HP LTO6 -Drives Reboot or Disappear/Reappear of CISCO Switches (Doc ID 1637138.1)

Last updated on MAY 22, 2017

Applies to:

3rd-Party Hardware - Version Not Applicable to Not Applicable [Release N/A]
HP LTO6 Tape Drive - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

This was received from CISCO.  This was an issue for everyone when they went to 8 Gig (not an issue just would receive messages in the logs as a disconnect and reconnect).

The HP LTO6 drives were connected to the Cisco switch via a 4Gb blade.  Device ONLY disappeared from the host, then reappear.  Seen in VAR MESSAGE FILE in the Host Software.

Customer example of problem:
root@sacux201 # grep PWWN /var/adm/messages      
Mar  6 13:50:13 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(6)::N_x Port with D_ID=1000e, PWWN=500104f000a0b1ac disappeared from fabric
Mar  6 13:50:57 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(6)::N_x Port with D_ID=1000e, PWWN=500104f000a0b1ac reappeared in fabric
Mar  6 13:51:41 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(6)::N_x Port with D_ID=1000e, PWWN=500104f000a0b1ac disappeared from fabric
Mar  6 15:22:16 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(6)::N_x Port with D_ID=1000e, PWWN=500104f000a0b1ac reappeared in fabric
Mar  7 03:53:26 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(11)::N_x Port with D_ID=2f0012, PWWN=500104f000a0b239 disappeared from fabric
Mar  7 03:53:29 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(11)::N_x Port with D_ID=2f0012, PWWN=500104f000a0b239 reappeared in fabric
Mar  7 05:18:08 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(11)::N_x Port with D_ID=2f0012, PWWN=500104f000a0b239 disappeared from fabric
Mar  7 05:18:11 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(11)::N_x Port with D_ID=2f0012, PWWN=500104f000a0b239 reappeared in fabric
Mar  7 05:25:24 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(11)::N_x Port with D_ID=2f0012, PWWN=500104f000a0b239 disappeared from fabric
Mar  7 05:25:27 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(11)::N_x Port with D_ID=2f0012, PWWN=500104f000a0b239 reappeared in fabric
Mar  7 08:33:22 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(11)::N_x Port with D_ID=2f0012, PWWN=500104f000a0b239 disappeared from fabric
Mar  7 08:33:25 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(11)::N_x Port with D_ID=2f0012, PWWN=500104f000a0b239 reappeared in fabric
Mar  7 09:12:07 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(11)::N_x Port with D_ID=2f0012, PWWN=500104f000a0b239 disappeared from fabric
Mar  7 09:12:10 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(11)::N_x Port with D_ID=2f0012, PWWN=500104f000a0b239 reappeared in fabric
Mar  7 10:26:19 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(11)::N_x Port with D_ID=2f000b, PWWN=500104f000a0b1e2 disappeared from fabric
Mar  7 12:39:58 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(11)::N_x Port with D_ID=2f0012, PWWN=500104f000a0b239 disappeared from fabric
Mar  7 12:40:01 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(11)::N_x Port with D_ID=2f0012, PWWN=500104f000a0b239 reappeared in fabric
Mar  7 14:13:39 sacux201 fctl: [ID 517869 kern.warning] WARNING: fp(11)::N_x Port with D_ID=2f0012, PWWN=500104f000a0b239 disappeared from fabric

Changes

 CISCO switch code -  It did not get implemented until 5.2.(8).

Cause

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