| Commit message (Collapse) | Author | Age | Files | Lines |
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The volume op-versions are calculated during a volume set/reset, reading a
volume from disk and importing a volume during probe or volume sync. The
calculation of the volume op-version depends on the clusters op-version as some
features are enabled automatically depending on the clusters op-version. We
also don't store the volume op-versions persistently and don't export the
volume op-versions during sync. Due to this, there can occur cases which will
lead to inconsistencies in volumes in different peers. One such case is below,
Consider, a cluster made up 3 peers P1, P2 and P3, operating at op-version N.
The cluster has two volumes V1 and V2, which have volume op-versions N (since
volume op-version cannot be greater than cluster op-version). We have,
Cluster-op-version = N
V1 op-version = N
V2 op-version = N
A set operation on V1 causes the clusters op-version to be bumped up to N+1.
Assume that there exist some features that are automatically enabled on
op-version N+1. The op-version of V2 remains at N as no operation has been
performed on it. So,
Cluster op-version = N+1
V1 op-version = N+1
V2 op-version = N
Now, we probe a new peer P4. On the new peer we will have the following
op-versions,
Cluster op-version = N+1
V1 op-version = N+1
V2 op-version = N+1
This happens because we don't send volume op-versions during the sync after
probe. P4 will freshly calculate the op-version of V2 (assuming features have
been auto enabled due to the cluster op-version being N+1) as N+1.
Another case is when glusterd on a peer restarts. Assume P3 was restarted,
glusterd will recalculate the volume op-versions during the restore state.
Again, op-version of V2 will be calculated as N+1 assuming auto enabled
features. This will lead to inconsistency in the volume representation in
memory and on disk, as glusterd will assume the volume contains auto enabled
features, but the volfiles don't contain them as they were not regenrated.
These kind of issues can be solved by calculating the volume op-version only
when features are enabled and disabled (ie. during volume set/reset),
persisting the volume-op-versions and exporting/importing them.
Change-Id: I52de0668c92628622e85f4588fb28829a7231132
BUG: 1005043
Signed-off-by: Kaushal M <kaushal@redhat.com>
Reviewed-on: http://review.gluster.org/5568
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Confusing "Error" messages in logs can cause user panic
and false positives - avoid them as necessary in future.
Change-Id: I906c64eea879b19a8db099c89d1d7f874e5530db
BUG: 995784
Signed-off-by: Harshavardhana <harsha@harshavardhana.net>
Reviewed-on: http://review.gluster.org/5555
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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Thanks to Patrick Matthäi <pmatthaei@debian.org> for the patch.
Signed-off-by: Vijay Bellur <vbellur@redhat.com>
Change-Id: I59da74298894ccc2ab30967ffe44cc844aa73f82
BUG: 814534
Reviewed-on: http://review.gluster.org/5436
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Tested-by: Anand Avati <avati@redhat.com>
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Making the glusterd_store_* functions re-usable will help with future
changes that need to read/write lists of items.
BUG: 904065
Change-Id: I99fb8eced76d12d5a254567eccff9790b43d8da3
Signed-off-by: Niels de Vos <ndevos@redhat.com>
Reviewed-on: http://review.gluster.org/4676
Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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If the current installation of glusterfs doesn't have a stored
op-version and is,
a. a fresh install, then set op-version to maximum
b. an upgrade from release which didn't have op-version support, set it
to minimum.
The install status is detected using the peer-uuid.
If both peer-uuid and op-version are not present in the store, the
installation is fresh.
If peer-uuid is present, but op-version is absent in the store, the
installation has been upgraded from a version which didn't support
op-versions.
By setting the initial op-version as above, we can ensure that
a. features are not enabled accidentally during upgrades
b. a fresh install starts with all possible features enabled.
Change-Id: I52aed9ebeb5d3823c81e65f739a78a924ecf7e12
BUG: 954256
Signed-off-by: Kaushal M <kaushal@redhat.com>
Reviewed-on: http://review.gluster.org/4867
Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Each volume is now associated with two op-versions,
* op_version - the op-version of the highest op-versioned feature enabled
* client_op_version - the op-version of the highest op-versioned feature
enabled which affects the clients only.
These two op-versions are generated dynamically and kept updated during
runtime. Glusterd now uses the respective volumes' client-op-version during
getspec requests.
To achieve the above a new field in the vme table is introduced,
client_option, this boolean field tells if the option is a client side
option.
Change-Id: I12c83b1dd29ab506026efd50d448cebbcee53c27
BUG: 907311
Signed-off-by: Kaushal M <kaushal@redhat.com>
Reviewed-on: http://review.gluster.org/4584
Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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PROBLEM:
During 'volume delete', when glusterd fails to erase all information
about a volume from the backend store (for instance because rmdir()
failed on non-empty directories), not only does volume delete fail on
that node, but also subsequent attempts to restart glusterd fail
because the volume store is left in an inconsistent state.
FIX:
Rename the volume directory path to a new location
<working-dir>/trash/<volume-id>.deleted, and then go on to clean up its
contents. The volume is considered deleted once rename() succeeds,
irrespective of whether the cleanup succeeds or not.
Change-Id: Iaf18e1684f0b101808bd5e1cd53a5d55790541a8
BUG: 889630
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: http://review.gluster.org/4639
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Reviewed-by: Kaushal M <kaushal@redhat.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Change-Id: Ie2259023b9001311a2032792639c3093054f6750
BUG: 896431
Signed-off-by: Avra Sengupta <asengupt@redhat.com>
Reviewed-on: http://review.gluster.org/4552
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Making log changes involving two commands as they both share sections
of code (like the part where the volume metadata is cleaned up in vol
delete in case of success; and in vol create in case of failure).
* Most of the changes are of the 's/THIS/this' kind.
* Changed some of the log messages to give as much information as
available in case of failure.
* Changed log levels in some of the log messages.
Change-Id: I10242511fe9400a07ab04717464d748d9172dd85
BUG: 812356
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: http://review.gluster.org/4462
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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This patch makes log changes mostly in the op state machine as also
in volume stop codepath of glusterd.
Changes made:
* Moved log level from INFO to DEBUG, of log messages on the various
state transitions within a transaction.
For example, messages of the following kind:
a. "Sent op req to <n> peers"
b. "Received LOCK from uuid: <peer-uuid>", etc.
* Changed some of the log messages to give as much information as
available in case of failure.
* Added logs to identify on which machine lock/stage/commit failed.
* Quite a few s/THIS/this changes.
Also, with this change, log changes in all other volume ops
should (hopefully) boil down to modifying the respective logs in
handler, stage and commit (and brick ops in some cases).
Change-Id: I2b8443042b07fb41a1d12033741f7e156aa6b3da
BUG: 812356
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: http://review.gluster.org/4382
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Kaushal M <kaushal@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: I1f65743a31d95013fdf22cded91c314e9934a3a9
BUG: 816915
Signed-off-by: Krishnan Parthasarathi <kp@gluster.com>
Reviewed-on: http://review.gluster.org/3275
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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This patch introduces task-id's for async tasks like rebalance, remove-brick and
replace-brick. An id is generated for each task when it is started and displayed
to the user in cli output. The status of running tasks is also included in the
output of "volume status" along with its id, so that a user can easily track the
progress of an async task.
Also,
* added tests for this feature into the regression test suite.
* added a python script for creating files, 'create-files.py', courtesy
Vijaykumar Koppad (vkoppad@redhat.com) into the test suite.
This patch reverts the revert commit 698deb33d731df6de84da8ae8ee4045e1543a168.
BUG: 857330
Change-Id: Id43d7cb629a38f47f733fbc18cb4c5f2f0327c7a
Signed-off-by: Kaushal M <kaushal@redhat.com>
Reviewed-on: http://review.gluster.org/4294
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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This reverts commit ed15521d4e5af2b52b78fd33711e7562f5273bc6
Strangely, the test scripts are "silently" passing for failures too. Reverting patch for now.
Change-Id: I802ec1634c7863dc373cc7dc4a47bd4baa72764e
Reviewed-on: http://review.gluster.org/4267
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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This patch introduces task-id's for async tasks like rebalance, remove-brick and
replace-brick. An id is generated for each task when it is started and displayed
to the user in cli output. The status of running tasks is also included in the
output of "volume status" along with its id, so that a user can easily track the
progress of an async task.
Also,
* added tests for this feature into the regression test suite.
* added a python script for creating files, 'create-files.py', courtesy
Vijaykumar Koppad (vkoppad@redhat.com) into the test suite.
Change-Id: Ib0c0d12e0d6c8f72ace48d303d7ff3102157e876
BUG: 857330
Signed-off-by: Kaushal M <kaushal@redhat.com>
Reviewed-on: http://review.gluster.org/3942
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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A new parameter type is added to volume create command. To use BD xlator
one has to specify following argument in addition to normal volume
create
device vg brick:<VG-NAME>
for example,
$ gluster volume create lv_volume device vg host:/vg1
Changes from previous version
* New type 'backend' added to volinfo structure to differentiate between
posix and bd xlator
* Most of the volume related commands are updated to handle BD xlator,
like add-brick, heal-brick etc refuse to work when volume is BD xlator
type
* Only one VG (ie brick) can be specified for BD xlator during volume
creation
* volume info shows VG info if its of type BD xlator
BUG: 805138
Change-Id: I0ff90aca04840c71f364fabb0ab43ce33f9278ce
Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Reviewed-on: http://review.gluster.org/3717
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Tested-by: Vijay Bellur <vbellur@redhat.com>
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Feature-page:
http://www.gluster.org/community/documentation/index.php/Features/Server-quorum
Change-Id: I747b222519e71022462343d2c1bcd3626e1f9c86
BUG: 839595
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.org/3811
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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Brings in a new rpc program MGMT_HANDSHAKE, which implements the op-version
handshake. This is required for bringing in the op-version feature as described
in http://www.gluster.org/community/documentation/index.php/Features/Opversion
Change-Id: I4333fd2714dbbd3a2a3fca5862cbb3c56615529e
BUG: 814534
Signed-off-by: Kaushal M <kaushal@redhat.com>
Reviewed-on: http://review.gluster.org/3688
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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License message changed for server-side, dual license GPLV2 and LGPLv3+.
Change-Id: Ia9e53061b9d2df3b3ef3bc9778dceff77db46a09
BUG: 852318
Signed-off-by: Varun Shastry <vshastry@redhat.com>
Reviewed-on: http://review.gluster.org/3940
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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* ie, don't dereference dict_t pointer, instead use APIs everywhere
* other than dict_t only 'data_t' should be the valid export from dict.h
* added 'dict_foreach_fnmatch()' API
* changed dict_lookup() to use data_t, instead of data_pair_t
Change-Id: I400bb0dd55519a7c5d2a107e67c8e7a7207228dc
Signed-off-by: Amar Tumballi <amarts@redhat.com>
BUG: 850917
Reviewed-on: http://review.gluster.org/3829
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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The license message is changed to
Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
Change-Id: I07d2b63ed5fbbbd1884f1e74f2dd56013d15b0f4
BUG: 852318
Signed-off-by: Varun Shastry <vshastry@redhat.com>
Reviewed-on: http://review.gluster.org/3858
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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- Fixed validation of user.* keys in presence of multiple key, value
pairs in a single volume set command
Change-Id: I5b96de2d009fbc79772121308d9b4c0a552bac52
BUG: 825902
Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.com/3715
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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- Opened temporary file(s) with O_SYNC flag to avoid explicit fsync'ing.
- Sync'd directory entry after creation and rename of 'store' files.
- Thanks to Jeff Moyer's article on http://lwn.net/Articles/457667/
Change-Id: I68a8672dc6a0b24d128de53f3b60c74dd08d8ab8
BUG: 765434
Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.com/3726
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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This patch modifies the existing brickinfo function signatures
and/or names to do one thing right and call them by 'appropriate' names.
- Decoupled brickinfo_get and is_brickpath_available
- Removed dead comment about realpath(3) in canonicalize_path
- Renamed glusterd_brickinfo_from_brick to glusterd_brickinfo_new_from_brick
to make the name of the function reflect that an allocation is happening
Change-Id: I29daba6d431ca799d43c927b9dfbaeda327e83e8
BUG: 764890
Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.com/3668
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
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All 'updates' to store are done in their respective tmp files and a rename to
their original copies is done in one pass. Failure to write or rename
successfully, promptly reduces the store's revision no., giving us an
opportunity to 'correct' it via peer 'detach-attach' operations, if need
be.
Change-Id: I44a33c41cb4d3d1cfbb455bc1f2f074d4f17dade
BUG: 765434
Signed-off-by: Krishnan Parthasarathi <kp@gluster.com>
Reviewed-on: http://review.gluster.com/654
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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See comments in http://bugzilla.redhat.com/839925 for
the code to perform this change.
Signed-off-by: Jim Meyering <meyering@redhat.com>
BUG: 839925
Change-Id: I10e4ecff16c3749fe17c2831c516737e08a3205a
Reviewed-on: http://review.gluster.com/3661
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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[in glusterd_store_is_valid_brickpath]
When strlen(volname) is no smaller than sizeof(volinfo->volname),
volinfo->volname would end up not being NUL-terminated.
Then, a use of that buffer that expects it to be NUL-terminated
(i.e., glusterd_store_brickinfopath_set's GLUSTERD_GET_BRICK_DIR)
will access beyond the end of the buffer.
Instead, diagnose the too-long volume name and fail.
Change-Id: I655d8638547bf342d33280c14ff1edacc3cdeb5a
BUG: 789278
Signed-off-by: Jim Meyering <meyering@redhat.com>
Reviewed-on: http://review.gluster.com/3591
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Assume that this use of strncpy is not spurious (i.e., that it does
sometimes truncate), and ensure that the result is NUL-terminated.
Otherwise, callers that treat ->filepath as a NUL-terminated
string could operate on a bogus file name and/or segfault.
Change-Id: I276bf8a4da330284cc0300e8da7113a48b9b9b37
BUG: 789278
Signed-off-by: Jim Meyering <meyering@redhat.com>
Reviewed-on: http://review.gluster.com/3590
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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There are a number of nit-level issues throughout the source with
the use of localtime and ctime. While they apparently aren't causing
too many problems, apart from the one in bz 828058, they ought to be
fixed. Among the "real" problems that are fixed in this patch:
1) general localtime and ctime not MT-SAFE. There's a non-zero chance
that another thread calling localtime (or ctime) will over-write
the static data about to be used in another thread
2) localtime(& <64-bit-type>) or ctime(& <64-bit-type>) generally
not a problem on 64-bit or little-endian 32-bit. But even though
we probably have zero users on big-ending 32-bit platforms, it's
still incorrect.
3) multiple nested calls passed as params. Last one wins, i.e. over-
writes result of prior calls.
4) Inconsistent error handling. Most of these calls are for logging,
tracing, or dumping. I submit that if an error somehow occurs in
the call to localtime or ctime, the log/trace/dump still should
still occur.
5) Appliances should all have their clocks set to UTC, and all log
entries, traces, and dumps should use GMT.
6) fix strtok(), change to strtok_r()
Other things this patch fixes/changes (that aren't bugs per se):
1) Change "%Y-%m-%d %H:%M:%S" and similar to their equivalent shorthand,
e.g. "%F %T"
2) change sizeof(timestr) to sizeof timestr. sizeof is an operator,
not a function. You don't use i +(32), why use sizeof(<var>).
(And yes, you do use parens with sizeof(<type>).)
3) change 'char timestr[256]' to 'char timestr[32]' where appropriate.
Per-thread stack is limited. Time strings are never longer than ~20
characters, so why waste 220+ bytes on the stack?
Things this patch doesn't fix:
1) hodgepodge of %Y-%m-%d %H:%M:%S versus %Y/%m/%d-%H%M%S and other
variations. It's not clear to me whether this ever matters, not to
mention 3rd party log filtering tools may already rely on a
particular format. Still it would be nice to have a single manifest
constant and have every call to localtime/strftime consistently use
the same format.
Change-Id: I827cad7bf53e57b69c0173f67abe72884249c1a9
BUG: 832173
Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
Reviewed-on: http://review.gluster.com/3568
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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* This is how the lazy uuid generation leads to infinite loop of function calls.
MY_UUID -> glusterd_uuid_init -> glusterd_retrieve_uuid -> MY_UUID
* Also while starting glusterd if valgrind option is not given in the volfile,
then reset the ret variable to 0.
Change-Id: Ief719f436d8a264a591ee6aefc6da3c0f6c75e8f
BUG: 811493
Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com>
Reviewed-on: http://review.gluster.com/3564
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pranithk@gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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A commonly faced problem among glusterfs users is: after a fresh
installation of glusterfs in a virtual machine, the VM image is
cloned to make multiple instances of the server. This breaks
glusterd because right after glusterfs installation on the first
boot glusterd would have created the node UUID and this gets
inherited into the clone. The result is wierd behavior at the time
of peer probe where glusterd does not (yet) deal with UUID
collisions in a user friendly way.
This patch is for the 'prevention' of the issue. The approach here
is to avoid generating a UUID on the first start of glusterd, but
instead generate a node UUID only when a node UUID is found to be
necessary. This naturally avoids the creation of node UUID on first
boot and prevents the issue to a large extent.
This issue also needs a 'cure' patch, which gives more meaningful
error messages to the user and provides CLI to recover from the
situations (gluster peer reset?)
Change-Id: Ieaaeeaf76ed35385844e98a8e23fc3dd8df5a208
BUG: 811493
Signed-off-by: Anand Avati <avati@redhat.com>
Reviewed-on: http://review.gluster.com/3533
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
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RFC 6335
Change-Id: Iafbba70d24db95807ae73d27c96288d18d7232e5
Signed-off-by: Amar Tumballi <amar@gluster.com>
BUG: 824233
Reviewed-on: http://review.gluster.com/3339
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Hence forth, all node related info, which does not need chksum or
versioning can be stored in this file. This data might not be in
sync across nodes, as it contains only information related to
local node.
Change-Id: I88a48c1b7bb7b4c29625550a9ff349442bcc5d09
BUG: 812234
Signed-off-by: shishir gowda <shishirng@gluster.com>
Reviewed-on: http://review.gluster.com/3141
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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this is not a complete set of issues getting fixed. Will
address other issues in another patch.
Change-Id: Ib01c7b11b205078cc4d0b3f11610751e32d14b69
Signed-off-by: Amar Tumballi <amarts@redhat.com>
BUG: 789278
Reviewed-on: http://review.gluster.com/3145
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
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Change-Id: Ia7c0e37154414bddb05516e11b3cc4e6ae83ff38
BUG: 806996
Signed-off-by: Krishnan Parthasarathi <kp@gluster.com>
Reviewed-on: http://review.gluster.com/3142
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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Directories to hold the scripts mentioned above would be created for each
gluster command under glusterd's 'working dir' as follows:
(eg.)
<glusterd-working-dir>/hooks/version/create/pre
<glusterd-working-dir>/hooks/version/create/post
where, version corresponds to the version of hook scripts.
The scripts beginning with 'S' under the above directories would be run before
(pre) and after (post) the volume created. The scripts would receive a command
line argument as below:
--volname=<volname>
This can be optionally used by the script.
Change-Id: Ia81b4ff9dd4477d99dd59b39c805aa645521edb0
BUG: 806996
Signed-off-by: Krishnan Parthasarathi <kp@gluster.com>
Reviewed-on: http://review.gluster.com/3010
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Csaba Henk <csaba@redhat.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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this is need for the vdsm gluster plugin, changing
glusterd.info file's permission to 644 from 600.
Change-Id: I9de39f1b8b31a6c2f448e2ff6601eb270d042343
BUG: 802217
Signed-off-by: Rajesh Amaravathi <rajesh@redhat.com>
Reviewed-on: http://review.gluster.com/2940
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Raghavendra Bhat <raghavendrabhat@gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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volumes created with GlusterFS 3.2.x will be compatible
with GlusterFS 3.3 w.r.t auth.allow enhancements
Change-Id: I615e46d648e1270a7b856cd71fab24cfe791ddb8
BUG: 795634
Signed-off-by: Rajesh Amaravathi <rajesh@redhat.com>
Reviewed-on: http://review.gluster.com/2779
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Krishnan Parthasarathi <kp@gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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* PROBLEM:
When address-based authentication is enabled on a volume,
the gNfs server, self-heal daemon (shd), and other operations
such as quota, rebalance, replace-brick and geo-replication
either stop working or the services are not started if all
the peers' ipv{4,6} addresses or hostnames are not added in
the "set auth.allow" operation, breaking the functionality
of several operations.
E.g:
volume vol in a cluster of two peers:
/mnt/brick1 in 192.168.1.4
/mnt/brick2 in 192.168.1.5
option auth.allow 192.168.1.6
(allow connection requests only from 192.168.1.6)
This will disrupt the nfs servers on 192.168.1.{4,5}.
brick server processes reject connection requests from both
nfs servers (on 4,5), because the peer addresses are not in
the auth.allow list.
Same holds true for local mounts (on peer machines),
self-heal daemon, and other operations which perform
a glusterfs mount on one of the peers.
* SOLUTION:
Login-based authentication (username/password pairs,
henceforth referred to as "keys") for gluster services and
operations.
These *per-volume* keys can be used to by-pass the addr-based
authentication, provided none of the peers' addresses are put
in the auth.reject list, to enable gluster services like gNfs,
self-heal daemon and internal operations on volumes when
auth.allow option is exercised.
* IMPLEMENTATION:
1. Glusterd generates keys for each volume and stores it in
memory as well as in respective volfiles.
A new TRUSTED-FUSE volfile is generated which is
fuse volfile + keys in protocol/client,
and is named trusted-<volname>-fuse.vol.
This is used by all local mounts. ANY local mount (on any peer)
is granted the trusted-fuse volfile instead of fuse volfile
via getspec. non-local mounts are NOT granted the trusted fuse
volfile.
2. The keys generated for the volume is written to each server
volfile telling servers to allow users with these keys.
3. NFS, self-heal daemon and replace-brick volfiles are updated
with the volume's authentication keys.
4. The keys are NOT written to fuse volfiles for obvious reasons.
5. The ownership of volfiles and logfiles is restricted to root users.
6. Merging two identical definitions of peer_info_t in auth/addr
and rpc-lib, throwing away the one in auth/addr.
7. Code cleanup in numerous places as appropriate.
* IMPORTANT NOTES:
1. One SHOULD NOT put any of the peer addresses in the auth.reject
list if one wants any of the glusterd services and features
such as gNfs, self-heal, rebalance, geo-rep and quota.
2. If one wants to use username/password based authentication
to volumes, one shall append to the server, nfs and shd volfiles,
the keys one wants to use for authentication, *while_retaining
those_generated_by_glusterd*.
See doc/authentication.txt file for details.
Change-Id: Ie0331d625ad000d63090e2d622fe1728fbfcc453
BUG: 789942
Signed-off-by: Rajesh Amaravathi <rajesh@redhat.com>
Reviewed-on: http://review.gluster.com/2733
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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rebalance will not use any maintainance clients. It is replaced by syncops,
with the volfile. Brickop (communication between glusterd<->glusterfs process)
is used for status and stop commands.
Dept-first traversal of dir is maintained, but data is migrated as and when
encounterd.
fix-layout (dir)
do
Complete migrate-data of dir
fix-layout (subdir)
done
Rebalance state is saved in the vol file, for restart-ability.
A disconnect event and pidfile state determine the defrag-status
Signed-off-by: shishirng <shishirng@gluster.com>
Change-Id: Iec6c80c84bbb2142d840242c28db3d5f5be94d01
BUG: 763844
Reviewed-on: http://review.gluster.com/2540
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
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Cleaned up peerinfo/rpc association.
Change-Id: I11bcaa3ea1f2b86c6b4e235873a60bb5bf76a892
BUG: 786006
Signed-off-by: Krishnan Parthasarathi <kp@gluster.com>
Reviewed-on: http://review.gluster.com/2725
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
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Change-Id: Idd9cb9d05122750ac78410b8f5a080104d6c1e0a
BUG: 3685
Reviewed-on: http://review.gluster.com/554
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amar@gluster.com>
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earlier, sub_count was having different meaning depending on the
volume type.
now, for replica and stripe count, one can directly access the
'replica_count' or 'stripe_count' to get the corresponding
value from the volume info. 'sub_count' is preserved as is for backward
compatibility. there is a new variable 'dist_leaf_count' to get
info about how many bricks are present in one distribute sub volume.
Change-Id: I5ea1c8f9ae08f584cca63b91ba69035c7e4350ca
BUG: 3158
Reviewed-on: http://review.gluster.com/435
Reviewed-by: Krishnan Parthasarathi <kp@gluster.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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to achieve this, we now create volume-file with
'decommissioned-nodes' option in distribute volume, then just
perform the rebalance set of operations (with 'force' flag set).
now onwards, the 'remove-brick' (with 'start' option) operation tries
to migrate data from removed bricks to existing bricks.
'remove-brick' also supports similar options as of replace-brick.
* (no options) -> works as 'force', will have the current behavior
of remove-brick, ie., no data-migration, volume changes.
* start (starts remove-brick with data-migration/draining process,
which takes care of migrating data and once complete, will
commit the changes to volume file)
* pause (stop data migration, but keep the volume file intact with
extra options whatever is set)
* abort (stop data-migration, and fall back to old configuration)
* commit (if volume is stopped, commits the changes to volumefile)
* force (stops the data-migration and commits the changes to
volume file)
Change-Id: I3952bcfbe604a0952e68b6accace7014d5e401d3
BUG: 1952
Reviewed-on: http://review.gluster.com/118
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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Earlier:
step 1: copy the existing <xdr>.x files to /tmp
step 2: generate '.[ch]' files using 'rpcgen <xdr>.x'
step 3: check diff with the to the existing files, add only your part
of changes back to the original file. (ignore other changes).
step 4: there is another file to write wrapper functions to convert
structures to/from XDR buffers, update it with your new structure.
step 5: use these wrapper functions in the newly written procedures.
step 6: commit :-|
Now:
step 1: update (mostly adding only) the <xdr>.x file
step 2: run '<path-to-src>/extras/generate-xdr-files.sh <xdr>.x' command
step 3: implement rpc procedure to handle the request/response.
step 4: commit :-)
Change-Id: I219f9159fc980438c86e847c6b030be96e595ea2
BUG: 3488
Reviewed-on: http://review.gluster.com/341
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@gluster.com>
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Change-Id: Ia2d89fd919b077232a37debc2aebe1bc72150856
BUG: 3432
Reviewed-on: http://review.gluster.com/285
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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Change-Id: I2d10f2be44f518f496427f257988f1858e888084
BUG: 3348
Reviewed-on: http://review.gluster.com/200
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@gluster.com>
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Change-Id: I3914467611e573cccee0d22df93920cf1b2eb79f
BUG: 3348
Reviewed-on: http://review.gluster.com/182
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@gluster.com>
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string.
Change-Id: I06173a4cf22e12bc543f8ff2d151078333b500e1
BUG: 3154
Reviewed-on: http://review.gluster.com/8
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pavan T C <tcp@gluster.com>
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This change ensures that glusterd retains 'state' information
of an ongoing replace brick operation even if it went down midway.
Change-Id: I697c2f27a96b3200c7865bd1d3a1de9692ce0da1
BUG: 3252
Reviewed-on: http://review.gluster.com/6
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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also fix the glusterd-store to preserve the required information
Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>
BUG: 3040 (need a way to create volumes with 'stripe+replicate' setup..)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3040
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