b0ec4a42c8
Modify 0021-RHBZ-548874-add-find-multipaths.patch
Modify 0022-RHBZ-557845-RHEL5-style-partitions.patch
Add 0025-RHBZ-508827-update-multipathd-manpage.patch through
0101-RHBZ-631009-disable-udev-disk-rules-on-reload.patch
* sync with current state of RHEL6. Next release should include a updated
source tarball with most of these fixes rolled in.
Add 0102-RHBZ-690828-systemd-unit-file.patch
* Add Jóhann B. Guðmundsson's unit file for systemd.
* Add sub-package sysvinit for SysV init script.
Resolves: bz #690828
99 lines
3.7 KiB
Diff
99 lines
3.7 KiB
Diff
---
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libmultipath/dict.c | 2 +-
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multipath.conf.annotated | 4 ++--
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multipath.conf.defaults | 2 +-
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multipath.conf.synthetic | 2 +-
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multipath/multipath.conf.5 | 18 +++++++++++++++---
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5 files changed, 20 insertions(+), 8 deletions(-)
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Index: multipath-tools/libmultipath/dict.c
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===================================================================
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--- multipath-tools.orig/libmultipath/dict.c
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+++ multipath-tools/libmultipath/dict.c
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@@ -2181,7 +2181,7 @@ init_keywords(void)
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install_keyword("polling_interval", &polling_interval_handler, &snprint_def_polling_interval);
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install_keyword("udev_dir", &udev_dir_handler, &snprint_def_udev_dir);
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install_keyword("multipath_dir", &multipath_dir_handler, &snprint_def_multipath_dir);
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- install_keyword("selector", &def_selector_handler, &snprint_def_selector);
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+ install_keyword("path_selector", &def_selector_handler, &snprint_def_selector);
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install_keyword("path_grouping_policy", &def_pgpolicy_handler, &snprint_def_path_grouping_policy);
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install_keyword("getuid_callout", &def_getuid_callout_handler, &snprint_def_getuid_callout);
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install_keyword("prio", &def_prio_handler, &snprint_def_prio);
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Index: multipath-tools/multipath.conf.annotated
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===================================================================
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--- multipath-tools.orig/multipath.conf.annotated
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+++ multipath-tools/multipath.conf.annotated
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@@ -27,14 +27,14 @@
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# polling_interval 10
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#
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# #
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-# # name : selector
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+# # name : path_selector
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# # scope : multipath
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# # desc : the default path selector algorithm to use
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# # these algorithms are offered by the kernel multipath target
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# # values : "round-robin 0"
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# # default : "round-robin 0"
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# #
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-# selector "round-robin 0"
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+# path_selector "round-robin 0"
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#
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# #
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# # name : path_grouping_policy
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Index: multipath-tools/multipath.conf.defaults
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===================================================================
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--- multipath-tools.orig/multipath.conf.defaults
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+++ multipath-tools/multipath.conf.defaults
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@@ -4,7 +4,7 @@
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#defaults {
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# udev_dir /dev
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# polling_interval 5
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-# selector "round-robin 0"
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+# path_selector "round-robin 0"
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# path_grouping_policy failover
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# getuid_callout "/lib/udev/scsi_id --whitelisted --device=/dev/%n"
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# prio const
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Index: multipath-tools/multipath.conf.synthetic
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===================================================================
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--- multipath-tools.orig/multipath.conf.synthetic
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+++ multipath-tools/multipath.conf.synthetic
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@@ -5,7 +5,7 @@
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#defaults {
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# udev_dir /dev
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# polling_interval 10
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-# selector "round-robin 0"
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+# path_selector "round-robin 0"
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# path_grouping_policy multibus
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# getuid_callout "/lib/udev/scsi_id --whitelisted --device=/dev/%n"
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# prio const
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Index: multipath-tools/multipath/multipath.conf.5
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===================================================================
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--- multipath-tools.orig/multipath/multipath.conf.5
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+++ multipath-tools/multipath/multipath.conf.5
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@@ -81,10 +81,22 @@ default verbosity. Higher values increas
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levels are between 0 and 6; default is
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.I 2
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.TP
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-.B selector
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+.B path_selector
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The default path selector algorithm to use; they are offered by the
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-kernel multipath target. The only currently implemented is
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-.I "round-robin 0"
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+kernel multipath target. There are three selector algorithms.
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+.RS
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+.TP 12
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+.B "round-robin 0"
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+Loop through every path in the path group, sending the same amount of IO to
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+each.
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+.TP
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+.B "queue-length 0"
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+Send the next bunch of IO down the path with the least amount of outstanding IO.
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+.TP
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+.B "service-time 0"
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+Choose the path for the next bunch of IO based on the amount of outstanding IO
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+to the path and its relative throughput.
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+.RE
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.TP
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.B path_grouping_policy
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The default path grouping policy to apply to unspecified
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