migrating to a new SAN

[Gordon Sjodin]

I will be migrating from an EVA8000 to a new HP P6000.

I have a service gaurd cluster that I will move using "Continuous Access". My thoughts were to do this:

1)      Backup the data and replicate the data

2)      Shutdown the package.

3)      Unpresent the old disk

4)      Remove the old volume group on all 3 nodes “ vgexport /dev/vg07” --- make note of the group number

5)      Present the new disk

6)      Run “ioscan –fnC disk” and “insf –e”

7)      Autopath discover

8)      Autopath display

9)       setup load balance policy

11) “Umask 655

12)  mkdir /dev/vg07

13) mknod /dev/vg07/group c 64 0x070000

14) vgimport /dev/vg07 /dev/dsk/c12t2d0  /dev/dsk/c38t2d0 \

/dev/dsk/c40t2d0 /dev/dsk/c42t2d0 /dev/dsk/c24t2d0 \

/dev/dsk/c32t2d0 /dev/dsk/c34t2d0  /dev/dsk/c36t2d0

15)  export and import VG to other servicegaurd nodes and start the package

Does this sound good? What about the cluster lock? My 3 node cluster says "No cluster lock found" I assume it is not required on a 3 node cluster.

Thanks

Gord

[Riccardo_Marini]

Can't you setup new disks on the servers while old are still in use?

In this way you should be able to do a simply pvmove (or a lvmirror) without need to shut down package.