On 3/1/23 12:05, Neal Gompa wrote:
On Wed, Mar 1, 2023 at 12:10 PM Robert Schweikert <[email protected]> wrote:
/var/lib is discarded between reboots the data in /var/cache is
available after reboot into the new snapshot. Meaning if the cloud-init
data is not moved then it always looks like a new instance is being booted.
That sounds like a flaw in transactional-update. As a user, I would be
very surprised to see persistent data being thrown away. I would
expect /var/cache to be emptied, but not /var/lib. I think you need to
go back and fix that instead.
Indeed. /var/lib is where we store things like package manager metadata,
logrotate state, and much more. While it is true that /var is meant to
contain things frequently updated (as opposed to the relatively static
/etc), /var itself is not ephemeral and must survive reboots for
stateful machines/VMs. Specific directories within /var might be
ephemeral or mounted as tmpfs, such as /var/run or perhaps even /var/cache.
/var/lib, however, should be preserved. It sounds like /var/lib and
/var/cache are being used backwards in the situation described.
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