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
8 mdadm -CR $md0 -l1 -n2 -binternal --bitmap-chunk=4 -d1 $dev1 $dev2
11 testdev $md0 1 $mdsize1a 1
24 testdev $md0 1 $mdsize1a 1
27 cmp --ignore-initial=$[16*512] --bytes=$[$mdsize0*1024] $dev1 $dev2
29 mdadm $md0 -f $dev2; sleep 1
31 if dd if=/dev/zero of=$md0 ; then : ; fi
35 cmp --ignore-initial=$[16*512] --bytes=$[$mdsize0*1024] $dev1 $dev2