At 06:51 4/26/99 , you wrote:
>Daniel Veillard wrote:
>>
>> > I'm about to set up some Dell PowerEdge 6100/200 (Dual and Quad PPro) to
>> > run linux smp. The boxen come with AMI 'Dell RAID II' (or somesuch)
>> > controllers (i960 based), which I probably won't be using at first.
>> >
>> > Are there any issues or gotchas with these?
>>
>> Those RAID cards are now supported in standard in 2.0.36 and 2.2.x, but
>> they perform *really* badly under linux. Probably due to an untuned driver
>> basically iozone or any I/O test program nearly freeze the machine :-(
>>
>> You can try software RAID, or buy another brand of RAID cards.
>
>Talk to AMI. I believe they are ready to release their version 1.0.0
>driver for 2.0 and 2.2 kernels that includes A) better SMP support, B)
>multiple outstanding commands at a time, C) the userland based megamgr
>utility that lets you manage the RAID controller from user land instead
>of rebooting into the BIOS on the card to work with the RAID arrays.
>The big issue for performance is B. The old driver will only send one
>command to the card at a time, while the new driver sends multiple
>commands at a time.
>
Thanks all. Anybody interested in a working bios-config once I get it going?
-Simen
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