tbd Sun Microsystems, Inc.
* version 2.0.0
* Support for kernels:
- 2.6.16.60-0.33 (SLES 10),
- 2.6.18-128.1.1.el5 (RHEL 5),
+ 2.6.16.60-0.39.3 (SLES 10),
+ 2.6.18-128.7.1.el5 (RHEL 5),
2.6.22.14 vanilla (kernel.org).
* Client support for unpatched kernels:
(see http://wiki.lustre.org/index.php?title=Patchless_Client)
2.6.16 - 2.6.21 vanilla (kernel.org)
- * Recommended e2fsprogs version: 1.41.5.sun2
+ * Recommended e2fsprogs version: 1.41.6.sun1
* Note that reiserfs quotas are disabled on SLES 10 in this kernel.
* RHEL 4 and RHEL 5/SLES 10 clients behaves differently on 'cd' to a
removed cwd "./" (refer to Bugzilla 14399).
* File join has been disabled in this release, refer to Bugzilla 16929.
+Severity : normal
+Bugzilla : 19557
+Description: Don't allow make backward step on assignin osc next id.
+Details : race between allocation next id and ll_sync thread can be cause
+ of set wrong osc next id and can be kill valid ost objects.
+
+Severity : normal
+Bugzilla : 20533
+Description: Changes in raid5-large-io-rhel5.patch to calculate sectors properly
+
+Severity : normal
+Bugzilla : 20533
+Description: Increase the default BLK_DEF_MAX_SECTORS value for RHEL5 and SLES11
+
+Severity : normal
+Bugzilla : 20482
+Description: Error handling in osc_statfs_interpret() has been improved.
+Details : Check in osc_statfs_interpret() for EBADR.
+
+Severity : normal
+Bugzilla : 20482
+Description: Do not send statfs() requests to OSTs disabled by administrator.
+Details : Check in lov_prep_statfs_set() for non-NULL ltd_exp.
+
+Severity : enhancement
+Bugzilla : 20200
+Description: Added sanity-quota test to for lfs(1) to work with numeric uid/gid.
+
+Severity : enhancement
+Bugzilla : 20400
+Description: Update kernel to RHEL5 2.6.18-128.7.1.el5.
+
+Severity : enhancement
+Bugzilla : 20200
+Description: Enhancement for lfs(1) command to use numeric uid/gid.
+
+Severity : normal
+Bugzilla : 14951
+Description: Improved cleanup procedure for conf-sanity test_46a.
+
+Severity : normal
+Bugzilla : 18674
+Description: Do not start bulk transfer, if client tried to reconnect.
+Details : Do not start bulk transfer, if client tried to reconnect,
+ but failed due to active rpcs. Check for exp_abort_active_req
+ has been implemented.
+
+Severity : normal
+Bugzilla : 19566
+Description: Prevent inconsistences between linux and lustre mount structures.
+Details : Wait indefinitely in server_wait_finished() until mnt_count drops.
+ Make the sleep interruptible.
+
+Severity : enhancement
+Bugzilla : 19955
+Description: provide server to client comms path
+Details : server to client communications path via new LDLM_SET_INFO rpc
+
+Severity : normal
+Bugzilla : 20008
+Description: truncate starts GFP_FS allocation under transaction causing deadlock
+Details : ldiskfs_truncate calls grab_cache_page which may start page
+ allocation under an open transaction. This may lead to
+ calling prune_icache with consequent lustre reentrance.
+
+Severity : normal
+Bugzilla : 19934
+Description: send correctly lsm on open replay
+Details : MDS is trust to LSM size on replay open, but client can set wrong size
+ to lsm buffer.
+
+Severity : normal
+Bugzilla : 19854
+Description: enable client interface failover
+Details : When a child reconnects from another NID, properly update export
+ nid hash position and ldlm reverse import.
+
+Severity : enhancement
+Bugzilla : 18539
+Description: Communicate OST degraded/readonly state via statfs to MDS
+Details : Flags in the statfs returned from OSTs indicate whether the
+ OST is in a degraded RAID state, or if the filesystem has
+ turned read-only after a filesystem error is detected.
+
+Severity : normal
+Bugzilla : 20122
+Frequency : rare
+Description: don't panic if EPROTO was hit when reading symlink
+Details : correctly handling request reference in error cases.
+
+Severity : enhancement
+Bugzilla : 19856
+Description: Add LustreNetLink, a kernel-userspace communcation path.
+
+Severity : enhancement
+Bugzilla : 19847
+Description: Update kernel to SLES10 SP2 2.6.16.60-0.39.3.
+
+Severity : normal
+Frequency : rare
+Bugzilla : 18800
+Description: access to llog context before init.
+Details : move handling CATALOGS file at osc layer and forbid access to llog
+ context before init.
+
+Severity : normal
+Frequency : rare, only when client is writing to OST on local node
+Bugzilla : 19529
+Description: Avoid deadlock for local client writes
+Details : Use new OBD_BRW_MEMALLOC flag to notify OST about writes in the
+ memory freeing context. This allows OST threads to set the
+ PF_MEMALLOC flag on task structures in order to allocate memory
+ from reserved pools and complete IO.
+ Use GFP_HIGHUSER for OST allocations for non-local client writes,
+ so that the OST threads generate memory pressure and allow
+ inactive pages to be reclaimed.
+
+Severity : enhancement
+Bugzilla : 19846
+Description: Update kernel to RHEL5.3 2.6.18-128.1.14.el5.
+
+Severity : normal
+Frequency : rare
+Bugzilla : 18380
+Description: lock ordering violation between &cli->cl_sem and _lprocfs_lock
+Details : move ldlm namespace creation in setup phase to avoid grab
+ _lprocfs_lock with cli_sem held.
+
+Severity : normal
+Bugzilla : 19507
+Description: Temporarily disable grant shrink.
+Details : Disable the feature for debugging.
+
+Severity : normal
+Frequency : only when formatting test filesystems
+Bugzilla : 18624
+Description: Unable to run several mkfs.lustre on loop devices at the same time
+Details : mkfs.lustre returns error 256 on the concurrent loop devices
+ formatting. The solution is to proper handle the error.
+
+Severity : enhancement
+Bugzilla : 19024
+Description: Update kernel to RHEL5.3 2.6.18-128.1.6.el5.
+
+Severity : enhancement
+Bugzilla : 19212
+Description: Update kernel to SLES10 SP2 2.6.16.60-0.37.
+
+Severity : normal
+Frequency : rare
+Bugzilla : 19528
+Description: resolve race between obd_disconnect and class_disconnect_exports
+Details : if obd_disconnect will be called to already disconnected export he
+ forget release one reference and osc module can't unloaded.
+
+Severity : enhancement
+Bugzilla : 18688
+Description: Allow tuning service thread via /proc
+Details : For each service a new
+ /proc/fs/lustre/{service}/*/thread_{min,max,started} entry is
+ created that can be used to set min/max thread counts, and get the
+ current number of running threads.
+
+Severity : normal
+Frequency : rare
+Bugzilla : 18382
+Descriptoin: don't return error if have partially created objects for file.
+Details : lov_update_create_set uses set->set_success as index for created
+ objects, so if some requests will be failed, they will have hole
+ at end of array and qos_shrink_lsm for allocate correct lsm.
+
Severity : enhancement
Bugzilla : 17671
Description: Update OFED support to 1.4.1
Severity : normal
+Frequency : common
Bugzilla : 18645
Description: Reduce small size read RPC
-Details : Set read-ahead limite for every file and only do read-ahead when
+Details : Set read-ahead limit for every file and only do read-ahead when
available read-ahead pages are bigger than 1M to avoid small size
read RPC.
Severity : enhancement
+Bugzilla : 19293
+Description: move AT tunable parameters for more consistent usage
+Details : add AT tunables under /proc/sys/lustre, add to conf_param parsing
+
+Severity : enhancement
Bugzilla : 17974
Description: add lazystatfs mount option to allow statfs(2) to skip down OSTs
Details : allow skip disconnected ost for send statfs request and hide error
- in this case.
+ in this case.
Severity : major
Frequency : rare
Bugzilla : 18902
Descriptoin: allow kill process which wait statahead result
Details : for some reasons 'ls' can stick in waiting result from statahead,
- in this case need way for kill this process.
+ in this case need way for kill this process.
Severity : enhancement
Bugzilla : 18798
Description: Add state history info file, enhance import info file
Details : Track import connection state changes in a new osc/mdc proc file;
- add overview-type data to the osc/mdc import proc file.
+ add overview-type data to the osc/mdc import proc file.
Severity : enhancement
Bugzilla : 17536
Bugzilla : 16839
Descriptoin: ll_sync thread stay in waiting mds<>ost recovery finished
Details : stay in waiting mds<>ost recovery finished produce random bugs
- due race between two ll_sync thread for one lov target. send
- ACTIVATE event only if connect realy finished and import have
- FULL state.
+ due race between two ll_sync thread for one lov target. send
+ ACTIVATE event only if connect realy finished and import have
+ FULL state.
Severity : normal
Frequency : rare, connect and disconnect target at same time
Bugzilla : 17310
Descriptoin: ASSERTION(atomic_read(&imp->imp_inflight) == 0
Details : don't call obd_disconnect under lov_lock. this long time
- operation and can block ptlrpcd which answer to connect request.
+ operation and can block ptlrpcd which answer to connect request.
Severity : normal
Frequency : rare
Bugzilla : 18154
Descriptoin: don't lose wakeup for imp_recovery_waitq
Details : recover_import_no_retry or invalidate_import and import_close can
- both sleep on imp_recovery_waitq, but we was send only one wakeup
- to sleep queue.
+ both sleep on imp_recovery_waitq, but we was send only one wakeup
+ to sleep queue.
Severity : normal
Frequency : always with long access acl
Bugzilla : 17636
Descriptoin: mds can't pack reply with long acl.
Details : mds don't control size of acl but they limited by reint/getattr
- reply buffer.
+ reply buffer.
Severity : enhancement
Bugzilla : 18061
Bugzilla : 18018
Description: external journal device not working after the remount
Details : clear dev_rdonly flag for external journal devices in
- blkdev_put()
+ blkdev_put()
Severity : minor
Frequency : rare
Description: shutdown vs evict race
Details : client_disconnect_export vs connect request race.
if client will evicted at this time - we start invalidate
- thread without referece to import and import can be freed
- at same time.
+ thread without referece to import and import can be freed
+ at same time.
Severity : normal
Frequency : rare, need acl's on inode.
Bugzilla : 16492
Description: client can't handle ost additional correctly
Details : if ost was added after client connected to mds client can have
- hit lnet_try_match_md ... to big messages to wide striped files.
- in this case need teach client to handle config events about add
- lov target and update client max ea size at that event.
+ hit lnet_try_match_md ... to big messages to wide striped files.
+ in this case need teach client to handle config events about add
+ lov target and update client max ea size at that event.
Severity : enhancement
Bugzilla : 15699
Description: Changelogs
Details : Changelogs are a lightweight mechanism to track filesystem
- metadata and namespace changes. The changelog is recorded
- permanently on the MDTs, and is periodically "consumed" / purged
- when records are no longer needed.
+ metadata and namespace changes. The changelog is recorded
+ permanently on the MDTs, and is periodically "consumed" / purged
+ when records are no longer needed.
Severity : enhancement
Bugzilla : 15957
Description: compact fld format with extents
Details : Store range of seq rather than every seq in FLD. Seq
- controller update FLD rather than clients. In Case of CMD, mdt0
- has FLD, all other metadata server act as non persistent proxy
- for FLD queries and cache fld entries in fld cache.
+ controller update FLD rather than clients. In Case of CMD, mdt0
+ has FLD, all other metadata server act as non persistent proxy
+ for FLD queries and cache fld entries in fld cache.
Severity : normal
Frequency : rare
Bugzilla : 16081
Description: don't skip ost target if they assigned to file
Details : Drop slow OSCs if we can, but not for requested start idx.
- This means "if OSC is slow and it is not the requested
- start OST, then it can be skipped, otherwise skip it only
- if it is inactive/recovering/out-of-space.
+ This means "if OSC is slow and it is not the requested
+ start OST, then it can be skipped, otherwise skip it only
+ if it is inactive/recovering/out-of-space.
Severity : normal
Bugzilla : 16080
Description: more cleanup in mds_lov
Details : not send LOV EA under replay, we can't know about they size at this
- time. Don't allow client connect to mds before any ost connected,
- for avoid problems with LOV EA size and returning EIO to client.
+ time. Don't allow client connect to mds before any ost connected,
+ for avoid problems with LOV EA size and returning EIO to client.
Severity : enhancement
Bugzilla : 11826
Details : When multiple mount protection fails during remount, proper error
should be returned
+Severity : enhancement
+Bugzilla : 16823
+Description: Allow stripe size to be up to 4G-64k
+Details : Fix math logic to allow large stripe sizes.
+
+Severity : high
+Bugzilla : 17569
+Description: add check for >8TB ldiskfs filesystems
+Details : ext3-based ldiskfs does not support greater than 8TB LUNs.
+ Don't allow >8TB ldiskfs filesystems to be mounted without
+ force_over_8tb mount option
+
+Severity : normal
+Frequency : rare
+Bugzilla : 18793
+Descriptoin: OSS complains "too many blocks" and crashes
+Details : In filter_commitrw_write():
+ 1. lquota_chkquota();
+ 2. obdo_from_inode();
+ 3. lquota_pending_commit();
+ "2." has changed uid and gid in this case, then caused
+ lquota_chkquota() and lquota_pending_commit() to use
+ different uid and gid. That is the root of the bug.
+
+Severity : normal
+Bugzilla : 20463
+Descriptoin: getstripe doesn't report stripe count = -1 sanely
+Details : Detect and print out the 'stripe count = -1' case properly.
+
--------------------------------------------------------------------------------
2007-08-10 Cluster File Systems, Inc. <info@clusterfs.com>
git://git.whamcloud.com / fs / lustre-release.git / blobdiff