Do not install ESXi 5.5 Update 3 if you rely on VMware snapshots

ESXi 5.5 Update 3 was released on September 16, 2015.   Since it was released it has emerged that after upgrading an ESXi host to this update, a snapshot consolidation task can result in the relevant Virtual Machine suffering an outage.

This disruptive issue occurs due to a segmentation fault when changing the snapshot tree data-structure.

More details are here:

Snapshot consolidation causes virtual machines running on VMware ESXi 5.5 Update 3 hosts to fail with the error: Unexpected signal: 11 (2133118)

Clearly you should not install this update if your data protection software relies on VMware snapshots.   If you have already installed it, consult the VMware link above for a work around strategy or suspend your snapshot scheduler (which you may need to do from your data protection software) while we wait for a fix from VMware.

 

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About Anthony Vandewerdt

I am an IT Professional who lives and works in Melbourne Australia. This blog is totally my own work. It does not represent the views of any corporation. Constructive and useful comments are very very welcome.
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One Response to Do not install ESXi 5.5 Update 3 if you rely on VMware snapshots

  1. Omar Reissing says:

    Muchas Gracias Aussie

    El Viernes, 2 de octubre, 2015 7:00:56, Aussie Storage Blog escribió:

    #yiv2544042642 a:hover {color:red;}#yiv2544042642 a {text-decoration:none;color:#0088cc;}#yiv2544042642 a.yiv2544042642primaryactionlink:link, #yiv2544042642 a.yiv2544042642primaryactionlink:visited {background-color:#2585B2;color:#fff;}#yiv2544042642 a.yiv2544042642primaryactionlink:hover, #yiv2544042642 a.yiv2544042642primaryactionlink:active {background-color:#11729E;color:#fff;}#yiv2544042642 WordPress.com | Anthony Vandewerdt posted: “ESXi 5.5 Update 3 was released on September 16, 2015.   Since it was released it has emerged that after upgrading an ESXi host to this update, a snapshot consolidation task can result in the relevant Virtual Machine suffering an outage.This disruptive” | |

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