[Gluster-devel] cluster/dht: restrict migration of opened files

[Raghavendra G]

On Thu, Jan 18, 2018 at 8:11 PM, Pranith Kumar Karampuri <
pkarampu at redhat.com> wrote:

>
>
> On Tue, Jan 16, 2018 at 2:52 PM, Raghavendra Gowdappa <rgowdapp at redhat.com
> > wrote:
>
>> All,
>>
>> Patch [1] prevents migration of opened files during rebalance operation.
>> If patch [1] affects you, please voice out your concerns. [1] is a stop-gap
>> fix for the problem discussed in issues [2][3]
>>
>
> What is the impact on VM and gluster-block usecases after this patch? Will
> it rebalance any data in these usecases?
>

Assuming there is an fd opened on these files always and if
cluster.force-migration is set to off, there will be no migration. However,
we can force migration (even on files with open fds) by setting
cluster.force-migration to on.


>
>>
>> [1] https://review.gluster.org/#/c/19202/
>> [2] https://github.com/gluster/glusterfs/issues/308
>> [3] https://github.com/gluster/glusterfs/issues/347
>>
>> regards,
>> Raghavendra
>>
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>>
>
>
>
> --
> Pranith
>
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-- 
Raghavendra G
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