Blue Disk Icon in SFWHA against disk
I would like to know whether the blue information icon that I am seeing on the passive node of a sfwha cluster will clear when a failover is initiated.
The issue has arisen following a recent disk expansion which all went well apart from the odd issue described, which was as follows:
- Break the Mirror on EMC CX4 Mirrorview Group on Unisphere
- Remove secondary image lun on Unisphere
- Delete the Mirrorview Group on Unisphere
- Expand lun attached to live server on CX4 within Unisphere
- Go into VEA on the active server and do a rescan
- Then run the resize wizard to expand the disk, which in turn will show accordingly in windows explorer (Done on the fly without downtime to production system)
- Remove the secondary lun from the storage Group on the passive node of the CX4 array
- Expand the secondary lun on CX4 within Unispshere (encountered error on cx4 and ended up deleting lun and recreating at the new size)
- Recreate the Mirrorvirew Group using the active lun from the active node of the array on Unisphere
- Add the secondary lun back in to the Mirrorview Group on Unisphere
- This will start the mirroring of luns from active to passive luns
- Lastly add the secondary lun back into the Storage group within Unisphere on the passive node of the array
Once the above was done a final rescan was done on the passive server within VEA to ensure the disk could be seen. It is visible be with a blue informational icon against it and the only options you have is to reactivate. This is the same against all the other disks on in VEA in the passive node as well. The only thing I can think of is the we had an issue on cx4 when trying to expand the lun, so i ended up deleting the lun and recreating at the new size.
It is not asking for a signature to be written, but I am wondering if the issue will write itself once a failover has been initiated in VCS from active to passive server, since there must be information within the dynamic disk cluster group, which this disk is apart of on the live server. Information on this in the administrator guides is as shown per attached. Do the server (passive node need a restart), I am assured there is no data loss etc, but I want to be sure thaty I can failover in a emergency.
Any guidance would be appreciated.