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),

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.

NFS: Linux Server, FreeBSD clients

2007-11-05 Thread Nico -telmich- Schottelius
Hello! I'm doing some tests on a Linux 2.6 kernel nfsd with freebsd clients. I want to use a cluster of 2 servers with heartbeat as failover and use the linux server as nfsd. Currently I am testing with iozone, which gives pretty bad performance results for standard connection (about 1/10 of wha

Very slow system using dd / nfs

2007-07-24 Thread Nico -telmich- Schottelius
Hello guys, I am testing FreeBSD 6.2 NFS support, using linux-kernel-nfs as server. Now I am starting two instances of testdisks.sh [0] with forks=500 and directory set to /nfs/teufeli2/ (/nfs = nfs volume, teufeli2 is the host name). After some minutes the system has about 1500 processes running