Re: perfomance question.

2005-08-18 Thread djani22
Thanks for trying to help me! My problem is (looks like) solved. It was a kernel problem. (I think...) When I switch to 2.6.13-rc6 (from rc3), the problem is gone! It is very interesting! I use SWRAID to distribute equal load to nodes. (raid0 chunksize 32k) In my system with 2.6.13-rc3 the "node-

Re: Found a new bug!

2005-08-18 Thread djani22
- Original Message - From: "Neil Brown" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Cc: Sent: Thursday, August 18, 2005 6:34 AM Subject: Re: Found a new bug! > On Monday August 15, [EMAIL PROTECTED] wrote: > > Thanks, I will test it, when I can... > > > > In this moment, my system is an

Re: [PATCH] proactive raid5 disk replacement for 2.6.11, updated

2005-08-18 Thread Pallai Roland
On Thu, 2005-08-18 at 12:24 +0200, Lars Marowsky-Bree wrote: > On 2005-08-18T15:28:41, Neil Brown <[EMAIL PROTECTED]> wrote: > > To handle read failures, I would like the first step to be to re-write > > the failed block. I believe most (all?) drives will relocate the > > block if a write cannot

Re: [PATCH] proactive raid5 disk replacement for 2.6.11, updated

2005-08-18 Thread Pallai Roland
On Thu, 2005-08-18 at 15:28 +1000, Neil Brown wrote: > However I think I would like to do it a little bit differently. thanks for your reply, interesting ideas! > If we want to mirror a single drive in a raid5 array, I would really > like to do that using the raid1 personality. > e.g. >suspe

Re: [PATCH] proactive raid5 disk replacement for 2.6.11, updated

2005-08-18 Thread Michael Tokarev
Neil Brown wrote: > Thanks for this. There are definitely some good ideas here. > However I think I would like to do it a little bit differently. > > If we want to mirror a single drive in a raid5 array, I would really > like to do that using the raid1 personality. > e.g. >suspend io >rem

Re: [PATCH] proactive raid5 disk replacement for 2.6.11, updated

2005-08-18 Thread Lars Marowsky-Bree
On 2005-08-18T15:28:41, Neil Brown <[EMAIL PROTECTED]> wrote: > If we want to mirror a single drive in a raid5 array, I would really > like to do that using the raid1 personality. > e.g. >suspend io >remove the drive >build a raid1 (with no superblock) using the drive. >add that ba