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With this change when SHD starts the index crawl it requests
all the clients to release the AFR_TA_DOM_NOTIFY lock so that
clients will know the in memory state is no more valid and
any new operations needs to query the thin-arbiter if required.
When SHD completes healing all the files without any failure, it
will again take the AFR_TA_DOM_NOTIFY lock and gets the xattrs on
TA to see whether there are any new failures happened by that time.
If there are new failures marked on TA, SHD will start the crawl
immediately to heal those failures as well. If there are no new
failures, then SHD will take the AFR_TA_DOM_MODIFY lock and unsets
the xattrs on TA, so that both the data bricks will be considered
as good there after.
Change-Id: I037b89a0823648f314580ba0716d877bd5ddb1f1
fixes: bz#1579788
Signed-off-by: karthik-us <ksubrahm@redhat.com>
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If both data bricks are up, read subvol will be based on read_subvols.
If only one data brick is up:
- First qeury the data-brick that is up. If it blames the other brick,
allow the reads.
- If if doesn't, query the TA to obtain the source of truth.
TODO: See if in-memory state can be maintained for read txns (BZ 1624358).
updates: bz#1579788
Change-Id: I61eec35592af3a1aaf9f90846d9a358b2e4b2fcc
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
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fixes bz#1615789
Change-Id: I1f42e78fec5ddaf2a425dc4b82c9a20472aa146d
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
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