[Gluster-users] Convert to Sharding

[Strahil Nikolov]

On March 22, 2020 7:55:16 AM GMT+02:00, Amar Tumballi <amar at kadalu.io> wrote:
>On Sun, Mar 22, 2020 at 4:29 AM Gionatan Danti <g.danti at assyoma.it>
>wrote:
>
>> Il 2020-03-21 21:02 Strahil Nikolov ha scritto:
>> > WARNING: DO NOT DISABLE  SHARDING!!!
>> > EVER!
>>
>> Sorry to hijack, but I am genuinely curious: why sharding should not
>be
>> disabled? What does happen if/when disabling sharding?
>>
>>
>When 'Sharding' is enabled, a single file gets broken into multiple
>files,
>based on offset. But when one does 'readdir()' (ie, ls), those files
>are
>hidden, and only the valid entry is shown from the Shard xlator in the
>graph.
>
>Now, when shard is disabled, these files are exposed directly on the
>mountpoint, confusing the user, and making the previously successfully
>written files inaccessible.
>
>Hope this helps you to understand why disabling Shard once enabled is
>hard!
>
>-Amar
>
>
>> Thanks.
>>
>> --
>> Danti Gionatan
>> Supporto Tecnico
>> Assyoma S.r.l. - www.assyoma.it [1]
>> email: g.danti at assyoma.it - info at assyoma.it
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>>
>>
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Hey Amar,

I was  thinking if  it's possible to retrieve a  sharded file from the brick by concatenating the file + all  shards  one after another.
Do you think that this is possible ?

Best Regards,
Strahil Nikolov