On Friday, September 09, 2011 12:54:51 AM Paras pradhan wrote:
Hi,
I have a host which is connected to SAN via single Fibre channel HBA
(qlogic). I have several LUNS assigned to this (sdc, sdd). I added
another single port HBA to this host. I can now see two world wide
names.
Now the confusion is which world wide name does sdc and sdd is/was using.
scsi_id -g -u -s /block/sdc only gives wwid but I need the wwn for sdc and
sdd.
I'm not sure I understand what you're looking for but info on the local fc
port through which a device is seen can be found in:
/sys/class/fc_host/hostX/
where X is the scsi host number (which can be seen in lsscsi output for
example.
If you want info on a remote port have a look in:
/sys/class/fc_remote_ports/rport-XX/
Mapping scsi dev to rport-XX can be done via:
/sys/class/fc_transport/targetSCSI-ID/port_name
(or you could just build lsscsi =0.19 and use the -t option).
/Peter
Thanks
Paras.
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