mirror_zfs/configure.ac
Tony Hutter 6568379eea Fix statechange-led.sh & unnecessary libdevmapper warning
- Fix autoreplace behaviour on statechange-led.sh script.

ZED sends the following events on an auto-replace:

1. statechange: Disk goes UNAVAIL->ONLINE
2. statechange: Disk goes ONLINE->UNAVAIL
3. vdev_attach: Disk goes ONLINE

Events 1-2 happen when ZED first attempts to do an auto-online.  When that
fails, ZED then tries an auto-replace, generating the vdev_attach event in #3.

In the previous code, statechange-led was only looking at the UNAVAIL->ONLINE
transition to turn off the LED.  It ignored the #2 ONLINE->UNAVAIL transition,
assuming it was just the "old" VDEV going offline.  This is problematic, as
a drive can go from ONLINE->UNAVAIL when it's malfunctioning, and we don't want
to ignore that.

This new patch correctly turns on the fault LED every time a drive becomes
UNAVAIL.  It also monitors vdev_attach events to trigger turning off the LED
when an auto-replaced disk comes online.

- Remove unnecessary libdevmapper warning with --with-config=kernel

This fixes an unnecessary libdevmapper warning when building
--with-config=kernel.  Kernel code does not use libdevmapper, so the warning
is not needed.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #2375 
Closes #5312 
Closes #5331
2016-10-25 11:05:30 -07:00

311 lines
12 KiB
Plaintext

/*
* This file is part of the ZFS Linux port.
*
* Copyright (c) 2009 Lawrence Livermore National Security, LLC.
* Produced at Lawrence Livermore National Laboratory
* Written by:
* Brian Behlendorf <behlendorf1@llnl.gov>,
* Herb Wartens <wartens2@llnl.gov>,
* Jim Garlick <garlick@llnl.gov>
* LLNL-CODE-403049
*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
AC_INIT(m4_esyscmd(grep Name META | cut -d ':' -f 2 | tr -d ' \n'),
m4_esyscmd(grep Version META | cut -d ':' -f 2 | tr -d ' \n'))
AC_LANG(C)
ZFS_AC_META
AC_CONFIG_AUX_DIR([config])
AC_CONFIG_MACRO_DIR([config])
AC_CANONICAL_SYSTEM
AM_MAINTAINER_MODE
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AM_INIT_AUTOMAKE([subdir-objects])
AC_CONFIG_HEADERS([zfs_config.h], [
(mv zfs_config.h zfs_config.h.tmp &&
awk -f ${ac_srcdir}/config/config.awk zfs_config.h.tmp >zfs_config.h &&
rm zfs_config.h.tmp) || exit 1])
AC_PROG_INSTALL
AC_PROG_CC
AC_PROG_LIBTOOL
AM_PROG_AS
AM_PROG_CC_C_O
ZFS_AC_LICENSE
ZFS_AC_PACKAGE
ZFS_AC_CONFIG
ZFS_AC_DEBUG
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tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/Makefile
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zfs-script-config.sh
zfs.release
])
AC_OUTPUT
AS_IF([test "x$user_libdevmapper" != xyes && test "$ZFS_CONFIG" != kernel ], [
AC_MSG_WARN([Building without libdevmapper. Auto-replace, auto-online, \
and statechange-led.sh may not work correctly with device mapper vdevs.])
])