From: Smith, Kevin (kevin.m.smith@siemens.com)
Date: Fri Mar 26 2004 - 08:00:44 EST
Scenario:
4 x system board F12K domain, 2 x HBA to 1 x 6320 array with 10 6120 trays
in partner pair configurations. Each [pair] tray presented to solaris as a
LUN of 237GB in size. The LUN's are created in a RAID 0+1 config.
There is a Veritas Filesystem [VxVM] stripe of 5 columns of 64K block size
on top of the 5 x LUN's in the 6320. The filesystem was created using the
default vxfs settings using mkfs. The volume was then mounted with
convosync=direct
Using vxbench -m -w read -im iosize=64k,iocount=49152 we only see about 16MB
per second per tray. Our L180 fibre drives run faster than this......
Any ideas or at least anyone got a baseline figure we should be expecting
from this array?
Thanks
---------------------------------------------------
Kev Smith
Unix Systems Administrator.
Operational Support, IND Croydon.
E-Mail: kevin.m.smith@siemens.com
Tel: 020 8760 4849
Mob: 07808 828595
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