Amanda, separable but related problems, cross architecture.
2009-07-03 12:02:18
I am perfroming dump from Solaris 10 x86, using amanda 2.6.1
to an SL24/LTO4.
The following is cronological, some of the issues are separable.
The particular client with the issue is a MAC server with over
250Gig of data.
The dumps where taking a _lot_ time, so I tried to divide the DLE
into 2 separate DLEs. Of of those was still large, so I tried to
divide it into 2 again.
Rather than dumping /, I was dumping /Users and /trel, trel was _large_
over 250 gig by itself.
trel:/trel cssadmin$ ls
Active Staff Folders Funded Programs Quality Assurance
Applications Graphpad References
Archived Studies Images Research Studies
Archives LINC Temporary Items
DRC+ PE07 Blood Lab Operations Trace Elements
DRCII PE10 Urine Lead Poisoning Trash
DRCII PE12 Research NYS PT Program
External PT
I attempted the following in the disklist
trel /Users comp-user-tar
#trel /trel user-tar
trel /trelAM /trel {
comp-user-tar
exclude "[N-Z]*"
}
trel /trelNZ /trel {
comp-user-tar
exclude "[A-M]*"
}
Which naturally, since there where 'new' DLEs attempted level 0 dumps
on both.
However the combined for the two new DLEs was not the expected 250G but
only about 50 Gig.
I wanted to look at the dumps from the tape, since I don't keep indexes
online, which is very time consuming...
Since this is a cross architecture issue, I thought I would simply
restore the DLEs in question in their entirety and worry about how
to read them after (no problem cross mounting the partition with NFS).
However, I was unable to bring the DLE back.
> amrestore /dev/rmt/0n trel
amrestore: 7: skipping FILE: date 20090702183001 host nlascar disk /boot lev 1
comp .gz program /sbin/dump
amrestore: 8: restoring FILE: date 20090702183001 host trel disk /Users lev 1
comp .gz program /usr/bin/xtar
I was just trying to restore the tar-ball, not unpack the files, this
had been the behavior I was familiar with.
Assuming the addition of compression was an issue I ran a new set of
dumps, just of this client, after removing compression from the disklist
entry for these partitions. The results where the same.
I don't see any switches on amrestore to restore the behavior I was
expecting, I do not believe the -r (raw) switch does what I want, based
on the description (and on a failed trial).
So, in summary, I believe I have 1) a miscoded exclude in the DLE
2) a behavior change in amrestore.
Thanks in advance for you assistance,
Brian
---
Brian R Cuttler brian.cuttler AT wadsworth DOT org
Computer Systems Support (v) 518 486-1697
Wadsworth Center (f) 518 473-6384
NYS Department of Health Help Desk 518 473-0773
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