[dm-devel] rdac path failure - Sun 6140
Moger, Babu
Babu.Moger at lsi.com
Fri Aug 14 16:21:15 UTC 2009
> -----Original Message-----
> From: dm-devel-bounces at redhat.com [mailto:dm-devel-bounces at 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 at 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 at redhat.com [mailto:dm-devel-bounces at 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 at 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 at lsi.com>
> wrote:
> >
> > Do you have /var/log/messages file for this problem?
> >
> > Thanks
> > Babu Moger
> >
> >> -----Original Message-----
> >> From: dm-devel-bounces at redhat.com [mailto:dm-devel-bounces at redhat.com]
> On
> >> Behalf Of Stewart Smith
> >> Sent: Thursday, August 13, 2009 1:51 PM
> >> To: dm-devel at 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
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> >
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> > dm-devel at redhat.com
> > https://www.redhat.com/mailman/listinfo/dm-devel
> >
> >
> >
> >
>
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