[Gluster-devel] Don't allow data loss via add-brick (was Re: [Gluster-users] Add single server)

[Pranith Kumar Karampuri]

Yeah it is a good idea. I asked him to raise a bug and we can move forward
with it.

On Mon, May 1, 2017 at 9:07 PM, Joe Julian <joe at julianfamily.org> wrote:

>
> 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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-- 
Pranith
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