[Bacula-users] 124t users?

2011-02-25 Thread Jeremiah D. Jester
I've been having ongoing issues with bacula and my 124t. Anyone out there 
having any problems? If not, would like to know that as well. Maybe we can 
compare storage conf files?

Thanks,JJ

Jeremiah Jester
Informatics Specialist
Microbiology - Katze Lab
206-732-6185

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Re: [Bacula-users] 124t users?

2011-02-25 Thread Steve Ellis
I've got a Dell 124T w/ an LTO3 drive (bought used for <$800 on Ebay 
last year), and so far I've had no trouble (Bacula 5.0.3 w/ Fedora 14).
I may not be a very heavy user, however, as I'm running it on a home 
network (clients are: Fedora 14, WinXP & Win7-64)--sending ~1.5TB to 
tapes in a month (fulls, differentials and incrementals).


Used a standalone LTO2 for 2 years previously with bacula.

I'll happily share my config if you think it will help.

-se

On 2/25/2011 2:26 PM, Jeremiah D. Jester wrote:


I've been having ongoing issues with bacula and my 124t. Anyone out 
there having any problems? If not, would like to know that as well. 
Maybe we can compare storage conf files?


Thanks,JJ

Jeremiah Jester
Informatics Specialist

Microbiology -- Katze Lab

206-732-6185




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Re: [Bacula-users] 124t users?

2011-02-28 Thread Jeremiah D. Jester
Steve,
I'm using a 124t w/ LT04 tapes. I would appreciate if I could see your conf 
files for comparison.
Gracias,
JJ

Jeremiah Jester
Informatics Specialist
Microbiology - Katze Lab
206-732-6185

From: Steve Ellis [mailto:el...@brouhaha.com]
Sent: Friday, February 25, 2011 4:31 PM
To: bacula-users@lists.sourceforge.net
Subject: Re: [Bacula-users] 124t users?

I've got a Dell 124T w/ an LTO3 drive (bought used for <$800 on Ebay last 
year), and so far I've had no trouble (Bacula 5.0.3 w/ Fedora 14).
I may not be a very heavy user, however, as I'm running it on a home network 
(clients are: Fedora 14, WinXP & Win7-64)--sending ~1.5TB to tapes in a month 
(fulls, differentials and incrementals).

Used a standalone LTO2 for 2 years previously with bacula.

I'll happily share my config if you think it will help.

-se

On 2/25/2011 2:26 PM, Jeremiah D. Jester wrote:
I've been having ongoing issues with bacula and my 124t. Anyone out there 
having any problems? If not, would like to know that as well. Maybe we can 
compare storage conf files?

Thanks,JJ

Jeremiah Jester
Informatics Specialist
Microbiology - Katze Lab
206-732-6185


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Re: [Bacula-users] 124t users?

2011-02-28 Thread Rory Campbell-Lange
I'm interested to know about configs on the PV 124T too. I've got an
LTO4 Quantum drive.

clwbackup:/home/it# tapeinfo -f /dev/sg3
Product Type: Tape Drive
Vendor ID: 'QUANTUM '
Product ID: 'ULTRIUM 4   '
Revision: '2210'
Attached Changer API: No
SerialNumber: 'JN0823AMJ50251'
MinBlock: 1
MaxBlock: 16777215
SCSI ID: 0
SCSI LUN: 0
Ready: yes
BufferedMode: yes
Medium Type: Not Loaded
Density Code: 0x46
BlockSize: 0
DataCompEnabled: yes
DataCompCapable: yes
DataDeCompEnabled: yes
CompType: 0x1
DeCompType: 0x1
Block Position: 506999
Partition 0 Remaining Kbytes: 0
Partition 0 Size in Kbytes: 853060
ActivePartition: 0
EarlyWarningSize: 0

Excerpt from bacula-sd.conf

Autochanger {
  Name = PV-124T
  Device = LTO4-Drive1
  Changer Command = "/etc/bacula/scripts/mtx-changer %c %o %S %a %d"
  Changer Device = /dev/sg4
}

Device {
  Name = LTO4-Drive1
  Drive Index = 0
  Media Type = LTO4
  Archive Device = /dev/nst0
  AutomaticMount = yes;  # when device opened, read it
  AlwaysOpen = yes;
  RemovableMedia = yes;
  RandomAccess = no;
  AutoChanger = yes
  Maximum File Size = 5G
  # Maximum Spool Size = 260G
  # Maximum Job Spool Size = 100G # will need this is there are concurrent 
jobs
  Spool Directory = /tapehold
  Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
}



On 28/02/11, Jeremiah D. Jester (jj...@u.washington.edu) wrote:
> I'm using a 124t w/ LT04 tapes. I would appreciate if I could see your
> conf files for comparison.


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Re: [Bacula-users] 124t users?

2011-02-28 Thread Steve Ellis
On 2/28/2011 9:37 AM, Jeremiah D. Jester wrote:
> 
> Steve,
> I’m using a 124t w/ LT04 tapes. I would appreciate if I could see your conf 
> files for comparison.
> Gracias,
> JJ
>  
> Jeremiah Jester
> Informatics Specialist
> Microbiology – Katze Lab
> 206-732-6185
>  
> 
Tapeinfo output for the LTO3 drive & Dell 124T:
# tapeinfo -f /dev/sg1
Product Type: Tape Drive
Vendor ID: 'IBM '
Product ID: 'ULTRIUM-TD3 '
Revision: '6B20'
Attached Changer API: No
SerialNumber: '1210250007'
MinBlock: 1
MaxBlock: 16777215
SCSI ID: 6
SCSI LUN: 0
Ready: yes
BufferedMode: yes
Medium Type: 0x28
Density Code: 0x42
BlockSize: 0
DataCompEnabled: yes
DataCompCapable: yes
DataDeCompEnabled: yes
CompType: 0x1
DeCompType: 0x1
Block Position: 236
Partition 0 Remaining Kbytes: -1
Partition 0 Size in Kbytes: -1
ActivePartition: 0
EarlyWarningSize: 0
# tapeinfo -f /dev/sg2
Product Type: Medium Changer
Vendor ID: 'DELL'
Product ID: 'PV-124T '
Revision: '0053'
Attached Changer API: No
SerialNumber: 'CH7CB35779'
SCSI ID: 6
SCSI LUN: 1
Ready: yes

bacula-sd.conf autochanger & tape device sections (the buffer size & block size 
items are left over from some time back--may not be optimal or even helpful 
anymore):
Autochanger {
  Name = "LTO3-changer"
  Device = "LTO3"
  Changer Device = /dev/sg2
  Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d"
}
Device {
  Name = LTO3
  Media Type = LTO3
  Archive Device = /dev/nst0
  Autochanger = Yes
  Drive Index = 0
  Automatic Mount = Yes
  Always Open = Yes
#  Volume Poll Interval = 3 min
#  Close On Poll = Yes
# Offline On Unmount = Yes
  Removable Media = Yes
  Random Access = No
  Maximum Job Spool Size = 50G
  Maximum Block Size = 262144
  Maximum Network Buffer Size = 262144
  Maximum File Size = 5G
  Spool Directory = /backup/spool
  Alert Command = "sh -c 'smartctl -H -l error /dev/sg1'"
}

-se
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Re: [Bacula-users] 124t users?

2011-02-28 Thread Rory Campbell-Lange
On 28/02/11, Jeremiah D. Jester (jj...@u.washington.edu) wrote:
> We are considering switching to a different backup solution. Our
> problems seem similar, not fun.

Well, my problem is specifically a tape drive problem.
Have you tested your drive?

# mt -f /dev/nst0 rewind
# dd if=/dev/nst0 of=/dev/null bs=64512
83220+0 records in
83220+0 records out
5368688640 bytes (5.4 GB) copied, 90.3682 s, 59.4 MB/s
# dd if=/dev/nst0 of=/dev/null bs=64512
dd: reading `/dev/nst0': Input/output error
44630+0 records in
44630+0 records out
2879170560 bytes (2.9 GB) copied, 171.517 s, 16.8 MB/s

# kernel log
Feb 28 20:39:59 kernel: [15534.935073] st0: Sense Key : Medium Error [current]
Feb 28 20:39:59 kernel: [15534.935079] Info fld=0xfc00
Feb 28 20:39:59 kernel: [15534.935080] st0: Add. Sense: Unrecovered read error

# tapeinfo -f /dev/sg3
Product Type: Tape Drive
Vendor ID: 'QUANTUM '
Product ID: 'ULTRIUM 4   '
Revision: '2210'
Attached Changer API: No
SerialNumber: 'JN0823AMJ50251'

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Re: [Bacula-users] 124t users?

2011-02-28 Thread Jeremiah D. Jester
Here's my output..

#test write.
[root@scrappy bacula]# mt -f /dev/nst0 rewind
[root@scrappy bacula]# mt -f /dev/nst0 weof
[root@scrappy bacula]# dd if=/dev/nst0 of=/dev/null bs=64512
dd: reading `/dev/nst0': Input/output error
0+0 records in
0+0 records out
0 bytes (0 B) copied, 5.39927 seconds, 0.0 kB/s

#/var/log/messages
Feb 28 14:17:46 scrappy kernel: st0: Failed to read 65532 byte block with 64512 
byte transfer.


[root@scrappy bacula]# tapeinfo -f /dev/sg2
Product Type: Medium Changer
Vendor ID: 'DELL'
Product ID: 'PV-124T '
Revision: '0080'
Attached Changer: No
SerialNumber: 'CK8LCS5413'
SCSI ID: 0
SCSI LUN: 1
Ready: yes

Jeremiah Jester
Informatics Specialist
Microbiology - Katze Lab
206-732-6185


-Original Message-
From: Rory Campbell-Lange [mailto:r...@campbell-lange.net] 
Sent: Monday, February 28, 2011 2:10 PM
To: Jeremiah D. Jester
Cc: bacula-users@lists.sourceforge.net
Subject: Re: [Bacula-users] 124t users?

On 28/02/11, Jeremiah D. Jester (jj...@u.washington.edu) wrote:
> We are considering switching to a different backup solution. Our 
> problems seem similar, not fun.

Well, my problem is specifically a tape drive problem.
Have you tested your drive?

# mt -f /dev/nst0 rewind
# dd if=/dev/nst0 of=/dev/null bs=64512
83220+0 records in
83220+0 records out
5368688640 bytes (5.4 GB) copied, 90.3682 s, 59.4 MB/s # dd if=/dev/nst0 
of=/dev/null bs=64512
dd: reading `/dev/nst0': Input/output error
44630+0 records in
44630+0 records out
2879170560 bytes (2.9 GB) copied, 171.517 s, 16.8 MB/s

# kernel log
Feb 28 20:39:59 kernel: [15534.935073] st0: Sense Key : Medium Error [current] 
Feb 28 20:39:59 kernel: [15534.935079] Info fld=0xfc00 Feb 28 20:39:59 kernel: 
[15534.935080] st0: Add. Sense: Unrecovered read error

# tapeinfo -f /dev/sg3
Product Type: Tape Drive
Vendor ID: 'QUANTUM '
Product ID: 'ULTRIUM 4   '
Revision: '2210'
Attached Changer API: No
SerialNumber: 'JN0823AMJ50251'

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Re: [Bacula-users] 124t users?

2011-02-28 Thread John Drescher
On Mon, Feb 28, 2011 at 5:22 PM, Jeremiah D. Jester
 wrote:
> Here's my output..
>
> #test write.
> [root@scrappy bacula]# mt -f /dev/nst0 rewind
> [root@scrappy bacula]# mt -f /dev/nst0 weof
> [root@scrappy bacula]# dd if=/dev/nst0 of=/dev/null bs=64512
> dd: reading `/dev/nst0': Input/output error
> 0+0 records in
> 0+0 records out
> 0 bytes (0 B) copied, 5.39927 seconds, 0.0 kB/s
>
> #/var/log/messages
> Feb 28 14:17:46 scrappy kernel: st0: Failed to read 65532 byte block with 
> 64512 byte transfer.
>
You will have to increase the block size since your tape was written
with a larger block size.

John

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Re: [Bacula-users] 124t users?

2011-02-28 Thread John Drescher
On Mon, Feb 28, 2011 at 5:33 PM, John Drescher  wrote:
> On Mon, Feb 28, 2011 at 5:22 PM, Jeremiah D. Jester
>  wrote:
>> Here's my output..
>>
>> #test write.
>> [root@scrappy bacula]# mt -f /dev/nst0 rewind
>> [root@scrappy bacula]# mt -f /dev/nst0 weof
>> [root@scrappy bacula]# dd if=/dev/nst0 of=/dev/null bs=64512
>> dd: reading `/dev/nst0': Input/output error
>> 0+0 records in
>> 0+0 records out
>> 0 bytes (0 B) copied, 5.39927 seconds, 0.0 kB/s
>>
>> #/var/log/messages
>> Feb 28 14:17:46 scrappy kernel: st0: Failed to read 65532 byte block with 
>> 64512 byte transfer.
>>
> You will have to increase the block size since your tape was written
> with a larger block size.
>
Also this is the expected output since you did not write anything to
the tape after the weof. This was actually trying to read the tape not
write.

John

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Re: [Bacula-users] 124t users?

2011-02-28 Thread Rory Campbell-Lange
On 28/02/11, John Drescher (dresche...@gmail.com) wrote:
> On Mon, Feb 28, 2011 at 5:33 PM, John Drescher  wrote:
> > On Mon, Feb 28, 2011 at 5:22 PM, Jeremiah D. Jester
> >  wrote:
> >> Here's my output..
> >>
> >> #test write.
> >> [root@scrappy bacula]# mt -f /dev/nst0 rewind
> >> [root@scrappy bacula]# mt -f /dev/nst0 weof
> >> [root@scrappy bacula]# dd if=/dev/nst0 of=/dev/null bs=64512
> >> dd: reading `/dev/nst0': Input/output error
> >> 0+0 records in
> >> 0+0 records out
> >> 0 bytes (0 B) copied, 5.39927 seconds, 0.0 kB/s
> >>
> >> #/var/log/messages
> >> Feb 28 14:17:46 scrappy kernel: st0: Failed to read 65532 byte block with 
> >> 64512 byte transfer.
> >>
> > You will have to increase the block size since your tape was written
> > with a larger block size.
> >
> Also this is the expected output since you did not write anything to
> the tape after the weof. This was actually trying to read the tape not
> write.

John -- I'd be grateful for your comments on how best to do a dd based
read and write test for LTO3 and LTO4 tapes. This seems like a fairly
good way of narrowing down a drive or interconnect problem.

Is something like the following correct?

mt -f /dev/nst0 rewind
dd if=/dev/sd of=/dev/nst0 bs=64512 count=1 # about 300GB
mt -f /dev/nst0 rewind
dd if=/dev/nst0 of=/dev/null bs=64512 

Many thanks
Rory

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Re: [Bacula-users] 124t users?

2011-02-28 Thread John Drescher
> John -- I'd be grateful for your comments on how best to do a dd based
> read and write test for LTO3 and LTO4 tapes. This seems like a fairly
> good way of narrowing down a drive or interconnect problem.
>
> Is something like the following correct?
>
>    mt -f /dev/nst0 rewind
>    dd if=/dev/sd of=/dev/nst0 bs=64512 count=1 # about 300GB
>    mt -f /dev/nst0 rewind
>    dd if=/dev/nst0 of=/dev/null bs=64512
>

Looks fine to me. Its good that you are testing with data from a
source other than zeros so you are writing realistic data to the tape.

John

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Re: [Bacula-users] 124t users?

2011-02-28 Thread Seth Bardash
On 2/28/2011 3:50 PM, Rory Campbell-Lange wrote:
> On 28/02/11, John Drescher (dresche...@gmail.com) wrote:
>> On Mon, Feb 28, 2011 at 5:33 PM, John Drescher  wrote:
>>> On Mon, Feb 28, 2011 at 5:22 PM, Jeremiah D. Jester
>>>   wrote:
 Here's my output..

 #test write.
 [root@scrappy bacula]# mt -f /dev/nst0 rewind
 [root@scrappy bacula]# mt -f /dev/nst0 weof
 [root@scrappy bacula]# dd if=/dev/nst0 of=/dev/null bs=64512
 dd: reading `/dev/nst0': Input/output error
 0+0 records in
 0+0 records out
 0 bytes (0 B) copied, 5.39927 seconds, 0.0 kB/s

 #/var/log/messages
 Feb 28 14:17:46 scrappy kernel: st0: Failed to read 65532 byte block with 
 64512 byte transfer.

>>> You will have to increase the block size since your tape was written
>>> with a larger block size.
>>>
>> Also this is the expected output since you did not write anything to
>> the tape after the weof. This was actually trying to read the tape not
>> write.
>
> John -- I'd be grateful for your comments on how best to do a dd based
> read and write test for LTO3 and LTO4 tapes. This seems like a fairly
> good way of narrowing down a drive or interconnect problem.
>
> Is something like the following correct?
>
>  mt -f /dev/nst0 rewind
>  dd if=/dev/sd  of=/dev/nst0 bs=64512 count=1 # about 300GB
>  mt -f /dev/nst0 rewind
>  dd if=/dev/nst0 of=/dev/null bs=64512
>
> Many thanks
> Rory
>

Rory and the list,

I have been lurking here for about 2 years but this is my first
post on this list. The following is something I use but I'm sure there
are better ways to do this. I would also be willing to share .conf files
if necessary.

We have a Tandberg Magnum 224 with an IBM LTO-4 Tape Drive.
The mtx commands are all in the bacula manual.
Here is a script I use to wipe a tape before labeling.


 > cat wipe_tape
#
# Wipe all header info from a tape
#
# WARNING: IT REALLY MAKES THE TAPE BLANK
#
cd /usr/local/bacula/bin

echo -n "Enter tape slot to wipe : "

read slotnumber

echo ""
echo "Here is a list of what is in the Tape Library by slot numbers: "
echo ""
./mtx-changer /dev/sg3 list 0 /dev/nst0 0
echo ""
echo "ARE YOU SURE???"
echo ""
echo " 10 second till I start, Hit Control-C to cancel"
echo ""
echo " About to wipe tape in slot number :  $slotnumber"
sleep 11
echo ""
./mtx-changer /dev/sg3 load $slotnumber /dev/nst0 0
mt -f /dev/st0 rewind
echo "Tape loaded, rewind complete"
dd if=/dev/zero bs=32768 count=5000 of=/dev/st0
mt -f /dev/st0 rewind
echo "tape wiped, rewound, writing eof mark"
mt -f /dev/st0 weof
mt -f /dev/st0 rewind
./mtx-changer /dev/sg3 unload $slotnumber /dev/nst0 0
echo "Done"



It works but you may want to change /dev/st0 to /dev/nst0 - ??

I also have a version to wipe multiple tapes in selected slots.
I can email that if you want.

Notes for the above:

1) Bacula not running when running this script.
2) My library mechanism is /dev/sg3 yours may be different
or not present.
3) After a wipe, I start up Bacula and bconsole and run "label barcode"
to set up all the tapes in the library for the correct volume pool.

Hope this helps...

BR

Seth Bardash

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s...@integratedsolutions.org

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Re: [Bacula-users] 124t users?

2011-02-28 Thread mark . bergman
The pithy ruminations from "Jeremiah D. Jester"  on 
"[Bacula-users] 124t users?" were:

=> I've been having ongoing issues with bacula and my 124t. Anyone out there 
having any problems? If not, would like to know that as well. Maybe we can 
compare storage conf files?

I've been using Dell PowerVault 132t[1] libraries for about 5. It's not the 
same hardware, but close enough that I may be able to help. We've gone from 2x 
LTO2 (SCSI=>FC bridge) to 2xLTO3 (native FC), and use the system heavily with 
minimal issues...most of which have been:
 
 logical device identification (/dev/nst0 vrs /dev/nst1 not always 
corresponding to the
same physical drives)

 buggy Linux FC drivers (old issue, gone since Fedora Core 1 in our case)

 mechanical (very rarely a drive doesn't want to eject a tape, the picker 
gets 'stuck') 

The most frequent issues we've had have been with bacula (version 1.38.x 
through 5.0.2) --for example, sometimes it'll repeatedly want to use a volume 
that's not in the changer, despite copious use of "update slots", etc.

Mark

  [1] specific model name given to help feed the hungry, hungry search 
engines

=> 
=> Thanks,JJ
=> 
=> Jeremiah Jester
=> Informatics Specialist
=> Microbiology - Katze Lab
=> 206-732-6185
=> 


Mark Bergman  voice: 215-662-7310
mark.berg...@uphs.upenn.edu fax: 215-614-0266
System Administrator Section of Biomedical Image Analysis
Department of RadiologyUniversity of Pennsylvania
  PGP Key: https://www.rad.upenn.edu/sbia/bergman 


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