Re: Seemingly odd disc i/o behaviour, need help to diagnose

2005-01-29 Thread Doug White
On Fri, 28 Jan 2005, Oren Baum wrote: Description of Server configuration and problems. Configuration: FreeBSD 4.4-RELEASE apache+mod_ssl-1.3.22+2.8.5_1 mysql-server-3.23.42 Hard Drive (dual ATA disks, no RAID) on a Dell P4 PowerEDGE server It bears mentioning again ... these releases

Seemingly odd disc i/o behaviour, need help to diagnose

2005-01-28 Thread Oren Baum
We're having a hard to track down a recurring problem that we think has some problem to do with disc i/o access. This is slightly beyond our level of expertise and were hoping someone could shed some light on the following problem. If this has been dealt with previously, please let me know

Re: Seemingly odd disc i/o behaviour, need help to diagnose

2005-01-28 Thread Chuck Swiger
Hello-- Oren Baum wrote: [ ... ] Configuration: FreeBSD 4.4-RELEASE apache+mod_ssl-1.3.22+2.8.5_1 mysql-server-3.23.42 Hard Drive (dual ATA disks, no RAID) on a Dell P4 PowerEDGE server Your software is several years out of date, and there are important security holes in at least FreeBSD and

Re: Seemingly odd disc i/o behaviour, need help to diagnose

2005-01-28 Thread Mark Kirkwood
Oren Baum wrote: Configuration: FreeBSD 4.4-RELEASE apache+mod_ssl-1.3.22+2.8.5_1 mysql-server-3.23.42 Hard Drive (dual ATA disks, no RAID) on a Dell P4 PowerEDGE server We had many speed and timeout issues so we recompiled the kernel with maxusers=128 instead of the previous 32 and moved the