On Thu December 10 2009, Matt Tehonica wrote: > On Dec 10, 2009, at 7:47 PM, Richard Scobie <richard@xxxxxxxxxxx> wrote: > > Matthew Tehonica wrote: > >> After about 5 minutes, I try to cat /proc/mdstat again and it just > >> freezes and sits there with the cursor flashing. At this point, I > >> can do anything with mdadm, not even like a --detail on another > >> array on the system. Just sits there and flashes. I've tried with > >> a bunch of different disks and same thing all the time. Here is a > >> section from my kern.log. Dec 10 19:01:07 ghostrider kernel: [ > >> 1338.011320 ] /build/buildd/linux-2.6.31/drivers/scsi/mvsas/mv_sas.c > >> 1669:mvs_abort_task:rc= 5 > >> Dec 10 19:01:07 ghostrider kernel: [ 1338.011330] /build/buildd/ > >> linux-2.6.31/drivers/scsi/mvsas/mv_sas.c 1608:mvs_query_task:rc= 5 > >> Dec 10 19:01:07 ghostrider kernel: [ 1338.011343] /build/buildd/ > >> linux-2.6.31/drivers/scsi/mvsas/mv_sas.c 1669:mvs_abort_task:rc= 5 > >> Dec 10 19:01:07 ghostrider kernel: [ 1338.011349] /build/buildd/ > >> linux-2.6.31/drivers/scsi/mvsas/mv_sas.c 1608:mvs_query_task:rc= 5 > >> Dec 10 19:01:07 ghostrider kernel: [ 1338.011443] /build/buildd/ > >> linux-2.6.31/drivers/scsi/mvsas/mv_sas.c 1669:mvs_abort_task:rc= 5 > >> Dec 10 19:01:07 ghostrider kernel: [ 1338.011449] /build/buildd/ > >> linux-2.6.31/drivers/scsi/mvsas/mv_sas.c 1608:mvs_query_task:rc= 5 > >> Dec 10 19:01:07 ghostrider kernel: [ 1338.011461] end_request: I/O > >> error, dev sdf, sector 0 > >> Dec 10 19:01:07 ghostrider kernel: [ 1338.011472] md: super_written > >> gets error=-5, uptodate=0 > > > > Looks like the drives are being dropped by the controller. > > > > I believe there was some recent discussion here about mv_sas, md and > > failures under heavy I/O load. > > > > Regards, > > > > Richard > > -- > > 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 > > Thanks Richard! After some more review I found many people with this > problem and appears the linux-scsi devs submitted patches mid last > month. Building the latest kernel as we speak! I'd be one of them ;) I have a somewhat old copy of the new mvsas drivers, and have been running a 5x1TB raid5 array for about a month now and haven't had any problems (other than 2.6.31 being horribly io bound). > -- > 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 > -- Thomas Fjellstrom tfjellstrom@xxxxxxx -- 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
