On Mar 14, 2018, at 12:17 AM, Darrick J. Wong <darrick.wong@xxxxxxxxxx> wrote: > > From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > > Create an e2scrub_all command to find all ext* filesystems > and run an online scrub against them all. > > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Reviewed-by: Andreas Dilger <adilger@xxxxxxxxx> > --- > scrub/Makefile.in | 9 ++++- > scrub/e2scrub.conf.in | 3 ++ > scrub/e2scrub_all.8.in | 36 ++++++++++++++++++++ > scrub/e2scrub_all.in | 85 ++++++++++++++++++++++++++++++++++++++++++++++++ > 4 files changed, 131 insertions(+), 2 deletions(-) > create mode 100644 scrub/e2scrub_all.8.in > create mode 100644 scrub/e2scrub_all.in > > > diff --git a/scrub/Makefile.in b/scrub/Makefile.in > index a8bb06b..1744941 100644 > --- a/scrub/Makefile.in > +++ b/scrub/Makefile.in > @@ -11,8 +11,8 @@ INSTALL = @INSTALL@ > > @MCONFIG@ > > -PROGS= e2scrub > -MANPAGES= e2scrub.8 > +PROGS= e2scrub e2scrub_all > +MANPAGES= e2scrub.8 e2scrub_all.8 > CONFFILES= e2scrub.conf > > ifeq ($(HAVE_UDEV),yes) > @@ -29,6 +29,11 @@ e2scrub: $(DEP_SUBSTITUTE) e2scrub.in > $(Q) $(SUBSTITUTE_UPTIME) $(srcdir)/e2scrub.in $@ > $(Q) chmod a+x $@ > > +e2scrub_all: e2scrub_all.in > + $(E) " SUBST $@" > + $(Q) $(SUBSTITUTE_UPTIME) $(srcdir)/e2scrub_all.in $@ > + $(Q) chmod a+x $@ > + > %.8: %.8.in $(DEP_SUBSTITUTE) > $(E) " SUBST $@" > $(Q) $(SUBSTITUTE_UPTIME) $< $@ > diff --git a/scrub/e2scrub.conf.in b/scrub/e2scrub.conf.in > index d578cc7..69f997f 100644 > --- a/scrub/e2scrub.conf.in > +++ b/scrub/e2scrub.conf.in > @@ -8,3 +8,6 @@ > > # Arguments passed into e2fsck. > # e2fsck_opts="-vtt" > + > +# Set this to 1 to have e2scrub_all scrub all LVs, not just the mounted ones. > +# scrub_all=0 > diff --git a/scrub/e2scrub_all.8.in b/scrub/e2scrub_all.8.in > new file mode 100644 > index 0000000..ba3b873 > --- /dev/null > +++ b/scrub/e2scrub_all.8.in > @@ -0,0 +1,36 @@ > +.TH E2SCRUB 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@" > +.SH NAME > +e2scrub_all - check all mounted ext[234] filesystems for errors. > +.SH SYNOPSYS > +.B > +e2scrub_all [OPTION] > +.SH DESCRIPTION > +Searches the system for all LVM logical volumes containing an ext2, ext3, or > +ext4 file system, and checks them for problems. > +The checking is performed by invoking the > +.B e2scrub > +tool, which will look for corruptions. > +Corrupt filesystems will be tagged as having errors so that fsck will be > +invoked before the next mount. > +If no errors are encountered, > +.B fstrim > +will be called on the filesystem if it is mounted. > +See the > +.B e2scrub > +manual page for more information about how the checking is performed. > +.SH OPTIONS > +.TP > +\fB-A\fR > +Scrub all ext[234] filesystems even if they are not mounted. > +.TP > +\fB-r\fR > +Remove e2scrub snapshots but do not check anything. > +.TP > +\fB-V\fR > +Print version information and exit. > +.SH SEE ALSO > +.BR e2scrub "(8)" > +.SH AUTHOR > +Darrick J. Wong <darrick.wong@xxxxxxxxxx> > +.SH COPYRIGHT > +Copyright ©2018 Oracle. License is GPLv2+. <http://www.gnu.org/licenses/gpl-2.0.html> > diff --git a/scrub/e2scrub_all.in b/scrub/e2scrub_all.in > new file mode 100644 > index 0000000..b9e5dea > --- /dev/null > +++ b/scrub/e2scrub_all.in > @@ -0,0 +1,85 @@ > +#!/bin/bash > + > +# Copyright (C) 2018 Oracle. All Rights Reserved. > +# > +# Author: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > +# > +# This program is free software; you can redistribute it and/or > +# modify it under the terms of the GNU General Public License > +# as published by the Free Software Foundation; either version 2 > +# of the License, or (at your option) any later version. > +# > +# This program is distributed in the hope that it would be useful, > +# but WITHOUT ANY WARRANTY; without even the implied warranty of > +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > +# GNU General Public License for more details. > +# > +# You should have received a copy of the GNU General Public License > +# along with this program; if not, write the Free Software Foundation, > +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. > + > +scrub_all=0 > +conffile="@root_sysconfdir@/e2scrub.conf" > + > +test -f "${conffile}" && . "${conffile}" > + > +scrub_args="" > + > +print_help() { > + echo "Usage: $0 [OPTIONS]" > + echo " -A: Scrub all ext[234] filesystems even if not mounted." > + echo " -r: Remove e2scrub snapshots." > + echo " -V: Print version information and exit." > +} > + > +print_version() { > + echo "e2scrub_all @E2FSPROGS_VERSION@ (@E2FSPROGS_DATE@)" > +} > + > +while getopts "ArV" opt; do > + case "${opt}" in > + "A") scrub_all=1;; > + "r") scrub_args="${scrub_args} -r";; > + "V") print_version; exit 0;; > + *) print_help; exit 2;; > + esac > +done > +shift "$((OPTIND - 1))" > + > +# Find scrub targets, make sure we only do this once. > +ls_scrub_targets() { > + lsblk -o NAME,FSTYPE,MOUNTPOINT -p -P -n | while read vars; do > + eval "${vars}" > + > + # Skip non-ext[234] > + case "${FSTYPE}" in > + ext[234]) ;; > + *) continue;; > + esac > + > + # Skip unmounted filesystems unless -A > + if [ "${scrub_all}" -eq 0 ] && [ -z "${MOUNTPOINT}" ]; then > + continue; > + fi > + > + # Skip non-lvm devices and lvm snapshots > + lvm_vars="$(lvs --nameprefixes -o vg_name,lv_name,lv_role --noheadings "${NAME}" 2> /dev/null)" > + test $? -ne 0 && continue > + eval "${lvm_vars}" > + echo "${LVM2_LV_ROLE}" | grep -q "snapshot" && continue > + > + if [ -n "${MOUNTPOINT}" ]; then > + echo "${MOUNTPOINT}" > + else > + echo "${NAME}" > + fi > + done | sort | uniq > +} > + > +# Scrub any mounted fs on lvm by creating a snapshot and fscking that. > +stdin="$(realpath /dev/stdin)" > +ls_scrub_targets | while read tgt; do > + ${DBG} "@root_sbindir@/e2scrub" ${scrub_args} "${tgt}" < "${stdin}" > +done > + > +exit 0 > Cheers, Andreas
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