> -----Original Message----- > From: Rudy Gevaert [mailto:Rudy.Gevaert@xxxxxxxx] > Sent: Wednesday, December 21, 2011 10:23 AM > To: dm-devel@xxxxxxxxxx > Subject: Re: how to troubleshoot faulty multipath path? > > On 12/20/2011 08:45 PM, Moger, Babu wrote: > > > None of your logs show any problems with the paths related to DS3400. > > Can you please set the verbosity to 6 and collect the logs. > > To set the verbosity level add following line in default section in > > your multipath.conf. > > verbosity 6 > > Hello, > > I have changed the verbosity level to 6. I have attached the output of > multipath -l. > > Do you need any other logs? There are problem with few devices. Open itself is failing. Look here.. Dec 21 17:23:02 | Discover device /sys/block/sdd Dec 21 17:23:02 | sdd: not found in pathvec Dec 21 17:23:02 | sdd: mask = 0x1 Dec 21 17:23:02 | sdd: dev_t = 8:48 Dec 21 17:23:02 | sdd: size = 1153433600 Dec 21 17:23:02 | sdd: subsystem = scsi Dec 21 17:23:02 | sdd: vendor = IBM Dec 21 17:23:02 | sdd: product = 1726-4xx FAStT Dec 21 17:23:02 | sdd: rev = 0617 Dec 21 17:23:02 | sdd: h:b:t:l = 1:0:0:11 Dec 21 17:23:02 | sdd: tgt_node_name = 0x200400a0b85a591 Dec 21 17:23:02 | Couldn't open node for sdd: No such device or address Dec 21 17:23:02 | Discover device /sys/block/sdq Dec 21 17:23:02 | sdq: not found in pathvec Dec 21 17:23:02 | sdq: mask = 0x1 Dec 21 17:23:02 | sdq: dev_t = 65:0 Dec 21 17:23:02 | sdq: size = 1153433600 Dec 21 17:23:02 | sdq: subsystem = scsi Dec 21 17:23:02 | sdq: vendor = IBM Dec 21 17:23:02 | sdq: product = 1726-4xx FAStT Dec 21 17:23:02 | sdq: rev = 0617 Dec 21 17:23:02 | sdq: h:b:t:l = 5:0:0:10 Dec 21 17:23:02 | sdq: tgt_node_name = 0x200400a0b85a591 Dec 21 17:23:02 | Couldn't open node for sdq: No such device or address Dec 21 17:23:02 | Discover device /sys/block/sdv Dec 21 17:23:02 | sdv: not found in pathvec Dec 21 17:23:02 | sdv: mask = 0x1 Dec 21 17:23:02 | sdv: dev_t = 65:80 Dec 21 17:23:02 | sdv: size = 1153433600 Dec 21 17:23:02 | sdv: subsystem = scsi Dec 21 17:23:02 | sdv: vendor = IBM Dec 21 17:23:02 | sdv: product = 1726-4xx FAStT Dec 21 17:23:02 | sdv: rev = 0617 Dec 21 17:23:02 | sdv: h:b:t:l = 5:0:0:15 Dec 21 17:23:02 | sdv: tgt_node_name = 0x200400a0b85a591 Dec 21 17:23:02 | Couldn't open node for sdv: No such device or address If you have sg_utils, you can try sending some commands to these devices. > > Thanks in advance! > Rudy -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel