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mdadm: improve the dlm locking mechanism for clustered raid
[thirdparty/mdadm.git] / tests / 05r1-re-add-nosuper
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fe80f49b
NB
1
2#
3# create a raid1, remove a drive, and readd it.
4# resync should be instant.
5# Then do some IO first. Resync should still be very fast
6#
7bmf=$targetdir/bitmap2
8rm -f $bmf
9mdadm -B $md0 -l1 -n2 -b$bmf -d1 $dev1 $dev2
10check resync
11check wait
c07d6400 12testdev $md0 1 $size 1
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NB
13sleep 4
14
15mdadm $md0 -f $dev2
16sleep 1
17mdadm $md0 -r $dev2
18mdadm $md0 --re-add $dev2
19check nosync
20
21mdadm $md0 -f $dev2
22sleep 1
23mdadm $md0 -r $dev2
c07d6400 24testdev $md0 1 $size 1
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NB
25mdadm $md0 --re-add $dev2
26check wait
27cmp --bytes=$[$mdsize0*1024] $dev1 $dev2
28
29mdadm $md0 -f $dev2; sleep 1
30mdadm $md0 -r $dev2
31if dd if=/dev/zero of=$md0 ; then : ; fi
4108d695 32blockdev --flushbufs $md0 # make sure writes have been sent
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NB
33mdadm $md0 --re-add $dev2
34check recovery
35check wait
36# should BLKFLSBUF and then read $dev1/$dev2...
37cmp --bytes=$[$mdsize0*1024] $file1 $file2
38mdadm -S $md0