Re: Dell SAS 5i/mpt driver[was: possible issues with Dell/Perc5 raid]

2007-05-15 Thread Matthew Jacob
filesystem? ext3? I want one of these failing machines *in my lab*. On 5/14/07, Randy Schultz <[EMAIL PROTECTED]> wrote: On Fri, 11 May 2007, Matthew Jacob spaketh thusly: -}Time frame to resolution involves getting a machine into my lab that -}evidences the poor performance and the time to so

Re: PERC5i throughput [was: possible issues with Dell/Perc5 raid]

2007-05-15 Thread Eric Anderson
On 05/15/07 11:30, Kevin Kobb wrote: Tom Judge wrote: Randy Schultz wrote: On Tue, 15 May 2007, Kevin Kobb spaketh thusly: -}These reports on poor performance using mpt seem to be on SATA -}drives. Has anybody been seeing this using SAS drives? -} -}We are testing Dell PE840s with hot swap SAS

RE: PERC5i throughput [was: possible issues with Dell/Perc5 raid]

2007-05-15 Thread Kevin Kobb
Tom Judge wrote: > Randy Schultz wrote: >> On Tue, 15 May 2007, Kevin Kobb spaketh thusly: >> >> -}These reports on poor performance using mpt seem to be on SATA >> -}drives. Has anybody been seeing this using SAS drives? -} >> -}We are testing Dell PE840s with hot swap SAS drives, and seem to >>

Re: PERC5i throughput [was: possible issues with Dell/Perc5 raid]

2007-05-15 Thread Randy Schultz
On Tue, 15 May 2007, Tom Judge spaketh thusly: -}I have attached some blogbench tests from the following configs: Woo-hoo! Tnx heaps and loads Tom. -} -}Perc5i 4 * SAS 15K RPM 146 Gig disks in raid 5. Hmm. This one was a bit troubling. It was only about twice as fast as the SATA/RAID 1 I te

Re: PERC5i throughput [was: possible issues with Dell/Perc5 raid]

2007-05-15 Thread Steven Hartland
- Original Message - From: "Randy Schultz" <[EMAIL PROTECTED]> On Tue, 15 May 2007, Kevin Kobb spaketh thusly: -}These reports on poor performance using mpt seem to be on SATA -}drives. Has anybody been seeing this using SAS drives? -} -}We are testing Dell PE840s with hot swap SAS dri

Re: PERC5i throughput [was: possible issues with Dell/Perc5 raid]

2007-05-15 Thread Tom Judge
Randy Schultz wrote: On Tue, 15 May 2007, Kevin Kobb spaketh thusly: -}These reports on poor performance using mpt seem to be on SATA -}drives. Has anybody been seeing this using SAS drives? -} -}We are testing Dell PE840s with hot swap SAS drives, and seem to get decent -}performance, though I

PERC5i throughput [was: possible issues with Dell/Perc5 raid]

2007-05-15 Thread Randy Schultz
On Tue, 15 May 2007, Kevin Kobb spaketh thusly: -}These reports on poor performance using mpt seem to be on SATA -}drives. Has anybody been seeing this using SAS drives? -} -}We are testing Dell PE840s with hot swap SAS drives, and seem to get decent -}performance, though I haven't run any benchma

Re: possible issues with Dell/Perc5 raid

2007-05-15 Thread Kevin Kobb
Matthew Jacob wrote: Time frame to resolution involves getting a machine into my lab that evidences the poor performance and the time to sort out what the problem is and fix it. Remote access doesn't work for me on this one (contact me offline as to why). On 5/11/07, Tom Judge <[EMAIL PROTECTED]