Removing FS and space re-allocation

[myr001]

Hi,

Planning to remove two filesystems/LVs each having one PV and residing on same VG (VG1). Out of two PVs one need to be tranfer to another VG (VG2) while the remaining one will be distributed among multiple LVs within the same VG (VG1).

All VGs are part of a cluster.
Each PV is of 150GB (/dev/dsk/c0t0d1 & /dev/dsk/c0t0d2).

We assume following sequence of steps will be required:

1) lvremove /dev/vg1/lv4 (fs4)
2) lvremove /dev/vg1/lv5 (fs5)

3) vgreduce /dev/vg1 /dev/dsk/c0t0d1
4) vgextend /dev/vg2 /dev/dsk/c0t0d1

5) lvextend -L 50000 /dev/vg1/lv1 /dev/dsk/c0t0d2
6) fsadm -F vxfs -b 51200000 /fs1

7) lvextend -L 50000 /dev/vg1/lv2 /dev/dsk/c0t0d2
8) fsadm -F vxfs -b 51200000 /fs2

9) lvextend -L 50000 /dev/vg1/lv3 /dev/dsk/c0t0d2
10) fsadm -F vxfs -b 51200000 /fs3

11) lvextend -L 150000 /dev/vg2/lv1 /dev/dsk/c0t0d1
12) fsadm -F vxfs /fs6

13) vgimport # Node 1
14) vgexport # Node 2


Please confirm if all the above steps are correct and in proper sequence.

Thanks.

[Steven E. Protter · Accepted solution]

Shalom,

Your plan looks reasonable up until steps 13 and 14.

You need to specifiy a volume group to export on step 14.

If any of this data is critical, back it up before you start.

If you run into any error messages post them up here and you'll get good help.

SEP

[jaivinder]

Hi,

According to me your plan is good and do not need any changes leaving point no 13& 14.
While importing vg's give vg name also

[myr001]

Thanks guys.

I will let you the outcome as soon as I perform all these steps.

BTW, how can I check the FS type if it is not listed in "/etc/fstab" file?

[Mridul Shrivastava]

execute fstyp /dev//

[myr001]

Thanks to all participants.

I think we will not be able to perform these steps in next few days. Anyway, I have distributed the points.