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From Jakob Homan <jgho...@gmail.com>
Subject Re: namenode doesn't start after reboot
Date Thu, 23 Dec 2010 20:47:37 GMT
Please move discussions of CDH issues to Cloudera's lists.  Thanks.

On Thu, Dec 23, 2010 at 12:02 PM, Todd Lipcon <todd@cloudera.com> wrote:
> On Thu, Dec 23, 2010 at 2:50 AM, Bjoern Schiessle <bjoern@schiessle.org>wrote:
>
>>
>> 1. I have set up a second dfs.name.dir which is stored at another
>> computer (mounted by sshfs)
>>
>
> I would strongly discourage the use of sshfs for the name dir. For one, it's
> slow, and for two, I've sen it have some really weird semantics where it's
> doing write-back caching.
>
> Just take a look at its manpage and you should get scared about using it for
> a critical mount point like this.
>
> A soft interruptable NFS mount is a much safer bet.
>
> -Todd
> --
> Todd Lipcon
> Software Engineer, Cloudera
>

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