Re: degraded RAID performance after OS upgrade, and drives added.

2006-11-30 Thread Chuck Swiger
On Nov 29, 2006, at 6:18 PM, Derrick MacPherson wrote: We updated to 6.1 this weekend and added 3 300gb drives to the external raid cabinet, they were to go on a seprate controller but the server happens to have a few other boxes on top making it impossible at that time, so we put the 3x300

RE: degraded RAID performance after OS upgrade, and drives added.

2006-11-30 Thread Derrick MacPherson
-questions@freebsd.org Sent: 11/30/06 10:39 Subject: Re: degraded RAID performance after OS upgrade, and drives added. On Nov 29, 2006, at 6:18 PM, Derrick MacPherson wrote: We updated to 6.1 this weekend and added 3 300gb drives to the external raid cabinet, they were to go on a seprate

Re: degraded RAID performance after OS upgrade, and drives added.

2006-11-30 Thread Chuck Swiger
On Nov 30, 2006, at 11:40 AM, Derrick MacPherson wrote: That seems like a pretty crazy drop in performance, more than one would expect. The machine is busy but not busy enough to warrant this.. Imo.. Is there a way to test to confirm? Using dd is a trivial benchmark, and not especially

degraded RAID performance after OS upgrade, and drives added.

2006-11-29 Thread Derrick MacPherson
We updated to 6.1 this weekend and added 3 300gb drives to the external raid cabinet, they were to go on a seprate controller but the server happens to have a few other boxes on top making it impossible at that time, so we put the 3x300 (RAID5) , upgraded the OS and performance is very