Re: Slow write performance on Compaq Smart Array 64xx (ciss0)

2007-01-29 Thread mickey
On Sun, Jan 28, 2007 at 05:32:41PM +0100, Henning Brauer wrote: * Vijay Sankar [EMAIL PROTECTED] [2007-01-28 16:07]: bioctl -h ciss0 gives me bioctl: Can't locate ciss0 device via /dev/bio ciss doesn't support bio yet. rtfm bio(4) support is only possible for one volume right now. so

Re: Slow write performance on Compaq Smart Array 64xx (ciss0)

2007-01-29 Thread Johan M:son Lindman
On Sunday 28 January 2007 22:21, you wrote: On Sun, Jan 28, 2007 at 11:28:27AM -0800, Joe wrote: Some more tests: # dd if=/dev/zero of=./testfile count=100 100+0 records in 100+0 records out 51200 bytes transferred in 16.354 secs (31306797 bytes/sec) # dd

Slow write performance on Compaq Smart Array 64xx (ciss0)

2007-01-28 Thread Joe
Why is the write performance of my RAID controller so slow? I've noticed the problem on this server and another Intel Xeon based server with the same controller. Both are running OpenBSD 4.0 generic. I will focus on the amd64 box in this email. If this is fixed in current, great, I'll upgrade.

Re: Slow write performance on Compaq Smart Array 64xx (ciss0)

2007-01-28 Thread Brian Candler
On Sun, Jan 28, 2007 at 12:29:21AM -0800, Joe wrote: Why is the write performance of my RAID controller so slow? ... (write test running bsd kernel) # dd if=/dev/zero of=/data/testfile count=2 bs=128k 2+0 records in 2+0 records out 262144 bytes transferred in 113.978 secs

Re: Slow write performance on Compaq Smart Array 64xx (ciss0)

2007-01-28 Thread Vijay Sankar
On Sunday 28 January 2007 08:45, Brian Candler wrote: On Sun, Jan 28, 2007 at 12:29:21AM -0800, Joe wrote: Why is the write performance of my RAID controller so slow? ... (write test running bsd kernel) # dd if=/dev/zero of=/data/testfile count=2 bs=128k 2+0 records in

Re: Slow write performance on Compaq Smart Array 64xx (ciss0)

2007-01-28 Thread Henning Brauer
* Vijay Sankar [EMAIL PROTECTED] [2007-01-28 16:07]: bioctl -h ciss0 gives me bioctl: Can't locate ciss0 device via /dev/bio ciss doesn't support bio yet. -- Henning Brauer, [EMAIL PROTECTED], [EMAIL PROTECTED] BS Web Services, http://bsws.de Full-Service ISP - Secure Hosting, Mail and DNS

Re: Slow write performance on Compaq Smart Array 64xx (ciss0)

2007-01-28 Thread Vijay Sankar
On Sunday 28 January 2007 10:32, Henning Brauer wrote: * Vijay Sankar [EMAIL PROTECTED] [2007-01-28 16:07]: bioctl -h ciss0 gives me bioctl: Can't locate ciss0 device via /dev/bio ciss doesn't support bio yet. Thank you very much, I will wait, for sure. I thought it was supported

Re: Slow write performance on Compaq Smart Array 64xx (ciss0)

2007-01-28 Thread Joe
Brian Candler wrote: On Sun, Jan 28, 2007 at 12:29:21AM -0800, Joe wrote: Why is the write performance of my RAID controller so slow? ... (write test running bsd kernel) # dd if=/dev/zero of=/data/testfile count=2 bs=128k 2+0 records in 2+0 records out 262144 bytes transferred

Re: Slow write performance on Compaq Smart Array 64xx (ciss0)

2007-01-28 Thread Bill Marquette
On 1/28/07, Henning Brauer [EMAIL PROTECTED] wrote: * Vijay Sankar [EMAIL PROTECTED] [2007-01-28 16:07]: bioctl -h ciss0 gives me bioctl: Can't locate ciss0 device via /dev/bio ciss doesn't support bio yet. Unless I'm mistaken, mickey@ added it pre-4.0 here:

Re: Slow write performance on Compaq Smart Array 64xx (ciss0)

2007-01-28 Thread Brian Candler
On Sun, Jan 28, 2007 at 11:28:27AM -0800, Joe wrote: Some more tests: # dd if=/dev/zero of=./testfile count=100 100+0 records in 100+0 records out 51200 bytes transferred in 16.354 secs (31306797 bytes/sec) # dd if=./testfile of=/dev/null count=100 100+0

Re: Slow write performance on Compaq Smart Array 64xx (ciss0)

2007-01-28 Thread Henning Brauer
* Henning Brauer [EMAIL PROTECTED] [2007-01-28 17:37]: * Vijay Sankar [EMAIL PROTECTED] [2007-01-28 16:07]: bioctl -h ciss0 gives me bioctl: Can't locate ciss0 device via /dev/bio ciss doesn't support bio yet. err, sorry, I missed that it is now, to some extent. -- Henning Brauer,