On Friday 17 October 2008 17:37:00 Graham Keeling wrote: > Hello, > Going back a couple of months, there was this short exchange: > > On Fri, Aug 15, 2008 at 10:49:50AM +0200, Kern Sibbald wrote: > > On Friday 15 August 2008 10:36:36 Graham Keeling wrote: > > > It would be nice if it did let you read/write to the same storage if it > > > were possible - as it is in my case, as I am exclusively using > > > disk-based storage. > > > > Unfortunately it is not possible to read and write to the same device, > > because on a tape it is just impossible, and on a disk, it requires two > > I/O packets. > > > > The above said, it is possible to read and write to the same disk > > directory providing the volumes are different. This is most easily > > accomplished by using something such as the virtual disk changer > > (disk-changer script), which provides two or more virtual drives. It is > > probably also possible by using the virtual disk device, which is a sort > > of automatic disk changer, but I don't use that code, so I hesitate to > > recommend it. > > I've been trying to get the disk-changer script to work for me, looking at > the virtual backup regression tests for clues. > > Unless I'm wrong, it seems that you can't just schedule jobs and let it get > on with it, filling up the slots with data and switching between them, as > you have to manually enter commands to load, unload and label the slots.
No, it is totally automatic. > > I've also tried to find out what you mean by 'the virtual disk device', but > I'm not able to find anything. Is there any documentation about this > anywhere? At the top of the disk-changer script. > > Thanks for any help, > Graham. > > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's > challenge Build the coolest Linux based applications with Moblin SDK & win > great prizes Grand prize is a trip for two to an Open Source event anywhere > in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Bacula-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/bacula-devel ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Bacula-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/bacula-devel
