Svnadmin verify question

Luke Mauldin

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Nov 2, 2021, 5:09:55 PM11/2/21

to Subversion

Can anyone tell me the details of the svnadmin verify command? Does subversion store any internal hash of each commit to verify its correctness and that it has not changed over time due to disk/memory errors or software bugs?

Luke Mauldin

Nathan Hartman

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Nov 3, 2021, 2:44:26 PM11/3/21

to Luke Mauldin, Subversion

On Tue, Nov 2, 2021 at 5:09 PM Luke Mauldin <lukem...@icloud.com> wrote:
>
> Can anyone tell me the details of the svnadmin verify command? Does subversion store any internal hash of each commit to verify its correctness and that it has not changed over time due to disk/memory errors or software bugs?
>
> Luke Mauldin

Yes. The purpose of 'svnadmin verify' is to check for exactly those
kinds of errors.

By default it runs through each revision one-by-one and stops/reports
if it finds a problem. There's also a --keep-going option since SVN
1.9.

It is a good idea to run 'svnadmin verify' periodically on
repositories to ensure their integrity.

It is also crucial to have a good backup process in place, i.e., keep
multiple good up-to-date backups of repositories in different physical
locations and make sure you can restore from them before disaster
strikes. Obviously it's of no use to detect corruption if you don't
have backups to restore from.

Hope this helps,
Nathan

Luke Mauldin

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Nov 3, 2021, 2:45:24 PM11/3/21

to Nathan Hartman, Subversion

Does the Svnadmin verify do checksum checks? How does it verify validity?

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