hi, i've not run thru the whole report - but i think i've experienced the same problem, the thread is: '2.6.24-rc6 reproducible raid5 hang' and the solution was for my setup was to upgrade to 2.6.25-rc6 it doesn't occur using other fs - as a quick test you could try out ext3/jfs cheers, kirk > Added linux-raid to cc - this is not an XFS problem > > Cheers, > > Dave. > > On Wed, Mar 19, 2008 at 03:05:10PM +0000, David Flynn wrote: > > We are currently experiencing a problem with writing to xfs on a 20disk > > raid5 array. It seems very similar to a post in 2007nov09: > > > > Re: 2.6.23.1: mdadm/raid5 hung/d-state > > > > Using kernel 2.6.24. Unlike the previous post the array was in a clean > > state so no resync was occuring. We are able to read from the array, > > but any process that writes joins the list of blocked tasks > > > > The machine is: > > 2 of dual core opteron 280 > > 16GiB RAM > > 4 lots of 5 sata disks connected to sil3124 sata hba. > > Running 2.6.24 > > > > There was a single rsync process accessing the array at the time > > (~40MB/sec). > > > > Random other bits[1]: > > # cat /sys/block/md1/md/stripe_cache_active > > 256 > > # cat /sys/block/md1/md/stripe_cache_size > > 256 > > > > Example of sysrq-w: > > -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
