>>> On 4/12/2011 at 04:14 PM, Terry Wilson<terry.wil...@potashcorp.com> wrote: 
> Hello,
>   I am having a problem connecting ZFCP through my SVC. When I issue the 
> lsluns command it comes back with Unable to send the REPORT_LUNS command 
> to LUN.  Any ideas?
> Attached are commands 
> zlinux1:~ # lszfcp -P    (
> 0.0.5400/0x500507680140a23a rport-0:0-0
> 0.0.5400/0x50050763070342f3 rport-0:0-1     > 8300 disk
> 0.0.5400/0x500507680110a23a rport-0:0-2
> 0.0.5400/0x500507680140a31b rport-0:0-3
> 0.0.5400/0x500507680110a31b rport-0:0-4     
> 0.0.5401/0x500507680110a23a rport-1:0-0
> 0.0.5401/0x500507680140a31b rport-1:0-1
> 0.0.5401/0x500507680110a31b rport-1:0-2
> 0.0.5401/0x500507680140a23a rport-1:0-3
> 0.0.5401/0x50050763070342f3 rport-1:0-4    > 8300 disk
> 
>  zlinux1:~ # lszfcp -D
> 0.0.5400/0x50050763070342f3/0x4010400b00000000 0:0:1:1074479120

The LUN number (1074479120) looks extremely suspicious.  In hexadecimal, it's 
only 4 characters, so the maximum value would be 64K.  Are you sure you were 
told the correct number by the SAN administrator?  I ran into a customer 
recently where the SAN admin didn't understand that the value he was seeing on 
the SVC screens was _not_ the LUN, but a serial number.  Try configuring LUN 0 
and see if things get better.  As a starter, try this:
zfcp_san_disc -b 0.0.54c00 -p 0x50050763070342f3 -L

Mark Post

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