[OT] Interesting HW problem

2003-08-10 Thread Miki Shapiro
Hey all I know this list isn't the place, but my problem is unique, and it requires a good concentration of experience and knowhow, and this list has that. So I'll sent it here, and mayhaps someone can help me. Here's the prob: I managed to swap some HW for an IBM ServeRAID-4Lx SCSI/RAID controll

Re: [OT] Interesting HW problem

2003-08-08 Thread Yedidyah Bar-David
Hi, What I have to say probably will be of very little help, but anyway: We have here an IBM NAS 200, which has a ServeRaid 4H + 6 7200 rpm 72GB disks. It came as a raid5 (+hotswap) and I still did not try other confs. It came with 3 logical disks, of sizes 6GB, 12GB and 260GB. I ran zcav on the t

Re: [OT] Interesting HW problem

2003-08-07 Thread Miki Shapiro
On Thu, 7 Aug 2003, Yedidyah Bar-David wrote: > ... On the last runs it never went below 42MB/s. I seem to be having something hard limiting throughput at 20MB/sec. When you look at the HD-Tach graph, it's plain flat. The drive or striped-drives want to go higher, something, presumeably the cont