Re: Poor write performance with LSI 320-2 on 6.1-STABLE

2006-09-30 Thread Martin Nilsson
Albert Chin wrote: The arrays are configured with write-thru write policy, adaptive read policy, and cachedio cache policy. cachedio will slow you down on the old LSI cards. Only enable it on the PCI-X and above adapters. /Martin ___

Re: Poor write performance with LSI 320-2 on 6.1-STABLE

2006-09-29 Thread Scott Long
Albert Chin wrote: I have an Intel S875PWP1 motherboard with a Pentium4 [EMAIL PROTECTED] PCI bus is 33Mhz, 32-bit. I recently purchased an LSI 320-2/128MB on eBay (though the card really looks like a PERC4/DS) and just ran some bonnie++ tests on a RAID 1 array between two U320 drives for the

Re: Poor write performance with LSI 320-2 on 6.1-STABLE

2006-09-29 Thread Joao Barros
On 9/29/06, Scott Long [EMAIL PROTECTED] wrote: These are very speedy cards once you put them into their intended configuration. With some decent SCSI disks and a PCI-X bus, it performs quite well. However, I'm actually kinda surprised that the card works at all in your 5V slot. I have a

Re: Poor write performance with LSI 320-2 on 6.1-STABLE

2006-09-29 Thread Albert Chin
On Fri, Sep 29, 2006 at 10:33:14AM -0600, Scott Long wrote: Albert Chin wrote: I have an Intel S875PWP1 motherboard with a Pentium4 [EMAIL PROTECTED] PCI bus is 33Mhz, 32-bit. I recently purchased an LSI 320-2/128MB on eBay (though the card really looks like a PERC4/DS) and just ran some

Re: Poor write performance with LSI 320-2 on 6.1-STABLE

2006-09-29 Thread Albert Chin
On Thu, Sep 28, 2006 at 05:15:05PM -0500, Albert Chin wrote: I have an Intel S875PWP1 motherboard with a Pentium4 [EMAIL PROTECTED] PCI bus is 33Mhz, 32-bit. I recently purchased an LSI 320-2/128MB on eBay (though the card really looks like a PERC4/DS) and just ran some bonnie++ tests on a

Re: Poor write performance with LSI 320-2 on 6.1-STABLE

2006-09-29 Thread Dan Nelson
In the last episode (Sep 29), Albert Chin said: On Thu, Sep 28, 2006 at 05:15:05PM -0500, Albert Chin wrote: I have an Intel S875PWP1 motherboard with a Pentium4 [EMAIL PROTECTED] PCI bus is 33Mhz, 32-bit. I recently purchased an LSI 320-2/128MB on eBay (though the card really looks like a

Poor write performance with LSI 320-2 on 6.1-STABLE

2006-09-28 Thread Albert Chin
I have an Intel S875PWP1 motherboard with a Pentium4 [EMAIL PROTECTED] PCI bus is 33Mhz, 32-bit. I recently purchased an LSI 320-2/128MB on eBay (though the card really looks like a PERC4/DS) and just ran some bonnie++ tests on a RAID 1 array between two U320 drives for the first channel and on a

Re: Poor write performance with LSI 320-2 on 6.1-STABLE

2006-09-28 Thread Jeremy Chadwick
On Thu, Sep 28, 2006 at 05:15:05PM -0500, Albert Chin wrote: I don't understand how #1 gives 16MB/s (RAID 1) while #3 gives only 17MB/s. I'd expect #3 to be about x2 the performance of #1. The arrays are configured with write-thru write policy, adaptive read policy, and cachedio cache