[Gluster-devel] [Gluster-users] Don't allow data loss via add-brick (was Re: Add single server)
mahdi.adnan at outlook.com
Mon May 1 19:08:46 UTC 2017
I first encountered this bug about a year ago, and lost more than 100 VM.
Sharding is essential to VM datastores and i think Gluster is't that useful without this feature for VMs.
I appreciate all the hard work that the developers putting on this bug, but i think a warning in CLI or something would be really helpful for Gluster users until the fix is ready.
Mahdi A. Mahdi
From: gluster-users-bounces at gluster.org <gluster-users-bounces at gluster.org> on behalf of Joe Julian <joe at julianfamily.org>
Sent: Monday, May 1, 2017 6:37:00 PM
To: gluster-users at gluster.org; Gluster Devel
Subject: [Gluster-users] Don't allow data loss via add-brick (was Re: Add single server)
On 04/30/2017 01:13 AM, lemonnierk at ulrar.net wrote:
>> So I was a little but luck. If I has all the hardware part, probably i
>> would be firesd after causing data loss by using a software marked as stable
> Yes, we lost our data last year to this bug, and it wasn't a test cluster.
> We still hear from it from our clients to this day.
>> Is known that this feature is causing data loss and there is no evidence or
>> no warning in official docs.
> I was (I believe) the first one to run into the bug, it happens and I knew it
> was a risk when installing gluster.
> But since then I didn't see any warnings anywhere except here, I agree
> with you that it should be mentionned in big bold letters on the site.
> Might even be worth adding a warning directly on the cli when trying to
> add bricks if sharding is enabled, to make sure no-one will destroy a
> whole cluster for a known bug.
I absolutely agree - or, just disable the ability to add-brick with
sharding enabled. Losing data should never be allowed.
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