[Bacula-users] Globally disable pruning and purging

[juan]

Hy,

I need bacula to keep the files that were backed up and the volume they
were stored in the database for ever. Is there anyway I can globally
disable pruning and purging? Thanks in advance

Juan

Imprima este correo solo si es necesario. Actúe responsablemente con el Medio 
Ambiente.

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Re: [Bacula-users] Client machine browsing only it's backups

[John Drescher]

> There is ACL support in the client. However I am not too familiar with
> that (and what it prevents access to) since I do not use it on my
> network. You may want to use a separate database per client. That way
> the client will only see their stuff. This however will make it harder
> to manage your bacula volumes since I do not believe you can safely
> use the same bacula database in more than one catalog.
>

One correction. I messed up the last sentence... Replace database with
volume and it makes sense..

It should read "This however will make it harder to manage your bacula
volumes since I do not believe you can safely use the same bacula
volume in more than one catalog."

John

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Re: [Bacula-users] backup to dvd not working

[Phil Stracchino]

On 05/13/11 12:08, Wouter Verhelst wrote:
> Hi,
> 
> I was trying to set up bacula on my parents' laptop the other day so
> that they could do proper backups to DVD+RW disks. Only it isn't
> working.
> 
> - Running 'dvd-handler /dev/dvdrw write 1 /tmp/foo' works perfectly; it
>   blanks the disc and writes the file /tmp/foo on it.
> - Running the 'label' command in the console after doing the above does
>   not work, since dvd-handler detects that something is on the disc
>   already but it does not recognize it, so it refuses to write to it.
> - Running 'dvd-handler /dev/dvdrw prepare' seems to work fine, it blanks
>   the disk.
> - Runnig 'label' again after the prepare does not work; dvd-handler
>   tries to mount the disc repetitively but fails, and the log reports
>   failure to read from the disk ('zero blocks received'). The storage
>   daemon then also segfaults for good measure.
> 
> They're running the version of bacula that is in Debian squeeze.
> 
> Is this just me, or should I file a bugreport somewhere?

Wouter,
The direct DVD writing feature in bacula proved to be unreliable and
unmaintainable, and has been deprecated for several major versions now.
 It never worked well, as you have found out; the code just hasn't been
actually removed yet.

The officially recommended technique at this time for backing up to DVDs
is to create DVD-sized (or fractionally less than DVD-sized) disk
volumes, say 4.6GB for single-layer or 8.4GB for DL DVD blanks, then
write the volumes separately to DVD via an external process.


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Re: [Bacula-users] Client machine browsing only it's backups

[Phil Stracchino]

On 05/13/11 12:08, John Drescher wrote:
> There is ACL support in the client. However I am not too familiar with
> that (and what it prevents access to) since I do not use it on my
> network. You may want to use a separate database per client. That way
> the client will only see their stuff. This however will make it harder
> to manage your bacula volumes since I do not believe you can safely
> use the same bacula database in more than one catalog.

I'd agree with this.  If offering Bacula-as-a-service, I think the only
way to guarantee security would be to do it as Director-per-client and
give each client their own storage area with a disk quota.


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Re: [Bacula-users] Questions regarding migration job failure

[Jerry Lowry]

thanks for your help and input.

I don't think the controller was/is causing the corruption.  The problem 
stems from my initial configuration of the storage and volumes causing 
the disks to fill up.  In order to hopefully not loose any backup data I 
moved some of the volumes to another disk while reconfiguring the pools 
and storage.  As I was working on the reconfiguration bacula got to the 
point where it wanted to write to the volumes that I moved, hence the 
volume was deemed corrupt because bacula could not find it.
So long as the recycling of the volumes clears the corrupt part of the 
volume I think I should be okay.  Will just have to be more intelligent 
in my configuration of volumes and storage.


Thanks

On 5/13/2011 2:25 AM, Martin Simmons wrote:

On Thu, 12 May 2011 09:58:14 -0700, Jerry Lowry said:

thanks for the help.  Looks like I have some digging to do to figure out
what is actually happening.  I know that I one time I had some problems
with the raid controller.  I have since gotten that resolved.

If the volume has been recycled will the corruption remain with the
volume or will it go by the wayside once the volume recycles?  Just
curious as to whether I should drop the corrupt volumes ( files ) and
create new ones.

I would consider reformatting the whole partition -- if the raid controller
was corrupting things, then there is no way to be sure that the filesystem is
OK.

__Martin

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Re: [Bacula-users] backup to dvd not working

[John Drescher]

> I was trying to set up bacula on my parents' laptop the other day so
> that they could do proper backups to DVD+RW disks. Only it isn't
> working.
>
All I can say is the dvd writing code is alpha quality or even worse
since the developer working on that quit the project many years ago.
On top of that the developers (including Kern) also have discussed
removing that feature entirely. I would suggest that you just make 4GB
disk volumes and externally burn these to dvd media then delete the
4GB disk volumes from your server.

John

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[Bacula-users] Fwd: Archive Devices not created

[John Drescher]

-- Forwarded message --
From: Robert Kromoser 
Date: Fri, May 13, 2011 at 12:10 PM
Subject: RE: [Bacula-users] Archive Devices not created
To: John Drescher 


Hi John.

I don't know what you mean?
What's wrong about the bacula-sd.conf?
The bacula-dir and the bacula-sd are running on the same host and so
they are using the same /etc/hosts file.
As you can see use I the hostname CBCK0001 in bacula-sd.conf.
I think that might be OK.

#
# Default Bacula Storage Daemon Configuration file
#
#  For Bacula release 5.0.3 (04 August 2010) -- redhat
#
# You may need to change the name of your tape drive
#   on the "Archive Device" directive in the Device
#   resource.  If you change the Name and/or the
#   "Media Type" in the Device resource, please ensure
#   that dird.conf has corresponding changes.
#

Storage {                             # definition of myself
 Name = CBCK0001-sd
 # Name = 192.168.100.93
 SDPort = 9103                  # Director's port
 WorkingDirectory = "/usr/local/bacula"
 Pid Directory = "/usr/local/bacula/bin/working"
 Maximum Concurrent Jobs = 20
}

#
# List Directors who are permitted to contact Storage daemon
#
Director {
 Name = CBCK0001-dir
 # Name = 192.168.100.93
 Password = "geheim"
}

#
# Restricted Director, used by tray-monitor to get the
#   status of the storage daemon
#
Director {
 Name = CBCK0001-mon
 Password = "oTYjmRTxaFv4yI99RAtNI9NNNKC3sqRgGR3jpZptIK5T"
 Monitor = yes
}

#
# Note, for a list of additional Device templates please
#  see the directory /examples/devices
# Or follow the following link:
#
http://bacula.svn.sourceforge.net/viewvc/bacula/trunk/bacula/examples/de
vices/
#

#
# Devices supported by this Storage daemon
# To connect, the Director's bacula-dir.conf must have the
#  same Name and MediaType.
#

Device {
 Name = FileStorage
 Media Type = File
 Archive Device = /tmp
 LabelMedia = yes;                   # lets Bacula label unlabeled
media
 Random Access = Yes;
 AutomaticMount = yes;               # when device opened, read it
 RemovableMedia = no;
 AlwaysOpen = no;
}

# #
# # Kinamu Device fuer Catalog Backup
# #

Device {
 Name = CBCK0001_Backup_Catalog
 Media Type = File
 Archive Device = /tmp/backup/itself/cbck0001
 LabelMedia = yes;                   # lets Bacula label unlabeled
media
 Random Access = Yes;
 AutomaticMount = yes;               # when device opened, read it
 RemovableMedia = no;
 AlwaysOpen = no;
}


#
# An autochanger device with two drives
#
#Autochanger {
#  Name = Autochanger
#  Device = Drive-1
#  Device = Drive-2
#  Changer Command = "/usr/local/bacula/bin/mtx-changer %c %o %S %a %d"
#  Changer Device = /dev/sg0
#}

#Device {
#  Name = Drive-1                      #
#  Drive Index = 0
#  Media Type = DLT-8000
#  Archive Device = /dev/nst0
#  AutomaticMount = yes;               # when device opened, read it
#  AlwaysOpen = yes;
#  RemovableMedia = yes;
#  RandomAccess = no;
#  AutoChanger = yes
#  #
#  # Enable the Alert command only if you have the mtx package loaded
#  # Note, apparently on some systems, tapeinfo resets the SCSI
controller
#  #  thus if you turn this on, make sure it does not reset your SCSI
#  #  controller.  I have never had any problems, and smartctl does
#  #  not seem to cause such problems.
#  #
#  Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
#  If you have smartctl, enable this, it has more info than tapeinfo
#  Alert Command = "sh -c 'smartctl -H -l error %c'"
#}

#Device {
#  Name = Drive-2                      #
#  Drive Index = 1
#  Media Type = DLT-8000
#  Archive Device = /dev/nst1
#  AutomaticMount = yes;               # when device opened, read it
#  AlwaysOpen = yes;
#  RemovableMedia = yes;
#  RandomAccess = no;
#  AutoChanger = yes
#  # Enable the Alert command only if you have the mtx package loaded
#  Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
#  If you have smartctl, enable this, it has more info than tapeinfo
#  Alert Command = "sh -c 'smartctl -H -l error %c'"
#}

#
# A Linux or Solaris LTO-2 tape drive
#
#Device {
#  Name = LTO-2
#  Media Type = LTO-2
#  Archive Device = /dev/nst0
#  AutomaticMount = yes;               # when device opened, read it
#  AlwaysOpen = yes;
#  RemovableMedia = yes;
#  RandomAccess = no;
#  Maximum File Size = 3GB
## Changer Command = "/usr/local/bacula/bin/mtx-changer %c %o %S %a %d"
## Changer Device = /dev/sg0
## AutoChanger = yes
#  # Enable the Alert command only if you have the mtx package loaded
## Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
## If you have smartctl, enable this, it has more info than tapeinfo
## Alert Command = "sh -c 'smartctl -H -l error %c'"
#}

#
# A Linux or Solaris LTO-3 tape drive
#
#Device {
#  Name = LTO-3
#  Media Type = LTO-3
#  Archive Device = /dev/nst0
#  AutomaticMount = yes;               # when device opened, read it
#  AlwaysOpen = yes;
#  RemovableMedia = yes;
#  R

Re: [Bacula-users] Client machine browsing only it's backups

[Jérôme Blion]

Le 13/05/2011 18:08, John Drescher a écrit :
> 2011/5/13 Paul Pathiakis:
>> Hi,
>> I'm new on the list and I don't know if this question has been addressed.
>> I'm looking to provide an offsite backup service to my clients and I'd like
>> to use Bacula as the product. (I love it for enterprise backups.)
>> I have clients that would like, as part of their EDR, to send backups
>> offsite to my company.  This is easily done by installing a bacula-fd
>> client.
>> However, I don't want to incur the overhead of a backup
>> operator/administrator to service these requests.  I'd like the
>> customer/client to be able to do this.  My question is whether I can
>> configure bacula BAT or the Web interface to allow the client to only see
>> his site's backups?  I don't want all customers to see all other customers'
>> backups.
>> Is there a way to do this?
> There is ACL support in the client. However I am not too familiar with
> that (and what it prevents access to) since I do not use it on my
> network. You may want to use a separate database per client. That way
> the client will only see their stuff. This however will make it harder
> to manage your bacula volumes since I do not believe you can safely
> use the same bacula database in more than one catalog.
>
> John
>
I would suggest you several things:
  - don't grant any console access from the client's servers.
  - use a web interface (bweb, webacula) and set up ACL in this tool.

In Webacula, you can create "limited" accounts which could allow you to 
perform what you expect.


HTH.
Jerome Blion.

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[Bacula-users] backup to dvd not working

[Wouter Verhelst]

Hi,

I was trying to set up bacula on my parents' laptop the other day so
that they could do proper backups to DVD+RW disks. Only it isn't
working.

- Running 'dvd-handler /dev/dvdrw write 1 /tmp/foo' works perfectly; it
  blanks the disc and writes the file /tmp/foo on it.
- Running the 'label' command in the console after doing the above does
  not work, since dvd-handler detects that something is on the disc
  already but it does not recognize it, so it refuses to write to it.
- Running 'dvd-handler /dev/dvdrw prepare' seems to work fine, it blanks
  the disk.
- Runnig 'label' again after the prepare does not work; dvd-handler
  tries to mount the disc repetitively but fails, and the log reports
  failure to read from the disk ('zero blocks received'). The storage
  daemon then also segfaults for good measure.

They're running the version of bacula that is in Debian squeeze.

Is this just me, or should I file a bugreport somewhere?

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Re: [Bacula-users] Client machine browsing only it's backups

[John Drescher]

2011/5/13 Paul Pathiakis :
> Hi,
> I'm new on the list and I don't know if this question has been addressed.
> I'm looking to provide an offsite backup service to my clients and I'd like
> to use Bacula as the product. (I love it for enterprise backups.)
> I have clients that would like, as part of their EDR, to send backups
> offsite to my company.  This is easily done by installing a bacula-fd
> client.
> However, I don't want to incur the overhead of a backup
> operator/administrator to service these requests.  I'd like the
> customer/client to be able to do this.  My question is whether I can
> configure bacula BAT or the Web interface to allow the client to only see
> his site's backups?  I don't want all customers to see all other customers'
> backups.
> Is there a way to do this?

There is ACL support in the client. However I am not too familiar with
that (and what it prevents access to) since I do not use it on my
network. You may want to use a separate database per client. That way
the client will only see their stuff. This however will make it harder
to manage your bacula volumes since I do not believe you can safely
use the same bacula database in more than one catalog.

John

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[Bacula-users] Fwd: Archive Devices not created

[John Drescher]

-- Forwarded message --
From: John Drescher 
Date: Fri, May 13, 2011 at 12:04 PM
Subject: Re: [Bacula-users] Archive Devices not created
To: Robert Kromoser 


On Fri, May 13, 2011 at 11:54 AM, Robert Kromoser
 wrote:
> Hi John.
>
> Yes it was configured using 127.0.0.1 on CBCK0001 see the hosts file:
>

What about the bacula-sd.conf?

John



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[Bacula-users] Client machine browsing only it's backups

[Paul Pathiakis]

Hi,

I'm new on the list and I don't know if this question has been addressed.

I'm looking to provide an offsite backup service to my clients and I'd like to 
use Bacula as the product. (I love it for enterprise backups.)

I have clients that would like, as part of their EDR, to send backups offsite 
to my company.  This is easily done by installing a bacula-fd client.

However, I don't want to incur the overhead of a backup operator/administrator 
to service these requests.  I'd like the customer/client to be able to do 
this.  My question is whether I can configure bacula BAT or the Web interface 
to allow the client to only see his site's backups?  I don't want all customers 
to see all other customers' backups.

Is there a way to do this?

Thank you,

Paul
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Re: [Bacula-users] Archive Devices not created

[John Drescher]

> 13-May 15:37 CBCK0001-dir JobId 4: Start Backup JobId 4,
> Job=CCRM0004_01_Backup_Full.2011-05-13_15.37.39_03
> 13-May 15:37 CBCK0001-dir JobId 4: Using Device "SugarCRM_CCRM0004_Full"
> 13-May 14:31 CCRM0004-fd JobId 4: Warning: bsock.c:128 Could not connect
> to Storage daemon on CBCK0001:9103. ERR=No route to host
> Retrying ...
> 13-May 14:37 CCRM0004-fd JobId 4: Warning: bsock.c:128 Could not connect
> to Storage daemon on CBCK0001:9103. ERR=No route to host
> Retrying ...

This is the problem. The client can not connect to the server. Do you
have a firewall or do you have 127.0.0.1 or localhost configured in
your bacula configs. Remember that using 127.0.0.1 or localhost
prevents bacula from working as a network backup program.

John

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Re: [Bacula-users] Archive Devices not created

[John Drescher]

2011/5/13 Robert Kromoser :
> Hi Everybody.
>
>
>
> I installed a new bacula 5.0.3 server on CentOS 5.5.
>
> In my configuration I use only disk backups.
>
> When I start a backup with bconsole run command, the volumes will be created
> in the catalog
>
> but won’t be created on the filesystem and the jobs are remaining with
> status R.
>

Does the bacula user have write access to your storage location on
your filesystem? That is assuming bacula-sd is running as user bacula
like it does on many linux operating systems.

John

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Re: [Bacula-users] Archive Devices not created

[John Drescher]

> Does the bacula user have write access to your storage location on
> your filesystem? That is assuming bacula-sd is running as user bacula
> like it does on many linux operating systems.
>

Also what do the messages say in the bacula console?

The output of

status dir

status st

and status client


would be helpful

John

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[Bacula-users] How does Bacula back-up files?

[obviously]

Thanks for the many replies guys! 
This helped my solving my problem.

Actually I was thinking this way aswell.

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Re: [Bacula-users] How does Bacula back-up files?

[Phil Stracchino]

On 05/13/11 08:32, obviously wrote:
> Hello,
> 
> I have a question I can't solve...
> 
> The is the situation:
> 
> I create a file with: dd if=/dev/urandom of=test.bin bs=10M count=300
> This gives me a file of 3GB.
> I check it's MD5 with md5sum test.bin
> 
> I clear my cache with echo 3 > /proc/sys/vm/drop_caches.
> 
> I check my chache with free -m.
> 
> I start a backup with Bacula of only 1 file, namely test.bin
> 
> Again, I flush the cache and when the back-up job is starting I remove the 
> test.bin file on the server.
> 
> And Bacula doens't react at all, it keeps backing up the file like it is 
> still there.
> 
> The backup finishes with no warnings, even it is removed during the backup.
> 
> I restore the test.bin file from tape and checks the md5 of it, and strangely 
> the md5sum is the same... 
> 
> So my question, how does Bacula do this? Cause I remove the file during the 
> backup and flush the cache frequently...
> 
> I hope you guys understand my q, my english is realy bad :) excuse me...


You haven't given enough information to answer the question.

For a single example, this is PRECISELY the behavior I would expect on
any client using a ZFS filesystem, in which all disk updates are
copy-on-write.  On ZFs, once Bacula (or anything else) starts reading a
file, it has a consistent view of the file until it closes it, even if
some other process modifies (or even erases) the file in the meantime.

For another:  On a Linux system, start a process writing random junk
data to a file.  (Say, dd a partition to a file on another partition.)
In another shell, delete the file.  Now, run 'lsof | grep deleted'.
You'll see the file still exists on disk, and is still being appended
to, even though marked as deleted.  Kill the process writing to it, so
that it gets closed, and it goes *poof*.


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Re: [Bacula-users] MaximumVolJobs not working!!!

[John Drescher]

On Fri, May 13, 2011 at 4:54 AM, Bacula  wrote:
> Hi Pedro,
>
>>   dolume Retention = 180 days
> This is should read "Volume Retention = 180 days"
>

If that is what is in the file. Use the bconsole commands

update "pool from resource"

then

update "all volumes in pool"

Again I am going from memory so the commands may be not exactly what I posted..

John

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[Bacula-users] Rif: How does Bacula back-up files?

[Ferdinando Pasqualetti]

Hello Obviously.
Obviously this is a standard linux (unix) behaviour. If you open a file 
its inode is associated with one process fd and it does not need to use 
the filename written in the directoty.
When you erase the file (rm, I suppose), you simply cat the name off the 
directory list, but the open fd continues to work. On file close the OS 
realizes the the use comunt of the file went to 0 and phisically delete it 
from disk, reusing the space.
Some applications use this feature for temporary files, opening them ad 
deleting immediatly. If the application stops for whatever reason no 
garbage remain around.

Regards,


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Da: obviously 
Per:bacula-users@lists.sourceforge.net
Data:   13/05/2011 14.48
Oggetto:[Bacula-users]  How does Bacula back-up files?



Hello,

I have a question I can't solve...

The is the situation:

I create a file with: dd if=/dev/urandom of=test.bin bs=10M count=300
This gives me a file of 3GB.
I check it's MD5 with md5sum test.bin

I clear my cache with echo 3 > /proc/sys/vm/drop_caches.

I check my chache with free -m.

I start a backup with Bacula of only 1 file, namely test.bin

Again, I flush the cache and when the back-up job is starting I remove the 
test.bin file on the server.

And Bacula doens't react at all, it keeps backing up the file like it is 
still there.

The backup finishes with no warnings, even it is removed during the 
backup.

I restore the test.bin file from tape and checks the md5 of it, and 
strangely the md5sum is the same... 

So my question, how does Bacula do this? Cause I remove the file during 
the backup and flush the cache frequently...

I hope you guys understand my q, my english is realy bad :) excuse me...

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Re: [Bacula-users] How does Bacula back-up files?

[Christian Manal]

Am 13.05.2011 14:32, schrieb obviously:
> Hello,
> 
> I have a question I can't solve...
> 
> The is the situation:
> 
> I create a file with: dd if=/dev/urandom of=test.bin bs=10M count=300
> This gives me a file of 3GB.
> I check it's MD5 with md5sum test.bin
> 
> I clear my cache with echo 3 > /proc/sys/vm/drop_caches.
> 
> I check my chache with free -m.
> 
> I start a backup with Bacula of only 1 file, namely test.bin
> 
> Again, I flush the cache and when the back-up job is starting I remove the 
> test.bin file on the server.
> 
> And Bacula doens't react at all, it keeps backing up the file like it is 
> still there.
> 
> The backup finishes with no warnings, even it is removed during the backup.
> 
> I restore the test.bin file from tape and checks the md5 of it, and strangely 
> the md5sum is the same... 
> 
> So my question, how does Bacula do this? Cause I remove the file during the 
> backup and flush the cache frequently...
> 
> I hope you guys understand my q, my english is realy bad :) excuse me...
> 

Hi,

"deleting" usually just unlinks a file. You don't see it in the
filesystem anymore but it is still physically on the disk. And AFAIK the
space it is consuming isn't released until the last file handle
accessing it (in this case bacula) is closed. So it's nothing bacula
specific.


Regards,
Christian Manal

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Re: [Bacula-users] How does Bacula back-up files?

[Ben Walton]

Excerpts from obviously's message of Fri May 13 08:32:05 -0400 2011:

> So my question, how does Bacula do this? Cause I remove the file
> during the backup and flush the cache frequently...

Bacula holds the file open so even though it's removed as far as other
processes are concerned[1], the kernel doesn't free it until the
reference count drops to 0 (eg: when bacula calls fclose()).  These
are standard unix/posix filesystem semantics.

If you were to run lsof -p $pidofbacula-fd, you'd seen an entry for
that file with '(deleted)' beside it.

Flushing the cache won't affect this.

Thanks
-Ben

[1] On many systems it is possible to restore this file as long as
some process holds it open:

http://prefetch.net/blog/index.php/2009/02/25/how-to-undelete-any-open-deleted-file-on-linux-solaris/
--
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Re: [Bacula-users] How does Bacula back-up files?

[Konstantin Khomoutov]

On Fri, 13 May 2011 05:32:05 -0700
obviously  wrote:

> I have a question I can't solve...
> 
> The is the situation:
> 
> I create a file with: dd if=/dev/urandom of=test.bin bs=10M count=300
> This gives me a file of 3GB.
> I check it's MD5 with md5sum test.bin
> 
> I clear my cache with echo 3 > /proc/sys/vm/drop_caches.
> 
> I check my chache with free -m.
> 
> I start a backup with Bacula of only 1 file, namely test.bin
> 
> Again, I flush the cache and when the back-up job is starting I
> remove the test.bin file on the server.
> 
> And Bacula doens't react at all, it keeps backing up the file like it
> is still there.
> 
> The backup finishes with no warnings, even it is removed during the
> backup.
> 
> I restore the test.bin file from tape and checks the md5 of it, and
> strangely the md5sum is the same... 
> 
> So my question, how does Bacula do this? Cause I remove the file
> during the backup and flush the cache frequently...
> 
> I hope you guys understand my q, my english is realy bad :) excuse
> me...

On POSIX, any file descriptor representing an opened file is treated
by the OS kernel as a link to that file's data, so when you remove a
file which is opened by at least one process, the unlink() syscall
results in removing that file's entry from the directory it was located
in, but the file's inode and hence its data are still on disk until the
file is closed and the last reference to it is hence lost.

This idiom is even used to create temporary files: a process creates
a temporary file using mkstemp() or something like this and them
immediately removes this file while still keeping a file descriptor on
it.

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Re: [Bacula-users] How does Bacula back-up files?

[Graham Keeling]

On Fri, May 13, 2011 at 05:32:05AM -0700, obviously wrote:
> Hello,
> 
> I have a question I can't solve...
> 
> The is the situation:
> 
> I create a file with: dd if=/dev/urandom of=test.bin bs=10M count=300
> This gives me a file of 3GB.
> I check it's MD5 with md5sum test.bin
> 
> I clear my cache with echo 3 > /proc/sys/vm/drop_caches.
> 
> I check my chache with free -m.
> 
> I start a backup with Bacula of only 1 file, namely test.bin
> 
> Again, I flush the cache and when the back-up job is starting I remove the 
> test.bin file on the server.
> 
> And Bacula doens't react at all, it keeps backing up the file like it is 
> still there.
> 
> The backup finishes with no warnings, even it is removed during the backup.
> 
> I restore the test.bin file from tape and checks the md5 of it, and strangely 
> the md5sum is the same... 
> 
> So my question, how does Bacula do this? Cause I remove the file during the 
> backup and flush the cache frequently...
> 
> I hope you guys understand my q, my english is realy bad :) excuse me...

I would have thought that it is because the space isn't really reclaimed until
all open file descriptors are closed. Repeat the experiment and run 'df' at
these times (assuming that bacula is saving to a different filesystem):

a) before the file is created
b) after the file is created, while bacula is backing it up
c) after the file is deleted, before bacula is finished
d) after bacula has finished


a) will have low space usage
b) will have higher space usage
c) will have the same as (b)
d) will have the same as (a)



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[Bacula-users] How does Bacula back-up files?

[obviously]

Hello,

I have a question I can't solve...

The is the situation:

I create a file with: dd if=/dev/urandom of=test.bin bs=10M count=300
This gives me a file of 3GB.
I check it's MD5 with md5sum test.bin

I clear my cache with echo 3 > /proc/sys/vm/drop_caches.

I check my chache with free -m.

I start a backup with Bacula of only 1 file, namely test.bin

Again, I flush the cache and when the back-up job is starting I remove the 
test.bin file on the server.

And Bacula doens't react at all, it keeps backing up the file like it is still 
there.

The backup finishes with no warnings, even it is removed during the backup.

I restore the test.bin file from tape and checks the md5 of it, and strangely 
the md5sum is the same... 

So my question, how does Bacula do this? Cause I remove the file during the 
backup and flush the cache frequently...

I hope you guys understand my q, my english is realy bad :) excuse me...

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[Bacula-users] SHA1 digest warning on Copy Jobs

[Rodrigo Renie Braga]

Hello list.

I'm receiving theses error messages when executing a Copy Job:

13-Mai 03:42 dir.ptibacula-dir JobId 4957: Warning: Got SHA1 digest but not
> same File as attributes
>

This message is repeating A LOT, like 2000 times PER MINUTE, but it only
started a long time after the Copy Job started, until finally the Copy Job
ends with an error:

 13-Mai 04:10 dir.ptibacula-dir JobId 4954: Error: Bacula dir.ptibacula-dir
> 5.0.3 (30Aug10): 13-Mai-2011 04:10:56
>   Build OS:   i686-redhat-linux-gnu redhat
>   Prev Backup JobId:  4248
>   Prev Backup Job:job.ptihome.2011-05-01_01.00.03_40
>   New Backup JobId:   4955
>   Current JobId:  4954
>   Current Job:job.ptihome.copyFull.2011-05-12_11.45.36_03
>   Backup Level:   Full
>   Client: client.ptihome
>   FileSet:"fs.default" 2011-03-01 10:33:05
>   Read Pool:  "pool.full.muitoalto" (From Job resource)
>   Read Storage:   "st.tpc" (From Pool resource)
>   Write Pool: "pool.full.copy" (From Job Pool's NextPool
> resource)
>   Write Storage:  "st.tpb" (From Storage from Pool's NextPool
> resource)
>   Catalog:"cat.default" (From Client resource)
>   Start time: 12-Mai-2011 11:47:42
>   End time:   13-Mai-2011 04:10:56
>   Elapsed time:   16 hours 23 mins 14 secs
>   Priority:   10
>   SD Files Written:   1,068,419
>   SD Bytes Written:   2,407,240,618,079 (2.407 TB)
>   Rate:   40804.8 KB/s
>   Volume name(s):
> 31L3|32L3|33L3|34L3|35L3|36L3
>   Volume Session Id:  697
>   Volume Session Time:130310
>   Last Volume Bytes:  318,979,584,000 (318.9 GB)
>   SD Errors:  0
>   SD termination status:  Running
>   Termination:*** Copying Error ***
>

Any important config file you can get in this link:
http://pastebin.ca/2058115

What's going on? Should I change the signature option in my FilSet to use
other than SHA1?

Thanks!
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[Bacula-users] Archive Devices not created

[Robert Kromoser]

Hi Everybody.

 

I installed a new bacula 5.0.3 server on CentOS 5.5.

In my configuration I use only disk backups.

When I start a backup with bconsole run command, the volumes will be
created in the catalog

but won't be created on the filesystem and the jobs are remaining with
status R.

Does anyone why?

 

br Robert

 

 

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Re: [Bacula-users] Questions regarding migration job failure

[Martin Simmons]

> On Thu, 12 May 2011 09:58:14 -0700, Jerry Lowry said:
> 
> thanks for the help.  Looks like I have some digging to do to figure out 
> what is actually happening.  I know that I one time I had some problems 
> with the raid controller.  I have since gotten that resolved.
> 
> If the volume has been recycled will the corruption remain with the 
> volume or will it go by the wayside once the volume recycles?  Just 
> curious as to whether I should drop the corrupt volumes ( files ) and 
> create new ones.

I would consider reformatting the whole partition -- if the raid controller
was corrupting things, then there is no way to be sure that the filesystem is
OK.

__Martin

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Re: [Bacula-users] MaximumVolJobs not working!!!

[Bacula]

Hi Pedro,

>   dolume Retention = 180 days
This is should read "Volume Retention = 180 days"

Regards,
Armin

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Re: [Bacula-users] MaximumVolJobs not working!!!

[Jeremy Maes]

Op 12/05/2011 0:39, pedro moreno schreef:
> Hi.Want to understand why bacula 5.0.2 don't want to use my tape until it 
> reach the MaximumVolJobs.
...
> Pool {
>   Name = CompanyDiffTape
>   Pool Type = Backup
>   Use Volume Once = no
>   Maximum Volume Jobs = 72
>   Maximum Volume Files = 0
>   Maximum Volume Bytes = 0
>   Volume Use Duration = 0
>   Catalog Files = yes
>   Recycle = yes
>   AutoPrune = yes
>   dolume Retention = 180 days
Not sure if this is really relevant to the problem, but it says "dolume" 
instead of "Volume" here. Default Vol Retention should be a year tho ...
>   Label Format = TapeDiff-
> }
>
> U can see that I want to have 72 jobs on each tape and save the tape
> for 180 days.
As John already mentioned, run a

list media pool=YourPoolName

and check the output. It will list Volume retention for all volumes in the pool 
(in seconds) amongst other things. Make sure it's the set 180d and not 
something like 7d.

Regards,
Jeremy





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Re: [Bacula-users] Questions regarding migration job failure

[Graham Keeling]

On Thu, May 12, 2011 at 09:58:14AM -0700, Jerry Lowry wrote:
> thanks for the help.  Looks like I have some digging to do to figure out  
> what is actually happening.  I know that I one time I had some problems  
> with the raid controller.  I have since gotten that resolved.
>
> If the volume has been recycled will the corruption remain with the  
> volume or will it go by the wayside once the volume recycles?  Just  
> curious as to whether I should drop the corrupt volumes ( files ) and  
> create new ones.

The corruption will definitely remain with the volume if you don't recycle it.

Bacula truncates the volumes when it recycles them, which means that the area
of the disk on which the problem occurred is free to be used by anything.

So if the problem is to do with bad areas of disk, then it could hit you again
at any time. Therefore not truncating them could avoid the problem since the
bad space is contained in a volume that you are not going to use again.

But if the problem is because of bacula itself corrupting the volume, it could
happen again at any time anyway, so truncating them isn't going to make any
difference.

> On 5/12/2011 12:31 AM, Graham Keeling wrote:
>> On Wed, May 11, 2011 at 02:06:44PM -0700, Jerry Lowry wrote:
>>> another mistake on my part.  You have to give bls the correct spelling
>>> of the volume ( sometimes I wonder )
>>>
>>> Once I corrected the volume name this is the results I get:
>>>
>>> Volume Record: File:blk=0: 206 Sessid=16 SessTime=1303843290 Jobid=3
>>> DataLen=171
>>> 11-May 13:42 bls JobId 0: Error: block.c:318 Volumne data error at 0:206!
>>> Block checksum mismatch in block=6010112 len=64512: calc=c6a6912d
>>> blk=50a7d773
>> Well, that's the problem right there.
>> Your migration doesn't work when volumes that are not corrupted are being 
>> read.
>>
>> As to how your volumes got corrupted, that's a much harder question.
>>
>> If it were me, I would start everything from scratch, and after every backup
>> run your 'bls' command on any volume that changed. This will let you catch
>> the problem just after it happened, and you might be able to spot anything
>> strange that happened before that.
>>
>> (assuming that it is a bacula bug, rather than you having a disk or a file
>> system problem)
>>
>>> I ran this again with debug at level 200. I have attached the file with
>>> the output.
>>>
>>> thanks for all your help!
>>>
>>> On 5/11/2011 12:11 PM, Jerry Lowry wrote:
 Hi,

 No, the migration job is occurring on the same storage daemon.  This
 storage daemon has 6 raid devices setup as jbod, 3 are for daily use
 and 3 are setup as hotswap devices for off-site backups.  The problem
 is when I run bls on the storage daemon where the disks are located I
 get a message asking me to mount the disk, which is already mounted
 according to the director, as well as being mounted by the OS.



 On 5/11/2011 11:26 AM, Phil Stracchino wrote:
> On 05/11/11 13:48, Jerry Lowry wrote:
>> Ok, I am trying to run bls on the specified volume file that is
>> associated with this job. But the problem I am having is that bls is
>> failing trying to stat the device.
>>
>> I have one director and two storage directors.  The volume I am trying
>> to run against is on the second SD.  Do I run bls on the system where
>> the 'director' is or on the system thats running the stand alone 'sd'
>> where the volume is located?
> Jerry,
> If I'm understanding you correctly, you have two storage daemons, and
> you're trying to do a migration from a device on one SD to a device on
> the other.  Is this correct?
>
> If this understanding is correct, sorry, it won't work.  Copy and
> migration can currently only be done between devices controlled by the
> same SD.  (This is in large part a result of there being no current
> capability for direct communication between one storage daemon and 
> another.)
>
>
 -- 

 ---
 Jerold Lowry
 IT Manager / Software Engineer
 Engineering Design Team (EDT), Inc. a HEICO company
 1400 NW Compton Drive, Suite 315
 Beaverton, Oregon 97006 (U.S.A.)
 Phone: 503-690-1234 / 800-435-4320
 Fax: 503-690-1243
 Web: _www.edt.com_



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