Use metadb to delete databases which are broken.
Ignore any "Read-only file system" error messages.
Reboot the system when finished to reload the metadevice database.
After reboot, repair any broken database replicas which were deleted.
Type control-d to proceed with normal startup,
(or give root password for system maintenance): ******
single-user privilege assigned to /dev/console.
Entering System Maintenance Mode
# metadb -i
flags first blk block count
M p unknown unknown /dev/dsk/c0t0d0s7
M p unknown unknown /dev/dsk/c0t0d0s7
a m p lu 16 1034 /dev/dsk/c0t1d0s7
a p l 16 1034 /dev/dsk/c0t1d0s7
o - replica active prior to last mddb configuration change
u - replica is up to date
l - locator for this replica was read successfully
c - replica's location was in /etc/lvm/mddb.cf
p - replica's location was patched in kernel
m - replica is master, this is replica selected as input
W - replica has device write errors
a - replica is active, commits are occurring to this replica
M - replica had problem with master blocks
D - replica had problem with data blocks
F - replica had format problems
S - replica is too small to hold current data base
R - replica had device read errors
《c0t0d0s7中的replicas的状态标志是M，表示DiskSuite无法正常访问》
# metadb -d c0t0d0s7
《删除失效的replicas》
# metadb -i
flags first blk block count
a m p lu 16 1034 /dev/dsk/c0t1d0s5
a p l 16 1034 /dev/dsk/c0t1d0s6
o - replica active prior to last mddb configuration change
u - replica is up to date
l - locator for this replica was read successfully
c - replica's location was in /etc/lvm/mddb.cf
p - replica's location was patched in kernel
m - replica is master, this is replica selected as input
W - replica has device write errors
a - replica is active, commits are occurring to this replica
M - replica had problem with master blocks
D - replica had problem with data blocks
F - replica had format problems
S - replica is too small to hold current data base
R - replica had device read errors
《检查》