[Gluster-devel] What if a subvolume becomes read-only?

Onyx lists at bmail.be
Fri Nov 14 11:36:51 UTC 2008


Vikas Gorur wrote:
> 2008/11/14 Onyx <lists at bmail.be>:
>   
>> Hi,
>>
>> I just had a problem with a disk failure. It was an ext3 partition, and
>> suddenly, bc of a problem, it automatically remounted as read-only.
>> It was not in a glusterfs setup yet, but it got me thinking...
>> What would have happened if that partition was in an afr setup?
>> I think glusterfs would hang on a write, correct?
>>     
>
> No, AFR would not hang. The write would fail on that volume, but as long
> as the write succeeds on atleast one volume, AFR reports success.
>
> Vikas
>   
Ok, nice!
But wouldn't that have a huge impact on the write performance?
How about Unify and DHT? Will those setups survive a write attempt to a 
read-only volume?







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