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RE: [dm-devel] rdac path failure - Sun 6140



> -----Original Message-----
> From: dm-devel-bounces redhat com [mailto:dm-devel-bounces redhat com] On
> Behalf Of Stewart Smith
> Sent: Friday, August 14, 2009 10:58 AM
> To: device-mapper development
> Subject: Re: [dm-devel] rdac path failure - Sun 6140
>
> I will test this today.
>
> Does everything look OK from a configuration standpoint?  Should the

 I have verified your configuration file. It looks fine..

> RDAC virtual HBA drivers from LSI be a requirement?  I am not
> currently using them.

 You can't use both the solutions at once. You are fine..

> Thank you,
> --
> Stew
>
>
>
>
> On Thu, Aug 13, 2009 at 5:05 PM, Moger, Babu<Babu Moger lsi com> wrote:
> > Stew,
> >
> >      I don’t see much information about this failure in the logs. Right
> now
> > device handlers don’t provide much information on failures.  We are
> working
> > on to add some more debug levels.  I am attaching my draft code
> > (scsi_dh_rdac.c) here.  Please use this only for your testing. It is not
> > been approved/reviewed yet. I still need to submit this one to community
> for
> > approval. The code is attached.  Please replace this file with
> > scsi_dh_rdac.c in the directory /driver/scsi/device_handlers and rebuild
> the
> > kernel.  This should give more information from the target point of
> view.
> > Please send me the /var/log/messages file after the failure. Let see if
> we
> > can get more information..
> >
> >
> >
> > Thanks
> >
> > Babu Moger
> >
> > ________________________________
> >
> > From: dm-devel-bounces redhat com [mailto:dm-devel-bounces redhat com]
> On
> > Behalf Of Stewart Smith
> > Sent: Thursday, August 13, 2009 3:35 PM
> > To: device-mapper development
> > Subject: Re: [dm-devel] rdac path failure - Sun 6140
> >
> >
> >
> >
> >
> > Same sequence of events, with multipathd -v3
> >
> >
> >
> > Aug 13 16:28:48.627  kernel: device-mapper: multipath: Failing path
> 8:208.
> >
> > Aug 13 16:28:48.000  multipathd: vol1: rr_weight = 2 (LUN setting)
> >
> > Aug 13 16:28:48.000  multipathd: vol1: pgfailback = -2 (controller
> setting)
> >
> > Aug 13 16:28:48.000  multipathd: pg_timeout = NONE (internal default)
> >
> > Aug 13 16:28:48.000  multipathd: 8:208: mark as failed
> >
> > Aug 13 16:28:48.000  multipathd: uevent 'change' from
> > '/devices/virtual/block/dm-1'
> >
> > Aug 13 16:28:48.000  multipathd: UDEV_LOG=3
> >
> > Aug 13 16:28:48.000  multipathd: ACTION=change
> >
> > Aug 13 16:28:48.000  multipathd: DEVPATH=/devices/virtual/block/dm-1
> >
> > Aug 13 16:28:48.000  multipathd: SUBSYSTEM=block
> >
> > Aug 13 16:28:48.000  multipathd: DM_TARGET=multipath
> >
> > Aug 13 16:28:48.000  multipathd: DM_ACTION=PATH_FAILED
> >
> > Aug 13 16:28:48.000  multipathd: DM_SEQNUM=1
> >
> > Aug 13 16:28:48.000  multipathd: DM_PATH=8:208
> >
> > Aug 13 16:28:48.000  multipathd: DM_NR_VALID_PATHS=3
> >
> > Aug 13 16:28:48.000  multipathd: DM_NAME=vol1
> >
> > Aug 13 16:28:48.000  multipathd:
> > DM_UUID=mpath-3600a0b800048335200001e5d48b68a9b
> >
> > Aug 13 16:28:48.000  multipathd: MAJOR=253
> >
> > Aug 13 16:28:48.000  multipathd: MINOR=1
> >
> > Aug 13 16:28:48.000  multipathd: DEVTYPE=disk
> >
> > Aug 13 16:28:48.000  multipathd: SEQNUM=1738
> >
> > Aug 13 16:28:48.000  multipathd: UDEVD_EVENT=1
> >
> > Aug 13 16:28:48.000  multipathd: DEVNAME=/dev/dm-1
> >
> > Aug 13 16:28:50.000  multipathd: 8:208: reinstated
> >
> > Aug 13 16:28:50.000  multipathd: vol1: remaining active paths: 4
> >
> > Aug 13 16:28:50.000  multipathd: sdj: rdac prio = 3
> >
> > Aug 13 16:28:50.000  multipathd: sdn: rdac prio = 3
> >
> > Aug 13 16:28:50.000  multipathd: sdb: rdac prio = 0
> >
> > Aug 13 16:28:50.000  multipathd: sdd: rdac prio = 0
> >
> > Aug 13 16:28:50.763  kernel: device-mapper: multipath: Failing path
> 8:208.
> >
> > Aug 13 16:28:50.000  multipathd: uevent 'change' from
> > '/devices/virtual/block/dm-1'
> >
> > Aug 13 16:28:50.000  multipathd: UDEV_LOG=3
> >
> > Aug 13 16:28:50.000  multipathd: ACTION=change
> >
> > Aug 13 16:28:50.000  multipathd: DEVPATH=/devices/virtual/block/dm-1
> >
> > Aug 13 16:28:50.000  multipathd: SUBSYSTEM=block
> >
> > Aug 13 16:28:50.000  multipathd: DM_TARGET=multipath
> >
> > Aug 13 16:28:50.000  multipathd: DM_ACTION=PATH_REINSTATED
> >
> > Aug 13 16:28:50.000  multipathd: DM_SEQNUM=2
> >
> > Aug 13 16:28:50.000  multipathd: DM_PATH=8:208
> >
> > Aug 13 16:28:50.000  multipathd: DM_NR_VALID_PATHS=4
> >
> > Aug 13 16:28:50.000  multipathd: DM_NAME=vol1
> >
> > Aug 13 16:28:50.000  multipathd:
> > DM_UUID=mpath-3600a0b800048335200001e5d48b68a9b
> >
> > Aug 13 16:28:50.000  multipathd: MAJOR=253
> >
> > Aug 13 16:28:50.000  multipathd: MINOR=1
> >
> > Aug 13 16:28:50.000  multipathd: DEVTYPE=diskAug 13 16:28:50.000
> >  multipathd: SEQNUM=1739Aug 13 16:28:50.000  multipathd: UDEVD_EVENT=1
> >
> > Aug 13 16:28:50.000  multipathd: vol1: rr_weight = 2 (LUN setting)
> >
> > Aug 13 16:28:50.000  multipathd: vol1: pgfailback = -2 (controller
> setting)
> >
> > Aug 13 16:28:50.000  multipathd: pg_timeout = NONE (internal default)
> >
> > Aug 13 16:28:50.000  multipathd: 8:208: mark as failed
> >
> > Aug 13 16:28:50.000  multipathd: vol1: remaining active paths: 3
> >
> > Aug 13 16:28:50.000  multipathd: vol1: rr_weight = 2 (LUN setting)
> >
> > Aug 13 16:28:50.000  multipathd: vol1: pgfailback = -2 (controller
> setting)
> >
> > Aug 13 16:28:50.000  multipathd: uevent 'change' from
> > '/devices/virtual/block/dm-1'
> >
> > Aug 13 16:28:50.000  multipathd: UDEV_LOG=3
> >
> > Aug 13 16:28:50.000  multipathd: ACTION=change
> >
> > Aug 13 16:28:50.000  multipathd: DEVPATH=/devices/virtual/block/dm-1
> >
> > Aug 13 16:28:50.000  multipathd: SUBSYSTEM=block
> >
> > Aug 13 16:28:50.000  multipathd: DM_TARGET=multipath
> >
> > Aug 13 16:28:50.000  multipathd: DM_ACTION=PATH_FAILED
> >
> > Aug 13 16:28:50.000  multipathd: DM_SEQNUM=3
> >
> > Aug 13 16:28:50.000  multipathd: DM_PATH=8:208
> >
> > Aug 13 16:28:50.000  multipathd: DM_NR_VALID_PATHS=3
> >
> > Aug 13 16:28:50.000  multipathd: DM_NAME=vol1
> >
> > Aug 13 16:28:50.000  multipathd:
> > DM_UUID=mpath-3600a0b800048335200001e5d48b68a9b
> >
> > Aug 13 16:28:50.000  multipathd: MAJOR=253
> >
> > Aug 13 16:28:50.000  multipathd: MINOR=1
> >
> > Aug 13 16:28:50.000  multipathd: DEVTYPE=disk
> >
> > Aug 13 16:28:50.000  multipathd: SEQNUM=1740
> >
> > Aug 13 16:28:50.000  multipathd: UDEVD_EVENT=1
> >
> > Aug 13 16:28:50.000  multipathd: DEVNAME=/dev/dm-1
> >
> > Aug 13 16:29:00.000  multipathd: 8:208: reinstated
> >
> > Aug 13 16:29:00.000  multipathd: vol1: remaining active paths: 4
> >
> > Aug 13 16:29:00.000  multipathd: sdj: rdac prio = 3
> >
> > Aug 13 16:29:00.000  multipathd: sdn: rdac prio = 3
> >
> > Aug 13 16:29:00.000  multipathd: sdb: rdac prio = 0
> >
> > Aug 13 16:29:00.000  multipathd: sdd: rdac prio = 0
> >
> > Aug 13 16:29:00.000  multipathd: vol1: rr_weight = 2 (LUN setting)
> >
> > Aug 13 16:29:00.000  multipathd: vol1: pgfailback = -2 (controller
> setting)
> >
> > Aug 13 16:29:00.000  multipathd: uevent 'change' from
> > '/devices/virtual/block/dm-1'
> >
> > Aug 13 16:29:00.000  multipathd: UDEV_LOG=3
> >
> > Aug 13 16:29:00.000  multipathd: ACTION=change
> >
> > Aug 13 16:29:00.000  multipathd: DEVPATH=/devices/virtual/block/dm-1
> >
> > Aug 13 16:29:00.000  multipathd: SUBSYSTEM=block
> >
> > Aug 13 16:29:00.000  multipathd: DM_TARGET=multipath
> >
> > Aug 13 16:29:00.000  multipathd: DM_ACTION=PATH_REINSTATED
> >
> > Aug 13 16:29:00.000  multipathd: DM_SEQNUM=4
> >
> > Aug 13 16:29:00.000  multipathd: DM_PATH=8:208
> >
> > Aug 13 16:29:00.000  multipathd: DM_NR_VALID_PATHS=4
> >
> > Aug 13 16:29:00.000  multipathd: DM_NAME=vol1
> >
> > Aug 13 16:29:00.000  multipathd:
> > DM_UUID=mpath-3600a0b800048335200001e5d48b68a9b
> >
> > Aug 13 16:29:00.000  multipathd: MAJOR=253
> >
> > Aug 13 16:29:00.000  multipathd: MINOR=1
> >
> > Aug 13 16:29:00.000  multipathd: DEVTYPE=disk
> >
> > Aug 13 16:29:00.000  multipathd: SEQNUM=1741
> >
> > Aug 13 16:29:00.000  multipathd: UDEVD_EVENT=1
> >
> > Aug 13 16:29:00.000  multipathd: DEVNAME=/dev/dm-1
> >
> > Aug 13 16:29:02.753  kernel: device-mapper: multipath: Failing path
> 8:208.
> >
> > Aug 13 16:29:02.000  multipathd: vol1: rr_weight = 2 (LUN setting)
> >
> > Aug 13 16:29:02.000  multipathd: vol1: pgfailback = -2 (controller
> setting)
> >
> > Aug 13 16:29:02.000  multipathd: pg_timeout = NONE (internal default)
> >
> > Aug 13 16:29:02.000  multipathd: 8:208: mark as failed
> >
> > Aug 13 16:29:02.000  multipathd: uevent 'change' from
> > '/devices/virtual/block/dm-1'
> >
> > Aug 13 16:29:02.000  multipathd: UDEV_LOG=3
> >
> > Aug 13 16:29:02.000  multipathd: ACTION=change
> >
> > Aug 13 16:29:02.000  multipathd: DEVPATH=/devices/virtual/block/dm-1
> >
> > Aug 13 16:29:02.000  multipathd: SUBSYSTEM=block
> >
> > Aug 13 16:29:02.000  multipathd: DM_TARGET=multipath
> >
> > Aug 13 16:29:02.000  multipathd: DM_ACTION=PATH_FAILED
> >
> > Aug 13 16:29:02.000  multipathd: DM_SEQNUM=5
> >
> > Aug 13 16:29:02.000  multipathd: DM_PATH=8:208
> >
> > Aug 13 16:29:02.000  multipathd: DM_NR_VALID_PATHS=3
> >
> > Aug 13 16:29:02.000  multipathd: DM_NAME=vol1
> >
> > Aug 13 16:29:02.000  multipathd:
> > DM_UUID=mpath-3600a0b800048335200001e5d48b68a9b
> >
> > Aug 13 16:29:02.000  multipathd: MAJOR=253
> >
> > Aug 13 16:29:02.000  multipathd: MINOR=1
> >
> > Aug 13 16:29:02.000  multipathd: DEVTYPE=disk
> >
> > Aug 13 16:29:02.000  multipathd: SEQNUM=1742
> >
> > Aug 13 16:29:02.000  multipathd: UDEVD_EVENT=1
> >
> > Aug 13 16:29:02.000  multipathd: DEVNAME=/dev/dm-1
> >
> > Aug 13 16:29:10.000  multipathd: 8:208: reinstated
> >
> > Aug 13 16:29:10.000  multipathd: vol1: remaining active paths: 4
> >
> > Aug 13 16:29:10.000  multipathd: sdj: rdac prio = 3
> >
> > Aug 13 16:29:10.000  multipathd: sdn: rdac prio = 3
> >
> > Aug 13 16:29:10.000  multipathd: sdb: rdac prio = 0
> >
> > Aug 13 16:29:10.000  multipathd: sdd: rdac prio = 0
> >
> > Aug 13 16:29:10.000  multipathd: vol1: rr_weight = 2 (LUN setting)
> >
> > Aug 13 16:29:10.000  multipathd: vol1: pgfailback = -2 (controller
> setting)
> >
> > Aug 13 16:29:10.000  multipathd: uevent 'change' from
> > '/devices/virtual/block/dm-1'
> >
> > Aug 13 16:29:10.000  multipathd: UDEV_LOG=3
> >
> > Aug 13 16:29:10.000  multipathd: ACTION=change
> >
> > Aug 13 16:29:10.000  multipathd: DEVPATH=/devices/virtual/block/dm-1
> >
> > Aug 13 16:29:10.000  multipathd: SUBSYSTEM=block
> >
> > Aug 13 16:29:10.000  multipathd: DM_TARGET=multipath
> >
> > Aug 13 16:29:10.000  multipathd: DM_ACTION=PATH_REINSTATED
> >
> > Aug 13 16:29:10.000  multipathd: DM_SEQNUM=6
> >
> > Aug 13 16:29:10.000  multipathd: DM_PATH=8:208
> >
> > Aug 13 16:29:10.000  multipathd: DM_NR_VALID_PATHS=4
> >
> > Aug 13 16:29:10.000  multipathd: DM_NAME=vol1
> >
> > Aug 13 16:29:10.000  multipathd:
> > DM_UUID=mpath-3600a0b800048335200001e5d48b68a9b
> >
> > Aug 13 16:29:10.000  multipathd: MAJOR=253
> >
> > Aug 13 16:29:10.000  multipathd: MINOR=1
> >
> > Aug 13 16:29:10.000  multipathd: DEVTYPE=disk
> >
> > Aug 13 16:29:10.000  multipathd: SEQNUM=1743
> >
> > Aug 13 16:29:10.000  multipathd: UDEVD_EVENT=1
> >
> > Aug 13 16:29:10.000  multipathd: DEVNAME=/dev/dm-1
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > On Thu, Aug 13, 2009 at 1:27 PM, Stewart Smith <stew cleepdar com>
> wrote:
> >
> >
> >
> > after a fresh, multipath -F and start of multipathd with -v 2 I see the
> > following messages.
> >
> >
> >
> > After starting multipathd I mounted /dev/mapper/vol1 and generated some
> > simple I/O to it using dd
> >
> >
> >
> >
> >
> > Aug 13 16:23:14.888 localhost kernel: device-mapper: multipath: Failing
> path
> > 8:208.
> >
> > Aug 13 16:23:14.000 localhost multipathd: 8:208: mark as failed
> >
> > Aug 13 16:23:16.000 localhost multipathd: 8:208: reinstated
> >
> > Aug 13 16:23:30.462 localhost kernel: device-mapper: multipath: Failing
> path
> > 8:208.
> >
> > Aug 13 16:23:30.000 localhost multipathd: 8:208: mark as failed
> >
> > Aug 13 16:23:39.000 localhost multipathd: 8:208: reinstated
> >
> > Aug 13 16:23:46.430 localhost kernel: device-mapper: multipath: Failing
> path
> > 8:208.
> >
> > Aug 13 16:23:46.000 localhost multipathd: 8:208: mark as failed
> >
> > Aug 13 16:23:51.041 localhost kernel: device-mapper: multipath: Failing
> path
> > 8:208.
> >
> > Aug 13 16:23:51.000 localhost multipathd: 8:208: mark as failed
> >
> > Aug 13 16:23:59.000 localhost multipathd: 8:208: reinstated
> >
> > Aug 13 16:24:06.465 localhost kernel: device-mapper: multipath: Failing
> path
> > 8:208.
> >
> > Aug 13 16:24:06.000 localhost multipathd: 8:208: mark as failed
> >
> > Aug 13 16:24:09.000 localhost multipathd: 8:208: reinstated
> >
> >
> >
> >
> >
> > Thanks,
> >
> > --
> >
> > Stew
> >
> >
> >
> >
> >
> >
> >
> > On Thu, Aug 13, 2009 at 12:42 PM, Moger, Babu <Babu Moger lsi com>
> wrote:
> >
> > Do you have /var/log/messages file for this problem?
> >
> > Thanks
> > Babu Moger
> >
> >> -----Original Message-----
> >> From: dm-devel-bounces redhat com [mailto:dm-devel-bounces redhat com]
> On
> >> Behalf Of Stewart Smith
> >> Sent: Thursday, August 13, 2009 1:51 PM
> >> To: dm-devel redhat com
> >> Subject: [dm-devel] rdac path failure - Sun 6140
> >>
> >> Hello All,
> >>
> >> I am seeing many of these messages when my Sun 6140 array is under
> heavy
> >> I/O
> >> device-mapper: multipath: Failing path 8:208.
> >> device-mapper: multipath: Failing path 8:208.
> >> device-mapper: multipath: Failing path 8:208.
> >> device-mapper: multipath: Failing path 8:208.
> >> device-mapper: multipath: Failing path 8:208.
> >>
> >>
> >> I am running a Fedora 10 server, with two fiber connections to two
> >> different switches.  Both controllers on the 6140 have one connection
> >> to each switch as well.  The end result is that I see four paths to
> >> each LUN.
> >>
> >> When the volume is mounted and under significant load I see the
> >> messages above every few seconds.  They seem to appear every
> >> "no_path_retry" seconds.
> >>
> >> The 6140 controller firmware is up to date at version 07.50.08.10 and
> >> I have installed the latest firmware for my Emulex LPe11002 cards.  I
> >> have reproduced the problem using both Cisco MDS and Brocade fiber
> >> channel switches as well.
> >>
> >> Using CAM, I have set the initiator Host Type to "Linux" at the
> >> moment.  I have tried other options as well without success.
> >>
> >> I have NOT installed the RDAC drivers from either Sun or LSI -
> >> primarily because they do not seem to build on my Fedora 10 kernel.
> >>
> >> Any ideas would be greatly appreciated!!!
> >>
> >> configs and debugging multipathd output is below.
> >>
> >>
> >>
> >>
> >>
> >> Kernel: 2.6.27.24-170.2.68.fc10.x86_64
> >>
> >> # multipath -lll
> >> vol1 (3600a0b800048335200001e5d48b68a9b) dm-1 SUN,CSM200_R
> >> [size=12T][features=1 queue_if_no_path][hwhandler=1 rdac][rw]
> >> \_ round-robin 0 [prio=6][active]
> >>  \_ 5:0:1:2 sdj 8:144 [active][ready]
> >>  \_ 2:0:1:2 sdn 8:208 [active][ready]
> >> \_ round-robin 0 [prio=0][enabled]
> >>  \_ 2:0:0:2 sdb 8:16  [active][ghost]
> >>  \_ 5:0:0:2 sdd 8:48  [active][ghost]
> >>
> >>
> >> # cat /etc/multipath.conf
> >>
> >> blacklist {
> >>         devnode "^sd[a-z][[0-9]*]"
> >>         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](p[0-9]*)*"
> >> }
> >>
> >> defaults {
> >>         udev_dir                /dev
> >>         polling_interval        10
> >>         selector                "round-robin 0"
> >>         path_grouping_policy    multibus
> >>         getuid_callout          "/sbin/scsi_id --whitelisted /dev/%n"
> >>         prio                    alua
> >>         path_checker            readsector0
> >>         rr_min_io               100
> >>         max_fds                 8192
> >>         rr_weight               priorities
> >>         failback                immediate
> >>         no_path_retry           fail
> >>         user_friendly_names     yes
> >> }
> >> devices {
> >>         device {
> >>                 vendor                  "SUN"
> >>                 product                 "CSM200_R"
> >>                 product_blacklist       "Universal Xport"
> >>                 getuid_callout          "/sbin/scsi_id --whitelisted
> >> /dev/%n"
> >>                 features                "0"
> >>                 hardware_handler        "1 rdac"
> >>                 path_selector           "round-robin 0"
> >>                 path_grouping_policy    group_by_prio
> >>                 failback                immediate
> >>                 rr_weight               uniform
> >>                 no_path_retry           queue
> >>                 rr_min_io               1000
> >>                 path_checker            rdac
> >>                 prio                    rdac
> >>         }
> >> }
> >>
> >> multipaths {
> >>         multipath {
> >>                 wwid
>  3600a0b800048335200001e5d48b68a9b
> >>                 alias                   vol1
> >>                 rr_weight               priorities
> >>                 no_path_retry           5
> >>                 rr_min_io               100
> >>         }
> >> }
> >>
> >>
> >>
> >> # multipathd -d v3
> >>
> >>
> >> Aug 13 14:48:53 | sdb: ownership set to vol1
> >> Aug 13 14:48:53 | sdb: not found in pathvec
> >> Aug 13 14:48:53 | sdb: mask = 0xc
> >> Aug 13 14:48:53 | sdb: path checker = rdac (controller setting)
> >> Aug 13 14:48:53 | sdb: state = 4
> >> Aug 13 14:48:53 | sdb: rdac prio = 0
> >> Aug 13 14:48:53 | sdd: ownership set to vol1
> >> Aug 13 14:48:53 | sdd: not found in pathvec
> >> Aug 13 14:48:53 | sdd: mask = 0xc
> >> Aug 13 14:48:53 | sdd: path checker = rdac (controller setting)
> >> Aug 13 14:48:53 | sdd: state = 4
> >> Aug 13 14:48:53 | sdd: rdac prio = 0
> >> Aug 13 14:48:53 | sdj: ownership set to vol1
> >> Aug 13 14:48:53 | sdj: not found in pathvec
> >> Aug 13 14:48:53 | sdj: mask = 0xc
> >> Aug 13 14:48:53 | sdj: path checker = rdac (controller setting)
> >> Aug 13 14:48:53 | sdj: state = 2
> >> Aug 13 14:48:53 | sdj: rdac prio = 3
> >> Aug 13 14:48:53 | sdn: ownership set to vol1
> >> Aug 13 14:48:53 | sdn: not found in pathvec
> >> Aug 13 14:48:53 | sdn: mask = 0xc
> >> Aug 13 14:48:53 | sdn: path checker = rdac (controller setting)
> >> Aug 13 14:48:53 | sdn: state = 2
> >> Aug 13 14:48:53 | sdn: rdac prio = 3
> >> Aug 13 14:48:53 | vol1: pgfailback = -2 (controller setting)
> >> Aug 13 14:48:53 | vol1: pgpolicy = group_by_prio (controller setting)
> >> Aug 13 14:48:53 | vol1: selector = round-robin 0 (controller setting)
> >> Aug 13 14:48:53 | vol1: features = 0 (controller setting)
> >> Aug 13 14:48:53 | vol1: hwhandler = 1 rdac (controller setting)
> >> Aug 13 14:48:53 | vol1: rr_weight = 2 (LUN setting)
> >> Aug 13 14:48:53 | vol1: minio = 100 (LUN setting)
> >> Aug 13 14:48:53 | vol1: no_path_retry = 5 (multipath setting)
> >> Aug 13 14:48:53 | pg_timeout = NONE (internal default)
> >> Aug 13 14:48:53 | vol1: set ACT_CREATE (map does not exist)
> >> create: vol1 (3600a0b800048335200001e5d48b68a9b) n/a SUN,CSM200_R
> >> [size=12T][features=0][hwhandler=1 rdac][n/a]
> >> \_ round-robin 0 [prio=6][undef]
> >>  \_ 5:0:1:2 sdj 8:144 [undef][ready]
> >>  \_ 2:0:1:2 sdn 8:208 [undef][ready]
> >> \_ round-robin 0 [prio=0][undef]
> >>  \_ 2:0:0:2 sdb 8:16 [undef][ghost]
> >>  \_ 5:0:0:2 sdd 8:48 [undef][ghost]
> >>
> >
> >> --
> >> dm-devel mailing list
> >> dm-devel redhat com
> >> https://www.redhat.com/mailman/listinfo/dm-devel
> >
> > --
> > dm-devel mailing list
> > dm-devel redhat com
> > https://www.redhat.com/mailman/listinfo/dm-devel
> >
> >
> >
> >
>
> --
> dm-devel mailing list
> dm-devel redhat com
> https://www.redhat.com/mailman/listinfo/dm-devel


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