RE: [dm-devel] [ANNOUNCE] multipath-tools-0.4.1

Qlogic shouldn't be strung out. It wasn't them....

As part of a change that went into the FC transport - the device reported under this directory was moved from the LUN device to the Target device - thus the change in name format (it killed replication of target data that was being done for all luns). The attributes underneath remain the same. I believe this change occurred in the first rc1 patch to 2.6.9.

As to the grand plan - you should be fine if you :
 pre-2.6.10: it's the older name format "/sys/class/fc_transport/<host>:<channel>:<target>:<lun>"
 2.6.10 and later : it's the new format "/sys/class/fc_transport/target<host>:<channel>:<target>"

 and the folks running a patched 2.6.9 have to live by the new format.

-- James S.

-----Original Message-----
From: dm-devel-bounces@redhat.com 
[mailto:dm-devel-bounces@redhat.com]On
Behalf Of christophe varoqui
Sent: Wednesday, December 22, 2004 4:53 PM
To: device-mapper development
Cc: linux-raid@vger.kernel.org;
linux-hotplug-devel@lists.sourceforge.net; linux-scsi@vger.kernel.org
Subject: RE: [dm-devel] [ANNOUNCE] multipath-tools-0.4.1


Le mercredi 22 d?embre 2004 à 11:26 -0800, Caushik, Ramesh a écrit :

quoted

On my system I have a Qlogic 2310 driver running on a 2.6.9 

kernel. The fc_transport 

quoted

directory in sysfs looks like 

ls -ll /sys/class/fc_transport/
total 0
drwxr-xr-x   6 root root 0 Dec 16 13:59 .
drwxr-xr-x  20 root root 0 Dec 15 14:31 ..
drwxr-xr-x   2 root root 0 Dec 16 13:59 2:0:0:0
drwxr-xr-x   2 root root 0 Dec 16 13:59 2:0:1:0
drwxr-xr-x   2 root root 0 Dec 16 13:59 2:0:2:0
drwxr-xr-x   2 root root 0 Dec 16 13:59 2:0:3:0  

The patch addresses only this format. So please disregard 

the patch, and sorry about the confusion.

quoted

...

quoted

[root@cl039 multipath]# ll /sys/class/fc_transport/
total 0
drwxr-xr-x    2 root     root            0 Dec 14 16:26 target2:0:0
drwxr-xr-x    2 root     root            0 Dec 14 16:26 target2:0:1
drwxr-xr-x    2 root     root            0 Dec 14 16:26 target2:0:2
drwxr-xr-x    2 root     root            0 Dec 14 16:27 target2:0:3
drwxr-xr-x    2 root     root            0 Dec 14 16:27 target3:0:0
drwxr-xr-x    2 root     root            0 Dec 14 16:27 target3:0:1
drwxr-xr-x    2 root     root            0 Dec 14 16:27 target3:0:2
drwxr-xr-x    2 root     root            0 Dec 14 16:27 target3:0:3

Can someone, maybe from Qlogic, comment on these differences ?
Is there a grant unified plan for driver objects 
representation through
sysfs, and if so which is the right path name to fetch the node_name.

regards,
-- 
christophe varoqui [off-list ref]


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