Re: [hobbit] Problem with hobbit 4.2.0 on Solaris 10 with ZFS enabled

[Dominique Frise <dominique.frise (at) unil.ch>]

T.J. Yang wrote:
> When running hobbit server 4.2.0 on sparc Solaris 10 with ZFS enabled, the ZFS data is a pair of mirror disks to hold hobbit server data.
>
> This is the error messages I was seeing.
>
> hobbit (at) server$ tail bb-display.log
>
> 2009-06-09 08:57:35 Whoops ! bb failed to send message - timeout
>
> 2009-06-09 08:57:35 hobbitd status-board not available
>
> 2009-06-09 11:28:19 Whoops ! bb failed to send message - timeout
>
> 2009-06-09 11:28:21 hobbitd status-board not available
>
> 2009-06-09 11:43:48 Whoops ! bb failed to send message - timeout
>
> 2009-06-09 11:43:48 hobbitd status-board not available
>
> 2009-06-09 12:29:05 Whoops ! bb failed to send message - timeout
>
> 2009-06-09 12:29:07 hobbitd status-board not available
>
> 2009-06-09 13:18:33 Whoops ! bb failed to send message - timeout
>
> 2009-06-09 13:18:35 hobbitd status-board not available
>
> hobbit (at) server$
>
> And it was causing false PROC alerts got sent out due to process output got cut off early.
>
> limiting ZFS physical memory maximum usage by setting ARC variable to 3G in /etc/system didn't help either.
>
> The problem was fixed by disabling the ZFS by migrating from ZFS to SVM.
> The kenerl phyical memory usage was down from 85% to 20% (of 8G). hobbit server is much stable under this setting.
>
> The observation is that hobbit server doesn't work well under high phyical memory usage condition. 
>
> I am wondering if any other hobbit sites using Soalris 10+ZFS has similar problem.
We run a Xymon server on a Solaris 10/u6 x86 machine with ZFS boot and 
RAID 10 hardware without problem.
We also have Solaris 10 SPARC clients with ZFS boot/mirror enabled.

Dominique
_______________UNIL - University of Lausanne_______________
Dominique Frise             E-mail: Dominique.Frise (at) unil.ch
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