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ymmt2005/gist:3300419

Created August 9, 2012 02:34
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mdadm crap
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gistfile1.txt
$ sudo /sbin/mdadm -A /dev/md/a -R --auto=md --symlink=no --update=devicesize /dev/sda
Size was 2097128
Size is 2097128
mdadm: /dev/md/a has been started with 1 drive (out of 2).
$ ls -l /dev/md
total 0
lrwxrwxrwx 1 root root 8 Aug 9 02:28 a -> ../md127
$ sudo /sbin/mdadm -A /dev/md/b -R --auto=md --symlink=no --update=devicesize /dev/sdb
Size was 2097128
Size is 2097128
mdadm: /dev/md/b has been started with 1 drive (out of 2).
$ ls -l /dev/md total 0
lrwxrwxrwx 1 root root 8 Aug 9 02:28 a -> ../md126
WTF!
* /dev/md/b is missing.
* /dev/md/a is erroneously replaced.
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