On Sep 16 2015, Martin van Es <[email protected]> wrote:
> When I use 2.16 upgrade, I get the following message:
>
> # s3ql.upgrade *****.******.******.*****
> Getting file system parameters..
>
> File system revision too old to upgrade!
You mean 2.14, not 2.16, right? There is no version 2.16 yet.
> The last S3QL version that supported this file system revision
> was 2.13. To run this version's s3qladm, proceed along
> the following steps:
Ops, it seems I forgot one intermediate version in my
instructions. Sorry about that.
So (for the benefit of other readers) the for updating from S3QL 1.16
(or any newer 1.x version) is:
1. Upgrade to 2.9
2. Upgrade to 2.12
3. Upgrade to 2.13
Switching to the most recent version (2.14) does not require another
update.
> 2.12 runs smoothly, but warns:
> It is strongly recommended to run the s3ql_verify command with the
> --data option as soon as possible. This is necessary to ensure that the
> upgrade to the next (2.11) S3QL release will run smoothly.
>
> That's a totally rediculous statement, since 2.11 was before 2.12?
Yes. That message was added in release 2.10 in the expectation that 2.11
would introduce some changes that required running s3ql_verify. However,
I did not get around to implement this until 2.13, so the warning
persists in 2.11 and 2.11 (because these versions did not introduce file
system changes, the upgrade procedure is identical for 2.10, 2.11 and
2.12).
For people who follow every S3QL version, this never became obvious
(which is probably the reason no one reported it) because for them it
looks e.g. like this:
1. Update to S3QL 2.8, file system upgrade required
1. Update to S3QL 2.9, no fs upgrade required
2. Update to S3QL 2.10, fs upgrade required, message to run
s3ql_verify.
3. Update to S3QL 2.11, no fs upgrade required
4. Update to S3QL 2.12, no fs upgrade required
5. Update to S3QL 2.13, fs upgrade required
Best,
-Nikolaus
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