From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Tehonica Subject: Re: mdadm creating raid5 with all spare disks Date: Thu, 10 Dec 2009 20:01:17 -0500 Message-ID: <6E2CD5BC-5F08-44A0-869C-1875DF5CCA9F@mac.com> References: <1D0665FE-138F-480F-9872-48C94CEBC5C2@mac.com> <20091211071006.56270ebf@notabene.brown> <91296851101702456968380052308470713510-Webmail@me.com> <4B2196B0.2090604@sauce.co.nz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes Content-Transfer-Encoding: 7BIT Return-path: In-reply-to: <4B2196B0.2090604@sauce.co.nz> Sender: linux-raid-owner@vger.kernel.org To: Richard Scobie Cc: "linux-raid@vger.kernel.org" List-Id: linux-raid.ids On Dec 10, 2009, at 7:47 PM, Richard Scobie 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@vger.kernel.org > 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!