[user@server01 ~]$ rpm -qa |grep multi device-mapper-multipath-0.4.5-16.1.RHEL4 I am using Red Hat Enterprise Linux AS release 4 (Nahant Update 4) Thanks, JB -----Original Message----- From: dm-devel-bounces@xxxxxxxxxx [mailto:dm-devel-bounces@xxxxxxxxxx] On Behalf Of Chandra Seetharaman Sent: Tuesday, August 28, 2007 3:42 PM To: device-mapper development Subject: Re: Multipath issues with kernel device errors On Tue, 2007-08-28 at 15:25 -0500, Jeffry Bilder wrote: Which version of multipath tools are you using ? A quick look at 0.4.8 version shows that the configuration information for MSA1000 is built-in in 0.4.8. But it has the vendor as HP not COMPAQ. You can using the configuration info from that file (by putting it in your multipath.conf). hope that helps, chandra > All, > > > > I have multipath configured with an HP MSA 1000 with 2 servers > connected and am able to get a list of drives: > > > > u01 (3600805f3000e80908183e8993f630007) > > [size=24 GB][features="0"][hwhandler="0"] > > \_ round-robin 0 [active] > > \_ 0:0:1:2 sda 8:0 [active][ready] > > \_ round-robin 0 [enabled] > > \_ 1:0:1:2 sdd 8:48 [failed][faulty] > > > > vote (3600805f3000e809048e185c3b427000a) > > [size=251 MB][features="0"][hwhandler="0"] > > \_ round-robin 0 [active] > > \_ 0:0:1:4 sdc 8:32 [active][ready] > > \_ round-robin 0 [enabled] > > \_ 1:0:1:4 sdf 8:80 [failed][faulty] > > > > ocr (3600805f3000e8090d57e99af0d1f0008) > > [size=251 MB][features="0"][hwhandler="0"] > > \_ round-robin 0 [active] > > \_ 0:0:1:3 sdb 8:16 [active][ready] > > \_ round-robin 0 [enabled] > > \_ 1:0:1:3 sde 8:64 [failed][faulty] > > > > My /var/log/messages is throwing these errors: > > > > Aug 28 15:10:21 server01 kernel: Device sdf not ready. > > Aug 28 15:10:22 server 01 kernel: Device sdd not ready. > > Aug 28 15:10:22 server 01 kernel: Device sde not ready. > > Aug 28 15:10:22 server 01 kernel: Device sdf not ready. > > Aug 28 15:10:32 server 01 kernel: Device sdd not ready. > > Aug 28 15:10:32 server 01 kernel: Device sde not ready. > > Aug 28 15:10:32 server 01 kernel: Device sdf not ready. > > Aug 28 15:10:42 server 01 kernel: Device sdd not ready. > > Aug 28 15:10:42 server 01 kernel: Device sde not ready. > > Aug 28 15:10:43 server 01 kernel: Device sdf not ready. > > > > [user@server01 ~]$ sudo /sbin/multipath -v3 -l > > load path identifiers cache > > # > > # all paths in cache : > > # > > 3600805f3000e80908183e8993f630007 0:0:1:2 sda 8:0 [active][ready] > COMPAQ /M > > 3600805f3000e8090d57e99af0d1f0008 0:0:1:3 sdb 8:16 [active][ready] > COMPAQ / > > 3600805f3000e809048e185c3b427000a 0:0:1:4 sdc 8:32 [active][ready] > COMPAQ / > > 3600805f3000e80908183e8993f630007 1:0:1:2 sdd 8:48 [failed][faulty] > COMPAQ > > 3600805f3000e8090d57e99af0d1f0008 1:0:1:3 sde 8:64 [failed][faulty] > COMPAQ > > 3600805f3000e809048e185c3b427000a 1:0:1:4 sdf 8:80 [failed][faulty] > COMPAQ > > cciss!c0d0 blacklisted > > dm-0 blacklisted > > dm-1 blacklisted > > dm-2 blacklisted > > dm-3 blacklisted > > dm-4 blacklisted > > dm-5 blacklisted > > dm-6 blacklisted > > dm-7 blacklisted > > hda blacklisted > > md0 blacklisted > > ram0 blacklisted > > ram10 blacklisted > > ram11 blacklisted > > ram12 blacklisted > > ram13 blacklisted > > ram14 blacklisted > > ram15 blacklisted > > ram1 blacklisted > > ram2 blacklisted > > ram3 blacklisted > > ram4 blacklisted > > ram5 blacklisted > > ram6 blacklisted > > ram7 blacklisted > > ram8 blacklisted > > ram9 blacklisted > > ===== path info sda (mask 0x1) ===== > > bus = 1 > > dev_t = 8:0 > > size = 52420095 > > vendor = COMPAQ > > product = MSA1000 VOLUME > > rev = 4.48 > > h:b:t:l = 0:0:1:2 > > tgt_node_name = 0x500805f3000e8090 > > uid = 3600805f3000e80908183e8993f630007 (cache) > > ===== path info sdb (mask 0x1) ===== > > bus = 1 > > dev_t = 8:16 > > size = 514080 > > vendor = COMPAQ > > product = MSA1000 VOLUME > > rev = 4.48 > > h:b:t:l = 0:0:1:3 > > tgt_node_name = 0x500805f3000e8090 > > uid = 3600805f3000e8090d57e99af0d1f0008 (cache) > > ===== path info sdc (mask 0x1) ===== > > bus = 1 > > dev_t = 8:32 > > size = 514080 > > vendor = COMPAQ > > product = MSA1000 VOLUME > > rev = 4.48 > > h:b:t:l = 0:0:1:4 > > tgt_node_name = 0x500805f3000e8090 > > uid = 3600805f3000e809048e185c3b427000a (cache) > > ===== path info sdd (mask 0x1) ===== > > bus = 1 > > dev_t = 8:48 > > size = 52420095 > > vendor = COMPAQ > > product = MSA1000 VOLUME > > rev = 4.48 > > h:b:t:l = 1:0:1:2 > > tgt_node_name = 0x500805f3000e8090 > > uid = 3600805f3000e80908183e8993f630007 (cache) > > ===== path info sde (mask 0x1) ===== > > bus = 1 > > dev_t = 8:64 > > size = 514080 > > vendor = COMPAQ > > product = MSA1000 VOLUME > > rev = 4.48 > > h:b:t:l = 1:0:1:3 > > tgt_node_name = 0x500805f3000e8090 > > uid = 3600805f3000e8090d57e99af0d1f0008 (cache) > > ===== path info sdf (mask 0x1) ===== > > bus = 1 > > dev_t = 8:80 > > size = 514080 > > vendor = COMPAQ > > product = MSA1000 VOLUME > > rev = 4.48 > > h:b:t:l = 1:0:1:4 > > tgt_node_name = 0x500805f3000e8090 > > uid = 3600805f3000e809048e185c3b427000a (cache) > > # > > # all paths : > > # > > 3600805f3000e80908183e8993f630007 0:0:1:2 sda 8:0 [active][ready] > COMPAQ /M > > 3600805f3000e8090d57e99af0d1f0008 0:0:1:3 sdb 8:16 [active][ready] > COMPAQ / > > 3600805f3000e809048e185c3b427000a 0:0:1:4 sdc 8:32 [active][ready] > COMPAQ / > > 3600805f3000e80908183e8993f630007 1:0:1:2 sdd 8:48 [failed][faulty] > COMPAQ > > 3600805f3000e8090d57e99af0d1f0008 1:0:1:3 sde 8:64 [failed][faulty] > COMPAQ > > 3600805f3000e809048e185c3b427000a 1:0:1:4 sdf 8:80 [failed][faulty] > COMPAQ > > params = 0 0 2 1 round-robin 0 1 1 8:0 100 round-robin 0 1 1 8:48 100 > > status = 1 0 0 2 1 A 0 1 0 8:0 A 0 E 0 1 0 8:48 F 2 > > u01 (3600805f3000e80908183e8993f630007) > > [size=24 GB][features="0"][hwhandler="0"] > > \_ round-robin 0 [active] > > \_ 0:0:1:2 sda 8:0 [active][ready] > > \_ round-robin 0 [enabled] > > \_ 1:0:1:2 sdd 8:48 [failed][faulty] > > > > params = 0 0 2 1 round-robin 0 1 1 8:32 100 round-robin 0 1 1 8:80 100 > > status = 1 0 0 2 1 A 0 1 0 8:32 A 0 E 0 1 0 8:80 F 2 > > vote (3600805f3000e809048e185c3b427000a) > > [size=251 MB][features="0"][hwhandler="0"] > > \_ round-robin 0 [active] > > \_ 0:0:1:4 sdc 8:32 [active][ready] > > \_ round-robin 0 [enabled] > > \_ 1:0:1:4 sdf 8:80 [failed][faulty] > > > > params = 0 0 2 1 round-robin 0 1 1 8:16 100 round-robin 0 1 1 8:64 100 > > status = 1 0 0 2 1 A 0 1 0 8:16 A 0 E 0 1 0 8:64 F 2 > > ocr (3600805f3000e8090d57e99af0d1f0008) > > [size=251 MB][features="0"][hwhandler="0"] > > \_ round-robin 0 [active] > > \_ 0:0:1:3 sdb 8:16 [active][ready] > > \_ round-robin 0 [enabled] > > \_ 1:0:1:3 sde 8:64 [failed][faulty] > > > > [user@server01 ~]$ ls -l /dev |grep sd > > brw-rw---- 1 root disk 8, 0 Aug 28 05:28 sda > > brw-rw---- 1 root disk 8, 1 Aug 28 05:28 sda1 > > brw-rw---- 1 root disk 8, 16 Aug 28 05:28 sdb > > brw-rw---- 1 root disk 8, 17 Aug 28 05:28 sdb1 > > brw-rw---- 1 root disk 8, 32 Aug 28 05:28 sdc > > brw-rw---- 1 root disk 8, 33 Aug 28 05:28 sdc1 > > brw-rw---- 1 root disk 8, 48 Aug 28 05:28 sdd > > brw-rw---- 1 root disk 8, 64 Aug 28 05:28 sde > > brw-rw---- 1 root disk 8, 80 Aug 28 05:29 sdf > > > > > > > > ##### multipath.conf ###### > > > > ## Use user friendly names, instead of using WWIDs as names. > > defaults { > > user_friendly_names yes > > } > > > > defaults { > > multipath_tool "/sbin/multipath -v0" > > udev_dir /dev > > polling_interval 10 > > selector "round-robin 0" > > path_grouping_policy failover > > getuid_callout "/sbin/scsi_id -g -u -s /block/%n" > > prio_callout "/bin/true" > > default_features "0" > > rr_min_io 100 > > failback immediate > > user_friendly_name yes > > } > > > > blacklist { > > wwid 26353900f02796769 > > devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*" > > devnode "^hd[a-z][[0-9]*]" > > devnode "^sd[a-z][[0-9]*]" > > devnode "^cciss!c[0-9]d[0-9]*[p[0-9]*]" > > } > > > > multipaths { > > multipath { > > wwid > 3600805f3000e80908183e8993f630007 > > alias u01 > > } > > multipath { > > wwid > 3600805f3000e8090d57e99af0d1f0008 > > alias ocr > > } > > multipath { > > wwid > 3600805f3000e809048e185c3b427000a > > alias vote > > } > > } > > > > devices { > > device { > > vendor "COMPAQ" > > product "MSA1000" > > path_grouping_policy group_by_serial > > getuid_callout "/sbin/scsi_id -g -u - > s /block/%n" > > } > > } > > > > > > Any help would be much appreciated. I just need to keep the kernel > from trying to access those SCSI devices that are there for failover. > > > Thanks, > > > > JB > > > -- > dm-devel mailing list > dm-devel@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/dm-devel -- ---------------------------------------------------------------------- Chandra Seetharaman | Be careful what you choose.... - sekharan@xxxxxxxxxx | .......you may get it. ---------------------------------------------------------------------- -- 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
