Re: [BackupPC-users] access backups created by different server

[Holger Parplies]

Hi,

Michele Zarri wrote on 2016-09-08 22:20:32 +0100 [Re: [BackupPC-users] access 
backups created by different server]:
> > On 08/09/16 02:37, Michele Zarri wrote:
> >> [...]
> >> /usr/share/backuppc/bin/BackupPC_tarCreate: bad backup number 224 for
> >> host localhost
> >> [...]
> I found out that the issue was relatively trivial: the file "backups" in 
> the root localhost (/var/lib/backuppc/pc/localhost/backups) was 
> overwritten when backuppc was reinstalled so that it only had one entry.
> 
> I guess it could be possible to re-build the previous backups using the 
> file backupInfo within each backup but it is too much work.

really? As in

su - backuppc
/usr/share/backuppc/bin/BackupPC_fixupBackupSummary

? Admitted, you might need to delete the single entry from the backups file
first, but it will probably work equally well if you don't. Why is there an
entry anyway? Does your distribution ship BackupPC with an initial backup
for localhost? ;-)

> Instead I renamed the last directory with a full backup (in my case 224) 
> 0 and I was back in action.

Well, yes, but you lose your backup history, and you'll probably run into
problems when you try to do backups ...

Regards,
Holger

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Re: [BackupPC-users] access backups created by different server

[Michele Zarri]

On 08/09/16 00:06, Adam Goryachev wrote:
> On 08/09/16 02:37, Michele Zarri wrote:
>> Hello,
>>
>> Is it possible to access backups created with a different machine?
>>
>> My backuppc server died, but /var/lib/backuppc was on a different disk
>> so I still have full backups of localhost.
>> Ideally I would like to restore the full system but it would already be
>> very good to recover the mysql databases and selected system
>> configuration files.
>>
>> I reinstalled ubuntu, reinstalled backuppc, relinked /var/lib/backuppc but
>> - No joy with the GUI (old backups do not show)
>> - No joy using the command line.
>>
>> (as backuppc user)
>> $ /usr/share/backuppc/bin/BackupPC_tarCreate -h localhost -n 224 -s '/'
>> /var/lib/mysql > /tmp/dbs.tar
>> /usr/share/backuppc/bin/BackupPC_tarCreate: bad backup number 224 for
>> host localhost
>>
>> - BackupPC_zcat works but I have not figured out how to restore
>> user:group and permissions
>>
>> Is there a way to get the GUI to read the backups (I am lazy)? If not is
>> there a way to trick BackupPC_tarCreate?
>>
>> Note that when I re-installed backuppc it probably wrote new files in
>> /var/lib/backuppc/pc/ and I do not have backups of those.
> It would help if you provided the error messages you get with the gui in
> the logs...
> However, my guess is that the userid/groupid for the new install doesn't
> match the old. You have two choices:
> 1) Uninstall backuppc, remove the user/group backuppc, manually create
> the user/group backuppc but make sure you match the userid/groupid on
> the files in /var/lib/backuppc
> 2) Re-mount /var/lib/backuppc and map all existing files to the new
> userid/groupid that the backuppc user has.
>
> Another possibility, you need to re-create the config files and/or hosts
> file The contents probably don't matter a lot, as long as the
> hostnames match the old ones (see /var/lib/backuppc/pc/ for the right
> names).
>
> Hope that helps
>
> Regards,
> Adam
>
Thanks guys,

I found out that the issue was relatively trivial: the file "backups" in 
the root localhost (/var/lib/backuppc/pc/localhost/backups) was 
overwritten when backuppc was reinstalled so that it only had one entry.

I guess it could be possible to re-build the previous backups using the 
file backupInfo within each backup but it is too much work.
Instead I renamed the last directory with a full backup (in my case 224) 
0 and I was back in action.

So the (partial) solution was simply:
mv /var/lib/backuppc/pc/localhost/0 
/var/lib/backuppc/pc/localhost/0.original
mv /var/lib/backuppc/pc/localhost/224 /var/lib/backuppc/pc/localhost/0



Regards,

Michele



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Re: [BackupPC-users] access backups created by different server

[Micha Kersloot]

Hi,

the configuration is in /etc/backuppc there is a hosts file which defines the 
active hosts. It could be enough to add the host you wish to restore to this 
file.

Met vriendelijke groet, 
Micha Kersloot 

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E mi...@kovoks.nl 
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KvK 1104

- Oorspronkelijk bericht -
> Van: "Michele Zarri" <m.za...@gmail.com>
> Aan: backuppc-users@lists.sourceforge.net
> Verzonden: Woensdag 7 september 2016 18:37:42
> Onderwerp: [BackupPC-users] access backups created by different server

> Hello,
> 
> Is it possible to access backups created with a different machine?
> 
> My backuppc server died, but /var/lib/backuppc was on a different disk
> so I still have full backups of localhost.
> Ideally I would like to restore the full system but it would already be
> very good to recover the mysql databases and selected system
> configuration files.
> 
> I reinstalled ubuntu, reinstalled backuppc, relinked /var/lib/backuppc but
> - No joy with the GUI (old backups do not show)
> - No joy using the command line.
> 
> (as backuppc user)
> $ /usr/share/backuppc/bin/BackupPC_tarCreate -h localhost -n 224 -s '/'
> /var/lib/mysql > /tmp/dbs.tar
> /usr/share/backuppc/bin/BackupPC_tarCreate: bad backup number 224 for
> host localhost
> 
> - BackupPC_zcat works but I have not figured out how to restore
> user:group and permissions
> 
> Is there a way to get the GUI to read the backups (I am lazy)? If not is
> there a way to trick BackupPC_tarCreate?
> 
> Note that when I re-installed backuppc it probably wrote new files in
> /var/lib/backuppc/pc/ and I do not have backups of those.
> 
> Cheers,
> 
> Michele
> 
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Re: [BackupPC-users] access backups created by different server

[Adam Goryachev]

On 08/09/16 02:37, Michele Zarri wrote:
> Hello,
>
> Is it possible to access backups created with a different machine?
>
> My backuppc server died, but /var/lib/backuppc was on a different disk
> so I still have full backups of localhost.
> Ideally I would like to restore the full system but it would already be
> very good to recover the mysql databases and selected system
> configuration files.
>
> I reinstalled ubuntu, reinstalled backuppc, relinked /var/lib/backuppc but
> - No joy with the GUI (old backups do not show)
> - No joy using the command line.
>
> (as backuppc user)
> $ /usr/share/backuppc/bin/BackupPC_tarCreate -h localhost -n 224 -s '/'
> /var/lib/mysql > /tmp/dbs.tar
> /usr/share/backuppc/bin/BackupPC_tarCreate: bad backup number 224 for
> host localhost
>
> - BackupPC_zcat works but I have not figured out how to restore
> user:group and permissions
>
> Is there a way to get the GUI to read the backups (I am lazy)? If not is
> there a way to trick BackupPC_tarCreate?
>
> Note that when I re-installed backuppc it probably wrote new files in
> /var/lib/backuppc/pc/ and I do not have backups of those.

It would help if you provided the error messages you get with the gui in 
the logs...
However, my guess is that the userid/groupid for the new install doesn't 
match the old. You have two choices:
1) Uninstall backuppc, remove the user/group backuppc, manually create 
the user/group backuppc but make sure you match the userid/groupid on 
the files in /var/lib/backuppc
2) Re-mount /var/lib/backuppc and map all existing files to the new 
userid/groupid that the backuppc user has.

Another possibility, you need to re-create the config files and/or hosts 
file The contents probably don't matter a lot, as long as the 
hostnames match the old ones (see /var/lib/backuppc/pc/ for the right 
names).

Hope that helps

Regards,
Adam

-- 
Adam Goryachev Website Managers www.websitemanagers.com.au

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Re: [BackupPC-users] access backups created by different server

[David Trebacz]

As I remember almost all settings are stored in the .conf file. Here is 
a blog post when I needed to move the pool a few years ago...


http://blog.trebacz.com/2009/10/my-weekend-linux-maintenance-activities.html

It has a link to the SourceForge thread that I found helpful also. Great 
think is backuppc hasn't changed much since then...


*David Trebacz*

David Trebacz Profile Picture

www.linkedin.com/in/trebacz 

Email:da...@trebacz.com 

Mobile: 815-529-2638

On 09/07/2016 09:37 AM, Michele Zarri wrote:

Hello,

Is it possible to access backups created with a different machine?

My backuppc server died, but /var/lib/backuppc was on a different disk
so I still have full backups of localhost.
Ideally I would like to restore the full system but it would already be
very good to recover the mysql databases and selected system
configuration files.

I reinstalled ubuntu, reinstalled backuppc, relinked /var/lib/backuppc but
- No joy with the GUI (old backups do not show)
- No joy using the command line.

(as backuppc user)
$ /usr/share/backuppc/bin/BackupPC_tarCreate -h localhost -n 224 -s '/'
/var/lib/mysql > /tmp/dbs.tar
/usr/share/backuppc/bin/BackupPC_tarCreate: bad backup number 224 for
host localhost

- BackupPC_zcat works but I have not figured out how to restore
user:group and permissions

Is there a way to get the GUI to read the backups (I am lazy)? If not is
there a way to trick BackupPC_tarCreate?

Note that when I re-installed backuppc it probably wrote new files in
/var/lib/backuppc/pc/ and I do not have backups of those.

Cheers,

Michele

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[BackupPC-users] access backups created by different server

[Michele Zarri]

Hello,

Is it possible to access backups created with a different machine?

My backuppc server died, but /var/lib/backuppc was on a different disk 
so I still have full backups of localhost.
Ideally I would like to restore the full system but it would already be 
very good to recover the mysql databases and selected system 
configuration files.

I reinstalled ubuntu, reinstalled backuppc, relinked /var/lib/backuppc but
- No joy with the GUI (old backups do not show)
- No joy using the command line.

(as backuppc user)
$ /usr/share/backuppc/bin/BackupPC_tarCreate -h localhost -n 224 -s '/' 
/var/lib/mysql > /tmp/dbs.tar
/usr/share/backuppc/bin/BackupPC_tarCreate: bad backup number 224 for 
host localhost

- BackupPC_zcat works but I have not figured out how to restore 
user:group and permissions

Is there a way to get the GUI to read the backups (I am lazy)? If not is 
there a way to trick BackupPC_tarCreate?

Note that when I re-installed backuppc it probably wrote new files in 
/var/lib/backuppc/pc/ and I do not have backups of those.

Cheers,

Michele

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