El lunes 07 de enero a las 12:06:50 CET, Greg Byshenk escribió: > > # file /.snap/now > > /.snap/now: Unix Fast File system [v2] (little-endian) last mounted on > > /, last written at Sun Jan 6 16:24:19 2008, clean flag 1, readonly flag > > 1, number of blocks 130721, number of data blocks 126520, number of > > cylinder groups 4, block size 16384, fragment size 2048, average file > > size 16384, average number of files in dir 64, pending blocks to free 0, > > pending inodes to free 0, system-wide uuid 0, minimum percentage of free > > blocks 8, TIME optimization > > Ok, so it looks like your /.snap/now snapshot actually exists, and is being > made, so it looks like the command > > # mount -u -o snapshot /.snap/now / > > is actually working. (So ignore the rest of what I said last time...) > > > I've just played with this a bit myself (I'm no expert, but I use snapshots > currently with 6-STABLE and want to know about any future problems), and I > can reproduce the problem (7.0-PRERELEASE as of 2 Jan 2008). I see the same > sort of errors as you report, and they cannot be cleared even by removing > the snapshot file and restarting nfsd/mountd. The only solution appears to > be to remove the snapshot and restart the machine. I can see how this might > be a bit inconvenient. > > That said, there appears to be a problem with using the > > # mount -u -o snapshot <snapshot> <filesystem> > > form of the command. > > The problem does _not_ occur (at least in my test) if you use the the > > # mksnap_ffs <filesystem> <snapshot> > > command. Can you try taking a snapshot using mksnap_ffs?
Yes, as I have explained in my first post. Taking the snapshot with mksnap_ffs has no problem at all. > > If mksnap_ffs works, while 'mount -u -o' fails, then it looks like a bug... > Yes, I think so. The annoying fact is that I am using the sysutils/freebsd-snapshot port to take periodic snapshots and it executes mount -u -o snapshot <snapshot> <filesystem> to make the snapshots instead of mksnap_ffs <filesystem> <snapshot>. Best regards
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