lsscsi currently can provide some transport related
WWN information when the --transport (-t) option
is used. This will probably be a target port name rather
than a LU name.
Fetching the LU name has proven elusive. The most direct
way would be to issue an INQUIRY to get the device
identification VPD page but that would require root
permissions. A feature of lsscsi is that it doesn't need
root permissions (or related tricks).
This beta adds a --wwn (-w) option which searches the udev
provided /dev/disk/by-id/wwn-* symlinks. This will find
WWNs (LU names) for disks if udev can find them.
If there is no averse feedback version 0.26 will be released
in a few weeks.
There are two SATA disks in the example below: /dev/sda and
/dev/sdd . /dev/sda has no WWN and is directly connected to
a SATA controller on the motherboard. /dev/sdd has a WNN and
is connected via a SAS expander.
# lsscsi
[1:0:0:0] disk ATA ST3320620AS 3.AA /dev/sda
[6:0:0:0] enclosu Intel RES2SV240 0600 -
[6:0:1:0] disk SEAGATE ST33000650SS 0002 /dev/sdb
[6:0:2:0] disk SEAGATE ST32000444SS 0006 /dev/sdc
[6:0:3:0] disk ATA ST3500418AS CC34 /dev/sdd
# lsscsi -w
[1:0:0:0] disk /dev/sda
[6:0:0:0] enclosu -
[6:0:1:0] disk 0x5000c50033fe58db /dev/sdb
[6:0:2:0] disk 0x5000c500215725bf /dev/sdc
[6:0:3:0] disk 0x5000c500120bfe84 /dev/sdd
# lsscsi -t
[1:0:0:0] disk sata: /dev/sda
[6:0:0:0] enclosu sas:0x5001517e85c3effd -
[6:0:1:0] disk sas:0x5000c50033fe58d9 /dev/sdb
[6:0:2:0] disk sas:0x5000c500215725bd /dev/sdc
[6:0:3:0] disk sas:0x5001517e85c3efe2 /dev/sdd
Version 0.26 beta 2 is available at:
http://sg.danny.cz/scsi/lsscsi.html
More information can be found on that page including examples
and a Download section for the tarball:
http://sg.danny.cz/scsi/lsscsi-0.26b2.tgz
There are no debian or redhat packages built for this beta.
Version 0.26 2012/01/31 [svn: r97]
- add 'fcoe' transport indicator
- add '--wwn' option, datamine /dev/disk/by-id/wwn*
- move lsscsi.c into src directory
Version 0.25 2011/05/09 [svn: r92]
...
Doug Gilbert
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
