cd ~
dump -0af - /dev/someVG/sourceFS | ( cd /mnt/newFS; restore -rf - ~/newFS )
This runs for a few minutes, and results in a broken pipe. After which, at least some fragments of the filesystem have been restored on the destination filesystem. At least some directories.
cd /mnt/newFS
dump -0af - /dev/someVG/sourceFS | restore -rf -
This works fine.
cd ~
dump -0af somefile /dev/someVG/sourceFS
cd /mnt/newFS
restore -rf ~/newFS
Source and destination filesystems are ext3, 194G and 857G. Destination filesystem is created with simply default mkfs.ext3. There are only approx.
200M used in the source filesystem, of which, there's no particularly huge directory or number of inodes or anything unusual... I forced the fsck, and it came back clean.
My only guess is that there seems to be something wrong with the pipe. Like, it's not streaming the bits properly or something. Is it possible to overflow a pipe or something? I can't think of any good explanation for this weird behavior. What could cause a pipe to break, aside from the receiving process terminating unexpectedly?
--
Stephen Samuel http://www.bcgreen.com Software, like love,
778-861-7641 grows when you give it away
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