Re: [resolved, naively] Re: geom vs ich through ar device - benchmarks?

2007-07-27 Thread Howard Goldstein
Howard Goldstein wrote: ar device's RAID1 Using the awesome gmirror write 1gb: 13.275 13.7 rd 12.9 13.8 I recently had an opportunity to repeat this test with the same exact WD3200AAKS (7200RPM consumer

Re: [resolved, ?naively] Re: geom vs ich through ar device - benchmarks?

2007-07-26 Thread Oliver Fromme
Scott Long wrote: Howard Goldstein wrote: Naive test: dd if=/dev/zero of=/fsundertest/tstfile bs=1m count=1000 *not including buffered stuff unwritten, the test simply reported dd's idea of the transfer time*, and then the other way where it doesn't matter In firmware's RAID1

Re: [resolved, ?naively] Re: geom vs ich through ar device - benchmarks?

2007-07-26 Thread Oliver Fromme
Howard Goldstein [EMAIL PROTECTED] wrote: [...] You should fix your e-mail setup. I can't reach you: - Transcript of session follows - ... while talking to ns1.queue.to.: RCPT To:[EMAIL PROTECTED] 553 local-rblblacklist complain to your provider 550 5.1.1 [EMAIL

Re: [resolved, naively] Re: geom vs ich through ar device - benchmarks?

2007-07-26 Thread John-Mark Gurney
Howard Goldstein wrote this message on Wed, Jul 25, 2007 at 17:24 -0400: Scott Long wrote: ICH5 only support SATA-1. Dang. Does anyone yield SATA-II speeds with the a PCI controller? I'm not sure if 25-30MB/s is even possible with regular PCI You probably mean 250-300MB/s which is what

Re: [resolved, naively] Re: geom vs ich through ar device - benchmarks?

2007-07-26 Thread Jeremy Chadwick
On Wed, Jul 25, 2007 at 07:02:58PM -0600, Scott Long wrote: You should be able to sustain at least 70MB/s on a single modern drive with SATA-1 or SATA-2. If you're not getting that then something in the driver or the application is getting in the way. Even with the, um, problems that SiI

Re: [resolved, ?naively] Re: geom vs ich through ar device - benchmarks?

2007-07-26 Thread Daniel O'Connor
On Thu, 26 Jul 2007, Oliver Fromme wrote: As an additional note: _If_ the ICH RAID was in hardware (which it isn't, as Scott pointed out), it might be preferable to use it instead of gmirror, even if it's 5% slower, but because it would save a lot of cpu. Of course, since both are in

Re: [resolved, naively] Re: geom vs ich through ar device - benchmarks?

2007-07-25 Thread Howard Goldstein
Scott Long wrote: Howard Goldstein wrote: Testbed: Pair of WDC3200AAKS 320gb SATA, freshly newfsd 10gb filesystem mounted with softupdates, remounted after each test P4 @ 3ghz on a P4P800 in 6.2-STABLE, single user mode, ICH5R controller detects these SATA-II drives inexplicably as SATA-I

Re: [resolved, naively] Re: geom vs ich through ar device - benchmarks?

2007-07-25 Thread Howard Goldstein
Scott Long wrote: Howard Goldstein wrote: Scott Long wrote: Howard Goldstein wrote: Testbed: Pair of WDC3200AAKS 320gb SATA, freshly newfsd 10gb filesystem mounted with softupdates, remounted after each test P4 @ 3ghz on a P4P800 in 6.2-STABLE, single user mode, ICH5R

Re: [resolved, naively] Re: geom vs ich through ar device - benchmarks?

2007-07-25 Thread Scott Long
Howard Goldstein wrote: Scott Long wrote: Howard Goldstein wrote: Testbed: Pair of WDC3200AAKS 320gb SATA, freshly newfsd 10gb filesystem mounted with softupdates, remounted after each test P4 @ 3ghz on a P4P800 in 6.2-STABLE, single user mode, ICH5R controller detects these SATA-II drives

Re: [resolved, naively] Re: geom vs ich through ar device - benchmarks?

2007-07-25 Thread Scott Long
Howard Goldstein wrote: Howard Goldstein wrote: Has anyone done any benchmarks in desktop or server environment comparing geom with an ICH controller through the ar device in RAID1 service? Teh google, it seems to pick up grammar school math assignments lots of what may be relevant hits for

[resolved, naively] Re: geom vs ich through ar device - benchmarks?

2007-07-25 Thread Howard Goldstein
Howard Goldstein wrote: Has anyone done any benchmarks in desktop or server environment comparing geom with an ICH controller through the ar device in RAID1 service? Teh google, it seems to pick up grammar school math assignments lots of what may be relevant hits for fortunate speakers of