On 2006-06-13 11:21, Toralf Lund wrote:
Another question related to amanda 2.5:
Does anyone know if the issues with "skip-full" and/or "strategy
incronly" been addressed? In the past, neither "strategy incronly" nor
"skip-full" have worked quite as expected. I'm afraid I can't remember
the full details, but one problem I've had, was that "amadmin force"
would not really reset the dump level to 0. Another issue is of course
that there are two slightly different ways of requesting an "incremental
only" dump, i.e. "skip-full" and "strategy incronly". I concluded at one
point that I actually had to use both in my setup. Anyhow, I'm assuming
that some of you lot will know what I'm talking about, and can tell me
if the situation has changed lately.
The "strategy" options are those that planner takes into account.
It has influence of which estimates are asked for.
Normally Amanda can ask estimates for level 0, level N, and level N+1.
When you specify "strategy noinc", then Amanda will only ask for
a level 0 estimate.
The "strategy incronly", will normally not schedule an estimate for
level 0, except when forced (with "amadmin xx force").
Amanda usually also makes a "plan B": when the taping fails, it falls
back to degraded mode, and will do some incrementals instead of full
dumps to safe space on the holdingdisk. Restricting the estimates
has influence on this phase too: when "strategy noinc" was specified,
these DLE's cannot be dumped in incremental mode and will fail completely.
I'm still finding out a use for "skip-full". It seems to be a weird
option: when the planner had decided to make a full dump, then in
the real run it is skipped. That would mean that you have to be
carefully reading the report to know when to run a manual full
dump of that DLE. And until you do, you have no backup at all.
Strange option...
--
Paul Bijnens, xplanation Technology Services Tel +32 16 397.511
Technologielaan 21 bus 2, B-3001 Leuven, BELGIUM Fax +32 16 397.512
http://www.xplanation.com/ email: Paul.Bijnens AT xplanation DOT com
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