| To: | xfs@xxxxxxxxxxx |
|---|---|
| Subject: | Interrupted xfsdump Resume Behaviour for Regular Dump File |
| From: | Gim Leong Chin <chingimleong@xxxxxxxxxxxx> |
| Date: | Sun, 20 Nov 2011 21:14:18 +0800 (SGT) |
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Hi, I have observed this since some time back. I have just done an experiment. 1) Using xfsdump 3.0.6, I first did a full dump to regular file and restore, checked that every thing is correct. 2) I then did the same dump again, but interrupted it. Then I resumed the dump. I noted that the resumed dump file is the exact same size as the full dump file. 3) First I did a cumulative restore, with the interrupted dump file, followed by the resumed dump file. I checked that the restore is correct. 4) I then did a non-cumulative restore, using only resumed dump file. The resume is successful, and I checked that the restore is correct. The logs are attached. The conclusion is that the so-called resume of an interrupted dump session to regular file produces a full dump file, that is sufficient by itself to do the full restore. Are my observations of the behaviour of xfsdump correct? Everything was done on openSUSE 11.4 x86_64. GL
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