Public bug reported:
During provisioning cloud-init adds an entry for the ephemeral disk in
/etc/fstab. After provisioning this entry is correct and points to
"/dev/disk/azure/resource-part1". This symlink is created dynamically by
66-azure-storage.rules.
For some reason after the first reboot cloud-init overwrites the fstab
entry and changes the "/dev/disk/azure/resource-part1" to the device
name that it points to, i.e. /dev/sdb1. However, this is incorrect
since /dev/sd* device names are not persistent.
Repro:
1) Provision an Ubuntu VM on Azure (I tested with 14.04.4)
2) The fstab entry for the ephemeral disk (/mnt) correctly points to
"/dev/disk/azure/resource-part1".
3) Reboot the VM (sudo reboot)
4) The fstab entry now incorrectly points to /dev/sdb1 instead of the symlink.
Impact:
There is a chance that the customer's ephemeral disk will not be mounted
properly if the device names change after a reboot.
** Affects: cloud-init (Ubuntu)
Importance: Undecided
Status: New
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1603222
Title:
Azure: incorrect entry in fstab for ephemeral disk
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1603222/+subscriptions
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
