On Fri, 17 May 2002, Brook Hurd wrote:
>I am about to change my 20 tape backup process from 8 gig tapes to 24
>gig tapes. I would appreciate anyone's insite on this process. Any
>insites, warnings, or instructions would be greatly appreciated.
I would create a temporary testing configuration to make sure your
tapetype for those 24gig tapes works right. You can give all the new
24gig tapes identical labels to your old 8gig tapes with 'amlabel -f'.
Then I'd probably wait until the end of a tapecycle and just flip
tapetype over in the amanda.conf. Planner should automatically start
recalculating its runs based on the increased tape size and amdump
should accept the 24gig tapes provided they have the same labels. Each
day amanda will think it is overwriting one of your old 8gig tapes. By
the end of the tapecycle you should be in good shape. You absolutely
must keep the 8gig tapes around until at least the end of your tapecycle
though in case you need to restore off of them. Restoring off of a mix
of 8 and 24 gig tapes should not cause a problem provided you know which
8 gig tapes have been replaced and which are still in the cycle. This
is the main reason for waiting for the end up of a tapecycle before
making the switch, it's easier to mentally keep track of what's been
replaced so far if it correlates numerically.
HTH,
--
Brandon D. Valentine <[EMAIL PROTECTED]>
Computer Geek, Center for Structural Biology
"This isn't rocket science -- but it _is_ computer science."
- Terry Lambert on [EMAIL PROTECTED]
