consider setting root reserve to 0 on Juju-provided volumes

Bug #1895736 reported by Paul Collins
12
This bug affects 2 people
Affects Status Importance Assigned to Milestone
ubuntu-repository-cache (Juju Charms Collection)
Confirmed
Undecided
Unassigned

Bug Description

We have some mirrors set up with Juju-provided storage, and made calculations on sizing that assumed the space would all be available to charm-managed services.

However, the ext4 volumes we're getting from Juju have the default root reserve of 5% in place, so we can still run into ENOSPC despite having space free.

The charm should probably set the root reserve to 0 (tune2fs -m0) as part of its storage initialization.

Haw Loeung (hloeung)
Changed in ubuntu-repository-cache (Juju Charms Collection):
status: New → Confirmed
Revision history for this message
Junien Fridrick (axino) wrote :

Or take the 5% into account when calculating available disk space ?

https://www.redhat.com/archives/ext3-users/2009-January/msg00026.html says it shouldn't impact performance though, so up to you :)

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