Steve, If this is an internal RAID1 on two disks, it looks great. Based on the random seeks though (578 seeks/sec), it looks like maybe it's 6 disks in a RAID10? - Luke On 8/16/06 7:10 PM, "Steve Poe" <steve.poe@xxxxxxxxx> wrote: > Everyone, > > I wanted to follow-up on bonnie results for the internal RAID1 which is > connected to the SmartArray 6i. I believe this is the problem, but I am > not good at interepting the results. Here's an sample of three runs: > > scsi disc > array ,16G,47983,67,65492,20,37214,6,73785,87,89787,6,578.2,0,16,+++++, > +++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++ > scsi disc > array ,16G,54634,75,67793,21,36835,6,74190,88,89314,6,579.9,0,16,+++++, > +++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++ > scsi disc > array ,16G,55056,76,66108,20,36859,6,74108,87,89559,6,585.0,0,16,+++++, > +++,+++++,+++,+++++,+++,+++++,+++,+ > > This was run on the internal RAID1 on the outer portion of the discs > formatted at ext2. > > Thanks. > > Steve > > On Thu, 2006-08-10 at 10:35 -0500, Scott Marlowe wrote: >> On Thu, 2006-08-10 at 10:15, Luke Lonergan wrote: >>> Mike, >>> >>> On 8/10/06 4:09 AM, "Michael Stone" <mstone+postgres@xxxxxxxxx> wrote: >>> >>>> On Wed, Aug 09, 2006 at 08:29:13PM -0700, Steve Poe wrote: >>>>> I tried as you suggested and my performance dropped by 50%. I went from >>>>> a 32 TPS to 16. Oh well. >>>> >>>> If you put data & xlog on the same array, put them on seperate >>>> partitions, probably formatted differently (ext2 on xlog). >>> >>> If he's doing the same thing on both systems (Sun and HP) and the HP >>> performance is dramatically worse despite using more disks and having faster >>> CPUs and more RAM, ISTM the problem isn't the configuration. >>> >>> Add to this the fact that the Sun machine is CPU bound while the HP is I/O >>> wait bound and I think the problem is the disk hardware or the driver >>> therein. >> >> I agree. The problem here looks to be the RAID controller. >> >> Steve, got access to a different RAID controller to test with? >> >> ---------------------------(end of broadcast)--------------------------- >> TIP 1: if posting/reading through Usenet, please send an appropriate >> subscribe-nomail command to majordomo@xxxxxxxxxxxxxx so that your >> message can get through to the mailing list cleanly > >
