SL3000 - Internal Network Issue, Link to the AEMs is Down on Both AEMs and Both A & B Links

Asset ID:	1-72-2084689.1
Update Date:	2017-05-22
Keywords:

Solution Type Problem Resolution Sure

Solution 2084689.1 : SL3000 - Internal Network Issue, Link to the AEMs is Down on Both AEMs and Both A & B Links

Applies to:

Sun StorageTek SL3000 Modular Library System - Version All Versions and later
Information in this document applies to any platform.

Symptoms

Internal Network Issue, Link to the AEMs is Down on Both AEMs and Both A & B Links.

The status in ACSLS and seeing that all CAPs were online and 'green' in SLconsole, the customer entered some tapes via the right AEM.
The enter operation completed successfully.

Despite everything appearing to be functioning normally, SLconsole is showing that the links are still down.

Cause

Undetermined.

Solution

In this situation, try resetting the CAPs via CLI using the below command:

capCommand resetCap <side>
where side is <left|right|both>

If the AEMs are functioning normally, the link has to be there between the HBCR and the PUX cards.

To verify link, do the following:

1. Hit 'Refresh' on SLC to make sure you are looking at current status
2. Check AEM link LEDs on the PUM. Make sure they are lit/blinking.
3. SSH into the library and issue the CLI commands:

aem status left

The output will look like this:

SL3000> aem status left
   requestId
   requestId 4536101
   Attributes Aem Door Open        close
              Aem Safe For Robot   true
              Aem Safety Door Down false
              Present              true
   Object     Card                 aemleft
   Done
   Failure Count 0
   Success Count 1
COMPLETED

aem status right

SL3000> aem status right
   requestId
   requestId 4536201
   Attributes Aem Door Open        close
              Aem Safe For Robot   true
              Aem Safety Door Down false
              Present              true
   Object     Card                 aemright
   Done
   Failure Count 0
   Success Count 1

COMPLETED

Also, ping each AEM from CLI by issuing the commands:
ping pux1
ping pux2

From the SL3000 4.31 release notes.
Minimum versions for related products:
SLC version:
FRS_6.50 is REQUIRED for this SL3000 Release.

Rebooted the library and the alert cleared.

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