[Gluster-devel] AFR between two bricks over 3000 miles

nathan at robotics.net nathan at robotics.net
Thu Feb 28 15:33:09 UTC 2008

On Thu, 28 Feb 2008, LI Daobing wrote:

> On Thu, Feb 28, 2008 at 2:07 PM, Anand Avati <avati at zresearch.com> wrote:
>> on the client. you also might want to put this write-behind + io-cache pair
>>  in the subvolume path of afr which leads towards the remote site alone. Also
>>  make sure afr does not have the remote site as the first subvolume, and has
>>  the option read-subvolume <local-volume> so that reads are not scheduled to
>>  the remote site.
> in 1.3.8pre1, the order of afr's subvolume should be same among
> clients, otherwise there is a race condition on create and other
> operations on inode. consider two client are creating a same file at a
> same time.

So then it is not possible to have clients each write to their local part 
of the AFR since the order needs to be the same?


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