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2003 Jun 05
0
Summary of hangind HP proliant
Quick summary of the Issue I posted a few weeks go about a HP DL380G3
server running RHAS21 that was hanging under heavy disk IO. Server is
2x2.8GB hyper threading Xeons, 6GB 400Mhz RAM.
It has a built in SmartArray 5i card that was mirroring 2 disks for
root, and raid5-ing 4 disk for /apps_data.
A multi GB tar could make the box unresponsive for several seconds.
Through put to both volumes measured about the same ~20-25MB/s, using dd
if=dev/zero.
We evaled a $1300 SmartArray 5312 RAID card and only got about 30MB/s
out of it, and though the hang was less obtrusive, it still was bad if
yo...