[Gluster-devel] Enabling shard on EC

[Ankireddypalle Reddy]

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<mailto: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<mailto:pkarampu at redhat.com>]
Sent: Thursday, May 04, 2017 6:07 AM
To: Ankireddypalle Reddy
Cc: Gluster Devel (gluster-devel at gluster.org<mailto:gluster-devel at gluster.org>); gluster-users at gluster.org<mailto: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<mailto: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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Pranith
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Pranith
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