Answer / phani-a

1) echo |format

check the all disks and find out the failed disk

2) check the dick is configured in veritas or meta

3) remove the disk from veritas or meta controller

4) insert a new disk

5) run devfsadm -c disk
or

devfsadm

format c0t0dx

6) configure the disk

Answer / priya

Check the status of the disks using command: iostat -e
or if the disk is a metadevice then use metastat -p

If the disk is faulty and needs to be removed then use the
prtvtoc /dev/rdsk/c#t#d#s2 > /diskprtvtoc to save the disk
partition.

Use the command cfgadm -c unconfigure c1::dsk/c1t1do to
unconfigure the device
verify using cfgadm -al if the disk is unconfigured

remove the failed disk using command cfgadm -x
remove_device c1::/dsk/c1t1do

run devfsadm -C -c disk to invoke cleanup to remove device
pathsand unreferenced links
verify it ls -ld /dev/rdsk/c1t1dos2 this should return no
devices

it is safe to physically remove the disk n replace
cfgadm -x insert_device c1::/dsk/c1t1do

now configure it cfgadm -c configure c1::dsk/c1t1do

Run devfsadm and verify about the configured disk using ls -
ld command.

Run the fmthard -s /diskprtvtoc /dev/rdsk/c1t1d0s2 to copy
back the saved partitions to the new configured and
inserted disk

Answer / raviga006

Ok > prtenv boot-device

ok> setenv boot-device <new boot disk address>

ok> boot

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