Multipath Device Mapper Error Adding Target Table
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Device-mapper: Table: 253:6: Multipath: Error Getting Device
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Re: [dm-devel] Fwd: multipath errors Date: Fri, 27 Sep 2013 15:11:04 -0500 On Mon, Sep 23, 2013 at 11:09:18AM +0300, Amitai Alkalay wrote: > Hi, > Sorry for bumping, but I will appreciate any
Ovirt "multipath: Error Getting Device"
help on this matter.. > Thanks, > Amitai > > ---------- Forwarded message device-mapper: ioctl: error adding target to table suse ---------- > From: Amitai Alkalay <[1]amitai alkalay work gmail com> > Date: Tue, Sep 10, 2013 at 2:29 PM multipath error getting device centos > Subject: multipath errors > To: [2]dm-devel redhat com > > hi, > I sometimes see cases where io failed after some path failover, although > there are other valid paths. > https://access.redhat.com/solutions/38538 I seem to get a lot of the following errors during a path removal > (failover): > > Aug 1 08:59:37 lg641 multipathd: 3514f0c532d80000a: failed in domap for removal of path sdcy > Aug 1 08:59:37 lg641 multipathd: uevent trigger error > Aug 1 08:59:37 lg641 multipathd: sdt: remove path (uevent) > Aug 1 08:59:37 lg641 kernel: device-mapper: table: 253:5: multipath: error getting device > https://www.redhat.com/archives/dm-devel/2013-September/msg00168.html Aug 1 08:59:37 lg641 kernel: device-mapper: ioctl: error adding target to table > Aug 1 08:59:37 lg641 multipathd: 3514f0c532d800001: load table [0 21474836480 multipath 0 0 1 1 queue-length 0 12 1 66:240 1 66:80 1 70:192 1 71:96 1 67:176 1 67:112 1 71:224 1 128:128 1 8: > 16 1 69:16 1 69:32 1 8:32 1] > Aug 1 08:59:37 lg641 multipathd: sdt: path removed from map 3514f0c532d800001f > > All the other paths are there, and still multipath decided to fail the io > with no apparent reason.� > > I would appreciate any comment about: > > 1. How can this happen. It shouldn't. The kernel should check through all of the paths before failing. Sometimes some actions on storage arrays temporarily bring all paths down, but even in that case, you should see messages in the logs of multipath trying all the paths before it fails. > 2. How can I increase the log level to understand multipath decisions. in /etc/multipath.conf defaults { ... verbosity 3 } This will add a lot of extra logging. Make sure that your logging isn't rate limited, or you will miss messa
issue after upgrade from 5.5 to 5.6 General support questions including new installations Post Reply Print view Search http://www.centos.org/forums/viewtopic.php?t=17607 Advanced search 11 posts 1 2 Next cramblda Posts: 7 https://bugs.centos.org/view.php?id=3290 Joined: 2011/07/16 05:28:13 [RESOLVED] device-mapper issue after upgrade from 5.5 to 5.6 Quote Postby cramblda » 2011/07/16 05:47:28 I updated from 5.5 to 5.6 today and now my /dev/vg0/lvol0 mount point is not showing up and I am seeing the following kernel error getting messages on boot up:md: Autodetecting RAID arrays.md: autorun ...md: ... autorun DONE.device-mapper: multipath: version 1.0.6 loadeddevice-mapper: table: 253:4: linear: dm-linear: Device lookup faileddevice-mapper: ioctl: error adding target to tableLinux 2.6.18-238.12.1.el5 #1 SMP Tue May 31 13:23:01 EDT 2011 i686 i686 i386 GNU/LinuxDid some research and found info regarding dmsetup:#dmsetup statusvg0-lvol0:pdc_eehgddjjp1: 0 976768002 linearpdc_eehgddjj: error getting device 0 976772992 linearvia_cdeadaheebp1: 0 976768002 linearvia_cdeadaheeb: 0 1953546240 striped 2 8:0 8:16 1 AALooks like something is wrong with the vg0-lvol0 entry above, but I can't figure out how to fix it.David Top cramblda Posts: 7 Joined: 2011/07/16 05:28:13 Re: device-mapper issue after upgrade from 5.5 to 5.6 Quote Postby cramblda » 2011/07/16 05:50:27 I should also note the system has 5 Hard Disk Drives. So two additional drives are missing from each of the pdc and via controllers in the "dmsetup status" output Top pschaff Retired Moderator Posts: 18276 Joined: 2006/12/13 20:15:34 Location: Tidewater, Virginia, North America Contact: Contact pschaff Website [RESOLVED] device-mapper issue after upgrade from 5.5 to 5.6 Quote Postby pschaff » 2011/07/17 19:22:35 Welcome to the CentOS fora. Please see the recommended reading for new users linked in my signature.Please provide more information about your system by running "./getinfo.sh" as root and showing us the output file. Top cramblda Posts: 7 Joined: 2011/0
Issues Roadmap View Issue Details[Jump to Notes] [Issue History] [Print] IDProjectCategoryView StatusDate SubmittedLast Update0003290CentOS-5device-mapper-multipathpublic2008-12-08 16:112008-12-11 12:15ReporterfinistPrioritynormalSeveritymajorReproducibilityalwaysStatusfeedbackResolutionopenProduct Version5.2Target VersionFixed in VersionSummary0003290: multipath does not work (device-mapper: table: 253:0: multipath: error getting device)Descriptioni've faced a strange issue with multipathing: the goal is to install CentOS5.2 and use multipath root device. 1) CentOS 4.x work fine 2) CentOS 5.2 installs fine (with installation command "linux mpath"), but the resulting systems seems not using multipath: [root@localhost ~]# l /dev/mapper/ total 0 1217 drwxr-xr-x 2 root 60 Dec 8 17:41 ./ 1214 drwxr-xr-x 10 root 14320 Dec 8 17:44 ../ 4795 crw------- 1 root 10, 63 Dec 8 17:41 control [root@localhost ~]# multipath -v2 [root@localhost ~]# multipath -v2 -d create: mpath0 (3600508b400011c130003000000fc0000) COMPAQ,HSV111 (C)COMPAQ [size=100G][features=0][hwhandler=1 hp-sw] \_ round-robin 0 [prio=4][undef] \_ 0:0:0:1 sda 8:0 [undef][ready] \_ 0:0:1:1 sdb 8:16 [undef][ready] \_ 1:0:0:1 sdc 8:32 [undef][ready] \_ 1:0:1:1 sdd 8:48 [undef][ready] [root@localhost ~]# cat /etc/multipath.conf defaults { user_friendly_names yes } blacklist { devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*" devnode "^(hd|xvd)[a-z]*" wwid "*" } # Make sure our multipath devices are enabled. blacklist_exceptions { wwid "3600508b400011c130003000000fc0000" } multipaths { multipath { wwid "3600508b400011c130003000000fc0000" alias mpath0 } } devices { device { vendor "HP|COMPAQ*" product "HSV1*" hardware_handler "1 hp-sw" path_grouping_policy group_by_prio } } The error happens on "reload" ioctl: [root@localhost ~]# multipath -v9 ... mpath0: pgfailover = -1 (internal default) mpath0: pgpolicy = failover (internal default) mpath0: selector = round-robin 0 (internal default) mpath0: features = 0 (internal default) mpath0: hwhandler = 1 hp-sw (controller setting) mpath0: rr_weight = 1 (internal default) mpath0: minio = 1000 (config file default) mpath0: no_path_retry = NONE (internal default) pg_timeout = NONE (internal default) mpath0: set ACT_CREATE (map does not exist) libdevmapper: ioctl/libdm-iface.c(1623): device-mapper: reload ioctl failed: Invalid argument mpath0: domap (0) failure for create/reload map mpath0: remove multipath map ... dmesg aft