X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2FChangeLog;h=513d323c75a4dd54f23ad6a706f8cac86fecf0d7;hp=c5f1b9991ca2b437ec901def4a82f62f76247d51;hb=e655617a2cb84b249b93d850b67cd3bfec611b1f;hpb=460b0eba644886dd01781db2589d71b648672b21 diff --git a/lustre/ChangeLog b/lustre/ChangeLog index c5f1b99..513d323 100644 --- a/lustre/ChangeLog +++ b/lustre/ChangeLog @@ -1,22 +1,149 @@ tbd Sun Microsystems, Inc. - * version 1.8.0 + * version 2.0.0 * Support for kernels: - 2.6.16.54-0.2.5 (SLES 10), - 2.6.18-53.1.19.el5 (RHEL 5), + 2.6.16.60-0.27 (SLES 10), + 2.6.18-92.1.10.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: 1.40.7-sun3 + * Recommended e2fsprogs version: 1.40.11-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). +Severity : enhancement +Bugzilla : 16633 +Description: Update to RHEL5 kernel-2.6.18-92.1.10.el5. + +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 +Details : restore missing copy oi_flags to lov requests. + +Severity : enhancement +Bugzilla : 16581 +Description: Add man pages for llobdstat(8), llstat(8), plot-llstat(8), + : l_getgroups(8), lst(8), routerstat(8) +Details : included man pages for llobdstat(8), llstat(8), + : plot-llstat(8), l_getgroups(8), lst(8), routerstat(8) + +Severity : enhancement +Bugzilla : 16091 +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 + +Severity : normal +Bugzilla : 13139 +Description: Remove portals compatibility +Details : Remove portals compatibility, not interoperable with releases + before 1.4.6 + +Severity : normal +Bugzilla : 15576 +Description: Resolve device initialization race +Details : Prevent proc handler from accessing devices added to the + obd_devs array but yet be intialized. + +Severity : enhancement +Bugzilla : 15308 +Description: Update to SLES10 SP2 kernel-2.6.16.60-0.23. + +Severity : enhancement +Bugzilla : 16190 +Description: Update to RHEL5 kernel-2.6.18-92.1.6.el5. + +Severity : normal +Bugzilla : 12975 +Frequency : rare +Description: Using wrong pointer in osc_brw_prep_request +Details : Access to array[-1] can produce panic if kernel compiled with + CONFIG_PAGE_ALLOC enabled + +Severity : normal +Bugzilla : 16037 +Description: Client runs out of low memory +Details : Consider only lowmem when counting initial number of llap pages + +Severity : normal +Bugzilla : 15625 +Description: *optional* service tags registration +Details : if the "service tags" package is installed on a Lustre node + When the filesystem is mounted, a local-node service tag will + be created. See http://inventory.sun.com/ for more information + about the Service Tags asset management system. + +Severity : normal +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 + perform unlock regardless of successfulness of speaking to MDS. + +Severity : normal +Bugzilla : 15210 +Description: add recount protection for osc callbacks, so avoid panic on shutdown + +Severity : normal +Bugzilla : 12653 +Description: sanity test 65a fails if stripecount of -1 is set +Details : handle -1 striping on filesystem in ll_dirstripe_verify + +Severity : normal +Bugzilla : 14742 +Frequency : rare +Description: ASSERTION(CheckWriteback(page,cmd)) failed +Details : badly clear PG_Writeback bit in ll_ap_completion can produce false + positive assertion. + +Severity : enhancement +Bugzilla : 15865 +Description: Update to RHEL5 kernel-2.6.18-53.1.21.el5. + Severity : major Bugzilla : 15924 Description: do not process already freed flock Details : flock can possibly be freed by another thread before it reaches - to ldlm_flock_completion_ast. + to ldlm_flock_completion_ast. Severity : normal Bugzilla : 14480 @@ -27,14 +154,14 @@ Severity : minor Bugzilla : 15837 Description: oops in page fault handler Details : kernel page fault handler can return two special 'pages' in error case, don't - try dereference NOPAGE_SIGBUS and NOPAGE_OMM. + try dereference NOPAGE_SIGBUS and NOPAGE_OMM. Severity : minor Bugzilla : 15716 Description: timeout with invalidate import. Details : ptlrpcd_check call obd_zombie_impexp_cull and wait request which should be - handled by ptlrpcd. This produce long age waiting and -ETIMEOUT - ptlrpc_invalidate_import and as result LASSERT. + handled by ptlrpcd. This produce long age waiting and -ETIMEOUT + ptlrpc_invalidate_import and as result LASSERT. Severity : enhancement Bugzilla : 15741 @@ -44,35 +171,35 @@ Severity : major Bugzilla : 14134 Description: enable MGS and MDT services start separately Details : add a 'nomgs' option in mount.lustre to enable start a MDT with - a co-located MGS without starting the MGS, which is a complement - to 'nosvc' mount option. + a co-located MGS without starting the MGS, which is a complement + to 'nosvc' mount option. Severity : normal Bugzilla : 14835 Frequency : after recovery Description: precreate to many object's after del orphan. Details : del orphan st in oscc last_id == next_id and this triger growing - count of precreated objects. Set flag LOW to skip increase count - of precreated objects. + count of precreated objects. Set flag LOW to skip increase count + of precreated objects. Severity : normal Bugzilla : 15139 Frequency : rare, on clear nid stats Description: ASSERTION(client_stat->nid_exp_ref_count == 0) Details : when clean nid stats sometimes try destroy live entry, - and this produce panic in free. + and this produce panic in free. Severity : major Bugzilla : 15575 Description: Stack overflow during MDS log replay - ease stack pressure by using a thread dealing llog_process. + ease stack pressure by using a thread dealing llog_process. Severity : normal Bugzilla : 15443 Description: wait until IO finished before start new when do lock cancel. Details : VM protocol want old IO finished before start new, in this case - need wait until PG_writeback is cleared until check dirty flag and - call writepages in lock cancel callback. + need wait until PG_writeback is cleared until check dirty flag and + call writepages in lock cancel callback. Severity : enhancement Bugzilla : 14929 @@ -80,9 +207,9 @@ Description: using special macro for print time and cleanup in includes. Severity : normal Bugzilla : 12888 -Description: mds_mfd_close() ASSERTION(rc == 0) -Details : In mds_mfd_close(), we need protect inode's writecount change - within its orphan write semaphore to prevent possible races. +Description: mds_mfd_close() ASSERTION(rc == 0) +Details : In mds_mfd_close(), we need protect inode's writecount change + within its orphan write semaphore to prevent possible races. Severity : minor Bugzilla : 14929 @@ -99,7 +226,7 @@ Severity : minor Bugzilla : 14949 Description: don't panic with use echo client Details : echo client pass NULL as client nid pointer and this produce null - pointer dereference. + pointer dereference. Severity : normal Bugzilla : 15278 @@ -112,20 +239,20 @@ Description: add message levels for liblustreapi Severity : normal Bugzilla : 13380 -Description: fix for occasional failure case of -ENOSPC in recovery-small tests -Details : Move the 'good_osts' check before the 'total_bavail' check. This - will result in an -EAGAIN and in the exit call path we call - alloc_rr() which will with increasing aggressiveness attempt to +Description: fix for occasional failure case of -ENOSPC in recovery-small tests +Details : Move the 'good_osts' check before the 'total_bavail' check. This + will result in an -EAGAIN and in the exit call path we call + alloc_rr() which will with increasing aggressiveness attempt to aquire precreated objects on the minimum number of required OSCs. Severity : major Bugzilla : 14326 Description: Use old size assignment to avoid deadlock Details : This reverts the changes in bugs 2369 and bug 14138 that introduced - the scheduling while holding a spinlock. We do not need locking - for size in ll_update_inode() because size is only updated from - the MDS for directories or files without objects, so there is no - other place to do the update, and concurrent access to such inodes + the scheduling while holding a spinlock. We do not need locking + for size in ll_update_inode() because size is only updated from + the MDS for directories or files without objects, so there is no + other place to do the update, and concurrent access to such inodes are protected by the inode lock. Severity : normal @@ -155,7 +282,7 @@ Severity : normal Bugzilla : 14803 Description: Don't update lov_desc members until making sure they are valid Details : When updating lov_desc members via proc fs, need fix their - validities before doing the real update. + validities before doing the real update. Severity : normal Bugzilla : 15069 @@ -206,17 +333,17 @@ Details : When MGC is disconnected from MGS long enough, MGS will evict the Severity : major Bugzilla : 15027 Frequency : on network error -Description: panic with double free request if network error +Description: panic with double free request if network error Details : mdc_finish_enqueue is finish request if any network error ocuring, - but it's true only for synchronus enqueue, for async enqueue - (via ptlrpcd) this incorrect and ptlrpcd want finish request - himself. + but it's true only for synchronus enqueue, for async enqueue + (via ptlrpcd) this incorrect and ptlrpcd want finish request + himself. Severity : enhancement Bugzilla : 11401 Description: client-side metadata stat-ahead during readdir(directory readahead) Details : perform client-side metadata stat-ahead when the client detects - readdir and sequential stat of dir entries therein + readdir and sequential stat of dir entries therein Severity : major Frequency : on start mds @@ -557,7 +684,7 @@ Frequency : rare Description: Oops in read and write path when failing to allocate lock. Details : Check if lock allocation failed and return error back. -Severity : normal +Severity : normal Bugzilla : 11679 Description: lstripe command fails for valid OST index Details : The stripe offset is compared to lov->desc.ld_tgt_count @@ -579,10 +706,11 @@ Bugzilla : 12836 Description: lfs find on -1 stripe looping in lsm_lmm_verify_common() Details : Avoid lov_verify_lmm_common() on directory with -1 stripe count. -Severity : major -Bugzilla : 12932 -Description: obd_health_check_timeout too short -Details : set obd_health_check_timeout as 1.5x of obd_timeout +Severity : enhancement +Bugzilla : 3055 +Description: Adaptive timeouts +Details : RPC timeouts adapt to changing server load and network + conditions to reduce resend attempts and improve recovery time. Severity : normal Bugzilla : 12192 @@ -849,11 +977,11 @@ Severity : normal Bugzilla : 13570 Description: To avoid grant space > avaible space when the disk is almost full. Without this patch you might see the error "grant XXXX > - available" or some LBUG about grant, when the disk is almost + available" or some LBUG about grant, when the disk is almost full. Details : In filter_check_grant, for non_grant cache write, we should check the left space by if (*left > ungranted + bytes), instead - of (*left > ungranted), because only we are sure the left space + of (*left > ungranted), because only we are sure the left space is enough for another "bytes", then the ungrant space should be increase. In client, we should update cl_avail_grant only there is OBD_MD_FLGRANT in the reply. @@ -902,7 +1030,7 @@ Details : Console messages can now be disabled via lnet.printk. 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. @@ -1033,7 +1161,7 @@ Severity : normal 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 @@ -1067,7 +1195,7 @@ Severity : enhancement Bugzilla : 11270 Description: eliminate client locks in face of contention Details : file contention detection and lockless i/o implementation - for contended files. + for contended files. Severity : normal Bugzilla : 15212 @@ -1091,23 +1219,131 @@ Severity : normal Bugzilla : 15346 Description: skiplist implementation simplification Details : skiplists are used to group compatible locks on granted list - that was implemented as tracking first and last lock of each lock group - the patch changes that to using doubly linked lists + that was implemented as tracking first and last lock of each lock group + the patch changes that to using doubly linked lists 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 Bugzilla : 10718 -Description: Slow trucate/writes to huge files at high offsets. +Description: Slow truncate/writes to huge files at high offsets. Details : Directly associate cached pages to lock that protect those pages, - this allows us to quickly find what pages to write and remove + this allows us to quickly find what pages to write and remove once lock callback is received. +Severity : normal +Bugzilla : 15953 +Description: more ldlm soft lockups +Details : In ldlm_resource_add_lock(), call to ldlm_resource_dump() + starve other threads from the resource lock for a long time in + case of long waiting queue, so change the debug level from + D_OTHER to the less frequently used D_INFO. + +Severity : enhancement +Bugzilla : 13128 +Description: add -gid, -group, -uid, -user options to lfs find + +Severity : normal +Bugzilla : 15950 +Description: Hung threads in invalidate_inode_pages2_range +Details : The direct IO path doesn't call check_rpcs to submit a new RPC once + one is completed. As a result, some RPCs are stuck in the queue + and are never sent. + +Severity : normal +Bugzilla : 14629 +Description: filter threads hungs on waiting journal commit +Details : Cleanup filter group llog code, then only filter group llog will + be only created in the MDS/OST syncing process. + +Severity : normal +Bugzilla : 15684 +Description: Procfs and llog threads access destoryed import sometimes. +Details : Sync the import destoryed process with procfs and llog threads by + the import refcount and semaphore. + +Severity : enhancement +Bugzilla : 14975 +Description: openlock cache of b1_6 port to HEAD + +Severity : major +Frequncy : rare +Bugzilla : 16226 +Description: kernel BUG at ldiskfs2_ext_new_extent_cb +Details : If insertion of an extent fails, then discard the inode + preallocation and free data blocks else it can lead to duplicate + blocks. + +Severity : normal +Bugzilla : 16199 +Description: don't always update ctime in ext3_xattr_set_handle() +Details : Current xattr code updates the inode ctime in ext3_xattr_set_handle. + In some cases the ctime should not be updated, for example for + 2.0->1.8 compatibility it is necessary to delete an xattr and it + should not update the ctime. + +Severity : major +Frequency : rare +Bugzilla : 15713/16362 +Description: Assertion in iopen_connect_dentry in 1.6.3 +Details : looking up an inode via iopen with the wrong generation number can + populate the dcache with a disconneced dentry while the inode + number is in the process of being reallocated. This causes an + assertion failure in iopen since the inode's dentry list contains + both a connected and disconnected dentry. + +Severity : normal +Bugzilla : 16496 +Description: assertion failure in ldlm_handle2lock() +Details : fix a race between class_handle_unhash() and class_handle2object() + introduced in lustre 1.6.5 by bug 13622. + +Severity : minor +Frequency : rare +Bugzilla : 12755 +Description: Kernel BUG: sd_iostats_bump: unexpected disk index +Details : remove the limit of 256 scsi disks in the sd_iostat patch + +Severity : minor +Frequency : rare +Bugzilla : 16494 +Description: oops in sd_iostats_seq_show() +Details : unloading/reloading the scsi low level driver triggers a kernel + bug when trying to access the sd iostat file. + +Severity : major +Frequency : rare +Bugzilla : 16404 +Description: Kernel panics during QLogic driver reload +Details : REQ_BLOCK_PC requests are not handled properly in the sd iostat + patch, causing memory corruption. + +Severity : minor +Frequency : rare +Bugzilla : 16140 +Description: journal_dev option does not work in b1_6 +Details : pass mount option during pre-mount. + +Severity : enhancement +Bugzilla : 10555 +Description: Add a FIEMAP(FIle Extent MAP) ioctl +Details : FIEMAP ioctl will allow an application to efficiently fetch the + 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. @@ -1138,7 +1374,7 @@ Severity : minor 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 @@ -1307,7 +1543,7 @@ Details : When osc reconnect ost, OST(filter) should check whether it 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 @@ -1316,33 +1552,33 @@ 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 @@ -1358,29 +1594,29 @@ Details : size of struct ll_inode_info is to big for union inode.u and this 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 @@ -1389,9 +1625,9 @@ Details : in some rare cases, the open intent error is not checked before 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 @@ -1408,11 +1644,11 @@ Details : Insert cond_resched to give other threads a chance to use some CPU 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. @@ -1433,7 +1669,7 @@ Details : imp_lock should be held while iterating over imp_sending_list for 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 @@ -1462,7 +1698,7 @@ Details : If a OST has no remain object, system will block on the creating 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. -------------------------------------------------------------------------------- @@ -1496,7 +1732,7 @@ Details : The __iget() symbol export is missing. To avoid the need for 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. @@ -1535,7 +1771,7 @@ Bugzilla : 9862 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 @@ -1572,16 +1808,16 @@ Severity : enhancement 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 @@ -3821,7 +4057,7 @@ Severity : Minor Frequency : Rare Bugzilla : 11248 Description: merge and cleanup kernel patches. -Details : +Details : -----------------------------------------------------------------------------