Public bug reported:
On 16.04.1, use lxd init with default responses (zfs, loopback, 10G).
Create container with lxc launch. Attempt to resize container root to
20G (larger than loopback file).
lxc set device root size 20G reports no error, but the container still
has a 1.1G root as shown by lxc exec <container> df -h
It would be ideal to have lxc throw an error of some kind when it does
not have enough space to complete the operation.
For documentation purposes, the fix is to grow the zfs.img file with
truncate, turn on ZFS autoexpand, then perform a zpool online resize.
After adding enough loopback device storage, the set command behaves
identically but achieves the intended result.
** Affects: lxc (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1636617
Title:
lxc set device root size fails silently when out of space
Status in lxc package in Ubuntu:
New
Bug description:
On 16.04.1, use lxd init with default responses (zfs, loopback, 10G).
Create container with lxc launch. Attempt to resize container root to
20G (larger than loopback file).
lxc set device root size 20G reports no error, but the container still
has a 1.1G root as shown by lxc exec <container> df -h
It would be ideal to have lxc throw an error of some kind when it does
not have enough space to complete the operation.
For documentation purposes, the fix is to grow the zfs.img file with
truncate, turn on ZFS autoexpand, then perform a zpool online resize.
After adding enough loopback device storage, the set command behaves
identically but achieves the intended result.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1636617/+subscriptions
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