Hi,
> It would be far quicker to find the files I needed
> and it means I can do this search without interfering with the daily
> backups which are using the same drive. By the way, the CCTV isn't on 100%
> of the time, so having said that the files might not be present and/or the
> filenames not exact, hence the need to browse the volumes.
Bacula stores file details in two ways.
- In the catalog, indexed by JobId (which in turn is linked to a Volume via the
VolumeMedia table). These records are held as long as the File Retention
period. If you need to restore a file from a fixed date you can use one of the
options in the "restore" bconsole command which will ultimately give you a list
of files contained within the backup for you to mark and restore.
You can also use two "query" commands from the example query.sql file shipped
with Bacula, #14 "List Jobs stored for a given Volume name" and #12 "List Files
for a selected JobId" as an alternative to using the "restore" command.
Once the file retention time is reached these records are purged from the
database and you'll have to restore the entire backup to retrieve the files, or
us "bls" to list the individual volume contents.
- Within the backup volume itself as a header right before the file contents.
"bls" will scan through the entire volume, collecting the file records and then
present you with an "ls -l" like output. You need the volumes for this
operation because it has to physically read the entire volume.
"bls" and the related "bextract" are a lower-level tools intended for data
recovery outside of typical day-to-day usage of Bacula. You will likely need to
stop your Bacula-sd daemon in order to run them which can also be inconvenient.
Regards,
Ben Roberts
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