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