On Friday 16 December 2005 23:07, Josh Fisher wrote:
> Kern Sibbald wrote:
> >On Tuesday 13 December 2005 18:06, Dan Langille wrote:
> >>On 13 Dec 2005 at 16:51, Kern Sibbald wrote:
> >>>Anyway, concerning Bacula working with these USB removable filesystems.
> >>>The big problem is that Bacula doesn't understand what a removable
> >>>filesystem is (except for DVDs) and hence expects *all* your Volumes to
> >>>be online all the time.
> >>
> >>This makes me think about volumes being offlines in a tape drive...
> >
> >Yes, sort of, but for me, it is a bit more like multiple magazines in an
> >autochanger ... I'm thinking about using the InChanger flag on removable
> >media, but well that is something to do while I am on vacation in January
> > ...
>
> My plan for tinkering with USB drives with bacula (in FC4) is to
> automount specific USB drives at unique mountpoints using udev, hal, and
> fstab-sync. If a particular USB drive will always be mounted at a
> particular mountpoint, then an SD device can be defined for each USB
> drive and there is a known directory to use as the "Archive Device".
> Otherwise, when using multiple USB drives of the same type their
> mountpoints, and indeed their /dev entries, will depend upon the order
> in which they are plugged in.
>
> I think this will allow bacula to use the USB drives as disk storage
> devices without any modifications to bacula, except for one problem.
> Assume volumes on the USB drive are forced to be manually created. What
> does bacula do when it gets a "file not found" error attempting to open
> an existing volume because the USB drive is not plugged in? If it asks
> for the volume to be mounted, then all is well and bacula will work out
> of the box. You plug in the USB drive containing the requested volume,
> the drive is automagically mounted at it's unique mountpoint, and
> bacula should find it, right?
Most likely it will mark the Volume in the catalog with status "Error" so it
will not be used again.
--
Best regards,
Kern
(">
/\
V_V
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