On 04/23/11 7:00 AM, Marinos Yannikos wrote:
> Hi,
>
> I have a beefy server with 2 SANs, 1 "fast" (A) and 1 "slow" (B) and
> 1.3TB worth of 8.4.4 databases on A. A needs to be replaced/wiped
> completely with as little downtime as possible. It's flash-based and
> the modules need to be replaced, so no "swapping the SAN and keeping
> the disks". The databases are relatively busy, generating 8-50 16MB
> WAL segments per minute).
>
> Several methods spring to mind:
f) setup a mdraid mirror between your SAN A logical volumes and new
storage. when its finished mirroring, remove the SAN A LUN(s) from the
mirror(s)
