On Fri, 2009-08-14 at 13:26 -0700, Stewart Smith wrote: > Interesting. > > I just grabbed 2.6.30.4 from kernel.org and I can no longer reproduce > the issue with that kernel. I did not add in your debugging version > of scsi_dh_rdac.c yet. > > Somewhere between vmlinuz-2.6.29.4-167.fc11 and the generic 2.6.30.4 > (using the same kernel .config) this problem was fixed. That is good :) I do not have a fc11 install.... If it is not a hassle, can you send a diff of scsi_dh_rdac.c and dm-mpath.c, we should understand what fixed the problem. > > Its now running over 350 MB/s with 16 sequential writers using both > active paths. > > > > > # fio --filename=/san0/vol1/test --direct=1 --rw=write --bs=8m > --size=32G --numjobs=16 --runtime=60 --group_reporting --name=file1 > > Run status group 0 (all jobs): > WRITE: io=21,416MiB, aggrb=355MiB/s, minb=355MiB/s, maxb=355MiB/s, > mint=60342msec, maxt=60342msec > > Disk stats (read/write): > dm-1: ios=3/85697, merge=0/0, ticks=11/21809639, in_queue=21810085, > util=99.94%, aggrios=0/11402, aggrmerge=0/10022, aggrticks=2/2805880, > aggrin_queue=2805875, aggrutil=97.09% > sdf: ios=0/22732, merge=0/20168, ticks=0/6090166, > in_queue=6090145, util=97.09% > sdn: ios=3/22876, merge=0/19921, ticks=11/5133355, > in_queue=5133356, util=96.16% > sdb: ios=0/0, merge=0/0, ticks=0/0, in_queue=0, util=0.00% > sdj: ios=0/0, merge=0/0, ticks=0/0, in_queue=0, util=0.00% > > > Thanks! > -- > Stewart > > > > > On Fri, Aug 14, 2009 at 9:21 AM, Moger, Babu<Babu.Moger@xxxxxxx> wrote: > >> -----Original Message----- > >> From: dm-devel-bounces@xxxxxxxxxx [mailto:dm-devel-bounces@xxxxxxxxxx] On > >> Behalf Of Stewart Smith > >> Sent: Friday, August 14, 2009 10:58 AM > >> To: device-mapper development > >> Subject: Re: 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@xxxxxxx> 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@xxxxxxxxxx [mailto:dm-devel-bounces@xxxxxxxxxx] > >> On > >> > Behalf Of Stewart Smith > >> > Sent: Thursday, August 13, 2009 3:35 PM > >> > To: device-mapper development > >> > Subject: Re: 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@xxxxxxxxxxxx> > >> 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@xxxxxxx> > >> wrote: > >> > > >> > Do you have /var/log/messages file for this problem? > >> > > >> > Thanks > >> > Babu Moger > >> > > >> >> -----Original Message----- > >> >> From: dm-devel-bounces@xxxxxxxxxx [mailto:dm-devel-bounces@xxxxxxxxxx] > >> On > >> >> Behalf Of Stewart Smith > >> >> Sent: Thursday, August 13, 2009 1:51 PM > >> >> To: dm-devel@xxxxxxxxxx > >> >> Subject: 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@xxxxxxxxxx > >> >> https://www.redhat.com/mailman/listinfo/dm-devel > >> > > >> > -- > >> > dm-devel mailing list > >> > dm-devel@xxxxxxxxxx > >> > https://www.redhat.com/mailman/listinfo/dm-devel > >> > > >> > > >> > > >> > > >> > >> -- > >> dm-devel mailing list > >> dm-devel@xxxxxxxxxx > >> https://www.redhat.com/mailman/listinfo/dm-devel > > > > -- > > dm-devel mailing list > > dm-devel@xxxxxxxxxx > > https://www.redhat.com/mailman/listinfo/dm-devel > > > > -- > dm-devel mailing list > dm-devel@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/dm-devel -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
