Re: [Bacula-users] current recommendations for SSD spool disk with LTO/Ultrium?

[Phil Stracchino]

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Hash: SHA256

On 12/03/14 15:10, Dimitri Maziuk wrote:
> On 12/03/2014 01:16 PM, Phil Stracchino wrote:
>> On 12/03/14 13:20, Dimitri Maziuk wrote:
> 
>>> "decent-size SSD device" -- don't make a 2.5TB spool partition 
>>> because there'll be no write leveling.
>> 
>> Why do you assume that there would be no write leveling across a
>> 2.5TB spool partition?
> 
> IRL there probably would be because you're probably not going to
> write out an entire 2.5TB LTO-6 tape at once. If you were spooling
> an entire tape, then you'd be writing an entire 2.5TB spool
> partition. Then the question is would the drive's firmware spread
> the writes over OS partition boundaries...

The drive's firmware can't spread writes across multiple devices, of
course.  You probably don't have multiple partitions on an SSD if one
of them is a 2.5TB partition ...   but let's assume you do, in fact,
have a single 10TB SSD with a 2.5TB spool partition on it.  That
partition is well above the level at which write leveling occurs, and
the SSD will level writes across the entire device without paying any
attention to what partition a particular piece of data is in.  That's
what write leveling *is*.  It makes sure all blocks of the device get
exercised as evenly as possible regardless of the pattern of data
writes at the filesystem level.

Suppose, on the other hand, that your 2.5TB spool partition is a
stripe over 5 x 512MB SSDs.  Because it's striped, spooled data is
going to be divided pretty evenly across the five devices ... each of
which is going to write-level its own writes so as to distribute write
cycles evenly across the entire media.

So, really, it's not an issue.  Either you have write leveling, or you
don't; and all modern devices do; and if you have write leveling, then
the high-level arrangement of files and filesystems and partitions
really bears very little relevance to where on the actual array of
memory cells that data physically gets written any specific time.  The
drive's firmware keeps track of that so that you don't have to.


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Re: [Bacula-users] current recommendations for SSD spool disk with LTO/Ultrium?

[Dimitri Maziuk]

On 12/03/2014 01:16 PM, Phil Stracchino wrote:
> On 12/03/14 13:20, Dimitri Maziuk wrote:

>> "decent-size SSD device" -- don't make a 2.5TB spool partition
>> because there'll be no write leveling.
> 
> Why do you assume that there would be no write leveling across a 2.5TB
> spool partition?

IRL there probably would be because you're probably not going to write
out an entire 2.5TB LTO-6 tape at once. If you were spooling an entire
tape, then you'd be writing an entire 2.5TB spool partition. Then the
question is would the drive's firmware spread the writes over OS
partition boundaries...

-- 
Dimitri Maziuk
Programmer/sysadmin
BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu



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[Bacula-users] spool disk filesystem, checksums

[Daniel Pocock]

Does Bacula checksum content on the spool disk before sending it to tape?

To be more explicit, if there is a single bit error on the spool disk,
will it be noticed before going onto tape or would it only be noticed in
future when a file is taken off the tape?


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Re: [Bacula-users] current recommendations for SSD spool disk with LTO/Ultrium?

[Phil Stracchino]

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On 12/03/14 13:20, Dimitri Maziuk wrote:
> On 12/03/2014 10:11 AM, Phil Stracchino wrote:
>> If you're using any kind of modern SSD device, this is really no
>> longer much of an issue.  Between write leveling software, new
>> architectures such as Samsung's 3D VNAND, and general
>> improvements, it's really unlikely that you can actually exceed
>> the write life of a decent-size SSD device in any realistic
>> period of time.  I am advised Samsung has a 250GB 950 Pro SSD in
>> their test labs to which they have written over 8 petabytes of
>> data (yes, I said PETAbytes) and it is still going strong. 
>> Several independent test labs have test SSDs to which they have
>> been continually writing data at the maximum transfer rate of the
>> device for over a year without experiencing a failure.
> 
> Right but note there's a couple of keywords there:
> 
> "decent-size SSD device" -- don't make a 2.5TB spool partition
> because there'll be no write leveling.

Why do you assume that there would be no write leveling across a 2.5TB
spool partition?  (Which is probably going to have to be a stripe
across multiple devices in the first place.)  Write leveling in SSDs
happens far below the filesystem or RAID level.

> I think 32K write cycles is roughly a century of nightly writes so
> yeah, that should be good enough. ;)



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Re: [Bacula-users] current recommendations for SSD spool disk with LTO/Ultrium?

[Dimitri Maziuk]

On 12/03/2014 10:11 AM, Phil Stracchino wrote:

> If you're using any kind of modern SSD device, this is really no longer
> much of an issue.  Between write leveling software, new architectures
> such as Samsung's 3D VNAND, and general improvements, it's really
> unlikely that you can actually exceed the write life of a decent-size
> SSD device in any realistic period of time.  I am advised Samsung has a
> 250GB 950 Pro SSD in their test labs to which they have written over 8
> petabytes of data (yes, I said PETAbytes) and it is still going strong.
>  Several independent test labs have test SSDs to which they have been
> continually writing data at the maximum transfer rate of the device for
> over a year without experiencing a failure.

Right but note there's a couple of keywords there:

"decent-size SSD device" -- don't make a 2.5TB spool partition because
there'll be no write leveling.

I think 32K write cycles is roughly a century of nightly writes so yeah,
that should be good enough. ;)
-- 
Dimitri Maziuk
Programmer/sysadmin
BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu



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Re: [Bacula-users] Problems with Quantum SuperLoader 3 LTO-6

[Rainer Hackel]

Hi Ben,
I tried to understand the start script, and it produces this start-string:
daemon bacula-dir -c /etc/bacula/bacula-dir.conf
The daemon function is located in /etc/init.d/functions, but this is one level 
too hard for me.
The entry in the logfile:

03-Dec 18:18 bacula-dir JobId 0: Fatal error: Could not open Catalog 
"MyCatalog", database "bacula".
03-Dec 18:18 bacula-dir JobId 0: Fatal error: postgresql.c:227 Unable to 
connect to PostgreSQL server. Database=bacula User=bacula
Possible causes: SQL server not running; password incorrect; max_connections 
exceeded.
03-Dec 18:18 bacula-dir ERROR TERMINATION
Please correct configuration file: /etc/bacula/bacula-dir.conf

Best regards,
Rainer

Von: Roberts, Ben [mailto:ben.robe...@gsacapital.com]
Gesendet: Mittwoch, 3. Dezember 2014 12:34
An: Rainer Hackel; bacula-users@lists.sourceforge.net
Betreff: RE: Problems with Quantum SuperLoader 3 LTO-6

Hi Rainer,

> First problem:
> Starting Bacula this way doesn't work anymore:
> cd /etc/init.d
> ./bacula-dir start

You're going to have to do some good old fashioned debug to work this out. 
Check the logs, try running the exact commands the init script executes (make 
sure to do it as the same user the director runs under to eliminate any 
permissions issue). You've proved that the director can started, now you need 
to isolate how it's being started differently by the init script.

> All works fine, shows amount of slots and also the labels of stored tapes.
Mtx-changer parses this output using a regular expression. You may wish to make 
sure the data is being returned in the same format, and tweak the pattern match 
if it's different. Look for "VolumeTag" in the mtx-changer script.

Regards,
Ben Roberts

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Re: [Bacula-users] Bacula-users Digest, Vol 104, Issue 3

[Vasquez, Michael E. CIV]

= bacula-fd 
FileSet="EbysFiles" 
Schedule = "MultipleRUN" 
Priority = 10 
} 
Job { 
Name = "LoggerBackup" 
JobDefs = "MyJobDefs" 
Client = logger-fd 
FileSet="Logger" 
Schedule = "MultipleRUN" 
Priority = 15 
} 
Job { 
Name = "RadiusBackup" 
JobDefs = "MyJobDefs" 
Client = radius-fd 
FileSet="RadiusFiles" 
Schedule = "MultipleRUN" 
Priority = 20 
} 
Schedule { 
Name = "MultipleRUN" 
Run = Level=Full Pool=Daily mon-thu at 2:17 
Run = Level=Full Pool=Daily 2nd-5th fri at 2:17 
Run = Level=Full Pool=Daily 2nd-5th sat at 2:17 
#never run Daily on 1st 
Run = Level=Full Pool=Weekly sun at 2:17 
#Run = Level=Incremental Pool=Weekly mon-sat at 19:05 
Run = Level=Full Pool=Monthly 1st sat at 2:17 
#Run = Level=Incremental Pool=Monthly sun-fri at 2:05 
Run = Level=Full Pool=Offsite 1st fri at 2:17 
} 
Client { 
Name = radius-fd 
Address = client-address 
FDPort = 9102 
Catalog = MyCatalog 
Password = "mypassword" # password for FileDaemon 2 
} 
Storage { 
Name = "Fujitsu ETERNUS LT60" 
Address = sd-FQDN-address # N.B. Use a fully qualified name here 
SDPort = 9103 
Password = "mypassword" # password for Storage daemon 
Device = AYKAutochanger 
Media Type = LTO-5 # must be same as MediaType in Storage daemon 
Autochanger = yes # enable for autochanger device 
Maximum Concurrent Jobs = 2 
} 
Pool { 
Name = Daily 
Pool Type = Backup 
Recycle = yes # Bacula can automatically recycle Volumes 
AutoPrune = yes # Prune expired volumes 
Volume Retention = 7 days 
Cleaning Prefix = "CLN" 
Maximum Volume Bytes = 4924983103488 
} 
Pool { 
Name = Weekly 
Pool Type = Backup 
Recycle = yes # Bacula can automatically recycle Volumes 
AutoPrune = yes # Prune expired volumes 
Volume Retention = 30 days 
Cleaning Prefix = "CLN" 
Maximum Volume Bytes = 4924983103488 
} 

#file set definitions and some unrelated config snipped 
 
bacula-fd.conf 

FileDaemon { # this is me 
Name = bacula-fd 
FDport = 9102 # where we listen for the director 
WorkingDirectory = /var/spool/bacula 
Pid Directory = /var/run 
Maximum Concurrent Jobs = 2 
} 
 
snipped 

= 







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Message: 6
Date: Wed, 03 Dec 2014 09:23:36 -0500
From: Josh Fisher 
Subject: Re: [Bacula-users] current recommendations for SSD spool disk
with LTO/Ultrium?
To: bacula-users@lists.sourceforge.net
Message-ID: <547f1ce8.5010...@pvct.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

On 12/3/2014 8:12 AM, Daniel Pocock wrote:
> Can anybody make any practical comments on how to choose a suitable
> spool disk (both speed, size and whether to make an array of disks for
> spooling)?
>
> It would be useful to see some examples of spooling for LTO-3 up to
> LTO-6 and also any comments about things to avoid
>
> For example, if somebody uses LTO-3 (400GB, supporting 60 - 80MB/sec)
> will a single SSD sustain the necessary speed de-spooling to tape or
> should multiple SSDs be used in RAID0 or RAID1?  Is it feasible for
> clients to be spooling more jobs to the same disk simultaneously while
> the tape drive is reading from it?

A single SSD such as the Intel Fultondale series will sustain average 
read speeds far in excess of the LTO-6 400 MB/s maximum. A Lyndonville 
series will sustain average read speeds of around 200 MB/s. But you have 
to compare apples to apples. The maximum write speed of LTO-6 is 400 
MB/s, but what is the average write speed after writing many blocks for 
a whole job? A single Lyndonville drive may suffice, or a RAID array of 
SAS drives. I stay away from RAIDing SSDs and won't use RAID0 for anything.

Also, in addition to de-spooling data to tape, it must also de-spool 
metadata to the database. IMO, the SSD makes far more difference for the 
database than for the spool.




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Message: 7
Date: Wed, 3 Dec 2014 15:34:20 +
From: Rainer Hackel 
Subject: Re: [Bacula-users] Problems with Quantum SuperLoader 3 LTO-6
To: Heitor Faria 
Cc: "bacula-users@lists.sourceforge

Re: [Bacula-users] current recommendations for SSD spool disk with LTO/Ultrium?

[Phil Stracchino]

On 12/03/14 11:11, Phil Stracchino wrote:
> If you're using any kind of modern SSD device, this is really no longer
> much of an issue.  Between write leveling software, new architectures
> such as Samsung's 3D VNAND, and general improvements, it's really
> unlikely that you can actually exceed the write life of a decent-size
> SSD device in any realistic period of time.  I am advised Samsung has a
> 250GB 950 Pro SSD in their test labs to which they have written over 8
> petabytes of data (yes, I said PETAbytes) and it is still going strong.

And yes, to save folks from doing the math themselves, that is 32,000
full-device write cycles.


-- 
  Phil Stracchino
  Babylon Communications
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  p...@co.ordinate.org
  Landline: 603.293.8485

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Re: [Bacula-users] current recommendations for SSD spool disk with LTO/Ultrium?

[Phil Stracchino]

On 12/03/14 10:46, Dmitri Maziuk wrote:
> On 12/3/2014 8:23 AM, Josh Fisher wrote:
>> ... The maximum write speed of LTO-6 is 400
>> MB/s, but what is the average write speed after writing many blocks for
>> a whole job? A single Lyndonville drive may suffice, or a RAID array of
>> SAS drives.
> 
> Probably not so important in this case, but consider write wear on the 
> SSD, too: they don't last quite so long under intensive write loads.

If you're using any kind of modern SSD device, this is really no longer
much of an issue.  Between write leveling software, new architectures
such as Samsung's 3D VNAND, and general improvements, it's really
unlikely that you can actually exceed the write life of a decent-size
SSD device in any realistic period of time.  I am advised Samsung has a
250GB 950 Pro SSD in their test labs to which they have written over 8
petabytes of data (yes, I said PETAbytes) and it is still going strong.
 Several independent test labs have test SSDs to which they have been
continually writing data at the maximum transfer rate of the device for
over a year without experiencing a failure.


-- 
  Phil Stracchino
  Babylon Communications
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  p...@co.ordinate.org
  Landline: 603.293.8485

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Re: [Bacula-users] current recommendations for SSD spool disk with LTO/Ultrium?

[Dmitri Maziuk]

On 12/3/2014 8:23 AM, Josh Fisher wrote:
> On 12/3/2014 8:12 AM, Daniel Pocock wrote:
>> Can anybody make any practical comments on how to choose a suitable
>> spool disk (both speed, size and whether to make an array of disks for
>> spooling)?

> ... The maximum write speed of LTO-6 is 400
> MB/s, but what is the average write speed after writing many blocks for
> a whole job? A single Lyndonville drive may suffice, or a RAID array of
> SAS drives.

Probably not so important in this case, but consider write wear on the 
SSD, too: they don't last quite so long under intensive write loads.

I sincerely doubt a tape drive can keep up with despooling off a 10Gb/s 
SAS drive, or even a 6Gb/s SATA one. (Should be a fair assessment as 
those numbers are as realistic as LTO-6's 400MB/s.)

Dima


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Re: [Bacula-users] Problems with Quantum SuperLoader 3 LTO-6

[Rainer Hackel]

Hello Ana,
I did an „yum update“ a few days before, but I cannot say, whether bacula was 
updated or not. The version that is show in bconsole is:
bacula-dir Version: 5.0.0 (26 January 2010) x86_64-redhat-linux-gnu redhat

Here is the result from of the command the "/usr/libexec/bacula/mtx-changer 
/dev/sg1 listall":
D:0:E
S:1:F:A00022L5
S:2:E
S:3:E
S:4:E
S:5:F:A00024L5
S:6:F:A00023L5
S:7:F:A00020L5
S:8:F:A00019L5
S:9:E
S:10:E
S:11:E
S:12:E
S:13:E
S:14:E
S:15:E
S:16:F:CLNA01L5
The SuperLoader has 16 slots and all but the listed are empty, so the output 
seems OK for me.

Rainer

Von: Ana Emília M. Arruda [mailto:emiliaarr...@gmail.com]
Gesendet: Mittwoch, 3. Dezember 2014 13:12
An: Rainer Hackel
Cc: bacula-users@lists.sourceforge.net
Betreff: Re: [Bacula-users] Problems with Quantum SuperLoader 3 LTO-6

Hello Rainer,

Could you tell us which version are you using? Have you upgraded?

Could you post the results of the "/usr/libexec/bacula/mtx-changer /dev/sg1 
listall" command?

Best regards,
Ana

On Wed, Dec 3, 2014 at 7:45 AM, Rainer Hackel 
mailto:rainer.hac...@degnerpartner.com>> wrote:
Hello Bacula users,
we run bacula backup for a while now. We had to replace our Tandberg 
Tape-Library (StorageLoader LTO-5) by a Quantum device (Superloader LTO-6) and 
have some problems now. Maybe someone can help.

First problem:
Starting Bacula this way doesn’t work anymore:
cd /etc/init.d
./bacula-dir start

Starting this way works fine:
cd /etc/init.d
bacula-dir /etc/bacula/bacula-dir.conf

I could live with that, but I wonder why this happened…


Next problem:
bconsole
update slots
Result:
…
3306 Issuing autochanger "slots" command.
Device "Autochanger" has 0 slots.
No slots in changer to scan.

But:
/usr/libexec/bacula/mtx-changer /dev/sg1 list 0 /dev/nst0 0
Or
/usr/libexec/bacula/mtx-changer /dev/sg1 slots
Or
/usr/libexec/bacula/mtx-changer /dev/sg1 load 3 /dev/nst0 0
All works fine, shows amount of slots and also the labels of stored tapes.


Entry in bacula-sd.conf:
Autochanger {
  Name = Autochanger
  Device = LTO-5
  Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d"
  Changer Device = /dev/changer
}


Rights on /dev:
lrwxrwxrwx. 1 root root 3 Dec  2 09:38 changer -> sg1
crwxrwxrwx. 1 root tape 21, 1 Dec  2 09:38 sg1

It would be great if someone could help.
Rainer

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Re: [Bacula-users] Problems with Quantum SuperLoader 3 LTO-6

[Rainer Hackel]

Hello Heitor,
here the log produced by the „update slots” command (just 2 lines):
20141203-16:05:07 Parms: /dev/changer slots 0 /dev/nst0 0
20141203-16:05:07 Doing mtx -f /dev/changer -- to get count of slots

Rainer

Von: Heitor Faria [mailto:hei...@bacula.com.br]
Gesendet: Mittwoch, 3. Dezember 2014 12:45
An: Rainer Hackel
Cc: bacula-users@lists.sourceforge.net
Betreff: Re: [Bacula-users] Problems with Quantum SuperLoader 3 LTO-6

Hello Bacula users,
we run bacula backup for a while now. We had to replace our Tandberg 
Tape-Library (StorageLoader LTO-5) by a Quantum device (Superloader LTO-6) and 
have some problems now. Maybe someone can help.

Next problem:
bconsole
update slots
Result:
…
3306 Issuing autochanger "slots" command.
Device "Autochanger" has 0 slots.
No slots in changer to scan.

But:
/usr/libexec/bacula/mtx-changer /dev/sg1 list 0 /dev/nst0 0
Or
/usr/libexec/bacula/mtx-changer /dev/sg1 slots
Or
/usr/libexec/bacula/mtx-changer /dev/sg1 load 3 /dev/nst0 0
All works fine, shows amount of slots and also the labels of stored tapes.


Entry in bacula-sd.conf:
Autochanger {
  Name = Autochanger
  Device = LTO-5
  Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d"
  Changer Device = /dev/changer
}


Rights on /dev:
lrwxrwxrwx. 1 root root 3 Dec  2 09:38 changer -> sg1
crwxrwxrwx. 1 root tape 21, 1 Dec  2 09:38 sg1
Mr. Rainer: can you enable the mtx-changer script logging? 
(/usr/libexec/bacula/mtx-changer.conf, debug_log=1).
Then post the output of mtx.log.

Regards,
==
Heitor Medrado de Faria  - LPIC-III | ITIL-F
12 a 23 de janeiro de 2015 - Treinamento Telepresencial Bacula: 
http://www.bacula.com.br/?p=2174
61 2021-8260 | 8268-4220
Site: www.bacula.com.br<http://www.bacula.com.br/> | Facebook: 
heitor.faria<http://www.facebook.com/heitor.faria> | Gtalk: 
heitorfa...@gmail.com<mailto:heitorfa...@gmail.com>
===

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Re: [Bacula-users] current recommendations for SSD spool disk with LTO/Ultrium?

[Josh Fisher]

On 12/3/2014 8:12 AM, Daniel Pocock wrote:
> Can anybody make any practical comments on how to choose a suitable
> spool disk (both speed, size and whether to make an array of disks for
> spooling)?
>
> It would be useful to see some examples of spooling for LTO-3 up to
> LTO-6 and also any comments about things to avoid
>
> For example, if somebody uses LTO-3 (400GB, supporting 60 - 80MB/sec)
> will a single SSD sustain the necessary speed de-spooling to tape or
> should multiple SSDs be used in RAID0 or RAID1?  Is it feasible for
> clients to be spooling more jobs to the same disk simultaneously while
> the tape drive is reading from it?

A single SSD such as the Intel Fultondale series will sustain average 
read speeds far in excess of the LTO-6 400 MB/s maximum. A Lyndonville 
series will sustain average read speeds of around 200 MB/s. But you have 
to compare apples to apples. The maximum write speed of LTO-6 is 400 
MB/s, but what is the average write speed after writing many blocks for 
a whole job? A single Lyndonville drive may suffice, or a RAID array of 
SAS drives. I stay away from RAIDing SSDs and won't use RAID0 for anything.

Also, in addition to de-spooling data to tape, it must also de-spool 
metadata to the database. IMO, the SSD makes far more difference for the 
database than for the spool.


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Re: [Bacula-users] bacula can't make use of multi drives

[Süleyman Kuran]

At last !!! 

Finally setting same priority for the jobs "did the job". Now bacula can write 
to all 4 drives for the jobs that are in the same pool simultaneously. 

Thanks for the support. 


- Original Message -

From: "Ana Emília M. Arruda"  
To: "Süleyman Kuran"  
Cc: "bacula-users"  
Sent: Tuesday, 18 November, 2014 6:20:24 PM 
Subject: Re: [Bacula-users] bacula can't make use of multi drives 

Hello! 

If you want to run concurrent jobs, you should define the same priority for all 
of them. From the manual: "Bacula concurrently runs jobs of only one priority 
at a time. It will not simultaneously run a priority 1 and a priority 2 job." 

Best regards, 
Ana 

On Tue, Nov 18, 2014 at 6:39 AM, Süleyman Kuran < sku...@ayk.gov.tr > wrote: 



Hi, 

I am trying to make bacula use multi drives in a Fujitsu Tape Library with no 
success. Recently I added 3 more drives to bacula configuration to reduce 
backup time. But bacula insists on using only the first drive. Backup jobs are 
not sent to other suitable tape drives. Jobs are started at the same time and 
queued. Jobs in the queue is waiting for the previous job to finish even if 
there is a valid media (tape) for the pool and other drives are idle. I can 
mount other drives manually. Is there any other setting I'm missing to make use 
of multi-drives? Please advise. 

Regards, 

Suleyman 

==
 
CentOS release 6.5 (Final) 
Bacula version 5.0.0-12.el6 

C onfig files: 

bacula-sd.conf 
==
 
Storage { # definition of myself 
Name = bacula-sd 
SDPort = 9103 # Director's port 
WorkingDirectory = "/var/spool/bacula" 
Pid Directory = "/var/run" 
Maximum Concurrent Jobs = 2 
} 
 
Autochanger { 
Name = AYKAutochanger 
Device = Drive-1 
Device = Drive-2 
Device = Drive-3 
Device = Drive-4 
Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d" 
Changer Device = /dev/sg9 
} 
Device { 
Name = Drive-1 
Drive Index = 0 
Media Type = LTO-5 
Archive Device = /dev/nst0 
AutomaticMount = yes 
AlwaysOpen = yes 
RemovableMedia = yes 
Random Access = no 
Maximum File Size = 10GB 
Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d" 
Changer Device = /dev/sg9 
AutoChanger = yes 
} 
Device { 
Name = Drive-2 
Drive Index = 1 
Media Type = LTO-5 
Archive Device = /dev/nst1 
AutomaticMount = yes 
AlwaysOpen = yes 
RemovableMedia = yes 
Random Access = no 
Maximum File Size = 10GB 
Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d" 
Changer Device = /dev/sg9 
AutoChanger = yes 
Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'" 
} 
Device { 
Name = Drive-3 
Drive Index = 2 
Media Type = LTO-5 
Archive Device = /dev/nst2 
AutomaticMount = yes 
AlwaysOpen = yes 
RemovableMedia = yes 
Random Access = no 
Maximum File Size = 10GB 
Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d" 
# Changer Device = /dev/changer 
Changer Device = /dev/sg9 
AutoChanger = yes 
Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'" 
} 
Device { 
Name = Drive-4 
Drive Index = 3 
Media Type = LTO-5 
Archive Device = /dev/nst3 
AutomaticMount = yes 
AlwaysOpen = yes 
RemovableMedia = yes 
Random Access = no 
Maximum File Size = 10GB 
Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d" 
Changer Device = /dev/sg9 
AutoChanger = yes 
Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'" 
} 
... 
=== 
ba cula-dir.conf 

Director { # define myself 
Name = bacula-dir 
DIRport = 9101 # where we listen for UA connections 
QueryFile = "/etc/bacula/query.sql" 
WorkingDirectory = "/var/spool/bacula" 
PidDirectory = "/var/run" 
Maximum Concurrent Jobs = 2 
Password = "mypassword" # Console password 
Messages = Daemon 
} 
JobDefs { 
Name = "MyJobDefs" 
Type = Backup 
Storage = "Fujitsu ETERNUS LT60" 
Max Start Delay = 36000 #do not start jobs after 10 hours 
Messages = Standard 
Pool = Default # will be overwritten by MultipleRUN Schedule 
#Write Bootstrap = "/var/spool/bacula/%c.bsr" 
Prefer Mounted Volumes = no 
} 
Job { 
Name = "EbysFileBackup" 
JobDefs = "MyJobDefs" 
Client = bacula-fd 
FileSet="EbysFiles" 
Schedule = "MultipleRUN" 
Priority = 10 
} 
Job { 
Name = "LoggerBackup" 
JobDefs = "MyJobDefs" 
Client = logger-fd 
FileSet="Logger" 
Schedule = "MultipleRUN" 
Priority = 15 
} 
Job { 
Name = "RadiusBackup" 
JobDefs = "MyJobDefs" 
Client = radius-fd 
FileSet="RadiusFiles" 
Schedule = "MultipleRUN" 
Priority = 20 
} 
Schedule { 
Name = "MultipleRUN" 
Run = Level=Full Pool=Daily mon-thu at 2:17 
Run = Level=Full Pool=Daily 2nd-5th fri at 2:17 
Run = Level=Full Pool=Daily 2nd-5th sat at 2:17 
#never run Daily on 1st 
Run = Level=Full Pool=Weekly sun at 2:17 
#Run = Level=Incremental Pool=Weekly mon-sat at 19:05 
Run = Level=Full Pool=Monthly 1st sat at 2:17 
#Run = Level=Incremen

[Bacula-users] current recommendations for SSD spool disk with LTO/Ultrium?

[Daniel Pocock]

Can anybody make any practical comments on how to choose a suitable
spool disk (both speed, size and whether to make an array of disks for
spooling)?

It would be useful to see some examples of spooling for LTO-3 up to
LTO-6 and also any comments about things to avoid

For example, if somebody uses LTO-3 (400GB, supporting 60 - 80MB/sec)
will a single SSD sustain the necessary speed de-spooling to tape or
should multiple SSDs be used in RAID0 or RAID1?  Is it feasible for
clients to be spooling more jobs to the same disk simultaneously while
the tape drive is reading from it?


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Re: [Bacula-users] Problems with Quantum SuperLoader 3 LTO-6

[Ana Emília M . Arruda]

Hello Rainer,

Could you tell us which version are you using? Have you upgraded?

Could you post the results of the "/usr/libexec/bacula/mtx-changer /dev/sg1
listall" command?

Best regards,
Ana

On Wed, Dec 3, 2014 at 7:45 AM, Rainer Hackel <
rainer.hac...@degnerpartner.com> wrote:

>  Hello Bacula users,
>
> we run bacula backup for a while now. We had to replace our Tandberg
> Tape-Library (StorageLoader LTO-5) by a Quantum device (Superloader LTO-6)
> and have some problems now. Maybe someone can help.
>
>
>
> First problem:
>
> Starting Bacula this way doesn’t work anymore:
>
> cd /etc/init.d
>
> ./bacula-dir start
>
>
>
> Starting this way works fine:
>
> cd /etc/init.d
>
> bacula-dir /etc/bacula/bacula-dir.conf
>
>
>
> I could live with that, but I wonder why this happened…
>
>
>
>
>
> Next problem:
>
> bconsole
>
> update slots
>
> Result:
>
> …
>
> 3306 Issuing autochanger "slots" command.
>
> Device "Autochanger" has 0 slots.
>
> No slots in changer to scan.
>
>
>
> But:
>
> /usr/libexec/bacula/mtx-changer /dev/sg1 list 0 /dev/nst0 0
>
> Or
>
> /usr/libexec/bacula/mtx-changer /dev/sg1 slots
>
> Or
>
> /usr/libexec/bacula/mtx-changer /dev/sg1 load 3 /dev/nst0 0
>
> All works fine, shows amount of slots and also the labels of stored tapes.
>
>
>
>
>
> Entry in bacula-sd.conf:
>
> Autochanger {
>
>   Name = Autochanger
>
>   Device = LTO-5
>
>   Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d"
>
>   Changer Device = /dev/changer
>
> }
>
>
>
>
>
> Rights on /dev:
>
> lrwxrwxrwx. 1 root root 3 Dec  2 09:38 changer -> sg1
>
> crwxrwxrwx. 1 root tape 21, 1 Dec  2 09:38 sg1
>
>
>
> It would be great if someone could help.
>
> Rainer
>
>
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Re: [Bacula-users] Problems with Quantum SuperLoader 3 LTO-6

[Heitor Faria]

> Hello Bacula users,

> we run bacula backup for a while now. We had to replace our Tandberg
> Tape-Library (StorageLoader LTO-5) by a Quantum device (Superloader LTO-6)
> and have some problems now. Maybe someone can help.

> Next problem:

> bconsole

> update slots

> Result:

> …

> 3306 Issuing autochanger "slots" command.

> Device "Autochanger" has 0 slots.

> No slots in changer to scan.

> But:

> /usr/libexec/bacula/mtx-changer /dev/sg1 list 0 /dev/nst0 0

> Or

> /usr/libexec/bacula/mtx-changer /dev/sg1 slots

> Or

> /usr/libexec/bacula/mtx-changer /dev/sg1 load 3 /dev/nst0 0

> All works fine, shows amount of slots and also the labels of stored tapes.

> Entry in bacula-sd.conf:

> Autochanger {

> Name = Autochanger

> Device = LTO-5

> Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d"

> Changer Device = /dev/changer

> }

> Rights on /dev:

> lrwxrwxrwx. 1 root root 3 Dec 2 09:38 changer -> sg1

> crwxrwxrwx. 1 root tape 21, 1 Dec 2 09:38 sg1

Mr. Rainer: can you enable the mtx-changer script logging? ( 
/usr/libexec/bacula/ mtx-changer.conf, debug_log=1). 
Then post the output of mtx.log. 

Regards, 
== 
Heitor Medrado de Faria - LPIC-III | ITIL-F 
12 a 23 de janeiro de 2015 - Treinamento Telepresencial Bacula: 
http://www.bacula.com.br/?p=2174 
61 2021-8260 | 8268-4220 
Site: www.bacula.com.br | Facebook: heitor.faria | Gtalk: heitorfa...@gmail.com 
=== 
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Re: [Bacula-users] Problems with Quantum SuperLoader 3 LTO-6

[Roberts, Ben]

Hi Rainer,

> First problem:
> Starting Bacula this way doesn't work anymore:
> cd /etc/init.d
> ./bacula-dir start

You're going to have to do some good old fashioned debug to work this out. 
Check the logs, try running the exact commands the init script executes (make 
sure to do it as the same user the director runs under to eliminate any 
permissions issue). You've proved that the director can started, now you need 
to isolate how it's being started differently by the init script.

> All works fine, shows amount of slots and also the labels of stored tapes.
Mtx-changer parses this output using a regular expression. You may wish to make 
sure the data is being returned in the same format, and tweak the pattern match 
if it's different. Look for "VolumeTag" in the mtx-changer script.

Regards,
Ben Roberts

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[Bacula-users] Problems with Quantum SuperLoader 3 LTO-6

[Rainer Hackel]

Hello Bacula users,
we run bacula backup for a while now. We had to replace our Tandberg 
Tape-Library (StorageLoader LTO-5) by a Quantum device (Superloader LTO-6) and 
have some problems now. Maybe someone can help.

First problem:
Starting Bacula this way doesn't work anymore:
cd /etc/init.d
./bacula-dir start

Starting this way works fine:
cd /etc/init.d
bacula-dir /etc/bacula/bacula-dir.conf

I could live with that, but I wonder why this happened...


Next problem:
bconsole
update slots
Result:
...
3306 Issuing autochanger "slots" command.
Device "Autochanger" has 0 slots.
No slots in changer to scan.

But:
/usr/libexec/bacula/mtx-changer /dev/sg1 list 0 /dev/nst0 0
Or
/usr/libexec/bacula/mtx-changer /dev/sg1 slots
Or
/usr/libexec/bacula/mtx-changer /dev/sg1 load 3 /dev/nst0 0
All works fine, shows amount of slots and also the labels of stored tapes.


Entry in bacula-sd.conf:
Autochanger {
  Name = Autochanger
  Device = LTO-5
  Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d"
  Changer Device = /dev/changer
}


Rights on /dev:
lrwxrwxrwx. 1 root root 3 Dec  2 09:38 changer -> sg1
crwxrwxrwx. 1 root tape 21, 1 Dec  2 09:38 sg1

It would be great if someone could help.
Rainer
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Re: [Bacula-users] SOLVED - Issue on catalog off-site backup

[Fábio R. Medeiros]

Ana, Heitor and Martin, thanks for your support. The problem was the 
fileset.


Best regards!

Fábio

On 01-12-2014 15:47, Ana Emília M. Arruda wrote:

Hello Fabio,

As Martin said, you have problems with your filset in the job. Your 
PostegreSQL dump should be /var/db/bacula/Catalogo.sql. The path for 
the .sql dump is your  $wd = "/var/db/bacula".


Best regards,
Ana

On Mon, Dec 1, 2014 at 2:31 PM, Martin Simmons > wrote:


> On Mon, 01 Dec 2014 13:55:31 -0200, "Fábio R. Medeiros"  said:
>
> On 01-12-2014 09:42, Heitor Faria wrote:
> >> There are some strange behaviors, i.e., my catalog name is
"Catalogo",
> >> if the job is set to:
> >>
> >> ClientRunBeforeJob =
"/usr/local/share/bacula/make_catalog_backup.pl

> >> Catalogo"
> >>
> >> then I got the error:
> >>
> >> 26-Nov 03:00 bacula-fd JobId 43790: shell command: run
ClientRunBeforeJob
> >> "/usr/local/share/bacula/make_catalog_backup.pl
 Catalogo"
> >> 26-Nov 03:00 bacula-fd JobId 43790: Could not stat "": ERR=No
such file
> >> or directory
> > Hey Mr. Fábio: are you sure that your Bacula Database dump
script is in /usr/local/share/bacula/?
> > Usually this script is located at bacula scripts folder, witch
can be changed at compilation.
> Hi Mr. Heitor,
>
> Yes, I checked the path, it's all correct. I'm looking for possible
> errors in the script itself as suggested by Ana.

Did you post the full output or did you edit it (if so, never do
that).

I think the "Could not stat" message comes from bacula, not from
make_catalog_backup.pl . Check your
fileset definition in case it says
something like File="".

__Martin


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Re: [Bacula-users] Paper on Property Backup Migration to Bacula

[Radosław Korzeniewski]

Hello,

2014-11-28 14:09 GMT+01:00 Heitor Faria :

> Mr. Bacula Users,
>
> I wanted to write a paper / guide that outlines the process of migrating
> backup data written with property software for Bacula. I think those are
> some premises:
>
> 1. I know this will probably involve restore the legacy data to a given
> mount point in the respective servers and backup it again? Maybe with
> suffix manipulation?
>

I think it is the only solution available. It is valid for files data only,
no application specyfic backups (excluding dump to the file). With suffix
manipulation, I think there is no useable functions inside Bacula (there
are some parameters which are available in Restore jobs only), so I had to
prepare some not so trivial sql statements.


> 2. And how about changing today job backup date to the real date of the
> first backup of the legacy data? Anyone has done queries that could share?
>

Changing job dates (start,end, etc.) is simple when you bother catalog data
only. The other case are dates written to the volumes.


> 3. Whatever you suggest.
>

Application specific backups. :)

best regards
-- 
Radosław Korzeniewski
rados...@korzeniewski.net
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Re: [Bacula-users] Bacula features sheet

[Radosław Korzeniewski]

Hello,

2014-11-25 18:17 GMT+01:00 Bruno Andrade :

> Hey,
>
> I started recently, to analyze and test Bacula for the company and I'm
> creating a wiki with all the information related.
>
> Is there any document or alike where I can find all the features that we
> can find in Bacula?
>

It is in manual (main.pdf).


>
> On the manual I only find the new features in 7, in 5 and in 3. But
> there is no document with all the features?
>
>
All features available in Bacula are documented in the manual (main.pdf).
Yes, it is not in the form (single table) you expecting, but it is there.

What particular feature are you looking for? There are dozen of features
and functionalities in Bacula.

best regards
-- 
Radosław Korzeniewski
rados...@korzeniewski.net
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