I'm using LXD 3.4 installed from snap on Ubuntu 18.04.
I'm trying to publish a ~100 GB container snapshot; unfortunately, it
ends with "no space left on device":
# time lxc publish mysql-prod-slave/2018-09-13-15h-08m-58s-daily --alias
db-testcontainer
Error: Failed to copy file content: write
/var/snap/lxd/common/lxd/images/lxd_build_309046357/lxd_build_tar_011920719:
no space left on device
real 1m14.851s
user 0m0.052s
sys 0m0.036s
My default and only storage has over 1.7 TB free:
# lxc storage list
+---------+-------------+--------+-----------+---------+
| NAME | DESCRIPTION | DRIVER | SOURCE | USED BY |
+---------+-------------+--------+-----------+---------+
| default | | btrfs | /data/lxd | 12 |
+---------+-------------+--------+-----------+---------+
# btrfs fi usage /data/lxd
Overall:
Device size: 5.18TiB
Device allocated: 1.98TiB
Device unallocated: 3.20TiB
Device missing: 0.00B
Used: 1.64TiB
Free (estimated): 1.76TiB (min: 1.76TiB)
Data ratio: 2.00
Metadata ratio: 2.00
Global reserve: 512.00MiB (used: 0.00B)
(...)
My root (/) partition is only 20 GB in size, which is why the process
fails.
Why isn't LXD using "default" storage for images? Is there a way to
persuade LXD to use the default storage also for temporary files when
publishing the images (/var/snap/lxd/common/lxd/images/)?
Tomasz Chmielewski
https://lxadm.com
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