[Bugs] [Bug 1299712] New: [HC] Implement fallocate, discard and zerofill with sharding

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1299712

            Bug ID: 1299712
           Summary: [HC] Implement fallocate, discard and zerofill with
                    sharding
           Product: GlusterFS
           Version: 3.7.7
         Component: sharding
          Keywords: Triaged
          Severity: high
          Priority: high
          Assignee: bugs at gluster.org
          Reporter: kdhananj at redhat.com
        QA Contact: bugs at gluster.org
                CC: bugs at gluster.org, sabose at redhat.com,
                    sasundar at redhat.com
        Depends On: 1261841
            Blocks: 1277939



+++ This bug was initially created as a clone of Bug #1261841 +++

Description of problem:
-----------------------
fallocate on the sharded volume fails with "transport endpoint not connected" -
ENOTCONN

Version-Release number of selected component (if applicable):
-------------------------------------------------------------
mainline & release-3.7.4

How reproducible:
-----------------
Always

Steps to Reproduce:
-------------------
1. Try fallocate command on the sharded gluster volume

Actual results:
---------------
fallocate failed with "Transport endpoint not connected"

Expected results:
-----------------
fallocate should sucessfully create files

Additional info:
----------------
fallocate will be used by qemu for creating preallocated image files

--- Additional comment from SATHEESARAN on 2015-09-10 05:54:34 EDT ---

[root@ ~]# fallocate -l1MB
/rhev/data-center/mnt/glusterSD/rhs-client10.lab.eng.blr.redhat.com\:vmstore/file1
fallocate:
/rhev/data-center/mnt/glusterSD/rhs-client10.lab.eng.blr.redhat.com:vmstore/sas1:
fallocate failed: Transport endpoint is not connected

I see the following error message in fuse mount logs

"[2015-09-08 16:57:29.796276] I [shard.c:3745:shard_fallocate] 0-vmstore-shard:
fallocate called on 10292366-317e-406a-b45f-a49cec061c46. FOP not implemented.
Failing with ENOTCONN
[2015-09-08 16:57:29.796311] W [fuse-bridge.c:1271:fuse_err_cbk]
0-glusterfs-fuse: 1012095: FALLOCATE() ERR => -1 (Transport endpoint is not
connected)"

--- Additional comment from Vijay Bellur on 2016-01-08 06:00:15 EST ---

REVIEW: http://review.gluster.org/13196 (features/shard: Implement fallocate
FOP) posted (#1) for review on master by Krutika Dhananjay
(kdhananj at redhat.com)

--- Additional comment from Vijay Bellur on 2016-01-08 06:29:31 EST ---

REVIEW: http://review.gluster.org/13196 (features/shard: Implement fallocate
FOP.) posted (#2) for review on master by Krutika Dhananjay
(kdhananj at redhat.com)

--- Additional comment from Vijay Bellur on 2016-01-08 06:29:34 EST ---

REVIEW: http://review.gluster.org/13198 (features/shard: Implement zerofill
FOP) posted (#1) for review on master by Krutika Dhananjay
(kdhananj at redhat.com)

--- Additional comment from Vijay Bellur on 2016-01-13 08:03:15 EST ---

REVIEW: http://review.gluster.org/13196 (features/shard: Implement fallocate
FOP) posted (#3) for review on master by Krutika Dhananjay
(kdhananj at redhat.com)

--- Additional comment from Vijay Bellur on 2016-01-13 08:03:18 EST ---

REVIEW: http://review.gluster.org/13234 (features/shard: Implement zerofill
FOP) posted (#1) for review on master by Krutika Dhananjay
(kdhananj at redhat.com)

--- Additional comment from Vijay Bellur on 2016-01-13 08:03:22 EST ---

REVIEW: http://review.gluster.org/13235 (features/shard: Implement discard FOP)
posted (#1) for review on master by Krutika Dhananjay (kdhananj at redhat.com)

--- Additional comment from Vijay Bellur on 2016-01-18 06:10:24 EST ---

REVIEW: http://review.gluster.org/13196 (features/shard: Implement fallocate
FOP) posted (#4) for review on master by Krutika Dhananjay
(kdhananj at redhat.com)

--- Additional comment from Vijay Bellur on 2016-01-18 06:47:44 EST ---

REVIEW: http://review.gluster.org/13196 (features/shard: Implement fallocate
FOP) posted (#5) for review on master by Krutika Dhananjay
(kdhananj at redhat.com)

--- Additional comment from Vijay Bellur on 2016-01-18 19:18:18 EST ---

COMMIT: http://review.gluster.org/13196 committed in master by Pranith Kumar
Karampuri (pkarampu at redhat.com) 
------
commit c535059299785f7d050482c257f10389c218048b
Author: Krutika Dhananjay <kdhananj at redhat.com>
Date:   Thu Oct 29 17:04:38 2015 +0530

    features/shard: Implement fallocate FOP

    Change-Id: I6f07074e94b115f6c6c2c59a8a1b58ba44b1c12a
    BUG: 1261841
    Signed-off-by: Krutika Dhananjay <kdhananj at redhat.com>
    Reviewed-on: http://review.gluster.org/13196
    Smoke: Gluster Build System <jenkins at build.gluster.com>
    NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
    Reviewed-by: Pranith Kumar Karampuri <pkarampu at redhat.com>
    Tested-by: Pranith Kumar Karampuri <pkarampu at redhat.com>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.com>


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1261841
[Bug 1261841] [HC] Implement fallocate, discard and zerofill with sharding
https://bugzilla.redhat.com/show_bug.cgi?id=1277939
[Bug 1277939] (Gluster-HC-2) [TRACKER] Gluster Hyperconvergence - MVP
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