diff options
Diffstat (limited to '0026-RHBZ-549636-default-path-selector.patch')
| -rw-r--r-- | 0026-RHBZ-549636-default-path-selector.patch | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/0026-RHBZ-549636-default-path-selector.patch b/0026-RHBZ-549636-default-path-selector.patch new file mode 100644 index 0000000..4b7b460 --- /dev/null +++ b/0026-RHBZ-549636-default-path-selector.patch @@ -0,0 +1,98 @@ +--- + libmultipath/dict.c | 2 +- + multipath.conf.annotated | 4 ++-- + multipath.conf.defaults | 2 +- + multipath.conf.synthetic | 2 +- + multipath/multipath.conf.5 | 18 +++++++++++++++--- + 5 files changed, 20 insertions(+), 8 deletions(-) + +Index: multipath-tools/libmultipath/dict.c +=================================================================== +--- multipath-tools.orig/libmultipath/dict.c ++++ multipath-tools/libmultipath/dict.c +@@ -2181,7 +2181,7 @@ init_keywords(void) + install_keyword("polling_interval", &polling_interval_handler, &snprint_def_polling_interval); + install_keyword("udev_dir", &udev_dir_handler, &snprint_def_udev_dir); + install_keyword("multipath_dir", &multipath_dir_handler, &snprint_def_multipath_dir); +- install_keyword("selector", &def_selector_handler, &snprint_def_selector); ++ install_keyword("path_selector", &def_selector_handler, &snprint_def_selector); + install_keyword("path_grouping_policy", &def_pgpolicy_handler, &snprint_def_path_grouping_policy); + install_keyword("getuid_callout", &def_getuid_callout_handler, &snprint_def_getuid_callout); + install_keyword("prio", &def_prio_handler, &snprint_def_prio); +Index: multipath-tools/multipath.conf.annotated +=================================================================== +--- multipath-tools.orig/multipath.conf.annotated ++++ multipath-tools/multipath.conf.annotated +@@ -27,14 +27,14 @@ + # polling_interval 10 + # + # # +-# # name : selector ++# # name : path_selector + # # scope : multipath + # # desc : the default path selector algorithm to use + # # these algorithms are offered by the kernel multipath target + # # values : "round-robin 0" + # # default : "round-robin 0" + # # +-# selector "round-robin 0" ++# path_selector "round-robin 0" + # + # # + # # name : path_grouping_policy +Index: multipath-tools/multipath.conf.defaults +=================================================================== +--- multipath-tools.orig/multipath.conf.defaults ++++ multipath-tools/multipath.conf.defaults +@@ -4,7 +4,7 @@ + #defaults { + # udev_dir /dev + # polling_interval 5 +-# selector "round-robin 0" ++# path_selector "round-robin 0" + # path_grouping_policy failover + # getuid_callout "/lib/udev/scsi_id --whitelisted --device=/dev/%n" + # prio const +Index: multipath-tools/multipath.conf.synthetic +=================================================================== +--- multipath-tools.orig/multipath.conf.synthetic ++++ multipath-tools/multipath.conf.synthetic +@@ -5,7 +5,7 @@ + #defaults { + # udev_dir /dev + # polling_interval 10 +-# selector "round-robin 0" ++# path_selector "round-robin 0" + # path_grouping_policy multibus + # getuid_callout "/lib/udev/scsi_id --whitelisted --device=/dev/%n" + # prio const +Index: multipath-tools/multipath/multipath.conf.5 +=================================================================== +--- multipath-tools.orig/multipath/multipath.conf.5 ++++ multipath-tools/multipath/multipath.conf.5 +@@ -81,10 +81,22 @@ default verbosity. Higher values increas + levels are between 0 and 6; default is + .I 2 + .TP +-.B selector ++.B path_selector + The default path selector algorithm to use; they are offered by the +-kernel multipath target. The only currently implemented is +-.I "round-robin 0" ++kernel multipath target. There are three selector algorithms. ++.RS ++.TP 12 ++.B "round-robin 0" ++Loop through every path in the path group, sending the same amount of IO to ++each. ++.TP ++.B "queue-length 0" ++Send the next bunch of IO down the path with the least amount of outstanding IO. ++.TP ++.B "service-time 0" ++Choose the path for the next bunch of IO based on the amount of outstanding IO ++to the path and its relative throughput. ++.RE + .TP + .B path_grouping_policy + The default path grouping policy to apply to unspecified |