Public bug reported:
Problem description:
The script /usr/share/mdadm/checkarray exits before checking any array.
Steps to reproduce:
1) Check the status of every arrays
/usr/share/mdadm/checkarray --all --status
2) Expected output
md0: idle
3) Problematic output: nothing
Additional information:
When I tried to manually check my RAID1 array with
"/usr/share/mdadm/checkarray --all --status" I noticed it produced no
output. When I invoked it with "sh -x" and the same parameters as the
monthly checking cron job I noticed it was exiting early, before
performing any real check.
# sh -x /usr/share/mdadm/checkarray --cron --all --idle --quiet
...
+ [ 1 = 1 ]
+ + ls -d1 /sys/block/md0
cut -d/ -f4
+ arrays=md0
+ MDBASE=/sys/block/md0/md
+ [ ! -e /sys/block/md0/md/sync_action ]
+ read cur_status
#
Under Xenial, dash doesn't seem to like this instruction:
read cur_status < $MDBASE/sync_action
Oddly enough, it works just fine with Trusty's dash.
Software versions:
# lsb_release -rd
Description: Ubuntu 16.04 LTS
Release: 16.04
# apt-cache policy mdadm dash
mdadm:
Installed: 3.3-2ubuntu7.1
Candidate: 3.3-2ubuntu7.1
Version table:
*** 3.3-2ubuntu7.1 500
500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
100 /var/lib/dpkg/status
3.3-2ubuntu7 500
500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
dash:
Installed: 0.5.8-2.1ubuntu2
Candidate: 0.5.8-2.1ubuntu2
Version table:
*** 0.5.8-2.1ubuntu2 500
500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
100 /var/lib/dpkg/status
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: mdadm 3.3-2ubuntu7.1
ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
Uname: Linux 4.4.0-28-generic x86_64
NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: Unity
CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read
kernel buffer failed: Operation not permitted
Date: Wed Jul 6 04:36:29 2016
MDadmExamine.dev.sda: Error: command ['/sbin/mdadm', '-E', '/dev/sda'] failed
with exit code 1: mdadm: cannot open /dev/sda: Permission denied
MDadmExamine.dev.sda1: Error: command ['/sbin/mdadm', '-E', '/dev/sda1'] failed
with exit code 1: mdadm: cannot open /dev/sda1: Permission denied
MDadmExamine.dev.sda2: Error: command ['/sbin/mdadm', '-E', '/dev/sda2'] failed
with exit code 1: mdadm: cannot open /dev/sda2: Permission denied
MachineType: LENOVO 2516CTO
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-28-generic
root=/dev/mapper/crypt-xroot ro quiet splash
cryptopts=target=crypt,source=/dev/sda1,lvm=crypt-xroot possible_cpus=4
nmi_watchdog=0 kaslr vt.handoff=7
ProcMDstat:
Personalities :
unused devices: <none>
SourcePackage: mdadm
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/14/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: 6IET85WW (1.45 )
dmi.board.name: 2516CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr6IET85WW(1.45):bd02/14/2013:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2516CTO
dmi.product.version: ThinkPad T410
dmi.sys.vendor: LENOVO
etc.blkid.tab: Error: [Errno 2] No such file or directory: '/etc/blkid.tab'
modified.conffile..etc.logcheck.ignore.d.server.mdadm: [deleted]
modified.conffile..etc.logcheck.violations.d.mdadm: [deleted]
** Affects: mdadm (Ubuntu)
Importance: Undecided
Status: New
** Affects: mdadm (Debian)
Importance: Unknown
Status: Unknown
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1599428
Title:
checkarray doesn't work
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