[Lustre-discuss] upgrade to 1.8.4 and test fallback to 1.6.7.2

[Ms. Megan Larko]

Wow.   I did not know that difference.   I like what I have read about MMP.

Thank you.
MLarko

SGI Federal

On Mon, Sep 27, 2010 at 5:10 PM, Johann Lombardi
<johann.lombardi at oracle.com> wrote:
> Hi Megan,
>
> On Mon, Sep 27, 2010 at 01:50:38PM -0400, Ms. Megan Larko wrote:
>> Okay....I was getting errors when I attempted to use --erase-params
>> and --writeconf in 1.8.4 stating that my 1.6.7.2 parameters would have
>> to be updated (again, my "failover.node" string becomes "failnode"
>> string).  Just my personal experience so far...
>
> --failnode is actually very similar to --param="failover.node=".
> In both cases, the same parameter (i.e. PARAM_FAILNODE="failover.node=") is
> stored in the configuration logs. The only difference is that --failnode
> enables MMP automatically, that's why we recommend to use it.
> To sum up, there should not be any compatibility issue (BTW, --failnode is
> also available in 1.6, AFAIK).
>
> Cheers,
> Johann
>