[Lustre-discuss] Recommended failover software for Lustre

[Cliff White]

Thanks, we've created http://jira.whamcloud.com/browse/LUDOC-69 to track
the fixes to the manual.
cliffw


On Mon, Jul 16, 2012 at 4:23 AM, Christopher J.Walker <C.J.Walker at qmul.ac.uk
> wrote:

> The "configuring failover" section in the Whamcloud release of the
> Lustre manual seems rather out of date:
>
>
> http://build.whamcloud.com/job/lustre-manual/lastSuccessfulBuild/artifact/lustre_manual.html#configuringfailover
>
> The Oracle release says much the same thing:
>
> http://wiki.lustre.org/manual/LustreManual20_HTML/ConfiguringFailover.html#50540588_50628
>
> In section 11.1.1 "Power management software", it says:
>
> "For more information about PowerMan, go to:
> https://computing.llnl.gov/linux/powerman.html"
>
> Which no longer exists. It should probably point at
> http://code.google.com/p/powerman/
>
>
> Then in section 11.2. "Setting up High-Availability (HA) Software with
> Lustre" it mentions "Red Hat Cluster Manager"  and "Pacemaker".
>
> "Red Hat Cluster Manager" points to
> http://wiki.lustre.org/index.php/Using_Red_Hat_Cluster_Manager_with_Lustre
>
> which says "In comparison with other HA solutions, RedHat Cluster as in
> RHEL 5.5 is an old HA solution. We recommend using other HA solutions
> like Pacemaker, if possible. "
>
> The pacemaker link:
> http://wiki.lustre.org/index.php/Using_Pacemaker_with_Lustre
>
> Although the title of this is "Using Pacemaker with Lustre", it starts
> off by saying "In modern clusters, OpenAIS, or more specifically, its
> communication stack corosync, is used for this task".
>
>
> In summary:
>
> 1) The manual could do with some updating here.
>
> 2) I suspect I should be using corosync.
>
> Chris
>
>
>
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>



-- 
cliffw
Support Guy
WhamCloud, Inc.
www.whamcloud.com
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