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zed syslog entries drop important info

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ZED will log zevents summaries to the syslog, however the log entries 
tend to drop event details that can be useful for diagnosis. This is 
especially true for ereport events, like io, checksum, and delay.

Update the all-syslog.sh script to log additional event information.

Add an optional config option, ZED_SYSLOG_DISPLAY_GUIDS, to zed.rc
for choosing GUIDs over names for pool and vdev.

Change the default ZED_SYSLOG_SUBCLASS_EXCLUDE to exclude history_event 
events. These events tend to be frequent, convey no meaningful info, 
and are already logged in the zpool history.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Don Brady <don.brady@delphix.com>
Closes #10967
This commit is contained in:
Don Brady
2020-10-19 12:01:00 -06:00
committed by Brian Behlendorf
parent bd565f3e24
commit db75854cbb
5 changed files with 107 additions and 35 deletions
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cmd/zed/zed.d/zed.rc
+6 -1
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@@ -118,5 +118,10 @@ ZED_USE_ENCLOSURE_LEDS=1
# Otherwise, if ZED_SYSLOG_SUBCLASS_EXCLUDE is set, the
# matching subclasses are excluded from logging.
#ZED_SYSLOG_SUBCLASS_INCLUDE="checksum|scrub_*|vdev.*"
#ZED_SYSLOG_SUBCLASS_EXCLUDE="statechange|config_*|history_event"
ZED_SYSLOG_SUBCLASS_EXCLUDE="history_event"
##
# Use GUIDs instead of names when logging pool and vdevs
# Disabled by default, 1 to enable and 0 to disable.
#ZED_SYSLOG_DISPLAY_GUIDS=1