I'm looking for a quick and easy way to remove all the lunpaths associated with a particular tgtpath. Essentially we lost a port on one of our storage devices. The storage team "repaired" this by presenting a different port to the servers. That means we need to remove the failed path and all associated device files. I am trying to avoid a reboot to do this. I have 12 impacted servers with hundreds of LUNs to contend with.
# ioscan -kfnNC tgtpath
Class I H/W Path Driver S/W State H/W Type Description
=================================================================
tgtpath 4 32/0/2/0/0/0/0/4/0/0/0.0x500a098287a9aa96 estp CLAIMED TGT_PATH fibre_channel target served by fclp driver, target port id 0x280600
tgtpath 6 32/0/2/0/0/0/0/4/0/0/0.0x500a098297a9aa96 estp CLAIMED TGT_PATH fibre_channel target served by fclp driver, target port id 0x281f00
tgtpath 5 32/0/2/0/0/0/0/4/0/0/0.0x500a098787a9aa96 estp CLAIMED TGT_PATH fibre_channel target served by fclp driver, target port id 0x980a00
tgtpath 7 32/0/2/0/0/0/0/4/0/0/0.0x500a098797a9aa96 estp CLAIMED TGT_PATH fibre_channel target served by fclp driver, target port id 0x983800
tgtpath 3 34/0/2/0/0/0/0/4/0/0/0.0x500a098487a9aa96 estp CLAIMED TGT_PATH fibre_channel target served by fclp driver, target port id 0x1e0600
tgtpath 2 34/0/2/0/0/0/0/4/0/0/0.0x500a098497a9aa96 estp CLAIMED TGT_PATH fibre_channel target served by fclp driver, target port id 0x1e1f00
tgtpath 8 34/0/2/0/0/0/0/4/0/0/0.0x500a098587a9aa96 estp CLAIMED TGT_PATH fibre_channel target served by fclp driver, target port id 0x344f00
tgtpath 1 34/0/2/0/0/0/0/4/0/0/0.0x500a098887a9aa96 estp CLAIMED TGT_PATH fibre_channel target served by fclp driver, target port id 0x343100
tgtpath 0 34/0/2/0/0/0/0/4/0/0/0.0x500a098897a9aa96 estp CLAIMED TGT_PATH fibre_channel target served by fclp driver, target port id 0x341700
The failed tgtpath is: 34/0/2/0/0/0/0/4/0/0/0.0x500a098887a9aa96
There are 62 associated lunpaths with this tgtpath.
# scsimgr get_info -H 34/0/2/0/0/0/0/4/0/0/0.0x500a098887a9aa96
STATUS INFORMATION FOR TARGET PATH : 34/0/2/0/0/0/0/4/0/0/0.0x500a098887a9aa96
Generic Status Information
SCSI services internal state = IDLE
Port id = 0x343100
Protocol = fibre_channel
Protocol revision = 4.3
Port name = 0x500a098887a9aa96
Node name = 0x500a098087a9aa96
LUN paths registered (active/inactive) = 62
I tried to use scsimgr since the man page seems to imply that -H can accept a target path, but that doesn't work.
[root@preodbu1a]# scsimgr disable -H 34/0/2/0/0/0/0/4/0/0/0.0x500a098887a9aa96
scsimgr: ERROR: Invalid object identifier.
Command disable expects a LUN or LUN path identifier
I've disabled the lunpaths which prevents the system from accessing the LUNs over these paths. So far I see:
tgtpath 1 34/0/2/0/0/0/0/4/0/0/0.0x500a098887a9aa96 online
lunpath 2 34/0/2/0/0/0/0/4/0/0/0.0x500a098887a9aa96.0x0 online
lunpath 5 34/0/2/0/0/0/0/4/0/0/0.0x500a098887a9aa96.0x4000000000000000 disabled
lunpath 16 34/0/2/0/0/0/0/4/0/0/0.0x500a098887a9aa96.0x4001000000000000 disabled
lunpath 20 34/0/2/0/0/0/0/4/0/0/0.0x500a098887a9aa96.0x4002000000000000 disabled
lunpath 26 34/0/2/0/0/0/0/4/0/0/0.0x500a098887a9aa96.0x4003000000000000 disabled
lunpath 30 34/0/2/0/0/0/0/4/0/0/0.0x500a098887a9aa96.0x4004000000000000 disabled
lunpath 32 34/0/2/0/0/0/0/4/0/0/0.0x500a098887a9aa96.0x4005000000000000 disabled
lunpath 38 34/0/2/0/0/0/0/4/0/0/0.0x500a098887a9aa96.0x4006000000000000 disabled
. . .
Any easy way to get rid of this tgtpath, lunpaths, and associated device files without reboot?
