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Sun Storage 7000 Unified Storage System: How to troubleshoot a (kernel) memory shortage (Doc ID 1610490.1)

Last updated on JANUARY 08, 2018

Applies to:

Sun Storage 7110 Unified Storage System - Version All Versions and later
Sun Storage 7210 Unified Storage System - Version All Versions and later
Sun Storage 7310 Unified Storage System - Version All Versions and later
Sun Storage 7410 Unified Storage System - Version All Versions and later
Sun ZFS Storage 7420 - Version All Versions and later
7000 Appliance OS (Fishworks)

Symptoms

The following symptoms can be used to determine if we are in a kernel memory shortage situation :

When a memory shortage occurs, the system typically collapses this way:

- Data services become unavailable,

- The BUI and CLI are unavailable also.

- A connection to the ZFSSA through SSH is impossible.

- Any connection to the ILOM of the ZFSSA through SSH, then starting the console shows no prompt at all.

 

Those are the typical symptoms helping to determine we are in a kernel memory shortage situation.

Changes

 This can happen while no recent change has been committed to the system recently.

Cause

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