you need to benchmark for a little more than 4KB sequential even for the T-log. Test for the following

8KB random read and write

4-60KB sequential write

64KB sequential read and write

up to...

Errm, for benchmarking your I\O capacity (which is what you're doing here) you need to be using...

how exactly are you installing the updates?

The most efficient way is to run the patch with the AllInstances switch to update in one run.

This article details the switches used

what are the status' of the arrays, check for dead disks, etc first. This may degrade RAID performance

OK sure, post back if you're still stuck 😉

test a couple of smaller arrays too as well as RAID5 vs RAID10

These are the...

the best bit is, providing the differential base LSN is in sync between the primary and secondary you can use a differential backup to bridge LSN gaps when resuming log...

this is incorrect, role switching in log shipping...

TheSQLGuru (11/15/2012)

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I think with so few spindles carving them up into smaller sets just sets yourself up for one or more of those smaller groups to be a bottleneck. ...

jswong05 (11/14/2012)

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If you don't want to distribute so much memory on SQL Server usage, just lower the Max memory. You can also issue commands to clear buffer and procedure cache...

chandan_jha18 (11/14/2012)

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Perry,

Thanks for replying.

The server uses VMWare and the sysadmin wrote the following to me:

'All of these drives are situated on the same set volume on the NetApp'.

He also wrote...

yes, so you'll need to filter for your particular group then won't you 😉

Check the link below for more info

http://msdn.microsoft.com/en-us/library/ff878305.aspx

It will help you understand better 😉

sql-lover (11/14/2012)

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but regardless , with a max of two failover instances on a two node clusters ,...

Check the following system catalog for listener info

select * from sys.availability_group_listeners