Branch b_release_1_8_0

b=19128
i=tappro
i=adilger

disable async journal commit on bulk write feature because of recovery issues.

diff --git a/lustre/ChangeLog b/lustre/ChangeLog
index 43292b5..17072e8 100644 (file)
--- a/lustre/ChangeLog
+++ b/lustre/ChangeLog
@@ -1,42 +1,13 @@
 2009-03-20 Sun Microsystems, Inc.
        * version 1.8.0
        * Support for kernels:
-        2.6.5-7.314 (SLES 9),
-        2.6.9-67.0.22.EL (RHEL 4),
         2.6.16.60-0.31 (SLES 10),
         2.6.18-92.1.17.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 - 2.6.22 vanilla (kernel.org)
-       * Client support for unpatched kernels:
-         we do not recommend using patchless RHEL4 clients with kernels
-         prior to 2.6.9-55EL (RHEL4U5).
        * 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).
-       * A new quota file format has been introduced in 1.6.5.
-         The format conversion from prior releases is handled transparently,
-         but releases older than 1.4.12/1.6.5 don't understand this new
-         format. The automatic format conversion can be avoided by running
-         the following command on the MDS:
-               'tunefs.lustre --param="mdt.quota_type=ug1" $MDTDEV'.
-         For more information, please refer to bugzilla 13904.
-       * A new quota file format was introduced in 1.6.6/1.8.0.
-         The format conversion from prior releases is handled transparently,
-         but releases older than 1.6.6/1.8.0 don't understand this new
-         format. The automatic format conversion can be avoided by running
-         the following commands on the MDS and OSS servers (for
-         pre 1.4.12-1.6.5 quota files):
-               'tunefs.lustre --param="mdt.quota_type=ug1" $MDTDEV',
-               'tunefs.lustre --param="ost.quota_type=ug1" $MDTDEV'
-               or (for 1.4.12/1.6.5 quota files)
-               'tunefs.lustre --param="mdt.quota_type=ug2" $MDTDEV',
-               'tunefs.lustre --param="ost.quota_type=ug2" $MDTDEV'
-         For more information, please refer to bugzilla 13904.
-       * Output of lfs quota has been made less detailed by default,
-         old (verbose) output can be obtained by using -v option.
        * File join has been disabled in this release, refer to Bugzilla 16929.
        * A new Lustre ADIO driver is available for MPICH2-1.0.7.
        * NFS export disabled when stack size < 8192. Since the NFSv4 export of
@@ -856,7 +827,11 @@ Severity   : enhancement
 Bugzilla   : 16919
 Descriptoin: Don't sync journal after every i/o
 Details    : Implement write RPC replay to allow server replies for write RPCs
-            before data is on disk.
+            before data is on disk. However, this feature is disabled by
+            default since some issues leading to data corruptions have been
+            found during recovery (e.g. bug 19128). This feature can be enabled
+            by running the following command on the OSSs:
+            lctl set_param obdfilter.*.sync_journal=0
 
 Severity   : low
 Bugzilla   : 18016

diff --git a/lustre/obdfilter/filter.c b/lustre/obdfilter/filter.c
index 2c46ea2..3a7326e 100644 (file)
--- a/lustre/obdfilter/filter.c
+++ b/lustre/obdfilter/filter.c
@@ -1941,7 +1941,7 @@ int filter_common_setup(struct obd_device *obd, obd_count len, void *buf,
         filter->fo_readcache_max_filesize = FILTER_MAX_CACHE_SIZE;
         filter->fo_fmd_max_num = FILTER_FMD_MAX_NUM_DEFAULT;
         filter->fo_fmd_max_age = FILTER_FMD_MAX_AGE_DEFAULT;
-        filter->fo_syncjournal = 0; /* Don't sync journals on i/o by default */
+        filter->fo_syncjournal = 1; /* Sync journals on i/o by default b=19128 */
 
         rc = filter_prep(obd);
         if (rc)