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  • How to troubleshoot device-mapper: table: 253:7: multipath: error getting device?

    Posted on

    version:redhat 6.4
    problem:

    [root@j1 ~]#dmesg
    [Hardware Error]: Machine check events logged
    [Hardware Error]: Machine check events logged
    [Hardware Error]: Machine check events logged
    [Hardware Error]: Machine check events logged
    ISO 9660 Extensions: Microsoft Joliet Level 3
    ISO 9660 Extensions: RRIP_1991A
    device-mapper: table: 253:7: multipath: error getting device
    device-mapper: ioctl: error adding target to table
    device-mapper: table: 253:7: multipath: error getting device
    device-mapper: ioctl: error adding target to table
    device-mapper: table: 253:7: multipath: error getting device
    device-mapper: ioctl: error adding target to table
    device-mapper: table: 253:7: multipath: error getting device
    device-mapper: ioctl: error adding target to table
    
    [root@j1 ~]# dmsetup info -C
    Name             Maj Min Stat Open Targ Event  UUID
    vg00-LogVol01    253   5 L--w    1    1      0 LVM-eJV2Rjx11AacJLzet6tcb2z2O9PTUku64U1mtUXXTcl72B6Iu6W5V6Hin7uTNOkw
    vg00-LogVol00    253   0 L--w    1    1      0 LVM-eJV2Rjx11AacJLzet6tcb2z2O9PTUku6EJrCeqVbJoyKw44HELUYjF9N2dVlHc4Q
    mpathd           253   4 L--w   33    1      1 mpath-36001438009b064580000400000710000
    mpathc           253   3 L--w    9    1      1 mpath-36001438009b064580000400000650000
    mpathb           253   2 L--w   63    1      1 mpath-36001438009b0645800004000006b0000
    vg00-LogVol03    253   1 L--w    1    1      0 LVM-eJV2Rjx11AacJLzet6tcb2z2O9PTUku6HogLq442U3F5A2Kj4PDAOm56R1Krex2j
    vg00-LogVol02    253   6 L--w    1    1      0 LVM-eJV2Rjx11AacJLzet6tcb2z2O9PTUku6wQS2Nd3n04mFad51Lx1Y8VBdqIxHq0KV
    
    [root@j1 ~]# vgs
      VG   #PV #LV #SN Attr   VSize   VFree
      vg00   1   4   0 wz--n- 558.68g 369.23g
    [root@j1 ~]# pvs
      PV         VG   Fmt  Attr PSize   PFree
      /dev/sda2  vg00 lvm2 a--  558.68g 369.23g
    [root@j1 ~]# lvs
      LV       VG   Attr      LSize  Pool Origin Data%  Move Log Cpy%Sync Convert
      LogVol00 vg00 -wi-ao--- 97.66g
      LogVol01 vg00 -wi-ao---  9.77g
      LogVol02 vg00 -wi-ao--- 19.53g
      LogVol03 vg00 -wi-ao--- 62.50g
    [root@j1 ~]# lsmod |grep dm_multipath
    dm_multipath           17756  4 dm_round_robin
    dm_mod                 82839  22 dm_multipath,dm_mirror,dm_log
    
    root@j1 ~]# grep -v ^$ /etc/multipath.conf
    defaults {
            udev_dir                /dev
            polling_interval        10
            path_selector           "round-robin 0"
            path_grouping_policy    failover
            getuid_callout          "/lib/udev/scsi_id --whitelisted --device=/dev/%n"
            prio                    alua
            path_checker            tur
            rr_min_io               100
            rr_min_io_rq            1
            rr_weight               uniform
            failback                immediate
            no_path_retry           12
            user_friendly_names     yes
    }
    blacklist {
            devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]"
            devnode "^hd[a-z][[0-9]]"
            devnode "^cciss!c[0-9]d[0-9]"
            devnode "^sda[0-9]"
    }
    devices {
            device {
                   vendor                   "HP"
                   product                  "OPEN-."
                   path_grouping_policy     multibus
                   getuid_callout           "/lib/udev/scsi_id --whitelisted --device=/dev/%n"
                   path_selector            "round-robin 0"
                   path_checker             tur
                   features                 "0"
                   hardware_handler         "0"
                   prio                     const
                   failback                 immediate
                   rr_weight                uniform
                   no_path_retry            queue
                   rr_min_io                1000
                   rr_min_io_rq             1
           }
    }
    

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