Performance of disk i/o with 3ware

2007-11-06 Thread Nico -telmich- Schottelius
Hello! I've the problem that sometimes there are many disk waiting processes (sysctl -n vm.vmtotal), but systat -vmstat shows da0 and da1 busy with 0-10%. I guess that the disk i/o is at about 100%, but wondering why I see those strange values. System Information: - Disks are attached to 07:01.

Re: Performance of disk i/o with 3ware

2007-11-06 Thread Manjunath R Gowda
On 11/6/07, Nico -telmich- Schottelius < [EMAIL PROTECTED]> wrote: > > Hello! > > I've the problem that sometimes there are many disk waiting processes > (sysctl -n vm.vmtotal), but systat -vmstat shows da0 and da1 busy with > 0-10%. I woudn't worry about how many are sleeping. But, How long the

Re: Performance of disk i/o with 3ware

2007-11-06 Thread Nico -telmich- Schottelius
Manjunath R Gowda [Tue, Nov 06, 2007 at 09:54:09AM -0800]: > On 11/6/07, Nico -telmich- Schottelius < > [EMAIL PROTECTED]> wrote: > > > > Hello! > > > > I've the problem that sometimes there are many disk waiting processes > > (sysctl -n vm.vmtotal), but systat -vmstat shows da0 and da1 busy with >

Re: Performance of disk i/o with 3ware

2007-11-06 Thread Manjunath R Gowda
On 11/6/07, Nico -telmich- Schottelius < [EMAIL PROTECTED]> wrote: > > Manjunath R Gowda [Tue, Nov 06, 2007 at 09:54:09AM -0800]: > > On 11/6/07, Nico -telmich- Schottelius < > > [EMAIL PROTECTED]> wrote: > > > > > > Hello! > > > > > > I've the problem that sometimes there are many disk waiting pro

Re: ULE vs. 4BSD in RELENG_7

2007-11-06 Thread Jeff Roberson
On Mon, 5 Nov 2007, Josh Carroll wrote: Turns out the last patch I posted had a small compile error because I edited it by hand to remove one section. Here's an updated patch that fixes that and changes the min/max slice values to something more reasonable. Slice min should be around 4 with a

Re: ULE vs. 4BSD in RELENG_7

2007-11-06 Thread Josh Carroll
> That's expected due to the fuzzy rounding of 128 / 10, etc. Can you set > slice_min and slice both equal to 7 and see if the numbers come out > better than without the patch but with a slice value of 7? Basically I'm > trying to isolate the effects of the different slice handling in this > patc

Re: ULE vs. 4BSD in RELENG_7

2007-11-06 Thread Josh Carroll
> That's expected due to the fuzzy rounding of 128 / 10, etc. Can you set > slice_min and slice both equal to 7 and see if the numbers come out > better than without the patch but with a slice value of 7? Basically I'm > trying to isolate the effects of the different slice handling in this > patc