[Gluster-users] Reconstructing files from shards

Jim Kinney jim.kinney at gmail.com
Mon Apr 23 11:37:35 UTC 2018

Are there any plans to create an unsharding tool? 

On April 23, 2018 4:11:06 AM EDT, Gandalf Corvotempesta <gandalf.corvotempesta at gmail.com> wrote:
>2018-04-23 9:34 GMT+02:00 Alessandro Briosi <ab1 at metalit.com>:
>> Is it that really so?
>yes, i've opened a bug asking developers to block removal of sharding
>when volume has data on it or to write a huge warning message
>saying that data loss will happen
>> I thought that sharding was a extended attribute on the files created
>> sharding is enabled.
>> Turning off sharding on the volume would not turn off sharding on the
>> but on newly created files ...
>No, because sharded file are reconstructed on-the-fly based on the
>volume's sharding property.
>If you disable sharding, gluster knows nothing about the previous
>shard configuration, thus won't be able to read
>all shards for each file. It will only returns the first shard,
>resulting in data-loss or corruption.
>Gluster-users mailing list
>Gluster-users at gluster.org

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