Moved: "multipath: C9 Inquiry of device </dev/sdk> failed

(moved from https://access.redhat.com/discussion/multipath-output-0#comment-3585)

This is my output in my servers

I have a installed a RHEL 5.6 and does not arise because the initial errors.

[root@srxen15 ~]# multipath -ll
C9 Inquiry of device </dev/sdk> failed.
C9 Inquiry of device </dev/sdl> failed.
C9 Inquiry of device </dev/sdm> failed.
C9 Inquiry of device </dev/sdq> failed.
C9 Inquiry of device </dev/sdr> failed.
C9 Inquiry of device </dev/sds> failed.
QASTAGE (2001738000a7a13c8) dm-4 IBM,2810XIV
[size=304G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=0][active]
 \_ 2:0:1:1 sdk 8:160 [active][ready]
 \_ 2:0:2:1 sdl 8:176 [active][ready]
 \_ 2:0:3:1 sdm 8:192 [active][ready]
 \_ 1:0:2:1 sdq 65:0  [active][ready]
 \_ 1:0:3:1 sdr 65:16 [active][ready]
 \_ 1:0:4:1 sds 65:32 [active][ready]
IDS_OLVGUM (3600a0b800047bcbc0000fe8f4cb7f4e2) dm-2 IBM,1818      FAStT
[size=140G][features=0][hwhandler=1 rdac][rw]
\_ round-robin 0 [prio=200][active]
 \_ 1:0:0:2 sdd 8:48  [active][ready]
 \_ 2:0:0:2 sdh 8:112 [active][ready]
\_ round-robin 0 [prio=0][enabled]
 \_ 1:0:1:2 sdo 8:224 [active][ready]
xen_lun_1 (3600a0b800047bcbc0000f5f54c1709eb) dm-0 IBM,1818      FAStT
[size=50G][features=0][hwhandler=1 rdac][rw]
\_ round-robin 0 [prio=200][active]
 \_ 1:0:0:0 sdb 8:16  [active][ready]
 \_ 2:0:0:0 sdf 8:80  [active][ready]
\_ round-robin 0 [prio=0][enabled]
 \_ 1:0:1:0 sdj 8:144 [active][ready]
IDS (3600a0b800047bcbc0000fe8c4cb7f4ce) dm-1 IBM,1818      FAStT
[size=120G][features=0][hwhandler=1 rdac][rw]
\_ round-robin 0 [prio=200][active]
 \_ 1:0:0:1 sdc 8:32  [active][ready]
 \_ 2:0:0:1 sdg 8:96  [active][ready]
\_ round-robin 0 [prio=0][enabled]
 \_ 1:0:1:1 sdn 8:208 [active][ready]
QUORUM (3600a0b800047bcbc0000148d4d82df8b) dm-3 IBM,1818      FAStT
[size=200M][features=0][hwhandler=1 rdac][rw]
\_ round-robin 0 [prio=0][enabled]
 \_ 1:0:0:3 sde 8:64  [active][ready]
 \_ 2:0:0:3 sdi 8:128 [active][ready]
\_ round-robin 0 [prio=100][active]
 \_ 1:0:1:3 sdp 8:240 [active][ready]

This is my multipath.conf

# cat /etc/multipath.conf
# $Id: multipath.conf,v 1.4 2010/08/11 08:41:17 root Exp root $

# Blacklist all devices by default. Remove this to enable multipathing
# on the default devices.
blacklist {
        devnode "sda"

}

## Use user friendly names, instead of using WWIDs as names.
defaults {
    user_friendly_names        yes
    polling_interval        30
    flush_on_last_del        yes
        path_grouping_policy        group_by_serial
    no_path_retry            fail
        path_checker            tur
        failback            manual
    prio_callout "/sbin/mpath_prio_rdac /dev/%n"
}

devices {
    device {
        vendor            "IBM"
        product        "1818"
        hardware_handler    "1 rdac"
    }
        device {
                vendor                  "IBM"
                product                 "2810XIV"
                rr_min_io 1000
                path_checker tur
                failback immediate
                no_path_retry queue
        }

}

multipaths {
    multipath {
        wwid               3600a0b800047bcbc0000f5f54c1709eb
        alias              xen_lun_1
    }
    multipath {
            wwid               3600a0b800047bcbc0000fe8c4cb7f4ce
            alias              IDS
    }
    multipath {
        wwid               3600a0b800047bcbc0000fe8f4cb7f4e2
            alias              IDS_OLVGUM
    }
    multipath {
        wwid            2001738000a7a13c8
        alias            QASTAGE
    }
    multipath {
        wwid            3600a0b800047bcbc0000148d4d82df8b
        alias            QUORUM
    }

}