tbd Sun Microsystems, Inc.
* version 2.0.0
* Support for kernels:
- 2.6.16.60-0.23 (SLES 10),
+ 2.6.16.60-0.27 (SLES 10),
2.6.18-92.1.6.el5 (RHEL 5),
2.6.22.14 vanilla (kernel.org).
* Client support for unpatched kernels:
* RHEL 4 and RHEL 5/SLES 10 clients behaves differently on 'cd' to a
removed cwd "./" (refer to Bugzilla 14399).
+Severity : enhancement
+Bugzilla : 16547
+Description: Update to SLES10 SP2 kernel-2.6.16.60-0.27.
+
+Severity : enhancement
+Bugzilla : 16566
+Description: Upcall on Lustre log has been dumped
+Details : Allow for a user mode script to be called once a Lustre log has
+ been dumped. It passes the filename of the dumped log to the
+ script, the location of the script can be specified via
+ /proc/sys/lnet/debug_log_upcall.
+
+Severity : minor
+Bugzilla : 16583
+Frequency : rare
+Description: avoid messages about idr_remove called for id which is not allocated.
+Details : Move assigment s_dev for clustered nfs to end of initialization, for
+ avoid problem with error handling.
+
+Severity : minor
+Bugzilla : 16109
+Frequency : rare
+Description: avoid Already found the key in hash [CONN_UNUSED_HASH] messages
+Details : When connection is reused this not moved from CONN_UNUSED_HASH into
+ CONN_USED_HASH and this prodice warning when put connection again
+ in unused hash.
+
+Severity : enhancement
+Bugzilla : 16573
+Description: Export bytes_read/bytes_write count on OSC/OST.
+
+Severity : normal
+Bugzilla : 16237
+Description: Early reply size mismatch, MGC loses connection
+Details : Apply the MGS_CONNECT_SUPPORTED mask at reconnect time so
+ the connect flags are properly negotiated.
+
Severity : normal
Bugzilla : 16006
-Description: Properly propagate oinfo flags from lov to osc for statfs
+Description: Properly propagate oinfo flags from lov to osc for statfs
Details : restore missing copy oi_flags to lov requests.
Severity : enhancement
Severity : enhancement
Bugzilla : 16091
-Description: configure's --enable-quota should check the
+Description: configure's --enable-quota should check the
: kernel .config for CONFIG_QUOTA
Details : configure is terminated if --enable-quota is passed but
: no quota support is in kernel
Bugzilla : 15825
Description: Kernel BUG tries to release flock
Details : Lustre does not destroy flock lock before last reference goes
- away. So always drop flock locks when client is evicted and
+ away. So always drop flock locks when client is evicted and
perform unlock regardless of successfulness of speaking to MDS.
Severity : normal
Severity : normal
Bugzilla : 14614
-Description: User code with malformed file open parameter crashes client node
+Description: User code with malformed file open parameter crashes client node
Details : Before packing join_file req, all the related reference should be
checked carefully in case some malformed flags cause fake
join_file req on client.
Bugzilla : 14257
Description: LASSERT on MDS when client holding flock lock dies
Details : ldlm pool logic depends on number of granted locks equal to
- number of released locks which is not true for flock locks, so
+ number of released locks which is not true for flock locks, so
just exclude such locks from consideration.
Severity : normal
Bugzilla : 15574
Description: MDS LBUG: ASSERTION(!IS_ERR(dchild))
Details : Change LASSERTs to client eviction (i.e. abort client's recovery)
- because LASSERT on both the data supplied by a client, and the data
+ because LASSERT on both the data supplied by a client, and the data
on disk is dangerous and incorrect.
Severity : enhancement
extent information of a file. It can be used to map logical blocks
in a file to physical blocks in the block device.
+Severity : normal
+Bugzilla : 15198
+Description: LDLM soft lockups - improvement
+Details : It is be possible to send the lock handle along with each read
+ or write request because the client is already doing a lock match
+ itself so there isn't any reason the OST should have to re-do that
+ search.
+
--------------------------------------------------------------------------------
2007-08-10 Cluster File Systems, Inc. <info@clusterfs.com>
Frequency : at statup only
Bugzilla : 12860
Description: mds_lov_synchronize race leads to various problems
-Details : simultaneous MDT->OST connections at startup can cause the
+Details : simultaneous MDT->OST connections at startup can cause the
sync to abort, leaving the OSC in a bad state.
Severity : enhancement
to update the client grant space info.
Severity : normal
-Frequency : when client reconnect to OST
+Frequency : when client reconnect to OST
Bugzilla : 11662
Description: Grant Leak when osc do resend and replay bulk write
Details : When osc reconnect to OST, OST(filter)should clear grant info of
these of resend/replay write req.
Severity : normal
-Frequency : rare
+Frequency : rare
Bugzilla : 11662
Description: Grant space more than avaiable left space sometimes.
Details : When then OST is about to be full, if two bulk writing from
different clients came to OST. Accord the avaliable space of the
OST, the first req should be permitted, and the second one
- should be denied by ENOSPC. But if the seconde arrived before
+ should be denied by ENOSPC. But if the seconde arrived before
the first one is commited. The OST might wrongly permit second
writing, which will cause grant space > avaiable space.
Severity : normal
-Frequency : when client is evicted
+Frequency : when client is evicted
Bugzilla : 12371
Description: Grant might be wrongly erased when osc is evicted by OST
-Details : when the import is evicted by server, it will fork another
- thread ptlrpc_invalidate_import_thread to invalidate the
- import, where the grant will be set to 0. While the original
- thread will update the grant it got when connecting. So if
- the former happened latter, the grant will be wrongly errased
+Details : when the import is evicted by server, it will fork another
+ thread ptlrpc_invalidate_import_thread to invalidate the
+ import, where the grant will be set to 0. While the original
+ thread will update the grant it got when connecting. So if
+ the former happened latter, the grant will be wrongly errased
because of this race.
Severity : normal
-Frequency : rare
+Frequency : rare
Bugzilla : 12401
-Description: Checking Stale with correct fid
-Details : ll_revalidate_it should uses de_inode instead of op_data.fid2
- to check whether it is stale, because sometimes, we want the
+Description: Checking Stale with correct fid
+Details : ll_revalidate_it should uses de_inode instead of op_data.fid2
+ to check whether it is stale, because sometimes, we want the
enqueue happened anyway, and op_data.fid2 will not be initialized.
Severity : enhancement
can be cause of random memory corruption.
Severity : normal
-Frequency : rare
+Frequency : rare
Bugzilla : 10818
Description: Memory leak in recovery
Details : Lov_mds_md was not free in an error handler in mds_create_object.
- It should also check obd_fail before fsfilt_start, otherwise if
+ It should also check obd_fail before fsfilt_start, otherwise if
fsfilt_start return -EROFS,(failover mds during mds recovery).
- then the req will return with repmsg->transno = 0 and rc = EROFS.
+ then the req will return with repmsg->transno = 0 and rc = EROFS.
and we met hit the assert LASSERT(req->rq_reqmsg->transno ==
- req->rq_repmsg->transno) in ptlrpc_replay_interpret. Fcc should
+ req->rq_repmsg->transno) in ptlrpc_replay_interpret. Fcc should
be freed no matter whether fsfilt_commit success or not.
Severity : minor
Frequency : only with huge count clients
Bugzilla : 11817
-Description: Prevents from taking the superblock lock in llap_from_page for
+Description: Prevents from taking the superblock lock in llap_from_page for
a soon died page.
-Details : using LL_ORIGIN_REMOVEPAGE origin flag instead of LL_ORIGIN_UNKNOW
- for llap_from_page call in ll_removepage prevents from taking the
+Details : using LL_ORIGIN_REMOVEPAGE origin flag instead of LL_ORIGIN_UNKNOW
+ for llap_from_page call in ll_removepage prevents from taking the
superblock lock for a soon died page.
Severity : normal
Frequency : rare
-Bugzilla : 11935
+Bugzilla : 11935
Description: Not check open intent error before release open handle
Details : in some rare cases, the open intent error is not checked before
release open handle, which may cause
Severity : normal
Frequency : rare
-Bugzilla : 12556
-Description: Set cat log bitmap only after create log success.
-Details : in some rare cases, the cat log bitmap is set too early. and it
+Bugzilla : 12556
+Description: Set cat log bitmap only after create log success.
+Details : in some rare cases, the cat log bitmap is set too early. and it
should be set only after create log success.
Severity : major
Severity : normal
Frequency : rare
-Bugzilla : 12086
-Description: the cat log was not initialized in recovery
+Bugzilla : 12086
+Description: the cat log was not initialized in recovery
Details : When mds(mgs) do recovery, the tgt_count might be zero, so the
unlink log on mds will not be initialized until mds post
- recovery. And also in mds post recovery, the unlink log will
+ recovery. And also in mds post recovery, the unlink log will
initialization will be done asynchronausly, so there will be race
between add unlink log and unlink log initialization.
Severity : normal
Bugzilla : 12689
Description: replay-single.sh test 52 fails
-Details : A lock's skiplist need to be cleanup when it being unlinked
+Details : A lock's skiplist need to be cleanup when it being unlinked
from its resource list.
Severity : normal
Severity : enhancement
Bugzilla : 12702
Description: refine locking for avoid write wrong info into lov_objid file
-Details : fix possible races with add new target and write/update data in
+Details : fix possible races with add new target and write/update data in
lov_objid file.
--------------------------------------------------------------------------------
special upgrade step is needed. Please read the
user documentation before upgrading any part of a live system.
* WIRE PROTOCOL CHANGE from previous 1.6 beta versions. This
- version will not interoperate with 1.6 betas before beta5 (1.5.95).
+ version will not interoperate with 1.6 betas before beta5 (1.5.95).
* WARNING: Lustre configuration and startup changes are required with
this release. See https://mail.clusterfs.com/wikis/lustre/MountConf
for details.
Description: optimized stripe assignment
Details : stripe assignments are now made based on ost space available,
ost previous usage, and OSS previous usage, in order to try
- to optimize storage space and networking resources.
+ to optimize storage space and networking resources.
Severity : enhancement
Bugzilla : 4226
Bugzilla : 22484
Description: client read/write statistics
Details : Add client read/write call usage stats for performance
- analysis of user processes.
+ analysis of user processes.
/proc/fs/lustre/llite/*/offset_stats shows non-sequential
file access. extents_stats shows chunk size distribution.
extents_stats_per_process show chunk size distribution per
- user process.
+ user process.
Severity : enhancement
Bugzilla : 22486
Description: mds statistics
-Details : Add detailed mds operations statistics in
+Details : Add detailed mds operations statistics in
/proc/fs/lustre/mds/*/stats.
Severity : minor
Frequency : Rare
Bugzilla : 11248
Description: merge and cleanup kernel patches.
-Details :
+Details :
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