Data safety for our Fedora releases... :)

Jason Guiditta jguiditt at redhat.com
Wed Jun 20 15:51:20 UTC 2012


On 21/06/12 01:45 +1000, Justin Clift wrote:
>On 21/06/2012, at 1:27 AM, Javier Pena wrote:
><snip>
>> RHEV-M is following a very similar approach. They have psql scripts covering each database schema change since the first release, and each new package applies the delta between schema versions. According to our local RHEV-M developer, Eli Mesika designed this schema, so you may want to contact him for more details.
>
>It's definitely a useful data point.  Have seen this approach used for
>other applications before, and work well.  Not fast, but does the job.
>
>+ Justin
>
>
How does this approach handle making sure no service is touching the
database while the upgrade happens, and that any such services get
restarted afterward so they continue to work?

-j



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