 B), max page reachable by HBA 
> 4503599627370495
> Attached scsi generic sg0 at scsi0, channel 0, id 8, lun 0,  type 13
> Attached scsi generic sg1 at scsi0, channel 2, id 0, lun 0,  type 0
> Attached scsi generic sg2 at scsi1, channel 0, id 17, lun 0,  type 13
> Attached scsi generic sg3 at scsi1, channel 2, id 0, lun 0,  type 0
> Attached scsi generic sg4 at scsi1, channel 2, id 1, lun 0,  type 0
> Attached scsi generic sg5 at scsi2, channel 0, id 6, lun 0,  type 1
> Attached scsi generic sg6 at scsi2, channel 0, id 6, lun 1,  type 8
> 
> 
> cat /proc/scsi/scsi includes this:
> 
> Host: scsi2 Channel: 00 Id: 06 Lun: 01
>Vendor: DELL Model: PV-124T  Rev: 0043
>Type:   Medium Changer   ANSI SCSI revision: 02
> 
> The above makes me think sg6 is the changer... but no luck:
> 
>  From mtx and mt:
> 
> # mtx -f /dev/sg6 inquiry
> Product Type: Medium Changer
> Vendor ID: 'DELL'
> Product ID: 'PV-124T '
> Revision: '0043'
> Attached Changer: No
> 
> # mt -f /dev/st0 status
> SCSI 2 tape drive:
> File number=0, block number=0, partition=0.
> Tape block size 0 bytes. Density code 0x44 (no translation).
> Soft error count since last status=0
> General status bits on (4101):
>   BOT ONLINE IM_REP_EN
> 
> 
> ]# mtx -f /dev/sg6 status
> mtx: Request Sense: Long Report=yes
> mtx: Request Sense: Valid Residual=no
> mtx: Request Sense: Error Code=0 (Unknown?!)
> mtx: Request Sense: Sense Key=No Sense
> mtx: Request Sense: FileMark=no
> mtx: Request Sense: EOM=no
> mtx: Request Sense: ILI=no
> mtx: Request Sense: Additional Sense Code = 00
> mtx: Request Sense: Additional Sense Qualifier = 00
> mtx: Request Sense: BPV=no
> mtx: Request Sense: Error in CDB=no
> mtx: Request Sense: SKSV=no
> READ ELEMENT STATUS Command Failed


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Re: [Bacula-users] Can't find the tape changer

[Dan Langille]

Timo Neuvonen wrote:
> "Dan Langille"  kirjoitti viestissä 
> news:4b54c50e.60...@langille.org...
>> I'm helping a client with a Linux system.  I see the tape drive, but
>> cannot find the tape changer.  Clues please.
>>
>> From dmesg:
> 
>> Attached scsi generic sg5 at scsi2, channel 0, id 6, lun 0,  type 1
>> Attached scsi generic sg6 at scsi2, channel 0, id 6, lun 1,  type 8
>>
> 
> Just a wild guess, but are the drive and the changer a single physical 
> device with only one interface and scsi address setting? Or can you somehow 
> set the id separately for them? Now both have id=6, might it help if you 
> could change either of them?

Nice catch.

Sorry, I don't know anything about the physical unit.  I'm told it's a 
Dell PowerVault PV-124T and the mtx output supports that claim.

But they are different LUNs, which should be fine AFAIK.

> 
>> cat /proc/scsi/scsi includes this:
>>
>> Host: scsi2 Channel: 00 Id: 06 Lun: 01
>>   Vendor: DELL Model: PV-124T  Rev: 0043
>>   Type:   Medium Changer   ANSI SCSI revision: 02
>>
>> The above makes me think sg6 is the changer... but no luck:
>>
>> From mtx and mt:
>>
>> # mtx -f /dev/sg6 inquiry
>> Product Type: Medium Changer
>> Vendor ID: 'DELL'
>> Product ID: 'PV-124T '
>> Revision: '0043'
>> Attached Changer: No
>>
>> # mt -f /dev/st0 status
>> SCSI 2 tape drive:
>> File number=0, block number=0, partition=0.
>> Tape block size 0 bytes. Density code 0x44 (no translation).
>> Soft error count since last status=0
>> General status bits on (4101):
>>  BOT ONLINE IM_REP_EN
>>
>>
>> ]# mtx -f /dev/sg6 status
>> mtx: Request Sense: Long Report=yes
>> mtx: Request Sense: Valid Residual=no
>> mtx: Request Sense: Error Code=0 (Unknown?!)
>> mtx: Request Sense: Sense Key=No Sense
>> mtx: Request Sense: FileMark=no
>> mtx: Request Sense: EOM=no
>> mtx: Request Sense: ILI=no
>> mtx: Request Sense: Additional Sense Code = 00
>> mtx: Request Sense: Additional Sense Qualifier = 00
>> mtx: Request Sense: BPV=no
>> mtx: Request Sense: Error in CDB=no
>> mtx: Request Sense: SKSV=no
>> READ ELEMENT STATUS Command Failed


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Re: [Bacula-users] Can't find the tape changer

[Timo Neuvonen]

"Dan Langille"  kirjoitti viestissä 
news:4b54c50e.60...@langille.org...
> I'm helping a client with a Linux system.  I see the tape drive, but
> cannot find the tape changer.  Clues please.
>
> From dmesg:

> Attached scsi generic sg5 at scsi2, channel 0, id 6, lun 0,  type 1
> Attached scsi generic sg6 at scsi2, channel 0, id 6, lun 1,  type 8
>

Just a wild guess, but are the drive and the changer a single physical 
device with only one interface and scsi address setting? Or can you somehow 
set the id separately for them? Now both have id=6, might it help if you 
could change either of them?

>
> cat /proc/scsi/scsi includes this:
>
> Host: scsi2 Channel: 00 Id: 06 Lun: 01
>   Vendor: DELL Model: PV-124T  Rev: 0043
>   Type:   Medium Changer   ANSI SCSI revision: 02
>
> The above makes me think sg6 is the changer... but no luck:
>
> From mtx and mt:
>
> # mtx -f /dev/sg6 inquiry
> Product Type: Medium Changer
> Vendor ID: 'DELL'
> Product ID: 'PV-124T '
> Revision: '0043'
> Attached Changer: No
>
> # mt -f /dev/st0 status
> SCSI 2 tape drive:
> File number=0, block number=0, partition=0.
> Tape block size 0 bytes. Density code 0x44 (no translation).
> Soft error count since last status=0
> General status bits on (4101):
>  BOT ONLINE IM_REP_EN
>
>
> ]# mtx -f /dev/sg6 status
> mtx: Request Sense: Long Report=yes
> mtx: Request Sense: Valid Residual=no
> mtx: Request Sense: Error Code=0 (Unknown?!)
> mtx: Request Sense: Sense Key=No Sense
> mtx: Request Sense: FileMark=no
> mtx: Request Sense: EOM=no
> mtx: Request Sense: ILI=no
> mtx: Request Sense: Additional Sense Code = 00
> mtx: Request Sense: Additional Sense Qualifier = 00
> mtx: Request Sense: BPV=no
> mtx: Request Sense: Error in CDB=no
> mtx: Request Sense: SKSV=no
> READ ELEMENT STATUS Command Failed
>



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