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IDS Forum

Re: HDR (crash recovery)

Posted By: Esteban Casuscelli
Date: Thursday, 2 July 2009, at 12:18 p.m.

In Response To: Re: HDR (crash recovery) (KAMRAN HAQ)

I see, you should have explained that you "manually" killed the oninit process.

Anyway, you have answered your own question, since you have un-buffered logging for you db, and I guess you run separate insert statements each insert will trigger a buffer flush hence the 200 inserts are in the log files. When the engine is back up it will send those records to the secondary server as it has done in your test.

hth,
esteban.-

--- El jue 2-jul-09, KAMRAN HAQ <khaq@i2cinc.com> escribió:

De: KAMRAN HAQ <khaq@i2cinc.com>
Asunto: Re: HDR (crash recovery) [16218]
Para: ids@iiug.org
Fecha: jueves, 2 de julio de 2009, 12:59 pm

Database is not crashed because of these inserts rather we crashed it manually
by killing the database process as I already described in my previous email.
We crashed the instance for test purpose that what would happen if something
really goes wrong.
Our database is using un-buffered logging in asynchronous mode.
My questions are not about why it crashed, I am asking about the behavior of
HDR/logging on primary and secondary nodes for steps I performed (given in
previous email, all steps I performed are given in same order as I done during
test).

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