[GE users] occasional job failure - can't find user's home directory

cjf001 john.foley at motorola.com
Wed Oct 27 18:19:02 BST 2010


Jon -

thanks for the reply - that's very interesting info. One
question, though - when you say you "turned off" the
automounter, I'm assuming that you also had to hard-mount
the user's home directory areas, and any other NFS
areas that the simulations require ?

   Thanks,

    John


jlforrest wrote:
> On 10/27/2010 9:51 AM, cjf001 wrote:
>
>> So, a couple of questions for the group :
>>
>> 1) anyone else ever see this ?  If so, ever track it down ?
>
> I have a cluster running Rocks 5.2 (== CentOS 5.3).
> I was having a problem similar to yours, except it
> wouldn't kick in until a job had been running
> for many hours. In this case, the job had been
> writing to a local disk, and then attempted
> to write to an automounter managed home directory.
>
> I sent a description of the exact error message
> to the automounter mailing list. They said that
> several bugs had been fixed since the version
> of automounter in CentOS 5.3. Rather than trying
> to install the latest version, I just turned off
> the automounter and all my problems went away.
>
> In a typical Beowulf cluster I don't think it's necessary
> to run an automounter in order for the compute nodes
> to mount filesystems from the cluster file server.
> Can you try turning it off? If you're running Rocks,
> I posted a message to the Rocks mail list about how
> to do this.
>
> Cordially,
>
> -- Jon Forrest
>
> Research Computing Support
> College of Chemistry
> 173 Tan Hall
> University of California Berkeley
> Berkeley, CA 94720-1460
> 510-643-1032
> jlforrest at berkeley.edu
>
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