Kernel Device-mapper Ioctl Error Adding Target To Table Redhat
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Device-mapper: Ioctl: Error Adding Target To Table Ubuntu
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Device-mapper: Table: 252:0: Multipath: Error Getting Device
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sorted by: [ date ] [ thread ] [ subject ] [ author ] Hi Jorick, This error is most often caused by multipath attempting to map a device which is already in use, such
Multipath Error Getting Device Centos
as if its mounted or mapped by an active LVM logical volume. If
Domap (0) Failure For Create/reload Map
the blacklist in /etc/multipath.conf does not restrict multipath from mapping the device, then when it gets run during boot multipath.conf blacklist it will attempt to map it. Because the device is in use, this mapping will fail. Have you tried the blacklisting procedure mentioned at comment 3 in the bug? https://bugzilla.redhat.com/show_bug.cgi?id=675366#c3 ----- Original Message https://access.redhat.com/solutions/38538 ----- > From: "Jorick Astrego"
Issues Roadmap View Issue Details[Jump to Notes] https://bugs.centos.org/view.php?id=3290 [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. error getting 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 error getting device 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