Re: 2.6.24-rc6 reproducible raid5 hang

2008-01-09 Thread dean gaudet
On Thu, 10 Jan 2008, Neil Brown wrote: > On Wednesday January 9, [EMAIL PROTECTED] wrote: > > On Sun, 2007-12-30 at 10:58 -0700, dean gaudet wrote: > > > i have evidence pointing to d89d87965dcbe6fe4f96a2a7e8421b3a75f634d1 > > > > > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.g

Re: Raid 1, can't get the second disk added back in.

2008-01-09 Thread dean gaudet
On Tue, 8 Jan 2008, Bill Davidsen wrote: > Neil Brown wrote: > > On Monday January 7, [EMAIL PROTECTED] wrote: > > > > > Problem is not raid, or at least not obviously raid related. The problem > > > is that the whole disk, /dev/hdb is unavailable. > > > > Maybe check /sys/block/hdb/hold

Re: 2.6.24-rc6 reproducible raid5 hang

2008-01-09 Thread Dan Williams
On Wed, 2008-01-09 at 20:57 -0700, Neil Brown wrote: > So I'm incline to leave it as "do as much work as is available to be > done" as that is simplest. But I can probably be talked out of it > with a convincing argument Well, in an age of CFS and CFQ it smacks of 'unfairness'. But does that

Re: 2.6.24-rc6 reproducible raid5 hang

2008-01-09 Thread Neil Brown
On Wednesday January 9, [EMAIL PROTECTED] wrote: > On Jan 9, 2008 5:09 PM, Neil Brown <[EMAIL PROTECTED]> wrote: > > On Wednesday January 9, [EMAIL PROTECTED] wrote: > > > > Can you test it please? > > This passes my failure case. Thanks! > > > Does it seem reasonable? > > What do you think ab

Re: 2.6.24-rc6 reproducible raid5 hang

2008-01-09 Thread Dan Williams
On Jan 9, 2008 5:09 PM, Neil Brown <[EMAIL PROTECTED]> wrote: > On Wednesday January 9, [EMAIL PROTECTED] wrote: > > On Sun, 2007-12-30 at 10:58 -0700, dean gaudet wrote: > > > i have evidence pointing to d89d87965dcbe6fe4f96a2a7e8421b3a75f634d1 > > > > > > http://git.kernel.org/?p=linux/kernel/git

Re: 2.6.24-rc6 reproducible raid5 hang

2008-01-09 Thread Neil Brown
On Wednesday January 9, [EMAIL PROTECTED] wrote: > On Sun, 2007-12-30 at 10:58 -0700, dean gaudet wrote: > > i have evidence pointing to d89d87965dcbe6fe4f96a2a7e8421b3a75f634d1 > > > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d89d87965dcbe6fe4f96a2a7e8421b3a75f6

trouble with mega-raid 150 and considering other alternatives

2008-01-09 Thread Eric S. Johansson
(originally posted through gmane but after few hours I haven't seen it come through hence the potential repost) Ububtu 6.06 LSI Megaraid 150-4 what I am looking for is a bit of education about how to diagnose raid five performance problems and whether or not I'm barking up the wrong tree with

md rotates RAID5 spare at boot

2008-01-09 Thread Jed Davidow
I have a RAID5 (5+1spare) setup that works perfectly well until I reboot. I have 6 drives (two different models) partitioned to give me 2 arrays, md0 and md1, that I use for /home and /var respectively. When I reboot, the system assembles each array, but swaps out what was the spare with one

Re: 2.6.24-rc6 reproducible raid5 hang

2008-01-09 Thread Dan Williams
On Sun, 2007-12-30 at 10:58 -0700, dean gaudet wrote: > On Sat, 29 Dec 2007, Dan Williams wrote: > > > On Dec 29, 2007 1:58 PM, dean gaudet <[EMAIL PROTECTED]> wrote: > > > On Sat, 29 Dec 2007, Dan Williams wrote: > > > > > > > On Dec 29, 2007 9:48 AM, dean gaudet <[EMAIL PROTECTED]> wrote: >

Re: raid5 stuck in degraded, inactive and dirty mode

2008-01-09 Thread CaT
On Wed, Jan 09, 2008 at 05:52:57PM +1100, Neil Brown wrote: > On Wednesday January 9, [EMAIL PROTECTED] wrote: > > > > I'd provide data dumps of --examine and friends but I'm in a situation > > where transferring the data would be a right pain. I'll do it if need > > be, though. > > > > So, what