From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E5BFB7F5F for ; Tue, 1 Sep 2015 20:34:03 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 8AAC2AC012 for ; Tue, 1 Sep 2015 18:34:03 -0700 (PDT) Received: from smtpbguseast2.qq.com (smtpbguseast2.qq.com [54.204.34.130]) by cuda.sgi.com with ESMTP id zROm8yuHaIDDaLFZ (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 01 Sep 2015 18:33:57 -0700 (PDT) Subject: Re: Ask help on an issue 'XFS (sd*): discard failed for extent, error 5' References: <55E52198.7070607@unitedstack.com> <55E52975.8020005@sandeen.net> <55E53C84.1040606@unitedstack.com> <55E59905.80105@sandeen.net> From: Jevon Qiao Message-ID: <55E651F9.3020805@unitedstack.com> Date: Wed, 2 Sep 2015 09:33:45 +0800 MIME-Version: 1.0 In-Reply-To: <55E59905.80105@sandeen.net> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Eric Sandeen , xfs-oss On 1/9/15 20:24, Eric Sandeen wrote: > On 9/1/15 12:49 AM, Jevon Qiao wrote: >> Hi Eric >> >> Thank you very much for the prompt response. >> On 1/9/15 12:28, Eric Sandeen wrote: >>> On 8/31/15 10:55 PM, Jevon Qiao wrote: >>>> Hi All, >>>> >>>> Currently, I notice that there are lot's of errors written in the /var/log/messages file. >>>> >>>> 2015-08-29T23:58:54.477236+00:00 server-68 kernel: sd 0:0:4:0: [sdc] >>>> 2015-08-29T23:58:54.477255+00:00 server-68 kernel: Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE >>>> 2015-08-29T23:58:54.477256+00:00 server-68 kernel: sd 0:0:4:0: [sdc] >>>> 2015-08-29T23:58:54.477257+00:00 server-68 kernel: Sense Key : Illegal Request [current] >>>> 2015-08-29T23:58:54.477258+00:00 server-68 kernel: sd 0:0:4:0: [sdc] >>>> 2015-08-29T23:58:54.477259+00:00 server-68 kernel: Add. Sense: Invalid field in parameter list >>>> 2015-08-29T23:58:54.477260+00:00 server-68 kernel: sd 0:0:4:0: [sdc] CDB: >>>> 2015-08-29T23:58:54.477261+00:00 server-68 kernel: Unmap/Read sub-channel: 42 00 00 00 00 00 00 00 18 00 >>>> 2015-08-29T23:58:54.477263+00:00 server-68 kernel: end_request: critical target error, dev sdc, sector 325046824 >>>> 2015-08-29T23:58:54.477268+00:00 server-68 kernel: XFS (sdc2): discard failed for extent [0x64815,2021], error 5 >>>> >>>> Has anyone encountered the same issue before? How can you solve it? >>> Looks like xfs is simply reacting to errors from the storage; I'd try to get >>> to the bottom of why you're getting all those scsi errors. >> I just want to understand the meaning of 'XFS (sdc2): discard failed >> for extent [0x64815,2021], error 5', does it mean one of the layers >> beneath xfs does not support DISCARD? Could you please show me more >> clues? > "error 5" is EIO. That's as much as I can tell you from the XFS perspective. > > I don't know what the block/scsi errors mean, exactly; it does seem as > if it may not support discard, but it must have advertised that it did, or > the discard would not have been issued in the first place. Thank you for the further help on this. > You haven't said what kernel or storage you're on. > OTOH, even if you do, it's a scsi/storage issue that the xfs list probably > can't help much with. OK, I see. Thanks, Jevon > -Eric > >> Thanks, >> Jevon >>> But probably not on the xfs list. :) >>> >>> -Eric >>> >>>> Thanks, >>>> Jevon >>>> >>>> >>>> _______________________________________________ >>>> xfs mailing list >>>> xfs@oss.sgi.com >>>> http://oss.sgi.com/mailman/listinfo/xfs >>>> >>> _______________________________________________ >>> xfs mailing list >>> xfs@oss.sgi.com >>> http://oss.sgi.com/mailman/listinfo/xfs >> >> _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs