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SVC reporting connection issues due to broken ISL

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Category:
fabric-interconnect-and-management-switches
Specialty:
brocade
Last Updated:

Applies to

  • Brocade FC switch
  • IBM SAN Volume Controller (SVC)
  • Inter-switch link (ISL)

Issue

  • SVC reports errors on a port used for ISL:

Cluster path failure

Login excluded

  • On the switch itself the ISL trunk is up with no increasing errors:
islshow        :
  2: 64-> 64 10:00:d8:1f:cc:00:00:02  42 switch2-fid50                  sp: 16.000G bw: 32.000G TRUNK CR_RECOV FEC
 
trunkshow        :
  2: 64-> 64 10:00:d8:1f:cc:00:00:02  42 deskew 23 MASTER
     65-> 65 10:00:d8:1f:cc:00:00:02  42 deskew 5
 
switchshow        :
Index Port Address  Media Speed   State       Proto
==================================================
  64  64   280500   id    16G   Online      FC  LS E-Port  10:00:d8:1f:cc:00:00:02 "switch2-fid50" (downstream)(Trunk master)  
  65  65   280600   id    16G   Online      FC  LS E-Port  (Trunk port, master is Port 64 )
 
porterrshow
          frames      enc    crc    crc    too    too    bad    enc   disc   link   loss loss   frjt   fbsy  c3timeout    pcs    uncor
       tx     rx      in     err    g_eof  shrt   long   eof     out   c3    fail   sync   sig                  tx    rx     err    err
 64:   66.8m  54.4m   0      0      0      0      0      0      0      0      0      0      0      0      0      0      0      0      0
 65:  241.3m 228.5m   0      0      0      0      0      0      0      0      0      0      0      0      0      0      0      0      0

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