On 2019-03-11 15:10:25 -0400, Theodore Ts'o wrote:
> Hmm, that message is coming from the lvcreate command. I'm not sure
> why it is failing. Can you try running:
>
> sudo bash -vx /sbin/e2scrub /
#!/bin/bash
# Copyright (C) 2018 Oracle. All Rights Reserved.
#
# Author: Darrick J. Wong <darrick.w...@oracle.com>
#
# 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.
# Automatically check a LVM-managed filesystem online.
# We use lvm snapshots to do this, which means that we can only
# check filesystems in VGs that have at least 256MB (or so) of
# free space.
snap_size_mb=256
+ snap_size_mb=256
fstrim=0
+ fstrim=0
reap=0
+ reap=0
e2fsck_opts=""
+ e2fsck_opts=
conffile="/etc/e2scrub.conf"
+ conffile=/etc/e2scrub.conf
test -f "${conffile}" && . "${conffile}"
+ test -f /etc/e2scrub.conf
+ . /etc/e2scrub.conf
# e2scrub configuration file
# e-mail destination used by e2scrub_fail when problems are found with
# the file system.
# recipient=root
# e-mail sender used by e2scrub_fail when problems are found with
# the file system.
# sender=e2sc...@host.domain.name
# Snapshots will be created to run fsck; the snapshot will be of this size.
# snap_size_mb=256
# Set this to 1 to enable fstrim for everyone.
# fstrim=0
# 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
print_help() {
echo "Usage: $0 [OPTIONS] mountpoint | device"
echo
echo "mountpoint must be on a LVM-managed block device"
echo "-r: Remove e2scrub snapshot and exit, do not check anything."
echo "-t: Run fstrim if successful."
echo "-V: Print version information and exit."
}
print_version() {
echo "e2scrub 1.45.0 (6-Mar-2019)"
}
exitcode() {
ret="$1"
# If we're being run as a service, the return code must fit the LSB
# init script action error guidelines, which is to say that we
# compress all errors to 1 ("generic or unspecified error", LSB 5.0
# section 22.2) and hope the admin will scan the log for what
# actually happened.
# We have to sleep 2 seconds here because journald uses the pid to
# connect our log messages to the systemd service. This is critical
# for capturing all the log messages if the scrub fails, because the
# fail service uses the service name to gather log messages for the
# error report.
if [ -n "${SERVICE_MODE}" ]; then
test "${ret}" -ne 0 && ret=1
sleep 2
fi
exit "${ret}"
}
while getopts "rtV" opt; do
case "${opt}" in
"r") reap=1;;
"t") fstrim=1;;
"V") print_version; exitcode 0;;
*) print_help; exitcode 2;;
esac
done
+ getopts rtV opt
shift "$((OPTIND - 1))"
+ shift 0
arg="$1"
+ arg=/
if [ -z "${arg}" ]; then
print_help
exitcode 1
fi
+ '[' -z / ']'
# Find the device for a given mountpoint
dev_from_mount() {
local mountpt="$(realpath "$1")"
lsblk -o NAME,FSTYPE,MOUNTPOINT -p -P -n 2> /dev/null | while read
vars; do
eval "${vars}"
if [ "${mountpt}" != "${MOUNTPOINT}" ]; then
continue
fi
case "${FSTYPE}" in
ext[234])
echo "${NAME}"
return 0
;;
esac
done
return 1
}
# Check a device argument
dev_from_arg() {
local dev="$1"
local fstype="$(lsblk -o FSTYPE -n "${dev}" 2> /dev/null)"
case "${fstype}" in
ext[234])
echo "${dev}"
return 0
;;
esac
return 1
}
mnt_from_dev() {
local dev="$1"
if [ -n "${dev}" ]; then
lsblk -o MOUNTPOINT -n "${dev}"
fi
}
# Construct block device path and mountpoint from argument
if [ -b "${arg}" ]; then
dev="$(dev_from_arg "${arg}")"
mnt="$(mnt_from_dev "${dev}")"
else
dev="$(dev_from_mount "${arg}")"
mnt="${arg}"
fi
+ '[' -b / ']'
++ dev_from_mount /
+++ realpath /
++ local mountpt=/
++ lsblk -o NAME,FSTYPE,MOUNTPOINT -p -P -n
++ read vars
++ eval 'NAME="/dev/sda" FSTYPE="" MOUNTPOINT=""'
+++ NAME=/dev/sda
+++ FSTYPE=
+++ MOUNTPOINT=
++ '[' / '!=' '' ']'
++ continue
++ read vars
++ eval 'NAME="/dev/sda1" FSTYPE="ext2" MOUNTPOINT="/boot"'
+++ NAME=/dev/sda1
+++ FSTYPE=ext2
+++ MOUNTPOINT=/boot
++ '[' / '!=' /boot ']'
++ continue
++ read vars
++ eval 'NAME="/dev/sda2" FSTYPE="" MOUNTPOINT=""'
+++ NAME=/dev/sda2
+++ FSTYPE=
+++ MOUNTPOINT=
++ '[' / '!=' '' ']'
++ continue
++ read vars
++ eval 'NAME="/dev/sda5" FSTYPE="crypto_LUKS" MOUNTPOINT=""'
+++ NAME=/dev/sda5
+++ FSTYPE=crypto_LUKS
+++ MOUNTPOINT=
++ '[' / '!=' '' ']'
++ continue
++ read vars
++ eval 'NAME="/dev/sr0" FSTYPE="" MOUNTPOINT=""'
+++ NAME=/dev/sr0
+++ FSTYPE=
+++ MOUNTPOINT=
++ '[' / '!=' '' ']'
++ continue
++ read vars
++ eval 'NAME="/dev/mapper/sda5_crypt" FSTYPE="LVM2_member" MOUNTPOINT=""'
+++ NAME=/dev/mapper/sda5_crypt
+++ FSTYPE=LVM2_member
+++ MOUNTPOINT=
++ '[' / '!=' '' ']'
++ continue
++ read vars
++ eval 'NAME="/dev/mapper/zira--vg-root" FSTYPE="ext4" MOUNTPOINT="/"'
+++ NAME=/dev/mapper/zira--vg-root
+++ FSTYPE=ext4
+++ MOUNTPOINT=/
++ '[' / '!=' / ']'
++ case "${FSTYPE}" in
++ echo /dev/mapper/zira--vg-root
++ return 0
++ return 1
+ dev=/dev/mapper/zira--vg-root
+ mnt=/
if [ ! -e "${dev}" ]; then
echo "${arg}: Not an ext[234] filesystem."
print_help
exitcode 16
fi
+ '[' '!' -e /dev/mapper/zira--vg-root ']'
# Make sure this is an LVM device we can snapshot
lvm_vars="$(lvs --nameprefixes -o name,vgname,lv_role --noheadings "${dev}" 2>
/dev/null)"
++ lvs --nameprefixes -o name,vgname,lv_role --noheadings
/dev/mapper/zira--vg-root
+ lvm_vars=' LVM2_LV_NAME='\''root'\'' LVM2_VG_NAME='\''zira-vg'\''
LVM2_LV_ROLE='\''public'\'''
eval "${lvm_vars}"
+ eval ' LVM2_LV_NAME='\''root'\'' LVM2_VG_NAME='\''zira-vg'\''
LVM2_LV_ROLE='\''public'\'''
LVM2_LV_NAME='root' LVM2_VG_NAME='zira-vg' LVM2_LV_ROLE='public'
++ LVM2_LV_NAME=root
++ LVM2_VG_NAME=zira-vg
++ LVM2_LV_ROLE=public
if [ -z "${LVM2_VG_NAME}" ] || [ -z "${LVM2_LV_NAME}" ] ||
echo "${LVM2_LV_ROLE}" | grep -q "snapshot"; then
echo "${arg}: Not connnected to a LVM logical volume."
print_help
exitcode 16
fi
+ '[' -z zira-vg ']'
+ '[' -z root ']'
+ echo public
+ grep -q snapshot
start_time="$(date +'%Y%m%d%H%M%S')"
++ date +%Y%m%d%H%M%S
+ start_time=20190312092731
snap="${LVM2_LV_NAME}.e2scrub"
+ snap=root.e2scrub
snap_dev="/dev/${LVM2_VG_NAME}/${snap}"
+ snap_dev=/dev/zira-vg/root.e2scrub
teardown() {
# Remove and wait for removal to succeed.
${DBG} lvremove -f "${LVM2_VG_NAME}/${snap}" 3>&-
while [ -e "${snap_dev}" ] && [ "$?" -eq "5" ]; do
sleep 0.5
${DBG} lvremove -f "${LVM2_VG_NAME}/${snap}" 3>&-
done
}
check() {
# First we recover the journal, then we see if e2fsck tries any
# non-optimization repairs. If either of these two returns a
# non-zero status (errors fixed or remaining) then this fs is bad.
E2FSCK_FIXES_ONLY=1
export E2FSCK_FIXES_ONLY
${DBG} "/sbin/e2fsck" -E journal_only -p ${e2fsck_opts} "${snap_dev}"
|| return $?
${DBG} "/sbin/e2fsck" -f -y ${e2fsck_opts} "${snap_dev}"
}
mark_clean() {
${DBG} "/sbin/tune2fs" -C 0 -T "${start_time}" "${dev}"
}
mark_corrupt() {
${DBG} "/sbin/tune2fs" -E force_fsck "${dev}"
}
setup() {
# Try to remove snapshot for 30s, bail out if we can't remove it.
lveremove_deadline="$(( $(date "+%s") + 30))"
${DBG} lvremove -f "${LVM2_VG_NAME}/${snap}" 3>&- 2>/dev/null
while [ -e "${snap_dev}" ] && [ "$?" -eq "5" ] &&
[ "$(date "+%s")" -lt "${lvremove_deadline}" ]; do
sleep 0.5
${DBG} lvremove -f "${LVM2_VG_NAME}/${snap}" 3>&-
done
if [ -e "${snap_dev}" ]; then
echo "${arg}: e2scrub snapshot is in use, cannot check!"
return 1
fi
# Create the snapshot, wait for device to appear.
${DBG} lvcreate -s -L "${snap_size_mb}m" -n "${snap}"
"${LVM2_VG_NAME}/${LVM2_LV_NAME}" 3>&-
if [ $? -ne 0 ]; then
echo "${arg}: e2scrub snapshot FAILED, will not check!"
return 1
fi
${DBG} udevadm settle 2> /dev/null
return 0
}
if [ "${reap}" -gt 0 ]; then
if [ -e "${snap_dev}" ]; then
teardown 2> /dev/null
fi
exit 0
fi
+ '[' 0 -gt 0 ']'
if ! setup; then
exitcode 8
fi
+ setup
++ date +%s
+ lveremove_deadline=1552379281
+ lvremove -f zira-vg/root.e2scrub
+ '[' -e /dev/zira-vg/root.e2scrub ']'
+ '[' -e /dev/zira-vg/root.e2scrub ']'
+ lvcreate -s -L 256m -n root.e2scrub zira-vg/root
Volume group "zira-vg" has insufficient free space (0 extents): 64 required.
+ '[' 5 -ne 0 ']'
+ echo '/: e2scrub snapshot FAILED, will not check!'
/: e2scrub snapshot FAILED, will not check!
+ return 1
+ exitcode 8
+ ret=8
+ '[' -n '' ']'
+ exit 8
> as well as sending me the output of "sudo lvs"
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync
Convert
root zira-vg -wi-ao---- 457.38g
swap_1 zira-vg -wi-ao---- 19.31g
--
Vincent Lefèvre <vinc...@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
