And I'm not sure what kind of information is important to debug this issue?
Thank you.2013/4/12 符永涛 <yongtaofu@xxxxxxxxx>
Thank you very much. May be I can try to collect more logs with a modified kernel package.The xfs shutdown error is always the same. (It happens about 20 times on about 50 servers during last half year)The shutdown tend to happen when we run rebalance for the glusterfs cluster which I guess will trigger a lot of unlink operations?
Recently the shutdown happens on the cluster with 24 servers(dis 8 * replica 3) during rebalance. The average work load of this cluster is more than 3TB growth per day.
The work load including normal fops, rsync jobs, video encoding/decoding, logging etc. through glusterfs native client of hundreds of machines.
--2013/4/12 Brian Foster <bfoster@xxxxxxxxxx>
On 04/11/2013 08:45 PM, 符永涛 wrote:This describes your cluster, but not the workload (though cluster info
> the workload is about:
> 24 servers, replica(3) which means the distribute is 8
> load is about 3(TB)-8(TB) per day.
>
is good too). What kind of workload is running on your clients (i.e.,
rsync jobs, etc.)? Are you running through native gluster mount points,
NFS mounts or a mix? Do you have any gluster internal operations running
(i.e., rebalance, etc.).
Is there any kind of pattern you can discern from the workload and when
the XFS error happens to occur? You have a good number of servers in
play here, is there any kind of pattern in terms of which servers
experience the error? Is it always the same servers or a random set?
Brian
>
> 2013/4/12 Brian Foster <bfoster@xxxxxxxxxx <mailto:bfoster@xxxxxxxxxx>>
> <mailto:yongtaofu@xxxxxxxxx <mailto:yongtaofu@xxxxxxxxx>>>>
> On 04/11/2013 03:11 PM, 符永涛 wrote:
> > It happens tonight again on one of our servers, how to debug the root
> > cause? Thank you.
> >
>
> Hi,
>
> I've attached a system tap script (stap -v xfs.stp) that should
> hopefully print out a bit more data should the issue happen again. Do
> you have a small enough number of nodes (or predictable enough pattern)
> that you could run this on the nodes that tend to fail and collect the
> output?
>
> Also, could you collect an xfs_metadump of the filesystem in question
> and make it available for download and analysis somewhere? I believe the
> ideal approach is to mount/umount the filesystem first to replay the log
> before collecting a metadump, but somebody could correct me on that (to
> be safe, you could collect multiple dumps: pre-mount and post-mount).
>
> Could you also describe your workload a little bit? Thanks.
>
> Brian
>
> > 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...
> > would have reset inode 20021 nlinks from 0 to 1
> > would have reset inode 20789 nlinks from 0 to 1
> > would have reset inode 35125 nlinks from 0 to 1
> > would have reset inode 35637 nlinks from 0 to 1
> > would have reset inode 36149 nlinks from 0 to 1
> > would have reset inode 38197 nlinks from 0 to 1
> > would have reset inode 39477 nlinks from 0 to 1
> > would have reset inode 54069 nlinks from 0 to 1
> > would have reset inode 62261 nlinks from 0 to 1
> > would have reset inode 63029 nlinks from 0 to 1
> > would have reset inode 72501 nlinks from 0 to 1
> > would have reset inode 79925 nlinks from 0 to 1
> > would have reset inode 81205 nlinks from 0 to 1
> > would have reset inode 84789 nlinks from 0 to 1
> > would have reset inode 87861 nlinks from 0 to 1
> > would have reset inode 90663 nlinks from 0 to 1
> > would have reset inode 91189 nlinks from 0 to 1
> > would have reset inode 95541 nlinks from 0 to 1
> > would have reset inode 98101 nlinks from 0 to 1
> > would have reset inode 101173 nlinks from 0 to 1
> > would have reset inode 113205 nlinks from 0 to 1
> > would have reset inode 114741 nlinks from 0 to 1
> > would have reset inode 126261 nlinks from 0 to 1
> > would have reset inode 140597 nlinks from 0 to 1
> > would have reset inode 144693 nlinks from 0 to 1
> > would have reset inode 147765 nlinks from 0 to 1
> > would have reset inode 152885 nlinks from 0 to 1
> > would have reset inode 161333 nlinks from 0 to 1
> > would have reset inode 161845 nlinks from 0 to 1
> > would have reset inode 167477 nlinks from 0 to 1
> > would have reset inode 172341 nlinks from 0 to 1
> > would have reset inode 191797 nlinks from 0 to 1
> > would have reset inode 204853 nlinks from 0 to 1
> > would have reset inode 205365 nlinks from 0 to 1
> > would have reset inode 215349 nlinks from 0 to 1
> > would have reset inode 215861 nlinks from 0 to 1
> > would have reset inode 216373 nlinks from 0 to 1
> > would have reset inode 217397 nlinks from 0 to 1
> > would have reset inode 224309 nlinks from 0 to 1
> > would have reset inode 225589 nlinks from 0 to 1
> > would have reset inode 234549 nlinks from 0 to 1
> > would have reset inode 234805 nlinks from 0 to 1
> > would have reset inode 249653 nlinks from 0 to 1
> > would have reset inode 250677 nlinks from 0 to 1
> > would have reset inode 252469 nlinks from 0 to 1
> > would have reset inode 261429 nlinks from 0 to 1
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> > would have reset inode 266805 nlinks from 0 to 1
> > would have reset inode 267317 nlinks from 0 to 1
> > would have reset inode 268853 nlinks from 0 to 1
> > would have reset inode 272437 nlinks from 0 to 1
> > would have reset inode 273205 nlinks from 0 to 1
> > would have reset inode 274229 nlinks from 0 to 1
> > would have reset inode 278325 nlinks from 0 to 1
> > would have reset inode 278837 nlinks from 0 to 1
> > would have reset inode 281397 nlinks from 0 to 1
> > would have reset inode 292661 nlinks from 0 to 1
> > would have reset inode 300853 nlinks from 0 to 1
> > would have reset inode 302901 nlinks from 0 to 1
> > would have reset inode 305205 nlinks from 0 to 1
> > would have reset inode 314165 nlinks from 0 to 1
> > would have reset inode 315189 nlinks from 0 to 1
> > would have reset inode 320309 nlinks from 0 to 1
> > would have reset inode 324917 nlinks from 0 to 1
> > would have reset inode 328245 nlinks from 0 to 1
> > would have reset inode 335925 nlinks from 0 to 1
> > would have reset inode 339253 nlinks from 0 to 1
> > would have reset inode 339765 nlinks from 0 to 1
> > would have reset inode 348213 nlinks from 0 to 1
> > would have reset inode 360501 nlinks from 0 to 1
> > would have reset inode 362037 nlinks from 0 to 1
> > would have reset inode 366389 nlinks from 0 to 1
> > would have reset inode 385845 nlinks from 0 to 1
> > would have reset inode 390709 nlinks from 0 to 1
> > would have reset inode 409141 nlinks from 0 to 1
> > would have reset inode 413237 nlinks from 0 to 1
> > would have reset inode 414773 nlinks from 0 to 1
> > would have reset inode 417845 nlinks from 0 to 1
> > would have reset inode 436021 nlinks from 0 to 1
> > would have reset inode 439349 nlinks from 0 to 1
> > would have reset inode 447029 nlinks from 0 to 1
> > would have reset inode 491317 nlinks from 0 to 1
> > would have reset inode 494133 nlinks from 0 to 1
> > would have reset inode 495413 nlinks from 0 to 1
> > would have reset inode 501301 nlinks from 0 to 1
> > would have reset inode 506421 nlinks from 0 to 1
> > would have reset inode 508469 nlinks from 0 to 1
> > would have reset inode 508981 nlinks from 0 to 1
> > would have reset inode 511797 nlinks from 0 to 1
> > would have reset inode 513077 nlinks from 0 to 1
> > would have reset inode 517941 nlinks from 0 to 1
> > would have reset inode 521013 nlinks from 0 to 1
> > would have reset inode 522805 nlinks from 0 to 1
> > would have reset inode 523317 nlinks from 0 to 1
> > would have reset inode 525621 nlinks from 0 to 1
> > would have reset inode 527925 nlinks from 0 to 1
> > would have reset inode 535605 nlinks from 0 to 1
> > would have reset inode 541749 nlinks from 0 to 1
> > would have reset inode 573493 nlinks from 0 to 1
> > would have reset inode 578613 nlinks from 0 to 1
> > would have reset inode 583029 nlinks from 0 to 1
> > would have reset inode 585525 nlinks from 0 to 1
> > would have reset inode 586293 nlinks from 0 to 1
> > would have reset inode 586805 nlinks from 0 to 1
> > would have reset inode 591413 nlinks from 0 to 1
> > would have reset inode 594485 nlinks from 0 to 1
> > would have reset inode 596277 nlinks from 0 to 1
> > would have reset inode 603189 nlinks from 0 to 1
> > would have reset inode 613429 nlinks from 0 to 1
> > would have reset inode 617781 nlinks from 0 to 1
> > would have reset inode 621877 nlinks from 0 to 1
> > would have reset inode 623925 nlinks from 0 to 1
> > would have reset inode 625205 nlinks from 0 to 1
> > would have reset inode 626741 nlinks from 0 to 1
> > would have reset inode 639541 nlinks from 0 to 1
> > would have reset inode 640053 nlinks from 0 to 1
> > would have reset inode 640565 nlinks from 0 to 1
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> > would have reset inode 652853 nlinks from 0 to 1
> > would have reset inode 656181 nlinks from 0 to 1
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> > would have reset inode 663605 nlinks from 0 to 1
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> > would have reset inode 680757 nlinks from 0 to 1
> > would have reset inode 691253 nlinks from 0 to 1
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> > would have reset inode 697653 nlinks from 0 to 1
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> > would have reset inode 707893 nlinks from 0 to 1
> > would have reset inode 716853 nlinks from 0 to 1
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> > would have reset inode 731957 nlinks from 0 to 1
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> > would have reset inode 828469 nlinks from 0 to 1
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> > would have reset inode 832053 nlinks from 0 to 1
> > would have reset inode 832565 nlinks from 0 to 1
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> > would have reset inode 841525 nlinks from 0 to 1
> > would have reset inode 845365 nlinks from 0 to 1
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> > would have reset inode 847157 nlinks from 0 to 1
> > would have reset inode 852533 nlinks from 0 to 1
> > would have reset inode 857141 nlinks from 0 to 1
> > would have reset inode 863271 nlinks from 0 to 1
> > would have reset inode 866855 nlinks from 0 to 1
> > would have reset inode 887861 nlinks from 0 to 1
> > would have reset inode 891701 nlinks from 0 to 1
> > would have reset inode 894773 nlinks from 0 to 1
> > would have reset inode 900149 nlinks from 0 to 1
> > would have reset inode 902197 nlinks from 0 to 1
> > would have reset inode 906293 nlinks from 0 to 1
> > would have reset inode 906805 nlinks from 0 to 1
> > would have reset inode 909877 nlinks from 0 to 1
> > would have reset inode 925493 nlinks from 0 to 1
> > would have reset inode 949543 nlinks from 0 to 1
> > would have reset inode 955175 nlinks from 0 to 1
> > would have reset inode 963623 nlinks from 0 to 1
> > would have reset inode 967733 nlinks from 0 to 1
> > would have reset inode 968231 nlinks from 0 to 1
> > would have reset inode 982069 nlinks from 0 to 1
> > would have reset inode 1007413 nlinks from 0 to 1
> > would have reset inode 1011509 nlinks from 0 to 1
> > would have reset inode 1014069 nlinks from 0 to 1
> > would have reset inode 1014581 nlinks from 0 to 1
> > would have reset inode 1022005 nlinks from 0 to 1
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> > would have reset inode 1025333 nlinks from 0 to 1
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> > would have reset inode 1044789 nlinks from 0 to 1
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> > would have reset inode 1081141 nlinks from 0 to 1
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> > would have reset inode 1153333 nlinks from 0 to 1
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> > would have reset inode 1242421 nlinks from 0 to 1
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> > would have reset inode 1322805 nlinks from 0 to 1
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> >
> >
> >
> >
> >
> > 2013/4/10 符永涛 <yongtaofu@xxxxxxxxx <mailto:yongtaofu@xxxxxxxxx>
> > <mailto:eflorac@xxxxxxxxxxxxxx <mailto:eflorac@xxxxxxxxxxxxxx>>>> >
> > 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
> <mailto:eflorac@xxxxxxxxxxxxxx>
> <mailto:yongtaofu@xxxxxxxxx <mailto:yongtaofu@xxxxxxxxx>>> écrivait:
> >> > <mailto:eflorac@xxxxxxxxxxxxxx
> > > > 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?
> >
> > --
> >
> ------------------------------------------------------------------------
> > Emmanuel Florac | Direction technique
> > | Intellique
> > | <eflorac@xxxxxxxxxxxxxx
> <mailto:eflorac@xxxxxxxxxxxxxx>
> <tel:%2B33%201%2078%2094%2084%2002>
> >> > xfs@xxxxxxxxxxx <mailto:xfs@xxxxxxxxxxx>
> ------------------------------------------------------------------------
> >
> >
> >
> >
> > --
> > 符永涛
> >
> >
> >
> >
> > --
> > 符永涛
> >
> >
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> > http://oss.sgi.com/mailman/listinfo/xfs
> >
>
>
>
>
> --
> 符永涛
>
>
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