[Gluster-users] self healing with sharding

Kevin Lemonnier
Fri, 08 Jul 2016 09:23:11 -0000

No, only the shards that were modified during the downtime of the node
will need to be healed. It is MUCH quicker than healing the whole
VM file without sharding, and shouldn't provoke a freez of the VM
because of locking.

On Fri, Jul 08, 2016 at 10:41:16AM +0200, Gandalf Corvotempesta
wrote:
> Let's assume a 3 node cluster with replica 3 and a huge file (1GB)
> with shard size of 100MB
>
> Gluster automatically create 10 chunks for the file.
>
> In a 3 node cluster with replica 3, all chunks are on every server.
>
> A node dies.
>
> When the node comes back online, self healing is triggered.
> In this case, the whole file would be healed, as all shards must be
> replicated, right ?
> Any advantage with this over a standard configuration without shard?
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--
Kevin Lemonnier
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