HP 3PAR SUSE Linux Enterprise Implementation Guide

===== paths list =====
uuid hcil dev dev_t pri dm_st chk_st
3600508b100104a3953553431574c000d 0:0:0:0 cciss!c0d0 104:0 1 [undef][ready]
350002ac001dc0031 2:0:2:99 sdc 8:32 1 [undef][ready]
350002ac001dc0031 3:0:0:99 sde 8:64 1 [undef][ready]
Oct 19 09:33:46 | params = 1 queue_if_no_path 0 1 1 round-robin 0 2 1 8:32 1000 8:64 1000
Oct 19 09:33:46 | status = 2 0 0 0 1 1 A 0 2 0 8:32 A 0 8:64 A 0
Oct 19 09:33:46 | 350002ac001dc0031: disassemble map [1 queue_if_no_path 0 1 1 round-robin 0 2 1 8:32 1000
8:64 1000 ]
The output to multipath -v 3 from a SUSE 10 host is slightly different than the one from
SUSE 11 host; however, the command displays the same information on the Device-mapper
devices:
# multipath -ll
350002ac001dc0031 dm-0 3PARdata,VV
[size=2.0G][features=1 queue_if_no_path][hwhandler=0]
\_ round-robin 0 [prio=2][active]
\_ 3:0:0:99 sdb 8:16 [active][ready]
\_ 2:0:0:99 sda 8:0 [active][ready]
Example using SUSE10:
# multipath -v 3
sdb: not found in pathvec
sdb: mask = 0x1f
sdb: dev_t = 8:16
sdb: size = 4194304
sdb: subsystem = scsi
sdb: vendor = 3PARdata
sdb: product = VV
sdb: rev = 0000
sdb: h:b:t:l = 3:0:0:99
sdb: tgt_node_name = 0x2ff70002ac00003
sdb: serial = 01DC0031
sdb: getuid = /sbin/scsi_id -g -u -s /block/%n (config file default)
sdb: uid = 350002ac001dc0031 (callout)
sdb: prio = const (config file default)
sdb: const prio = 1
sda: not found in pathvec
sda: mask = 0x1f
sda: dev_t = 8:0
sda: size = 4194304
sda: subsystem = scsi
sda: vendor = 3PARdata
sda: product = VV
sda: rev = 0000
sda: h:b:t:l = 2:0:0:99
sda: tgt_node_name = 0x2ff70002ac00003
sda: serial = 01DC0031
sda: getuid = /sbin/scsi_id -g -u -s /block/%n (config file default)
sda: uid = 350002ac001dc0031 (callout)
sda: prio = const (config file default)
sda: const prio = 1
===== paths list =====
uuid hcil dev dev_t pri dm_st chk_st
350002ac001dc0031 3:0:0:99 sdb 8:16 1 [undef][undef]
350002ac001dc0031 2:0:0:99 sda 8:0 1 [undef][undef]
3600508b100104a395355313634520008 0:0:0:0 cciss!c0d0 104:0 1 [undef][undef]
params = 1 queue_if_no_path 0 1 1 round-robin 0 2 1 8:16 100 8:0 100
status = 2 0 0 0 1 1 A 0 2 0 8:16 A 0 8:0 A 0
sdb: mask = 0x4
sdb: path checker = tur (controller setting)
sdb: state = 2
sda: mask = 0x4
sda: path checker = tur (controller setting)
sda: state = 2
Displaying Detailed Device-mapper Node Information
Use multipath -l for listing of devices and dmsetup to get detailed dm node information.
58 Modifying HP 3PAR Devices on the Host