From: Sammy (mesammy@gmail.com)
Date: Tue Jan 17 2006 - 11:25:26 EST
Hiya,
I have 2 v240s and 2 3120 JBODs, and Sun Cluster 3.1.
I defintely want a multi-initiator set up. But is there any advantage
in doing a split bus instead of single bus, considering I only have
two disks in each array.
Secondly, which is the best way to mirror it - horizontally or
vertically. i.e. if I have 3120 A with disks A1 and A2, and 3120 B
with disks B1 and B2, should I either:
1) Mirror A1 to A2 in disksuite to make D10, mirror B1 to B2 to make
D20, then make these available to the cluster.
2) Make two metasets: A1<--->B1 and A2<--->B2, in Sun Cluster
3) Concatenate or stripe A1<--->B1 and A2<---->B2 to make D10 & D20,
then mirror D10<---->D20 using metaset.
4) Concatenate or stripe A1<--->A2 and B1<---->B2 to make D10 & D20,
then mirror D10<---->D20 using metaset.
My brain is starting to ache from thinking about all the possible pros and
cons,
Happy New Year,
Sammy
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