Re: [Bacula-users] Disk volume management - catalog<>disk discrepencies
2010-05-18 06:26:19
>> I've been having a lot of problems with Bacula's disk volume management
>> over time. Most issues seem to stem from cases where the catalog gets
>> out of sync with the file system, like:
>>
>> - Volume inserted into catalog, creation of file on disk fails, volume
>> remains in catalog
>>
>> - Write to volume fails, resulting in volume that's shorter on disk than
>> the catalog thinks it should be because the catalog is updated with
>> the *expected* size assuming the write is successful. Further backups
>> try to use this volume and fail. Restores from this volume fail. ARgh!
>
> If the disk/array was full the bacula volume should have been marked
> full when no space is left on the device. After the volume is marked
> full then it should not have been used for additional backups.
>
>>
>> The latest issue is another catalog<>disk discrepency. At some point
>> Bacula seems to have failed to create some auto-labeled volumes, but has
>> still inserted them into the catalog. This might've been due to a
>> transient disk-full situation, but it's truly hard to know.
>>
>
> You need to prevent the disk from filling up completely.
>
Also is your database on the same filesystem as your disk volumes?
This could cause serious problems in a disk full situation.
John
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