[Gluster-devel] [POC] disaster recovery: reconstruct all shards

Krutika Dhananjay kdhananj at redhat.com
Mon Feb 27 05:02:53 UTC 2017

It should be possible to write a script that stitches the different pieces
of a single file together
(although with a few caveats).


On Sun, Feb 26, 2017 at 8:52 PM, Gandalf Corvotempesta <
gandalf.corvotempesta at gmail.com> wrote:

> Would be possible to add a command to use in case of disaster recovery
> (where everything is broken) to recreate files from sharding ?
> In example, let's assume a totally down cluster. no trusted pools and
> so on but sysadmin knows which hdd is part of any distributed replica:
> hdd1 + hdd2 + hdd3 are distributed and replicated to hdd4 + hdd5 + hdd6
> a CLI could traverse hdd1,hdd2,hdd3 and reconstruct all shards
> creating the original, unsharded file.
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