use grub-mount as the sole source of partition probes

Bug #1643614 reported by Obrouni on 2016-11-21
This bug affects 1 person
Affects Status Importance Assigned to Milestone
os-prober (Ubuntu)

Bug Description

Debian Bug has been fixed

Requesting for update to be applied and be available for Trusty and Xenial.

os-prober makes partitions read only whilst it scans them, this can cause corruption and loss of service in some uses cases. For example Ceph OSD's are taken offline if journal write happens as same time as os-probe. A Ceph cluster under heavy load will experience large numbers of crashing OSD's if update-grub is run.

There are also reports of LVM volumes and KVM guests becoming corrupted

tags: removed: upgrade-software-version
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