Re: need help how to debug xfs crash issue xfs_iunlink_remove: xfs_inotobp() returned error 22

[符永涛 <yongtaofu@xxxxxxxxx>]

fs/xfs/xfs_vnodeops.c.  Return address = 0xffffffffa02ee20a

The return address always 0xffffffffa02ee20a?

2013/4/12 符永涛 <yongtaofu@xxxxxxxxx>

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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