[Gluster-users] Node Failure

[Michael Messig]

We also considered such an approach, but could not be sure if this would 
cause problems... It would definitely be an ideal way to restore a node 
to maintain data integrity!

Any light on that would be great!

Mike

Keith Freedman wrote:
> Raghavendra,
>
> I didn't chime in cause I wasn't sure this would work, but what I 
> always envisioned in a similar situation is the following..  would 
> this work?:
>
> set up a new node as a 2nd AFR node with an empty filesystem under 
> gluster.
> run the find/head  command and gluster will realize the local 
> filesystem is behind on everything and will AFR the whole tree?
>
> To me, if this would work without risking data loss, this is an ideal 
> way to restore a node.
>
> ??
> Keith
>
>
>
> At 08:44 PM 8/10/2008, Raghavendra G wrote:
>> Hi michael,
>> some are inlined.
>>
>> On Mon, Aug 11 2008 at 5:29 AM, Michael Messig 
>> <<mailto:michael.messig at sitepoint.com>michael.messig at sitepoint.com> 
>> wrote:
>> Hi Guys,
>>
>> I have two nodes set up using afr. Overnight the first machine died and
>> i've had to rebuild it based on a copy of the second machine (they are
>> both vm's).
>>
>>
>> after  rebuild,  are the both nodes identical? If so, did you set 
>> extended attributes appropriately for the files you repaired or 
>> created (afr uses extended attributes to synchronise 
>> files/directories b/w its children).
>>
>> Is there anything bad that will happen if I start the
>> rebuilt first machine (i've changed the configuration accordingly)?
>>
>>
>> Did you change the glusterfs configuration? If so, can you send the 
>> configuration files before and after the failure?
>>
>> I.e
>> will gluster just pick up on its merry way, get all the updates from the
>> second machine that have occured since the copy and not destroy the
>> filesystem?
>>
>> Thanks!
>>
>> Mike
>>
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>>
>>
>>
>> -- 
>> Raghavendra G
>>
>> A centipede was happy quite, until a toad in fun,
>> Said, "Prey, which leg comes after which?",
>> This raised his doubts to such a pitch,
>> He fell flat into the ditch,
>> Not knowing how to run.
>> -Anonymous
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