If you have 2 io domains then each has one path to the device. In such case, 
present each path to the guest and let mpxio/stms do its job. I wouldn't use 
svm absent a specific requirement, use zfs instead.

________________________________
From: [email protected] 
<[email protected]>
To: '[email protected]' <[email protected]>
Sent: Mon Apr 11 09:14:27 2011
Subject: [ldoms-discuss] vdisks and SVM in guests

Hi folks,

Can someone clarify what the best practice is with regards vdisks and using SVM 
in guests or share how if you use them?

My scenario is that I have a split bus T5240 with LUN’s coming from the SAN. I 
have 2 large filesystems (600+GB) that due to external SAN factors are made up 
of several LUN’s striped together.

So question is, should the metadevice be created at the IO domain level and 
presented to the guest in the form of one filesystem and be part of an mpgroup 
to handle failover or should the guest be given all the LUN’s (with prim/sec 
LUN’s in their own mpgroup) and the metadevice created there ?

Cheers

Sean

Sean Burke
UNIX Systems Engineer
Stryker S.A.
Cité-Centre, Grand-rue 92
1820 Montreux
Switzerland

tel.: + 41 21 966 13 54
mbl: +41 79 362 85 15
[email protected]
www.stryker.eu


________________________________
Stryker SA / Registered number: CH-550-0054924-4 / Registered office: 
Cité-Centre, Grand rue 90, 1820 Montreux / VAT number: . 291987

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