I have a 3-way replica HCI setup.  I recently placed one host in
maintenance to perform work on it.  When I re-activated it I've noticed
that many of my gluster volumes are not completing the heal process.

heal info shows shard files in heal pending.  I looked up the files and it
appears that they exist on the other two hosts (the ones that remained
active) but do not exist on the host that was in maintenance.

I tried to run a manual heal on one of the volumes and then a full heal as
well but there are still unhealed shards.  The shard files also still do
not exist on the maintenance host.  Here is an example from one of my
volumes:

# gluster volume heal prod_a info
Brick gluster0:/gluster_bricks/prod_a/prod_a
Status: Connected
Number of entries: 0

Brick gluster1:/gluster_bricks/prod_a/prod_a
/.shard/a746f8d2-5044-4d20-b525-24456e6f6f16.177
/.shard/a746f8d2-5044-4d20-b525-24456e6f6f16.178
Status: Connected
Number of entries: 2

Brick gluster2:/gluster_bricks/prod_a/prod_a
/.shard/a746f8d2-5044-4d20-b525-24456e6f6f16.177
/.shard/a746f8d2-5044-4d20-b525-24456e6f6f16.178
Status: Connected
Number of entries: 2


host0:

# ls -al
/gluster_bricks/prod_a/prod_a/.shard/a746f8d2-5044-4d20-b525-24456e6f6f16.177
ls: cannot access
/gluster_bricks/prod_a/prod_a/.shard/a746f8d2-5044-4d20-b525-24456e6f6f16.177:
No such file or directory

host1:

# ls -al
/gluster_bricks/prod_a/prod_a/.shard/a746f8d2-5044-4d20-b525-24456e6f6f16.177
-rw-rw----. 2 root root 67108864 Jan 13 16:57
/gluster_bricks/prod_a/prod_a/.shard/a746f8d2-5044-4d20-b525-24456e6f6f16.177

host2:

# ls -al
/gluster_bricks/prod_a/prod_a/.shard/a746f8d2-5044-4d20-b525-24456e6f6f16.177
-rw-rw----. 2 root root 67108864 Jan 13 16:57
/gluster_bricks/prod_a/prod_a/.shard/a746f8d2-5044-4d20-b525-24456e6f6f16.177


How can I heal these volumes?

Thanks!
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