mirror_zfs/cmd/zed/zed.d/zed.rc
Tony Hutter 6078881aa1 Multipath autoreplace, control enclosure LEDs, event rate limiting
1. Enable multipath autoreplace support for FMA.

This extends FMA autoreplace to work with multipath disks.  This
requires libdevmapper to be installed at build time.

2. Turn on/off fault LEDs when VDEVs become degraded/faulted/online

Set ZED_USE_ENCLOSURE_LEDS=1 in zed.rc to have ZED turn on/off the enclosure
LED for a drive when a drive becomes FAULTED/DEGRADED.  Your enclosure must
be supported by the Linux SES driver for this to work.  The enclosure LED
scripts work for multipath devices as well.  The scripts will clear the LED
when the fault is cleared.

3. Rate limit ZIO delay and checksum events so as not to flood ZED

ZIO delay and checksum events are rate limited to 5/sec in the zfs module.

Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed by: Don Brady <don.brady@intel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #2449 
Closes #3017 
Closes #5159
2016-10-19 12:55:59 -07:00

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##
# zed.rc
#
# This file should be owned by root and permissioned 0600.
##
##
# Absolute path to the debug output file.
#
#ZED_DEBUG_LOG="/tmp/zed.debug.log"
##
# Email address of the zpool administrator for receipt of notifications;
# multiple addresses can be specified if they are delimited by whitespace.
# Email will only be sent if ZED_EMAIL_ADDR is defined.
# Disabled by default; uncomment to enable.
#
#ZED_EMAIL_ADDR="root"
##
# Name or path of executable responsible for sending notifications via email;
# the mail program must be capable of reading a message body from stdin.
# Email will only be sent if ZED_EMAIL_ADDR is defined.
#
#ZED_EMAIL_PROG="mail"
##
# Command-line options for ZED_EMAIL_PROG.
# The string @ADDRESS@ will be replaced with the recipient email address(es).
# The string @SUBJECT@ will be replaced with the notification subject;
# this should be protected with quotes to prevent word-splitting.
# Email will only be sent if ZED_EMAIL_ADDR is defined.
#
#ZED_EMAIL_OPTS="-s '@SUBJECT@' @ADDRESS@"
##
# Default directory for zed lock files.
#
#ZED_LOCKDIR="/var/lock"
##
# Minimum number of seconds between notifications for a similar event.
#
#ZED_NOTIFY_INTERVAL_SECS=3600
##
# Notification verbosity.
# If set to 0, suppress notification if the pool is healthy.
# If set to 1, send notification regardless of pool health.
#
#ZED_NOTIFY_VERBOSE=0
##
# Pushbullet access token.
# This grants full access to your account -- protect it accordingly!
# <https://www.pushbullet.com/get-started>
# <https://www.pushbullet.com/account>
# Disabled by default; uncomment to enable.
#
#ZED_PUSHBULLET_ACCESS_TOKEN=""
##
# Pushbullet channel tag for push notification feeds that can be subscribed to.
# <https://www.pushbullet.com/my-channel>
# If not defined, push notifications will instead be sent to all devices
# associated with the account specified by the access token.
# Disabled by default; uncomment to enable.
#
#ZED_PUSHBULLET_CHANNEL_TAG=""
##
# Default directory for zed state files.
#
#ZED_RUNDIR="/var/run"
##
# Replace a device with a hot spare after N checksum errors are detected.
# Disabled by default; uncomment to enable.
#
#ZED_SPARE_ON_CHECKSUM_ERRORS=10
##
# Replace a device with a hot spare after N I/O errors are detected.
# Disabled by default; uncomment to enable.
#
#ZED_SPARE_ON_IO_ERRORS=1
##
# Turn on/off enclosure LEDs when drives get DEGRADED/FAULTED. This works for
# device mapper and multipath devices as well. Your enclosure must be
# supported by the Linux SES driver for this to work.
#
ZED_USE_ENCLOSURE_LEDS=1
##
# The syslog priority (e.g., specified as a "facility.level" pair).
#
#ZED_SYSLOG_PRIORITY="daemon.notice"
##
# The syslog tag for marking zed events.
#
#ZED_SYSLOG_TAG="zed"