X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2FChangeLog;h=6daa824652c013899e29d4e3e0cfc6d299b05edf;hb=42a660527279112258b35ec840b59d3f4ad9420b;hp=40437fa51cea13c2e0b01b0c8a96bde4d849d163;hpb=c27a04734b4dff552dfe2034cc29bd24556778fb;p=fs%2Flustre-release.git diff --git a/lustre/ChangeLog b/lustre/ChangeLog index 40437fa..6daa824 100644 --- a/lustre/ChangeLog +++ b/lustre/ChangeLog @@ -1,55 +1,271 @@ +tbd Sun Microsystems, Inc. * version 1.8.0 * Support for kernels: - 2.6.5-7.286 (SLES 9), - 2.6.9-55.0.9.EL (RHEL 4), - 2.6.16.53-0.8 (SLES 10), - 2.6.18-8.1.14.EL5 (RHEL 5). - 2.6.18.8 vanilla (kernel.org) + 2.6.9-67.0.4.EL (RHEL 4), + 2.6.16.54-0.2.5 (SLES 10), + 2.6.18-53.1.14.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) - 2.6.9-42.0.10.EL (RHEL 4), 2.6.16 - 2.6.21 vanilla (kernel.org) - * Recommended e2fsprogs version: 1.40.2-cfs1 + * Recommended e2fsprogs version: 1.40.7-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 : normal +Bugzilla : 12652 +Description: Add FMODE_EXEC file flag for SLES10 SP1 kernel. + +Severity : enhancement +Bugzilla : 13397 +Description: Update to support 2.6.22.14 vanilla kernel. + +Severity : normal +Bugzilla : 14533 +Frequency : rare, on recovery +Description: read procfs can produce deadlock in some situation +Details : Holding lprocfs lock which send rpc can produce block for destroy + obd objects and this also block reconnect with -EALREADY. This isn't + fix all lprocfs bugs - but make it rare. + +Severity : enhancement +Bugzilla : 15152 +Description: Update kernel to RHEL5 2.6.18-53.1.14.el5. + +Severity : major +Frequency : frequent on X2 node +Bugzilla : 15010 +Description: mdc_set_open_replay_data LBUG +Details : Set replay data for requests that are eligible for replay. + +Severity : normal +Bugzilla : 14321 +Description: lustre_mgs: operation 101 on unconnected MGS +Details : When MGC is disconnected from MGS long enough, MGS will evict the + MGC, and late on MGC cannot successfully connect to MGS and a lot + of the error messages complaining that MGS is not connected. + +Severity : major +Frequency : on start mds +Bugzilla : 14884 +Description: Implement get_info(last_id) in obdfilter. + +Severity : normal +Frequency : occasional +Bugzilla : 13537 +Description: Correctly check stale fid, not start epoch if ost not support SOM +Details : open with flag O_CREATE need set old fid in op_fid3 because op_fid2 + overwrited with new generated fid, but mds can anwer with one of these + two fids and both is not stale. setattr incorectly start epoch and + assume will be called done_writeting, but without SOM done_writing + never called. + +Severity : major +Frequency : rare, depends on device drivers and load +Bugzilla : 14529 +Description: MDS or OSS nodes crash due to stack overflow +Details : Code changes in 1.8.0 increased the stack usage of some functions. + In some cases, in conjunction with device drivers that use a lot + of stack the MDS (or possibly OSS) service threads could overflow + the stack. One change which was identified to consume additional + stack has been reworked to avoid the extra stack usage. + +Severity : normal +Frequency : occasional +Bugzilla : 13730 +Description: Do not fail import if osc_interpret_create gets -EAGAIN +Details : If osc_interpret_create got -EAGAIN it immediately exits and + wakeup oscc_waitq. After wakeup oscc_wait_for_objects call + oscc_has_objects and see OSC has no objests and call + oscc_internal_create to resend create request. + +Severity : enhancement +Bugzilla : 14858 +Description: Update to SLES10 SP1 latest kernel-2.6.16.54-0.2.5. + +Severity : enhancement +Bugzilla : 14876 +Description: Update to RHEL5 latest kernel-2.6.18-53.1.13.el5. + +Severity : normal +Frequency : very rare +Bugzilla : 3462 +Description: Fix replay if there is an un-replied request and open +Details : In some cases, older replay request will revert the + mcd->mcd_last_xid on MDS which is used to record the client's + latest sent request. + +Severity : enhancement +Bugzilla : 14720 +Description: Update to RHEL5 latest kernel-2.6.18-53.1.6.el5. + +Severity : enhancement +Bugzilla : 14482 +Description: Add rhel5 support to HEAD. + +Serverity : enhancement +Bugzilla : 14793 +Description: Update RHEL4 kernel to 2.6.9-67.0.4. + +Severity : minor +Frequency : rare +Bugzilla : 13196 +Description: Don't allow skipping OSTs if index has been specified. +Details : Don't allow skipping OSTs if index has been specified, make locking + in internal create lots better. + +Severity : normal +Bugzilla : 12228 +Description: LBUG in ptlrpc_check_set() bad phase ebc0de00 +Details : access to bitfield in structure is always rounded to long + and this produce problem with not atomic change any bit. + +Severity : normal +Bugzilla : 13647 +Description: Lustre make rpms failed. +Details : Remove ldiskfs spec file to avoids rpmbuild be confused when + builds Lustre rpms from tarball. + +Severity : normal +Frequency : rare on shutdown ost +Bugzilla : 14608 +Description: If llog cancel was not send before clean_exports phase, this can + produce deadlock in llog code. +Details : If llog thread has last reference to obd and call class_import_put + this produce deadlock because llog_cleanup_commit_master wait when + last llog_commit_thread exited, but this never success because was + called from llog_commit_thread. + +Severity : normal +Bugzilla : 9977 +Description: allow userland application know is lost one of stripes. +Details : fill lvb_blocks with error code on ost and return it to + application if error flag found. + +Severity : normal +Bugzilla : 14607 +Description: NULL lov_tgts causing MDS oops +Details : more safe checks for NULL lov_tgts for avoid oops. + +Severity : enhancement +Bugzilla : 14531 +Description: Update to RHEL4 latest kernel-2.6.9-67.0.1.EL. + +Severity : normal +Bugzilla : 13375 +Descriptoin: make lov_create() will not stuck in obd_statfs_rqset() +Details : If an OST is down the MDS will hang indefinitely in + obd_statfs_rqset() waiting for the statfs data. While for + MDS QOS usage of statfs, it should not stuck in waiting. + +Severity : enhancement +Bugzilla : 11842 +Description: remote_acl support +Details : Support ACL-based permission check for remote user. + Support setfacl/getfacl for remote user with the utils + "lfs {l,r}{s,g}etfacl" which follow the same parameter format as + the system "{s,g}etfacl" utils. + +Severity : enhancement +Bugzilla : 14288 +Description: Update to RHEL4 U6 kernel-2.6.9-67.EL. + +Severity : enhancement +Bugzilla : 14368 +Description: Update to RHEL5 latest kernel-2.6.18-53.1.4.el5. + +Severity : normal +Bugzilla : 14136 +Description: make mgs_setparam() handle fsname containing dash +Details : fsname containing a dash does not work with lctl conf_param + +Severity : enhancement +Bugzilla : 14388 +Description: Update to SLES10 SP1 latest kernel-2.6.16.54-0.2.3. + +Severity : enhancement +Bugzilla : 14289 +Description: Update to RHEL5 Update-1 kernel 2.6.18-53.el5. + +Severity : major +Bugzilla : 14260 +Frequency : rare, at shutdown +Description: access already free / zero obd_namespace. +Details : if client_disconnect_export was called without force flag set, + and exist connect request in flight, this can produce access to + NULL pointer (or already free pointer) when connect_interpret + store ocd flags in obd_namespace. + +Severity : minor +Bugzilla : 14418 +Frequency : only at startup +Description: not alloc memory with spinlock held. +Details : allocation memory with GFP_KERNEL can produce sleep deadlock, + if any spinlock held. + +Severity : enhancement +Bugzilla : 12211 +Description: make lustre randomly fail allocating memory +Details : Make lustre randomly failed allocating memory for testing purpose. + +Severity : enhancement +Bugzilla : 12702 +Description: lost problems with lov objid file +Details : Fixes some scability and access to not inited memory problems + in work with lov objdid file. + +Severity : major +Frequency : always +Bugzilla : 14270 +Description: lfs find does not continue on file error +Details : Continue other files processing when a file/dir is absent. + +Severity : normal +Bugzilla : 11791 +Description: Inconsistent usage of lustre_pack_reply() +Details : Standardize the usage of lustre_pack_reply() such that it + always generate a CERROR on failure. + +Severity : major +Frequency : occasional +Bugzilla : 13917 +Description: MDS hang or stay in waiting lock +Details : If client receive lock with CBPENDING flag ldlm need send lock + cancel as separate rpc, to avoid situation when cancel request + can't processed due all i/o threads stay in wait lock. Severity : normal -Bugzilla : 13568 -Description: Remove 2.4 kernel support from lustre 1.8.0 -Details : Remove 2.5.0 check from quota_check.c, quota_ctl.c, - quota_interface.c in quota subsystem. - Remove 2.4 kernel check from obd_mount.c, linux/linux-sysctl.c in - obdclass subsystem. - Remove lock_24kernel from fsfilt_ext3.c fsfilt_reiserfs.c - lvfs_linux.c upcall_cache.c in lvfs subsystem. - Remove 2.5.0 check from dcache.c dir.c file.c llite_internal.h - llite_lib.c llite_mmap.c lproc_llite.c namei.c rw.c symlink.c - in llite subsystem. - Remove 2.5.0 check from handler.c lproc_mds.c mds_fs.c - mds_internal.h mds_lib.c mds_open.c mds_reint.c mds_xattr.c - in mds subsystem. - Remove 2.4 kernel check from lproc_osc.c, osc_request.c in osc - subsystem. - Remove 2.4 kernel check from filter.c, lproc_obdfilter.c in - obdfilter subsystem. - Remove 2.4 kernel code from lustre/obdecho/echo_client.c. - Remove 2.4 kernel check from lustre/mgs/lproc_mgs.c, - lustre/mgs/mgs_fs.c. +Bugzilla : 13969 +Description: Update to RHEL5 kernel 2.6.18-8.1.15.el5. + +Severity : normal +Bugzilla : 13874 +Description: Update to SLES10 SP1 kernel 2.6.16.53-0.16 + +Severity : normal +Bugzilla : 13889 +Description: Update to SLES9 kernel-2.6.5-7.287.3. + +Severity : normal +Bugzilla : 14041 +Description: Update to RHEL4 latest kernel. Severity : enhancement Bugzilla : 13690 Description: Build SLES10 patchless client fails -Details : The configure was broken by run ./configure with - --with-linux-obj=.... argument for patchless client. When the +Details : The configure was broken by run ./configure with + --with-linux-obj=.... argument for patchless client. When the configure use --with-linux-obj, the LINUXINCLUDE= -Iinclude - can't search header adequately. Use absolute path such as - -I($LINUX)/include instead. + can't search header adequately. Use absolute path such as + -I($LINUX)/include instead. Severity : normal Bugzilla : 13888 Description: interrupt oig_wait produce painc on resend. Details : brw_redo_request can be used for resend requests from ptlrpcd and private set, and this produce situation when rq_ptlrpcd_data not - copyed to new allocated request and triggered LBUG on assert + copyed to new allocated request and triggered LBUG on assert req->rq_ptlrpcd_data != NULL. But this member used only for wakeup ptlrpcd set if request is changed and can be safety changed to use rq_set directly. @@ -58,8 +274,8 @@ Severity : normal Bugzilla : 13497 Description: LASSERT_{REQ,REP}SWAB macros are buggy Details : If SWAB_PARANOIA is disabled, the LASSERT_REQSWAB and - LASSERT_REPSWAB macros become no-ops, which is incorrect. Drop - these macros and replace them with their difinitions instead. + LASSERT_REPSWAB macros become no-ops, which is incorrect. Drop + these macros and replace them with their difinitions instead. Severity : normal Bugzilla : 13521 @@ -69,16 +285,16 @@ Details : Update which_patch & target file for SLES10 latest kernel. Bugzilla : 12411 Description: Remove client patches from SLES 10 kernel. Details : This causes SLES 10 clients to behave as patchless clients - even on a Lustre-patched (server) kernel. + even on a Lustre-patched (server) kernel. Severity : enhancement Bugzilla : 2262 Description: self-adjustable client's lru lists -Details : use adaptive algorithm for managing client cached locks lru - lists according to current server load, other client's work - pattern, memory activities, etc. Both, server and client - side namespaces provide number of proc tunables for controlling - things +Details : use adaptive algorithm for managing client cached locks lru + lists according to current server load, other client's work + pattern, memory activities, etc. Both, server and client + side namespaces provide number of proc tunables for controlling + things Severity : enhancement Bugzilla : 13641 @@ -199,7 +415,7 @@ Details : set obd_health_check_timeout as 1.5x of obd_timeout Severity : normal Bugzilla : 12192 Description: llapi_file_create() does not allow some changes -Details : add llapi_file_open() that allows specifying the mode and +Details : add llapi_file_open() that allows specifying the mode and open flags, and also returns an open file handle. Severity : normal @@ -210,9 +426,9 @@ Details : Remove mnt_lustre_list in vfs_intent-2.6-rhel4.patch. Severity : normal Bugzilla : 10657 Description: Add journal checksum support.(Kernel part) -Details : The journal checksum feature adds two new flags i.e - JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT and - JBD2_FEATURE_COMPAT_CHECKSUM. JBD2_FEATURE_CHECKSUM flag +Details : The journal checksum feature adds two new flags i.e + JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT and + JBD2_FEATURE_COMPAT_CHECKSUM. JBD2_FEATURE_CHECKSUM flag indicates that the commit block contains the checksum for the blocks described by the descriptor blocks. Now commit record can be sent to disk without waiting for descriptor @@ -232,7 +448,7 @@ Details : execute lfs setstripe on client Severity : major Bugzilla : 12223 Description: mds_obd_create error creating tmp object -Details : When the user sets quota on root, llog will be affected and can't +Details : When the user sets quota on root, llog will be affected and can't create files and write files. Severity : normal @@ -240,7 +456,7 @@ Frequency : Always on ia64 patchless client, and possibly others. Bugzilla : 12826 Description: Add EXPORT_SYMBOL check for node_to_cpumask symbol. Details : This allows the patchless client to be loaded on architectures - without this export. + without this export. Severity : normal Bugzilla : 13039 @@ -276,9 +492,10 @@ Details : Make lfs setstripe understand 'k', 'm' and 'g' for stripe size. Severity : normal Bugzilla : 12398 -Description: testing performance impact of enabling checksumming -Details : enable checksum by default, allow --disable-checksum - configure option and "-o nochecksum" mount option +Description: enable data checksumming by default +Details : enable checksum by default, allow --disable-checksum + configure option and "-o nochecksum" mount option. Checksums + can also be disabled at runtime via $LPROC/osc/*/checksum_pages. Severity : normal Bugzilla : 11802 @@ -317,7 +534,7 @@ Details : When generating the bio request for lustre file writes the Severity : normal Bugzilla : 11230 -Description: Tune the kernel for good SCSI performance. +Description: Tune the kernel for good SCSI performance. Details : Set the value of /sys/block/{dev}/queue/max_sectors_kb to the value of /sys/block/{dev}/queue/max_hw_sectors_kb in mount_lustre. @@ -359,8 +576,8 @@ Frequency : only on ppc Bugzilla : 12234 Description: /proc/fs/lustre/devices broken on ppc Details : The patch as applied to 1.6.2 doesn't look correct for all arches. - We should make sure the type of 'index' is loff_t and then cast - explicitly as needed below. Do not assign an explicitly cast + We should make sure the type of 'index' is loff_t and then cast + explicitly as needed below. Do not assign an explicitly cast loff_t to an int. Severity : normal @@ -378,17 +595,16 @@ Details : fix set/restore device id for avoid EMFILE error and mark lustre fs Severity : normal Bugzilla : 13304 Frequency : Always, for kernels after 2.6.16 -Description: Fix warning idr_remove called for id=.. which is not - allocated. -Details : Last kernels save old s_dev before kill super and not allow - to restore from callback - restore it before call kill_anon_super. +Description: Fix warning idr_remove called for id=.. which is not allocated. +Details : Last kernels save old s_dev before kill super and not allow + to restore from callback - restore it before call kill_anon_super. Severity : minor Bugzilla : 12948 Description: buffer overruns could theoretically occur Details : llapi_semantic_traverse() modifies the "path" argument by - appending values to the end of the origin string, and a - overrun may occur. Adding buffer overrun check in liblustreapi. + appending values to the end of the origin string, and a + overrun may occur. Adding buffer overrun check in liblustreapi. Severity : normal Bugzilla : 13334 @@ -404,42 +620,42 @@ Severity : normal Bugzilla : 13452 Description: Kernel config for 2.6.18-vanilla. Details : Modify targets/2.6-vanilla.target.in. - Add config file kernel-2.6.18-2.6-vanilla-i686.config. - Add config file kernel-2.6.18-2.6-vanilla-i686-smp.config. - Add config file kernel-2.6.18-2.6-vanilla-x86_64.config. - Add config file kernel-2.6.18-2.6-vanilla-x86_64-smp.config. + Add config file kernel-2.6.18-2.6-vanilla-i686.config. + Add config file kernel-2.6.18-2.6-vanilla-i686-smp.config. + Add config file kernel-2.6.18-2.6-vanilla-x86_64.config. + Add config file kernel-2.6.18-2.6-vanilla-x86_64-smp.config. Severity : major Bugzilla : 11710 Description: improve handling recoverable errors Details : if request processig with error which can be recoverable on server - request should be resend, otherwise page released from cache and - marked as error. + request should be resend, otherwise page released from cache and + marked as error. Severity : critical Bugzilla : 13751 Description: Kernel patches update for RHEL5 2.6.18-8.1.14.el5. Details : Modify target file & which_patch. - A flaw was found in the IA32 system call emulation provided - on AMD64 and Intel 64 platforms. An improperly validated 64-bit - value could be stored in the %RAX register, which could trigger an - out-of-bounds system call table access. An untrusted local user - could exploit this flaw to run code in the kernel - (ie a root privilege escalation). (CVE-2007-4573). + A flaw was found in the IA32 system call emulation provided + on AMD64 and Intel 64 platforms. An improperly validated 64-bit + value could be stored in the %RAX register, which could trigger an + out-of-bounds system call table access. An untrusted local user + could exploit this flaw to run code in the kernel + (ie a root privilege escalation). (CVE-2007-4573). Severity : major Bugzilla : 13093 Description: O_DIRECT bypasses client statistics. Details : When running with O_DIRECT I/O, neither the client rpc_stats nor - read_ahead_stats were updated. copied the stats section from - osc_send_oap_rpc() into async_internal(). + read_ahead_stats were updated. copied the stats section from + osc_send_oap_rpc() into async_internal(). Severity : normal Bugzilla : 13454 Description: Add jbd statistics patch for RHEL5 and 2.6.18-vanilla Severity : minor -Bugzilla : 13732 +Bugzilla : 13732 Description: change order of libsysio includes Details : '#include sysio.h' should always come before '#include xtio.h' @@ -447,28 +663,28 @@ Severity : normal Bugzilla : 11673 Description: handle "serious error: objid * already exists" more gracefully Details : If LAST_ID value on disk is smaller than the objects existing in - the O/0/d* directories, it indicates disk corruption and causes an - LBUG(). If the object is 0-length, then we should use the existing - object. This will help to avoid a full fsck in most cases. + the O/0/d* directories, it indicates disk corruption and causes an + LBUG(). If the object is 0-length, then we should use the existing + object. This will help to avoid a full fsck in most cases. Severity : enhancement Bugzilla : 13207 Description: adapt the lustre_config script to support the upgrade case Details : Add "-u" option for lustre_config script to support upgrading 1.4 - server targets to 1.6 in parallel. + server targets to 1.6 in parallel. 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 - full. + full. Without this patch you might see the error "grant XXXX > + 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 - 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. + check the left space by if (*left > ungranted + bytes), instead + 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. Severity : critical Bugzilla : 13748 @@ -477,7 +693,6 @@ Details : Update to the latest RHEL 4 kernel to fix the vulnerability described in CVE-2007-4573. This problem could allow untrusted local users to gain root access. - Severity : normal Frequency : when using O_DIRECT and quotas Bugzilla : 13930 @@ -485,6 +700,177 @@ Description: Incorrect file ownership on O_DIRECT output files Details : block usage reported by 'lfs quota' does not take into account files that have been written with O_DIRECT. +Severity : normal +Frequency : always +Bugzilla : 13976 +Description: touch file failed when fs is not full +Details : OST in recovery should not be discarded by MDS in alloc_qos(), + otherwise we can get ENOSP while fs is not full. + +Severity : normal +Bugzilla : 11301 +Description: parallel lock callbacks +Details : Instead of sending blocking and completion callbacks as separated + requests, adding them to a set and sending in parallel. + +Severity : normal +Frequency : only for Cray XT3 +Bugzilla : 12829/13455 +Description: Changing primary group doesn't change the group lustre assigns to + a file +Details : When CRAY_XT3 is defined, the fsgid supplied by the client is + overridden with the primary group provided by the group upcall, + whereas the supplied fsgid can be trusted if it is in the list of + supplementary groups returned by the group upcall. + +Severity : enhancement +Bugzilla : 14398 +Description: Allow masking D_WARNING, D_ERROR messages from console +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 +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. + +Severity : normal +Bugzilla : 14225 +Description: LDLM_ENQUEUE races with LDLM_CP_CALLBACK +Details : ldlm_completion_ast() assumes that a lock is granted when the req + mode is equal to the granted mode. However, it should also check + that LDLM_FL_CP_REQD is not set. + +Severity : normal +Bugzilla : 14360 +Description: Heavy nfs access might result in deadlocks +Details : After ELC code landed, it is now improper to enqueue any mds + locks under och_sem, because enqueue might want to decide to + cancel open locks for same inode we are holding och_sem for. + +Severity : normal +Bugzilla : 13843 +Description: Client eviction while running blogbench +Details : A lot of unlink operations with concurrent I/O can lead to a + deadlock causing evictions. To address the problem, the number of + oustanding OST_DESTROY requests is now throttled to + max_rpcs_in_flight per OSC and LDLM_FL_DISCARD_DATA blocking + callbacks are processed in priority. + +Severity : normal +Bugzilla : 13829 +Description: enable ACLs on MDS by default +Details : ACLs must be enabled on MDS by default. + +Severity : normal +Frequency : PPC/PPC64 only +Bugzilla : 14845 +Description: conflicts between asm-ppc64/types.h and lustre_types.h +Details : fix duplicated definitions between asm-ppc64/types.h and + lustre_types.h on PPC. + +Severity : normal +Frequency : PPC/PPC64 only +Bugzilla : 14844 +Description: asm-ppc/segment.h does not exist +Details : fix compile issue on PPC. + +Severity : normal +Bugzilla : 14864 +Description: better handle error messages in extents code + +Severity : normal +Frequency : RHEL4 only +Bugzilla : 14618 +Description: mkfs is very slow on IA64/RHEL4 +Details : A performance regression has been discovered in the MPT Fusion + driver between versions 3.02.73rh and 3.02.99.00rh. As a + consequence, we have downgraded the MPT Fusion driver in the RHEL4 + kernel from 3.02.99.00 to 3.02.73 until this problem is fixed. + +Severity : enhancement +Bugzilla : 14729 +Description: SNMP support enhancement +Details : Adding total number of sampled request for an MDS node in snmp + support. + +Severity : enhancement +Bugzilla : 14748 +Description: Optimize ldlm waiting list processing for PR extent locks +Details : When processing waiting list for read extent lock and meeting read + lock that is same or wider to it that is not contended, skip + processing rest of the list and immediatelly return current + status of conflictness, since we are guaranteed there are no + conflicting locks in the rest of the list. + +Severity : normal +Bugzilla : 14774 +Description: Time out and refuse to reconnect +Details : When the failover node is the primary node, it is possible + to have two identical connections in imp_conn_list. We must + compare not conn's pointers but NIDs, otherwise we can defeat + connection throttling. + +Severity : normal +Bugzilla : 13821 +Description: port llog fixes from b1_6 into HEAD +Details : Port llog reference couting and some llog cleanups from b1_6 + (bug 10800) into HEAD, for protect from panic and access to already + free llog structures. + +Severity : normal +Bugzilla : 14483 +Description: Detect stride IO mode in read-ahead +Details : When a client does stride read, read-ahead should detect that and + read-ahead pages according to the detected stride pattern. + +Severity : normal +Bugzilla : 13805 +Description: data checksumming impacts single node performance +Details : add support for several checksum algorithm. Currently, only CRC32 + and Adler-32 are supported. The checksum type can be changed on + the fly via /proc/fs/lustre/osc/*/checksum_type. + +Severity : normal +Bugzilla : 14648 +Description: use adler32 for page checksums +Details : when available, use the Adler-32 algorithm instead of CRC32 for + page checksums. + +Severity : normal +Bugzilla : 15033 +Description: build for x2 fails +Details : fix compile issue on Cray systems. + +Severity : normal +Bugzilla : 14379 +Description: Properly match for duplicate locks +Details : Due to different lock order from skiplists code, we need to + traverse entire list for now + +Severity : normal +Frequency : only on PPC/SLES10 +Bugzilla : 14855 +Description: "BITS_PER_LONG is not 32 or 64" in linux/idr.h +Details : On SLES10/PPC, fs.h includes idr.h which requires BITS_PER_LONG to + be defined. Add a hack in mkfs_lustre.c to work around this compile + issue. + +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 + just exclude such locks from consideration. + +Severity : normal +Bugzilla : 15188 +Description: MDS deadlock with many ll_sync_lov threads and I/O stalled +Details : Use fsfilt_sync() for both the whole filesystem sync and + individual file sync to eliminate dangerous inode locking + with I_LOCK that can lead to a deadlock. + -------------------------------------------------------------------------------- 2007-08-10 Cluster File Systems, Inc. @@ -781,9 +1167,7 @@ Details : dev_clear_rdonly(bdev) must be called in kill_bdev() instead of Severity : minor Bugzilla : 11706 Description: service threads may hog cpus when there are a lot of requests - coming -Details : Insert cond_resched to give other threads a chance to use some of - the cpu +Details : Insert cond_resched to give other threads a chance to use some CPU Severity : normal Frequency : rare @@ -799,44 +1183,50 @@ Severity : normal Bugzilla : 12597 Description: brw_stats were being printed incorrectly Details : brw_stats were being printed as log2 but all of them were not - recorded as log2. Also remove some code duplication arising from - filter_tally_{read,write}. + recorded as log2. Also remove some code duplication arising from + filter_tally_{read,write}. Severity : normal Bugzilla : 11674 Frequency : rare, only in recovery. Description: ASSERTION(req->rq_type != LI_POISON) failed Details : imp_lock should be held while iterating over imp_sending_list for - prevent destroy request after get timeout in ptlrpc_queue_wait. + prevent destroy request after get timeout in ptlrpc_queue_wait. Severity : normal Bugzilla : 12689 Description: replay-single.sh test 52 fails Details : A lock's skiplist need to be cleanup when it being unlinked - from its resource list. + from its resource list. Severity : normal Bugzilla : 11737 Description: Short directio read returns full requested size rather than - actual amount read. + actual amount read. Details : Direct I/O operations should return actual amount of bytes - transferred rather than requested size. + transferred rather than requested size. Severity : enhancement Bugzilla : 10589 Description: metadata RPC reduction (e.g. for rm performance) Details : decrease the amount of synchronous RPC between clients and servers - by canceling conflicing lock before the operation on the client side - and packing thier handles into the main operation RPC to server. + by canceling conflicing lock before the operation on the client + and packing thier handles into the main operation RPC to server. Severity : enhancement Bugzilla : 4900 Description: Async OSC create to avoid the blocking unnecessarily. Details : If a OST has no remain object, system will block on the creating - when need to create a new object on this OST. Now, ways use - pre-created objects when available, instead of blocking on an - empty osc while others are not empty. If we must block, we block - for the shortest possible period of time. + when need to create a new object on this OST. Now, ways use + pre-created objects when available, instead of blocking on an + empty osc while others are not empty. If we must block, we block + for the shortest possible period of time. + +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 + lov_objid file. -------------------------------------------------------------------------------- @@ -859,7 +1249,7 @@ Details : The __iget() symbol export is missing. To avoid the need for this on patchless clients the deathrow inode reaper is turned off, and we depend on the VM to clean up old inodes. This dependency was during via the fix for bug 12181. - + -------------------------------------------------------------------------------- 2007-04-19 Cluster File Systems, Inc. @@ -914,8 +1304,7 @@ Severity : enhancement Bugzilla : 4226 Description: Permanently set tunables Details : All writable /proc/fs/lustre tunables can now be permanently - set on a per-server basis, at mkfs time or on a live - system. + set on a per-server basis, at mkfs time or on a live system. Severity : enhancement Bugzilla : 10547 @@ -932,15 +1321,15 @@ Severity : minor Bugzilla : 6062 Description: SPEC SFS validation failure on NFS v2 over lustre. Details : Changes the blocksize for regular files to be 2x RPC size, - and not depend on stripe size. + and not depend on stripe size. Severity : enhancement Bugzilla : 9293 Description: Multiple MD RPCs in flight. Details : Further unserialise some read-only MDS RPCs - learn about intents. - To avoid overly-overloading MDS, introduce a limit on number of - MDS RPCs in flight for a single client and add /proc controls - to adjust this limit. + To avoid overly-overloading MDS, introduce a limit on number of + MDS RPCs in flight for a single client and add /proc controls + to adjust this limit. Severity : enhancement Bugzilla : 22484