Re: When is an offline backup not really offline? may be complete or stop key work is needed and archival logging is
enabled.
On Aug 14, 7:26 am, Michael Hoffmann <b...@blather.comn> wrote:
> Hello,
>
> I hope this doesn't come across as totally newbieish, but I've been
> searching the web and the IBM docs until smoke is coming out of my head.
>
> Scenario: We are trying to take primitive "snapshots" of our production
> database into a test environment by taking (what we thought are) offline
> backups of production, then doing a redirected restore into test.
>
> Here's the steps I do:
>
> -- Make absolutely sure there's nobody connected but the admin.
> $ db2stop force;
> $ db2start admin mode user db2admin;
> $ db2 CONNECT TO REX;
> $ db2 QUIESCE DATABASE IMMEDIATE FORCE CONNECTIONS;
> $ db2 CONNECT RESET;
> $ db2 FORCE APPLICATION ALL;
> $ db2 DEACTIVATE DB REX;
>
> -- Just checking...
> $ db2 list application
>
> $ db2 BACKUP DATABASE REX TO "/tmp" WITH 2 BUFFERS BUFFER 1024
> PARALLELISM 1 WITHOUT PROMPTING;
>
> -- verify we can get back in
> $ db2 CONNECT TO REX;
> $ db2 UNQUIESCE DATABASE;
> $ db2 CONNECT RESET;
> $ db2stop force
> $ db2start
> $ db2 connect to rex;
>
> Now, this should have taken an OFFLINE backup, correct? Yet, when I try
> to restore it into the test environment:
>
> $ db2 create db rex alias testrex;
>
> $ db2 restore db rex from /tmp taken at 'yyyymmddhhmmss' on
> '/db/rextest' into testrex newlogpath '/translogs/rextest' redirect
> without rolling forward;
>
> I get:
>
> "SQL2537N Roll-forward is required following the Restore."
>
> Err, what? I thought/read that only happens if I work with an ONLINE
> backup! How did my supposed OFFline backup turn into an ONline one?
>
> What am I missing here? Is there another mystery incantation I have to
> mumble to enforce that absolutely, totally, certainly, assuredly makes
> sure that my backup is offline so that I can "ignore" the logs and not
> have to do a rollforward?
>
> Thanks
> Mike |