OpenSolaris

As of build 98, when running some regression tests, sometimes I still see checksum failures  when offlining disks and exporting/importing the pool:

ok 82
# ----- expected success from: zpool create zfstest_c6bd342b raidz1 zfstest_loop0 zfstest_loop1 zfstest_loop2 raidz1 zfstest_loop3 zfstest_loop4 zfstest_loop5
ok 83
# ----- expected success from: zpool offline zfstest_c6bd342b zfstest_loop1
ok 84
# ----- expected success from: zpool offline -t zfstest_c6bd342b zfstest_loop5
ok 85
ok 86
# ----- expected success from: zpool export zfstest_c6bd342b
ok 87
# ----- expected success from: zpool import zfstest_c6bd342b
not ok 88
# ----- expected from: zpool status zfstest_c6bd342b | grep -v scrub:
#   pool: zfstest_c6bd342b
#  state: DEGRADED
# status: One or more devices has been taken offline by the administrator.
#         Sufficient replicas exist for the pool to continue functioning in a
#         degraded state.
# action: Online the device using 'zpool online' or replace the device with
#         'zpool replace'.
# config:
#       NAME          STATE     READ WRITE CKSUM
#       zfstest_c6bd342b      DEGRADED     0     0     0
#         raidz1      DEGRADED     0     0     0
#           zfstest_loop0  ONLINE       0     0     0
#           zfstest_loop1  OFFLINE      0     0     0
#           zfstest_loop2  ONLINE       0     0     0
#         raidz1      ONLINE       0     0     0
#           zfstest_loop3  ONLINE       0     0     0
#           zfstest_loop4  ONLINE       0     0     0
#           zfstest_loop5  ONLINE       0     0     0
# errors: No known data errors
# ----- got:
#   pool: zfstest_c6bd342b
#  state: DEGRADED
# status: One or more devices has experienced an unrecoverable error.  An
#       attempt was made to correct the error.  Applications are unaffected.
# action: Determine if the device needs to be replaced, and clear the errors
#       using 'zpool clear' or replace the device with 'zpool replace'.
#    see: http://www.sun.com/msg/ZFS-8000-9P
# config:
#
#       NAME               STATE     READ WRITE CKSUM
#       zfstest_c6bd342b   DEGRADED     0     0     0
#         raidz1           DEGRADED     0     0     0
#           zfstest_loop0  ONLINE       0     0     0
#           zfstest_loop1  OFFLINE      0     0     0
#           zfstest_loop2  ONLINE       0     0     0
#         raidz1           ONLINE       0     0     0
#           zfstest_loop3  ONLINE       0     0     0
#           zfstest_loop4  ONLINE       0     0     0
#           zfstest_loop5  ONLINE       0     0     2
#
# errors: No known data errors
# ----- end

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