Hi Don,

> 1. Remove the brick from the Gluster volume, stop the array, detach the 8 
> vols, make new vols from last good snapshot, attach new vols, restart array, 
> re-add brick to volume, perform self-heal.
> 
> or
> 
> 2. Remove the brick from the Gluster volume, stop the array, detach the 8 
> vols, make brand new empty volumes, attach new vols, restart array, re-add 
> brick to volume, perform self-heal.  Seems like this one would take forever 
> and kill performance.

I am very new to Gluster, but I would think that solution 2 is the
safest: you don't mix-up the rebuild from two different sources, only
Gluster is involved in rebuilding.

Though I have read that you can self-heal with a time parameter to
limit the find to the files that were modified since your brick was
off line. So I beleive that could be extended to the time since your
snapshot.

Instead of configuring your 8 disks in RAID 0, I would use JOBD and
let Gluster do the concatenation. That way, when you replace a disk,
you just have 125 GB to self-heal.

Best regards,

Olivier

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