improper simultaneity of fscks

Bug #1432030 reported by gregrwm on 2015-03-13
This bug affects 1 person
Affects Status Importance Assigned to Milestone
mountall (Ubuntu)

Bug Description

all fscks are scheduled and run simultaneously. for those on different spindles, that would be great. for those sharing a spindle, this is terribly inefficient. checking all filesystems on this box simultaneously spends nearly a half hour. when sorted out so that simultaneity is only across different spindles, it's done within a few minutes. that's the way it used to be, and still is on other distros.

i can certainly imagine mountall might be intending to have an algorithm that sorts simultaneity by spindles. if it intends it, it doesn't work.

even if such an algorithm usually worked well, fstab should still be interpreted such that if the fsck column specifies values greater than 2, then the simultaneity specified in fstab should be followed.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: mountall 2.54ubuntu1
ProcVersionSignature: Ubuntu 3.18.0-13.14-generic 3.18.5
Uname: Linux 3.18.0-13-generic i686
ApportVersion: 2.16.1-0ubuntu2
Architecture: i386
Date: Fri Mar 13 14:54:37 2015
InstallationDate: Installed on 2015-01-16 (56 days ago)
InstallationMedia: Lubuntu 15.04 "Vivid Vervet" - Alpha i386 (20150114)
ProcKernelCmdline: BOOT_IMAGE=/vmlinuz ro root=UUID=5116dd42-c618-49a4-885e-84c697b53abd panic=30
SourcePackage: mountall
UpgradeStatus: No upgrade log present (probably fresh install)

gregrwm (gregrwm) wrote :
Steve Langasek (vorlon) wrote :

I note that you've reported this bug from a machine running Ubuntu 15.04. Ubuntu 15.04 has recently switched to use systemd as its default init system, which means it will not use mountall at boot. You may want to check whether this problem exists when booting with systemd instead of upstart, and if so, to file a separate bug report against the systemd package.

Changed in mountall (Ubuntu):
importance: Undecided → Medium
status: New → Triaged
gregrwm (gregrwm) wrote :

quite unlike mountall, systemd does a good job of scheduling exactly as many simultaneous FSCKs as i have spindles.

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