Attaching 3 MD1000 to PE2950 PERC 6/E

[Mike P Moore]

Hi David,

  You can connect up to 6 MD1000's to a single PERC 6/E.  One thing I 
would suggest, if you
are planning to use RAID 5, you may want to use RAID-50 instead and make a 
number
of smaller RAID 5 sets.  The PERC controllers seem to run into spindle 
contention once
your RAID 5 array exceeds 8 disks.  With 3 MD1000s, you could  create 6 x 
7-Drive
RAID 5 sets and have 3 hot spares (1 per chassis).  You are losing 6 
drives to parity,
but you will notice a better level of performance with a configuration 
like this.

  If you are just looking for sheer capacity (and have no requirements for 
performance)
that a single RAID 5 would work too.

- Mike

Michael P. Moore
Senior Network Engineer
Applied Biosystems - High Throughput Discovery Division
P: 508-383-7486
ONNET: 685-7486




David Reta <DavidR at Narus.com> 
Sent by: linux-poweredge-bounces at dell.com
08/08/2008 02:15 PM

To
"linux-poweredge at dell.com" <linux-poweredge at dell.com>
cc

Subject
Attaching 3 MD1000 to PE2950 PERC 6/E






Hello,
 
I would like to attach 3 MD1000?s (15 X 1TB Drives per MD1000) to a PE2950 
with a PERC 6/E running Windows 2003 Enterprise R2. I would like to have 
one partition. I would also like to mount this on linux systems for use. I 
am not much of a Windows user so I have some basic questions?
 
Does anyone see any issues with Windows supporting this?
What windows filesystem has the greatest max size and what is the max 
size? Is this fs supported on linux?
How many MD1000?s can I daisy chain to the PERC 6/E?
 
Regards,
David Reta
 
Systems Engineer
Narus Inc.
650-230-9338
650-444-4170 (C)
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