[Gluster-devel] Enabling shard on EC

[Pranith Kumar Karampuri]

+Krutika

Krutika started work on this. But it is very long term. Not a simple thing
to do.

On Thu, May 4, 2017 at 3:53 PM, Ankireddypalle Reddy <areddy at commvault.com>
wrote:

> Pranith,
>
>                  Thanks. Is there any work in progress to add this support.
>
>
>
> Thanks and Regards,
>
> Ram
>
> *From:* Pranith Kumar Karampuri [mailto:pkarampu at redhat.com]
> *Sent:* Thursday, May 04, 2017 6:17 AM
>
> *To:* Ankireddypalle Reddy
> *Cc:* Gluster Devel (gluster-devel at gluster.org); gluster-users at gluster.org
> *Subject:* Re: [Gluster-devel] Enabling shard on EC
>
>
>
>
>
>
>
> On Thu, May 4, 2017 at 3:43 PM, Ankireddypalle Reddy <areddy at commvault.com>
> wrote:
>
> Pranith,
>
>                  Thanks. Does it mean that a given file can be written by
> only one client at a time. If multiple clients try to access the file in
> write mode, does it lead to any kind of data inconsistencies.
>
>
>
> We only tested it for single writer cases such as VM usecases. We need to
> bring in transaction framework for sharding to work with multiple writers.
>
>
>
>
>
> Thanks and Regards,
>
> Ram
>
> *From:* Pranith Kumar Karampuri [mailto:pkarampu at redhat.com]
> *Sent:* Thursday, May 04, 2017 6:07 AM
> *To:* Ankireddypalle Reddy
> *Cc:* Gluster Devel (gluster-devel at gluster.org); gluster-users at gluster.org
> *Subject:* Re: [Gluster-devel] Enabling shard on EC
>
>
>
> It is never been tested. That said, I don't see any missing pieces that we
> know of for it to work. Please note that sharding works only for single
> writer cases at the moment. Do let us know if you find any problems and we
> will fix them.
>
>
>
> On Wed, May 3, 2017 at 2:17 PM, Ankireddypalle Reddy <areddy at commvault.com>
> wrote:
>
> Hi,
>
>       Are there any known negatives of enabling shard on EC. Is this a
> recommended configuration?.
>
>
>
> Thanks and Regards,
>
> Ram
>
>
>
>
>
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> --
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> Pranith
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> Pranith
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-- 
Pranith
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