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тАО11-05-2001 04:00 PM
тАО11-05-2001 04:00 PM
slow write performance
have 3200 installed in (asus p2b-ds) dual pentium (100mhz fsb) board. no problems booting or indicated in diagnostic utility. read performance ok, but write speed only around 2 mb/sec with compaq 18 or 36 gb 10k hdd?s.
2 REPLIES 2
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тАО11-26-2001 04:00 PM
тАО11-26-2001 04:00 PM
Re: slow write performance
How are the batteries on the controller ? If these are flat, then the write-cache will be disabled, and you'll take a hit on performance.
Also, check that write-cache is enabled for the array in the first place - its possible to set it to read-only.
Also, check that write-cache is enabled for the array in the first place - its possible to set it to read-only.
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тАО11-27-2001 04:00 PM
тАО11-27-2001 04:00 PM
Re: slow write performance
your reply is very logical (as one would expect), and under normal circumstances one would immediately rush to the computer to follow up on your suggestions. unfortunately, however, i managed to get hold of a rather antiquated proliant 1500 in which i installed the smart-3200. to my surprise it performed excellently returning a write speed around 8 mb/sec in spite of the single 100 mhz cpu.
re-installing the controller in 2 different non-compaq boards again resulted in 2 mb/sec write performance. seems that the only alternative -albeit an expensive one- is to find a compaq server board with one (or better still two) processor(s) that will do the raid controller justice.
thank you for the effort; will let you know if i can learn some more about this problem.
re-installing the controller in 2 different non-compaq boards again resulted in 2 mb/sec write performance. seems that the only alternative -albeit an expensive one- is to find a compaq server board with one (or better still two) processor(s) that will do the raid controller justice.
thank you for the effort; will let you know if i can learn some more about this problem.
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