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move a dg to a new server

Not applicable

I have 2 solaris servers running storage foundation 5, using the same attached san but not same disks.

I need to move 1 disk group (1 lun) from server one server to the other.

The storage team has agreed to rezone the lun so both servers can see it...

Will there be anything I need to to do,, to deport from server 1 and import to server 2?


Level 6
Partner Accredited

Should just need to rescan for new disk in O/S and then recan in VxVM using "vxdctl enable" (for system which is receiving moved disk).  


   VIP    Certified


As Mike suggested, you need to rescan the disks in second server using devfsadm & vxdctl enable so that disks are visible on second server.

I would also recommend to deport diskgroup from first host (if possible) while doing this operation (for safer side). Reason I am saying this because, if in case diskgroup is already imported on 1st node, & you do rescanning on 2nd server & disks are visible, if someone accidently imports disk group on second node as well, there may be chances of concurrency issues & mounting FS/volumes in 2nd node may result in data corruption. Better to administer this closely while this operation is completed.



Level 5


I think there is no need to rezone to make both the sever 1 and 2 could see the LUN at the same time.

This could be done by simply 3 steps:

1. deport the DG properly from server 1.

2. modify the SAN zone to remove server 1 and add server 2.

3. scan and assign device file by devfsadm; scan and assign name from VxVM level by vxdctl enable; vxdg import <dgname> to import the DG.