| Commit message (Collapse) | Author | Age | Files | Lines |
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When subvols-per-directory option is used, with bricks addition/removal
the layouts might get distributed to other subvols, which were not part
of the layout before. We need to clean up layouts on old subvolumes, to
prevent overlaps.
Also, we need to make sure if layout-cnt is never less
than subvolume-cnt.
Change-Id: I00994a092ca0c99aedcc41bd9412d43460f88a04
BUG: 884455
Signed-off-by: shishir gowda <sgowda@redhat.com>
Reviewed-on: http://review.gluster.org/4281
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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If any subvolume is down, and a layout is re-written and hash
values change, entry names in the downed subvol can be reused
in the other subvol which got the same hash range. when the
downed subvol is brought back up, duplicate entried might appear
Also separated handling of ENOSPC and ENOTCONN error.
Change-Id: I5ed93990425a4cee70df2dab7c7c119fdc87ad56
BUG: 860663
Signed-off-by: shishir gowda <sgowda@redhat.com>
Reviewed-on: http://review.gluster.org/4000
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Identify mismatching uid/gid in lookup, and trigger a syncop
heal. uid/gid of subvol with latest ctime is trusted (local->prebuf).
Change-Id: Ib5c4bc438e7f4b1f33080e73593f40f400e997f0
BUG: 862967
Signed-off-by: shishir gowda <sgowda@redhat.com>
Reviewed-on: http://review.gluster.org/3964
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: Ia7ea63471f0bbd74686873f5f6f183475880f1a0
BUG: 839595
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.org/4162
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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save the a/c/mtime in inode_ctx, and dht_inode_ctx_update
checks the passed iatte, and updates the stat's time,
and inode_ctx's time accordingly. For preparent times, only
the iatt stat to be returned is updated, not the ctx.
With this, update, WIPE is removed, as we would always be passing
back the latest mtime, and hence cache times will be relevant.
TODO-handle rename WIPE calls
Change-Id: I8e4c738cd830f3fafeef789c9181f9c242ac96a2
BUG: 857791
Signed-off-by: shishir gowda <sgowda@redhat.com>
Reviewed-on: http://review.gluster.org/3737
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Bring in option which is supported by posix xlator
to filter out directory's entries from being returned.
DHT would now request non-first subvols to filter out
directory entries.
dht xlator-option readdir-optimize will enable this
optimization
Change-Id: I35224bc81c9657f54f952efac02790276c35ded5
BUG: 838199
Signed-off-by: shishir gowda <sgowda@redhat.com>
Reviewed-on: http://review.gluster.com/3772
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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The new type is DHT_HASH_TYPE_DM_USER=1 (on disk in network byte order) and
we treat it the same as DHT_HASH_TYPE_DM except that we don't stomp on it
during rebalance.
Change-Id: I893571a9b89577acdea2fe868915b18d3663fd77
BUG: 807312
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-on: http://review.gluster.com/3004
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Added run-time value field to cli output of rebalance/remove-brick.
A new cluster/distribute boolean option rebalance-stats when set to
ON, time taken for migration of each file is logged.
With rebalance-stats OFF (default), rebalance logs will only have
entries showing time spent in each directory.
Change-Id: I02a8918621120068cd71ffaf2999d30b3a2d10a2
BUG: 821987
Signed-off-by: shishir gowda <shishirng@gluster.com>
Reviewed-on: http://review.gluster.com/3303
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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creating a local synctask_env can lead to creating of many more
syncop threads than required. The current syncop logic can handle
the scale-up/scale-down of threads depending on the load. Hence,
its neater to use global synctask env.
Change-Id: Id46f963a0190c0154513317ae03323db155ac15a
Signed-off-by: Amar Tumballi <amarts@redhat.com>
BUG: 823774
Reviewed-on: http://review.gluster.com/3412
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Note that the license was not changed in any of the following:
.../argp-standalone/...
.../booster/...
.../cli/...
.../contrib/...
.../extras/...
.../glusterfsd/...
.../glusterfs-hadoop/...
.../mod_clusterfs/...
.../scheduler/...
.../swift/...
The license was not changed in any of the non-building xlators. The
license was not changed in any of the xlators that seemed — to me — to
be clearly server-side only, e.g. protocol/server
Note too that copyright was changed along with the license; I did
not change the copyright in files where the license did not change.
If you find any errors or ommissions please don't hesitate to let me know.
The complete list of files with the license change is:
libglusterfs/src/byte-order.h
libglusterfs/src/call-stub.c
libglusterfs/src/call-stub.h
libglusterfs/src/checksum.c
libglusterfs/src/checksum.h
libglusterfs/src/circ-buff.c
libglusterfs/src/circ-buff.h
libglusterfs/src/common-utils.c
libglusterfs/src/common-utils.h
libglusterfs/src/compat-errno.c
libglusterfs/src/compat-errno.h
libglusterfs/src/compat.c
libglusterfs/src/compat.h
libglusterfs/src/daemon.c
libglusterfs/src/daemon.h
libglusterfs/src/defaults.c
libglusterfs/src/defaults.h
libglusterfs/src/dict.c
libglusterfs/src/dict.h
libglusterfs/src/event-history.c
libglusterfs/src/event-history.h
libglusterfs/src/event.c
libglusterfs/src/event.h
libglusterfs/src/fd-lk.c
libglusterfs/src/fd-lk.h
libglusterfs/src/fd.c
libglusterfs/src/fd.h
libglusterfs/src/gf-dirent.c
libglusterfs/src/gf-dirent.h
libglusterfs/src/globals.c
libglusterfs/src/globals.h
libglusterfs/src/glusterfs.h
libglusterfs/src/graph-print.c
libglusterfs/src/graph-utils.h
libglusterfs/src/graph.c
libglusterfs/src/hashfn.c
libglusterfs/src/hashfn.h
libglusterfs/src/iatt.h
libglusterfs/src/inode.c
libglusterfs/src/inode.h
libglusterfs/src/iobuf.c
libglusterfs/src/iobuf.h
libglusterfs/src/latency.c
libglusterfs/src/latency.h
libglusterfs/src/list.h
libglusterfs/src/lkowner.h
libglusterfs/src/locking.h
libglusterfs/src/logging.c
libglusterfs/src/logging.h
libglusterfs/src/mem-pool.c
libglusterfs/src/mem-pool.h
libglusterfs/src/mem-types.h
libglusterfs/src/options.c
libglusterfs/src/options.h
libglusterfs/src/rbthash.c
libglusterfs/src/rbthash.h
libglusterfs/src/run.c
libglusterfs/src/run.h
libglusterfs/src/scheduler.c
libglusterfs/src/scheduler.h
libglusterfs/src/stack.c
libglusterfs/src/stack.h
libglusterfs/src/statedump.c
libglusterfs/src/statedump.h
libglusterfs/src/syncop.c
libglusterfs/src/syncop.h
libglusterfs/src/syscall.c
libglusterfs/src/syscall.h
libglusterfs/src/timer.c
libglusterfs/src/timer.h
libglusterfs/src/trie.c
libglusterfs/src/trie.h
libglusterfs/src/xlator.c
libglusterfs/src/xlator.h
libglusterfsclient/src/libglusterfsclient-dentry.c
libglusterfsclient/src/libglusterfsclient-internals.h
libglusterfsclient/src/libglusterfsclient.c
libglusterfsclient/src/libglusterfsclient.h
rpc/rpc-lib/src/auth-glusterfs.c
rpc/rpc-lib/src/auth-null.c
rpc/rpc-lib/src/auth-unix.c
rpc/rpc-lib/src/protocol-common.h
rpc/rpc-lib/src/rpc-clnt.c
rpc/rpc-lib/src/rpc-clnt.h
rpc/rpc-lib/src/rpc-transport.c
rpc/rpc-lib/src/rpc-transport.h
rpc/rpc-lib/src/rpcsvc-auth.c
rpc/rpc-lib/src/rpcsvc-common.h
rpc/rpc-lib/src/rpcsvc.c
rpc/rpc-lib/src/rpcsvc.h
rpc/rpc-lib/src/xdr-common.h
rpc/rpc-lib/src/xdr-rpc.c
rpc/rpc-lib/src/xdr-rpc.h
rpc/rpc-lib/src/xdr-rpcclnt.c
rpc/rpc-lib/src/xdr-rpcclnt.h
rpc/rpc-transport/rdma/src/name.c
rpc/rpc-transport/rdma/src/name.h
rpc/rpc-transport/rdma/src/rdma.c
rpc/rpc-transport/rdma/src/rdma.h
rpc/rpc-transport/socket/src/name.c
rpc/rpc-transport/socket/src/name.h
rpc/rpc-transport/socket/src/socket.c
rpc/rpc-transport/socket/src/socket.h
xlators/cluster/afr/src/afr-common.c
xlators/cluster/afr/src/afr-dir-read.c
xlators/cluster/afr/src/afr-dir-read.h
xlators/cluster/afr/src/afr-dir-write.c
xlators/cluster/afr/src/afr-dir-write.h
xlators/cluster/afr/src/afr-inode-read.c
xlators/cluster/afr/src/afr-inode-read.h
xlators/cluster/afr/src/afr-inode-write.c
xlators/cluster/afr/src/afr-inode-write.h
xlators/cluster/afr/src/afr-lk-common.c
xlators/cluster/afr/src/afr-mem-types.h
xlators/cluster/afr/src/afr-open.c
xlators/cluster/afr/src/afr-self-heal-algorithm.c
xlators/cluster/afr/src/afr-self-heal-algorithm.h
xlators/cluster/afr/src/afr-self-heal-common.c
xlators/cluster/afr/src/afr-self-heal-common.h
xlators/cluster/afr/src/afr-self-heal-data.c
xlators/cluster/afr/src/afr-self-heal-entry.c
xlators/cluster/afr/src/afr-self-heal-metadata.c
xlators/cluster/afr/src/afr-self-heal.h
xlators/cluster/afr/src/afr-self-heald.c
xlators/cluster/afr/src/afr-self-heald.h
xlators/cluster/afr/src/afr-transaction.c
xlators/cluster/afr/src/afr-transaction.h
xlators/cluster/afr/src/afr.c
xlators/cluster/afr/src/afr.h
xlators/cluster/afr/src/pump.c
xlators/cluster/afr/src/pump.h
xlators/cluster/dht/src/dht-common.c
xlators/cluster/dht/src/dht-common.h
xlators/cluster/dht/src/dht-diskusage.c
xlators/cluster/dht/src/dht-hashfn.c
xlators/cluster/dht/src/dht-helper.c
xlators/cluster/dht/src/dht-inode-read.c
xlators/cluster/dht/src/dht-inode-write.c
xlators/cluster/dht/src/dht-layout.c
xlators/cluster/dht/src/dht-linkfile.c
xlators/cluster/dht/src/dht-mem-types.h
xlators/cluster/dht/src/dht-rebalance.c
xlators/cluster/dht/src/dht-rename.c
xlators/cluster/dht/src/dht-selfheal.c
xlators/cluster/dht/src/dht.c
xlators/cluster/dht/src/nufa.c
xlators/cluster/dht/src/switch.c
xlators/cluster/stripe/src/stripe-helpers.c
xlators/cluster/stripe/src/stripe-mem-types.h
xlators/cluster/stripe/src/stripe.c
xlators/cluster/stripe/src/stripe.h
xlators/features/index/src/index-mem-types.h ¹
xlators/features/index/src/index.c ¹
xlators/features/index/src/index.h ¹
xlators/performance/io-cache/src/io-cache.c
xlators/performance/io-cache/src/io-cache.h
xlators/performance/io-cache/src/ioc-inode.c
xlators/performance/io-cache/src/ioc-mem-types.h
xlators/performance/io-cache/src/page.c
xlators/performance/io-threads/src/io-threads.c
xlators/performance/io-threads/src/io-threads.h
xlators/performance/io-threads/src/iot-mem-types.h
xlators/performance/md-cache/src/md-cache-mem-types.h
xlators/performance/md-cache/src/md-cache.c
xlators/performance/quick-read/src/quick-read-mem-types.h
xlators/performance/quick-read/src/quick-read.c
xlators/performance/quick-read/src/quick-read.h
xlators/performance/read-ahead/src/page.c
xlators/performance/read-ahead/src/read-ahead-mem-types.h
xlators/performance/read-ahead/src/read-ahead.c
xlators/performance/read-ahead/src/read-ahead.h
xlators/performance/symlink-cache/src/symlink-cache.c
xlators/performance/write-behind/src/write-behind-mem-types.h
xlators/performance/write-behind/src/write-behind.c
xlators/protocol/auth/addr/src/addr.c ¹
xlators/protocol/auth/login/src/login.c ¹
xlators/protocol/client/src/client-callback.c
xlators/protocol/client/src/client-handshake.c
xlators/protocol/client/src/client-helpers.c
xlators/protocol/client/src/client-lk.c
xlators/protocol/client/src/client-mem-types.h
xlators/protocol/client/src/client.c
xlators/protocol/client/src/client.h
xlators/protocol/client/src/client3_1-fops.c
¹ Copyright only, license reverted to original
Change-Id: If560e826c61b6b26f8b9af7bed6e4bcbaeba31a8
BUG: 820551
Signed-off-by: Kaleb KEITHLEY <kkeithle@redhat.com>
Reviewed-on: http://review.gluster.com/3304
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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Change-Id: Ib2f8be2c98eae1b4df5d2090c1f1eec8ab264a35
BUG: 811923
Signed-off-by: shishir gowda <shishirng@gluster.com>
Reviewed-on: http://review.gluster.com/3135
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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with this change, the xlator APIs will have a dictionary as extra
argument, which is passed between all the layers. This can be
utilized for overloading in some of the operations.
Change-Id: I58a8186b3ef647650280e63f3e5e9b9de7827b40
Signed-off-by: Amar Tumballi <amarts@redhat.com>
BUG: 782265
Reviewed-on: http://review.gluster.com/2960
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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This patch, enables rebalance processes to be started on all
nodes where the volume is spread across (1 process per node)
node-uuid xattr identifies which node takes ownership of the
task to migrate the file. The model employed is push (src pushes
to dst)
Change-Id: Ieacd46a6216cf6ded841bbaebd10cfaea51c16d6
BUG: 763844
Signed-off-by: shishirng <shishirng@gluster.com>
Reviewed-on: http://review.gluster.com/2873
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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Request for trusted.glusterfs.node-uuid returns pathinfo
like string but containing the UUID of glusterd instead
of the backend path for the requested file. This info
is benificial for tasks like parallel rebalance that will
make use of the UUID for data locality.
Change-Id: I766a09cc4a5f63aebd11c73107924a1b29242dcf
BUG: 772610
Signed-off-by: Venky Shankar <vshankar@redhat.com>
Reviewed-on: http://review.gluster.com/2614
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Shishir Gowda <shishirng@gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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earlier we were using 'check_is_linkfile_wo_dict()' for readdirp_cbk(),
which is no more required now.
Change-Id: I52295e08f8c494b7a081cfc684164a7f72562d0d
Signed-off-by: Amar Tumballi <amar@gluster.com>
BUG: 794641
Reviewed-on: http://review.gluster.com/2763
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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The support for hardlink rebalance is only available for decommissioning
of a node. this can be triggered in two ways
1. remove-brick start
2. if decommission node value is set in vol file, then a normal rebalance
command
The way we handle it is-
if (nlink > 1)
do
* if src file doesnt have linkto xattr
* mark src's linkto to the dst
* else
* perform a link on the dst
* do a look up
* if nlinks = dst.nlinks
* migrate data
* else
* continue crawling
done
Signed-off-by: shishir gowda <shishirng@gluster.com>
Change-Id: If43b5524b872fd1413e9f7aa7f436cb244e30d8d
BUG: 763844
Reviewed-on: http://review.gluster.com/2737
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
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Change-Id: I7a41c2876be04acd166b2004d9aa66af078d32ea
BUG: 790328
Signed-off-by: shishir gowda <shishirng@gluster.com>
Reviewed-on: http://review.gluster.com/2757
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amarts@redhat.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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needed to implement a proper handling of open flag alterations
using fcntl() on fd.
Change-Id: Ic280d5db6f1dc0418d5c439abb8db1d3ac21ced0
Signed-off-by: Amar Tumballi <amar@gluster.com>
BUG: 782265
Reviewed-on: http://review.gluster.com/2723
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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so operations can be done on fd for extended attribute removal
Change-Id: Ie026f1b53793aeb4ae33e96ea5408c7a97f34bf6
Signed-off-by: Amar Tumballi <amar@gluster.com>
BUG: 766571
Reviewed-on: http://review.gluster.com/778
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@gluster.com>
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readdirp_req() call sends a dict_t * as an argument, which
contains all the xattr keys for which the entries got in
readdirp_rsp() are having xattr value filled dictionary.
Change-Id: I8b7e1290740ea3e884e67d19156ce849227167c0
Signed-off-by: Amar Tumballi <amar@gluster.com>
BUG: 765785
Reviewed-on: http://review.gluster.com/771
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@gluster.com>
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moving trusted.distribute.fix.layout from trusted domain.
Change-Id: If4317e4320998bbd739a8472b8814d75c425d341
BUG: 765487
Signed-off-by: Rajesh Amaravathi <rajesh@redhat.com>
Reviewed-on: http://review.gluster.com/747
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amar@gluster.com>
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and new function dict_get_ptr_and_len().
Change-Id: I653a1cc8123baa36d750250d02721aa98b196f38
BUG: 3158
Signed-off-by: Harshavardhana <fharshav@redhat.com>
Reviewed-on: http://review.gluster.com/744
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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subvolume.
This change is required as increasingly large number of small files
would cause inodes to run out before they run out on available disk space.
It is highly necessary to support algorithmic checking of inodes too
just as we do for disk space.
Change-Id: I9b87405328d443825e239ee80ab664aceb50ee68
BUG: 3799
Signed-off-by: Harshavardhana <fharshav@redhat.com>
Reviewed-on: http://review.gluster.com/730
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-by: Amar Tumballi <amar@gluster.com>
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A EACCES error also should not trigger a selfheal.
Only if rmdir succeeded on any subvol, a selfheal should be triggered
Change-Id: Ifebb980f0ebd1548adfd3be975ca52ca44c3f3ab
BUG: 3786
Reviewed-on: http://review.gluster.com/716
Reviewed-by: Amar Tumballi <amar@gluster.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Workaround -
If the read request, does not fall to the subvolume with the largest
file size set, then we never return the correct size. This leads to
clients seeing a truncated file error.
The work around is to wipe stat being returned as part of read call.
Problem -
We were passing the stbuf returned by the first child/index, which
can be different to the size/blocks returned by stat. This led to
applications viewing the file as being truncated.
The stbuf size needs to be the largest of all results, and blocks
the aggregation from all subvolumes. (similar to stat)
BUG: 3774
Change-Id: I46c53c18b2b42b1f5b86b05555bbab73bf993476
Reviewed-on: http://review.gluster.com/666
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amar@gluster.com>
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TODO: currently, wrt. rebalance/decommissioning, only pending thing
is hardlink migration.
Change-Id: I30cd06802e84c95601a5a081198f1f09c6d6bc01
BUG: 3714
Reviewed-on: http://review.gluster.com/578
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Shishir Gowda <shishirng@gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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The macro to check & reset rebalance flags was accessing the iatt
structure even in case of failures leading to null dereference.
Change-Id: I518f4cc9086cecbe6cf791c8a351287fe3613650
BUG: 3594
Reviewed-on: http://review.gluster.com/472
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Shishir Gowda <shishirng@gluster.com>
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* incorporated Avati's comments on the first patch.
* send proper stat information while unwinding
Change-Id: I36982cec610753c241c372272620ab2bd581fd9f
BUG: 3071
Reviewed-on: http://review.gluster.com/408
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@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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Complexity involved: To migrate a file with open fd, we have to
notify the other client process which has the open fd, and make
sure the write()s happening on that fd is properly synced to the
migrated file. Once the migration is complete, the client
process which has open-fd should get notified and it should
start performing all the operations on the new subvolume,
instead of earlier cached volume.
How to solve the notification part:
We can overload the 'postbuf' attribute in the _cbk() function to
understand if a file is 'under-migration' or 'migration-complete'
state. (This will be something similar to deciding whether a file
is DHT-linkfile by its 'mode').
Overall change includes below mentioned major changes:
1. dht_linkfile is decided by only 2 factors (mode(01000),
xattr(trusted.glusterfs.dht.linkto)), instead of earlier
3 factors (size==0)
2. in linkfile self-heal part (in 'dht_lookup_everywhere_cbk()'),
don't delete a linkfile if there is a open-fd on it. It means,
there may be a migration in progress.
3. if a file's revalidate fails with ENOENT, it may be due to file
migration, and hence need a lookup_everywhere()
4. There will be 2 phases of file-migration.
-> Phase 1: Migration in progress
* The source data file will have SGID and STICKY bit set in its mode.
* The source data file will have a 'linkto' xattr pointing the
destination.
* Destination file will have mode set to '01000', and 'linkto' xattr
set to itself.
-> Phase 2: File migration Complete
* The source data file will have mode '01000', and will be 'truncated'
to size 0.
* The destination file will have inherited mode from the source. (without
sgid and sticky bit) and its 'linkto' attribute will be removed.
4. Changes in distribute to work smoothly with a file which is in migration /
got migrated.
The 'fops' are divided into 3 categories, inode-read, inode-write and others.
inode-read fops need to handle only 'phase 2' notification, where as, the
inode-write fops need to handle both 'phase 1' and phase2. The inode-write
operations will be done on source file, and if any of 'file-migration' procedures
are detected in _cbk(), then the operations should be performed on the destination
too.
when a phase-2 is detected, then the inode-ctx itself should be changed to represent
a new layout.
With these changes, the open file migration will work smoothly with multiple clients.
Change-Id: I512408463814e650f34c62ed009bf2101d016fd6
BUG: 3071
Reviewed-on: http://review.gluster.com/209
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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This is done, so that there is no gfid mismatch. Unlink the older
linkfile if it exists, and recreate it with the correct gfid.
Also removed unused rename related code.
Change-Id: Ice0cdff51db786dafb1a019f7642c7d000e8c5f3
BUG: 2522
Reviewed-on: http://review.gluster.com/142
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@gluster.com>
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do the 'rebalance' on a file with 'setxattr()' with
'distribute.migrate-data' key. the valid 'value' is "force" or
anything else.
current implementation of 'rebalance' is same as 'glusterd-rebalance',
and hence comes with limitation of not rebalancing hardlinks, non-regular
files, and files with open-fds.
Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>
BUG: 3070 (After 'rebalance', the gfid of the file gets changed)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3070
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global spread count option is given through volume file
Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>
BUG: 2257 (enhance distribute to control the spread count (ie, control the hashing range))
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2257
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Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>
BUG: 2258 (enhance gluster volume rebalance)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2258
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Signed-off-by: Venky Shankar <venky@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>
BUG: 3046 (getxattr for afr should returns realpath from all childs)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3046
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Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>
BUG: 3013 (error in the log file upon taking the statedump)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3013
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Signed-off-by: shishir gowda <shishirng@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>
BUG: 2684 (Dir missing from mount point)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2684
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If a older link file exists, unlink it and then create the linkfile.
This will prevent mis-match of gfid's.
Signed-off-by: shishir gowda <shishirng@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>
BUG: 2464 ([7b07d444a77526f27f860210930bf1d4c7fbea9b]: rm -rf gives Invalid argumenrt error)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2464
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Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>
BUG: 2281 (I/O operations exit when add-brick is done)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2281
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If this is set, when CHILD_DOWN event is received, call exit
Signed-off-by: shishir gowda <shishirng@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>
BUG: 2536 (gsync service introspection)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2536
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also fill tabs by spaces (untabify), and indent the code
Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>
BUG: 2346 (Log message enhancements in GlusterFS - phase 1)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2346
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Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 2370 (cluster/afr: Perform self-heal as root)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2370
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clustering translators
Signed-off-by: Kaushik BV <kaushikbv@gluster.com>
Signed-off-by: Csaba Henk <csaba@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 2310 (georeplication)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2310
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When a heal on the directory or layout changes, the user xattrs
do not get healed in dht. The current fix sends the getxattr call
n all the subvolumes, aggregates it and sends the response
Signed-off-by: shishir gowda <shishirng@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 1991 (distribute directory self-heal does not copy user extended attributes)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1991
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The first CHILD_UP/DOWN/CONNECTING event to pass dht upwards should be only after
all subvols have reported their status atleast once.
Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>
BUG: 1643 (Initial requests after mount ESTALE if DHT subvolumes connect after nfs startup)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1643
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This reverts commit 6b2e2fb0903fc56105c267881f202a4865a8b6c7.
Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>
BUG: 1643 (Initial requests after mount ESTALE if DHT subvolumes connect after nfs startup)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1643
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Signed-off-by: Vijay Bellur <vijay@gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>
BUG: 971 (dynamic volume management)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
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