Re: compelling arguments for a ThirdParty Cluster
- From: hrishy <hrishys@xxxxxxxxxxx>
- To: raindoctor@xxxxxxxxx
- Date: Thu, 17 Jan 2008 14:14:36 +0000 (GMT)
Hi
I am looking it from a prespective off SLA's
for ex the document mentions
a)Establishing dependencies between clusterware
storage and RAC databases to ensure that the shutdown
in the correct sequence.The sun clusterware allows the
oracle clusterware to be stopped before the
filesystems are stopped.
b)It also suggests that there is a scope for oracle
clusterware to evict a node and yet not reboot it
immedaitely .The remaning nodes start recovering the
transactions however the evicted continues to write to
the datafiles during the period of eviction to the
point where it falls down to the boot prompt it will
lead to corruption
There are some other points
Like
a)interconnect connect being single point of failure
b)How to provision voting disks and OCR should i ask
the storage admins to carve out 5 1GB LUNS so i can
mirror them ?
c)Would the storage admin object if i ask 5 1GB luns
to be carved out for me as mostly they allocate LUNS
of 64 GB 100Gb etc
regards
Hrishy
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