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Move to one data.path per shard #10461

Merged
merged 1 commit into from Apr 20, 2015
Merged

Move to one data.path per shard #10461

merged 1 commit into from Apr 20, 2015

Commits on Apr 20, 2015

  1. [STORE] Move to on data.path per shard 

    This commit moves away from using stripe RAID-0 simumlation across multiple
data paths towards using a single path per shard. Multiple data paths are still
supported but shards and it's data is not striped across multiple paths / disks.
This will for instance prevent to loose all shards if a single disk is corrupted.

Indices that are using this features already will automatically upgraded to a single
datapath based on a simple diskspace based heuristic. In general there must be enough
diskspace to move a single shard at any time otherwise the upgrade will fail.

Closes elastic#9498
    @s1monw
    s1monw committed Apr 20, 2015
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