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Re: need help how to debug xfs crash issue xfs_iunlink_remove: xfs_inoto

To: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Subject: Re: need help how to debug xfs crash issue xfs_iunlink_remove: xfs_inotobp() returned error 22
From: 符永涛 <yongtaofu@xxxxxxxxx>
Date: Fri, 12 Apr 2013 03:11:20 +0800
Cc: Ben Myers <bpm@xxxxxxx>, "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=pivlyUeDRyICDNUGD1usuB6hWtrcnHANtdhZipVAYBA=; b=Q2GqUamwyLPoXFfqNiCPJSVECQ4HTWFn0XgSmFTLwlG4KlXVIET3dSgQLLfwyrE5oN 2H/GUmTXTyi7ubNpYu2FlGv/Jj728YXz0TfIuLmB2LiNE7VnF0VeGBeOyRJcyfuCaS2y b/JMSeGjbMCpVK3Egeq2KjEvlg4zFBCa4inwq3VdytjKxT4D/AkhzrrrdtCKm/XYgROL 9VIMnwdfnIyUTgD3TPZ+FBEyt7IQBTpnkRhMsvXBPfQehDAOSq0MWGX8rOPnz7ljIKlO VnTjOANoFPW2RTF6QQuDmCjMu3fkFCi2ROH2lEE17s0xFyFaQGJ0X+ToNYg1I/+2ISQT svgw==
In-reply-to: <CADFMGu+yCg4ux0n6S98bqm_cXc=VCcijVBTqwRxvxmtKt_JO-A@xxxxxxxxxxxxxx>
References: <CADFMGuJm5bPPwbbUtYwrCVDL23KExJTw_-VRX2UEEdZjo+i5oA@xxxxxxxxxxxxxx> <CADFMGu+=MM2yc=_peboV7JTNJ8F05TJfexmEErzcf0D8mAWFRg@xxxxxxxxxxxxxx> <CADFMGuKqkPbpcU=taqjTR4sA3o=w1LLAnKoEuj=OhJqEbQVijw@xxxxxxxxxxxxxx> <20130409145238.GE22182@xxxxxxx> <CADFMGuJaiH0wuxOHrDjDn7qRVH+vQkLOOSPUyqSdXnLcS47t3w@xxxxxxxxxxxxxx> <CADFMGu+TdyjTjMTWMwpdHqmszhpCU162UA4Y-njARwSEjM1xNw@xxxxxxxxxxxxxx> <20130410121025.78a42b22@xxxxxxxxxxxxxxxxxxxx> <CADFMGu+yCg4ux0n6S98bqm_cXc=VCcijVBTqwRxvxmtKt_JO-A@xxxxxxxxxxxxxx>
It happens tonight again on one of our servers, how to debug the root cause? Thank you.

Apr 12 02:32:10 cqdx kernel: XFS (sdb): xfs_iunlink_remove: xfs_inotobp() returned error 22.
Apr 12 02:32:10 cqdx kernel: XFS (sdb): xfs_inactive: xfs_ifree returned error 22
Apr 12 02:32:10 cqdx kernel: XFS (sdb): xfs_do_force_shutdown(0x1) called from line 1184 of file fs/xfs/xfs_vnodeops.c.  Return address = 0xffffffffa02ee20a
Apr 12 02:32:10 cqdx kernel: XFS (sdb): I/O Error Detected. Shutting down filesystem
Apr 12 02:32:10 cqdx kernel: XFS (sdb): Please umount the filesystem and rectify the problem(s)
Apr 12 02:32:19 cqdx kernel: XFS (sdb): xfs_log_force: error 5 returned.
Apr 12 02:32:49 cqdx kernel: XFS (sdb): xfs_log_force: error 5 returned.
Apr 12 02:33:19 cqdx kernel: XFS (sdb): xfs_log_force: error 5 returned.
Apr 12 02:33:49 cqdx kernel: XFS (sdb): xfs_log_force: error 5 returned.

xfs_repair -n


Phase 7 - verify link counts...
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2013/4/10 符永涛 <yongtaofu@xxxxxxxxx>
The storage info is as following:
RAID-6
SATA HDD
Controller: PERC H710P Mini (Embedded)
Disk /dev/sdb: 30000.3 GB, 30000346562560 bytes
255 heads, 63 sectors/track, 3647334 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

sd 0:2:1:0: [sdb] 58594426880 512-byte logical blocks: (30.0 TB/27.2 TiB)
sd 0:2:1:0: [sdb] Write Protect is off
sd 0:2:1:0: [sdb] Mode Sense: 1f 00 00 08
sd 0:2:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sd 0:2:1:0: [sdb] Attached SCSI disk

*-storage               
       description: RAID bus controller
       product: MegaRAID SAS 2208 [Thunderbolt]
       vendor: LSI Logic / Symbios Logic
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: scsi0
       version: 01
       width: 64 bits
       clock: 33MHz
       capabilities: storage pm pciexpress vpd msi msix bus_master cap_list rom
       configuration: driver=megaraid_sas latency=0
       resources: irq:42 ioport:fc00(size=256) memory:dd7fc000-dd7fffff memory:dd780000-dd7bffff memory:dc800000-dc81ffff(prefetchable)
     *-disk:0
          description: SCSI Disk
          product: PERC H710P
          vendor: DELL
          physical id: 2.0.0
          bus info: scsi@0:2.0.0
          logical name: /dev/sda
          version: 3.13
          serial: 0049d6ce1d9f2035180096fde490f648
          size: 558GiB (599GB)
          capabilities: partitioned partitioned:dos
          configuration: ansiversion=5 signature=000aa336
     *-disk:1
          description: SCSI Disk
          product: PERC H710P
          vendor: DELL
          physical id: 2.1.0
          bus info: scsi@0:2.1.0
          logical name: /dev/sdb
          logical name: /mnt/xfsd
          version: 3.13
          serial: 003366f71da22035180096fde490f648
          size: 27TiB (30TB)
          configuration: ansiversion=5 mount.fstype=xfs mount.options=rw,relatime,attr2,delaylog,logbsize=64k,sunit=128,swidth=1280,noquota state=mounted

Thank you.


2013/4/10 Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Le Tue, 9 Apr 2013 23:10:03 +0800
符永涛 <yongtaofu@xxxxxxxxx> écrivait:

> > Apr  9 11:01:30 cqdx kernel: XFS (sdb): I/O Error Detected.
> > Shutting down filesystem

This. I/O error detected. That means that at some point the underlying
device (disk, RAID array, SAN volume) couldn't be reached. So this
could very well be a case of a flakey drive, array, cable or SCSI
driver.

What's the storage setup here?

--
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Emmanuel Florac     |   Direction technique
                    |   Intellique
                    |   <eflorac@xxxxxxxxxxxxxx>
                    |   +33 1 78 94 84 02
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符永涛



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