HPE EVA Storage

EVA & XP disk allocation to a same Wintel server , Will be a issue ?

 
SAN Works
Advisor

EVA & XP disk allocation to a same Wintel server , Will be a issue ?

We are planing alocate a EVA 8000 & XP 12K disks to same windows 2003 server , I like to know zoning & maaping eva & XP disk through same HBA will create any issue to the server performace & stability ?
3 REPLIES 3
Eric de Lange (MSE)
Valued Contributor

Re: EVA & XP disk allocation to a same Wintel server , Will be a issue ?

I would recommend against mapping EVA and XP luns through the the same port/HBA.

Eventhough the XP disks and EVA disks are in different zones, the HBA (initiator) WWN would be a member of both EVA and XP disk zones causing a potential availabillity problem. For instance, a SAN State Change notification (SCN) in the EVA disk zone would also trigger a SCN in the cause IO in the XP disk zone to be temporarily stopped as well.

I would use separate HBA's for EVA and XP presentations. MPIO for EVA and XP can coexist on the same server (documented in teh MPIO release notes)

hope this helps,
-Eric
Patrick Terlisten
Honored Contributor

Re: EVA & XP disk allocation to a same Wintel server , Will be a issue ?

Hello Eric,

even if you're using a single initiator/ single target zoning?! I don't think so.

I would recommend a single initiator/ single target zoning. By using this there shouldn't any problem sharing an HBA for EVA and XP presentations.

Regards,
Patrick
Best regards,
Patrick
Uwe Zessin
Honored Contributor

Re: EVA & XP disk allocation to a same Wintel server , Will be a issue ?

I recommend to check the SAN Design guide.
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