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List:       opensolaris-storage-discuss
Subject:    Re: [storage-discuss] Cannot Perform Fabric Login. Link Attention?
From:       "James C. McPherson" <James.C.McPherson () gmail ! com>
Date:       2007-03-07 23:59:03
Message-ID: 45EF51C7.1000101 () gmail ! com
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Steve Heck wrote:
> Hello,
> 
> I get 'Cannot Perform Fabric Login. Link Attention.' when I try:
> 
> ok apply show-children /pci@1e,600000/pci@0/pci@8/SUNW,emlxs@0
> 
> Not sure why this is happening.

Basic answer - because you need a higher layer to provide the
correct information to the switch. When you're at OBP this higher
layer (the fp module) isn't operating.


> I believe I have the correct patches (119470-09 & 120222-13) for  the \
> SG-XPCIE1FC-EM4.  I am using a Brocade Silk Worm 3200 switch.   No rmt# assigned.
> 
> Sun Microsystems Inc.   SunOS 5.10      Generic January 2005
> # cfgadm -lav -o show_FCP_dev
> Ap_Id                          Receptacle   Occupant     Condition  Information
> When         Type         Busy     Phys_Id
> c2                             connected    configured   unknown
> unavailable  fc-fabric    n        \
> /devices/pci@1e,600000/pci@0/pci@8/SUNW,emlxs@0/fp@0,0:fc c2::100000e0020299fd,0    \
> connected    configured   unknown    SONY SDX-1100 unavailable  tape         n      \
> /devices/pci@1e,600000/pci@0/pci@8/SUNW,emlxs@0/fp@0,0:fc::100000e0020299fd,0 \
> c2::50800460280250a9,0         connected    configured   unknown    SONY SDZ-130 \
> unavailable  tape         n        \
> /devices/pci@1e,600000/pci@0/pci@8/SUNW,emlxs@0/fp@0,0:fc::50800460280250a9,0 # 
> 
> This is my st.conf.  
> 
> tape-config-list=
> 
> "SONY    SDX-1100", "SONY SDX-1100", "SONY_AIT",
> "SONY    SDZ-130", "SONY SDZ-130", "SONY_SAIT";
> 
> SONY_AIT = 2,0x36,0,0x19639,4,0x00,0x00,0x00,0x00,0,60,900,900,1500,1200,1200,10800;
>  SONY_SAIT = 2,0x36,0,0x19639,4,0x00,0x00,0x00,0x00,0,60,900,900,1500,1200,1200,18000;
> 
...
> # This line adds support for Fibre Channel Tapes
> name="st" parent="fp" target=0;

You might want to try changing the parent=.. bit so that it reads


name="st" parent="/pci@1e,600000/pci@0/pci@8/SUNW,emlxs@0" target=0;


If that doesn't work for you after a reboot, I suggest that you
log a call with Sun and provide a live crash dump for PTS to
analyse. If you're interested in how the internals fit together
you could have a wander through my presentation on the san stack:


http://www.jmcp.homeunix.com/Getting_to_know_the_SAN_stack.pdf



cheers,
James C. McPherson
--
Solaris kernel software engineer, system admin and troubleshooter
               http://www.jmcp.homeunix.com/blog
Find me on LinkedIn @ http://www.linkedin.com/in/jamescmcpherson
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