Re: [PERFORM] Perc 3 DC

2008-11-24 Thread PFC
Not yet no, but that's a good suggestion and I do intend to give it a whirl. I get about 27MB/s from raid 1 (10 is about the same) so hopefully I can up the throughput to the speed of about one disk with sw raid. FYI I get more than 200 MB/s out of a Linux Software RAID5 of 3 SATA drives (

Re: [PERFORM] Perc 3 DC

2008-11-24 Thread Scott Marlowe
On Mon, Nov 24, 2008 at 8:41 AM, Simon Waters <[EMAIL PROTECTED]> wrote: > That said a couple of weeks back ours corrupted a volume on replacing a dead > hard disk, so I'm never touching these cheap and tacky LSI RAID cards ever > again. It is suppose to just start rebuilding the array when you in

Re: [PERFORM] Perc 3 DC

2008-11-24 Thread Simon Waters
On Monday 24 November 2008 14:49:17 Glyn Astill wrote: > --- On Mon, 24/11/08, Steve Clark <[EMAIL PROTECTED]> wrote: > > > Yeah the battery's on it, that and the 128Mb is > > > > really the only reason I thought I'd give it a whirl. > > > > > > Is the battery functioning? We found that the unit h

Re: [PERFORM] Perc 3 DC

2008-11-24 Thread Scott Marlowe
On Mon, Nov 24, 2008 at 8:06 AM, Glyn Astill <[EMAIL PROTECTED]> wrote: > --- Scott Marlowe <[EMAIL PROTECTED]> wrote: > >> > >> > Yeah the battery is on there, and in the BIOS it says it's >> "PRESENT" and the status is "GOOD". >> >> If I remember correctly, older LSI cards had pretty poor >> perf

Re: [PERFORM] Perc 3 DC

2008-11-24 Thread Glyn Astill
--- Scott Marlowe <[EMAIL PROTECTED]> wrote: > > > > Yeah the battery is on there, and in the BIOS it says it's > "PRESENT" and the status is "GOOD". > > If I remember correctly, older LSI cards had pretty poor > performance > in RAID 1+0 (or any layered RAID really). Have you tried setting > up

Re: [PERFORM] Perc 3 DC

2008-11-24 Thread Scott Marlowe
On Mon, Nov 24, 2008 at 7:49 AM, Glyn Astill <[EMAIL PROTECTED]> wrote: > --- On Mon, 24/11/08, Steve Clark <[EMAIL PROTECTED]> wrote: > >> > Yeah the battery's on it, that and the 128Mb is >> really the only reason I thought I'd give it a whirl. >> > >> > >> Is the battery functioning? We found t

Re: [PERFORM] Perc 3 DC

2008-11-24 Thread Glyn Astill
--- On Mon, 24/11/08, Steve Clark <[EMAIL PROTECTED]> wrote: > > Yeah the battery's on it, that and the 128Mb is > really the only reason I thought I'd give it a whirl. > > > > > Is the battery functioning? We found that the unit had to > be on and charged before write back caching > would work

Re: [PERFORM] Perc 3 DC

2008-11-24 Thread Steve Clark
Glyn Astill wrote: --- On Sat, 22/11/08, Scott Marlowe <[EMAIL PROTECTED]> wrote: You really have two choices. First is to try and use it as a plain SCSI card, maybe with caching turned on, and do the raid in software. Second is to cut it into pieces and make jewelry out of it. Haha, I'm

Re: [PERFORM] Perc 3 DC

2008-11-22 Thread Glyn Astill
--- On Sat, 22/11/08, Scott Marlowe <[EMAIL PROTECTED]> wrote: > I had an old workstation with a 4 port SATA card (no raid) running > software raid and it handily stomps this 8 disk machine into the ground. Yeah, I think this machine will be going that route. > We had a bunch of 18xx series serv

Re: [PERFORM] Perc 3 DC

2008-11-22 Thread Scott Marlowe
On Sat, Nov 22, 2008 at 9:59 AM, Glyn Astill <[EMAIL PROTECTED]> wrote: > --- On Sat, 22/11/08, Scott Marlowe <[EMAIL PROTECTED]> wrote: > >> You really have two choices. First is to try and use it as >> a plain >> SCSI card, maybe with caching turned on, and do the raid in >> software. >> Second

Re: [PERFORM] Perc 3 DC

2008-11-22 Thread Glyn Astill
--- On Sat, 22/11/08, Scott Marlowe <[EMAIL PROTECTED]> wrote: > You really have two choices. First is to try and use it as > a plain > SCSI card, maybe with caching turned on, and do the raid in > software. > Second is to cut it into pieces and make jewelry out of it. Haha, I'm not really into

Re: [PERFORM] Perc 3 DC

2008-11-22 Thread Scott Marlowe
On Sat, Nov 22, 2008 at 7:18 AM, Glyn Astill <[EMAIL PROTECTED]> wrote: > Hi chaps, > > I've had this old card sitting on my desk for a while. It appears to be a > U160 card with 128Mb BBU so I thought I'd wang it in my test machine (denian > etch) and give it a bash. > > I set up 4 36Gb drives i

[PERFORM] Perc 3 DC

2008-11-22 Thread Glyn Astill
Hi chaps, I've had this old card sitting on my desk for a while. It appears to be a U160 card with 128Mb BBU so I thought I'd wang it in my test machine (denian etch) and give it a bash. I set up 4 36Gb drives in raid 0+1, but I don't seem to be able to get more than 20MB/s write speed out of