ADSM-L

DB/Log Mirrored Write Details

1997-07-24 14:44:42
Subject: DB/Log Mirrored Write Details
From: Scott McCambly <scottad AT UNOPSYS DOT COM>
Date: Thu, 24 Jul 1997 14:44:42 -0400
Hello,

I'm trying to fully understand the performance issues w.r.t. the mirrored
writes settings for the DB and Log.  Can someone at ADSM development
reply for certain whether the write operation returns after the first
complete copy is written to disk.  Ie: For parallel, all two or three
copies are written simultaneously, but does the write return only after
all of the writes have completed, or just the first one?

Any details on this would be greatly appreciated.

Thanks,

Scott McCambly                                             scottm AT unopsys 
DOT com
AIX / UNIX Specialist
UNOPSYS Inc.                                                    (613)238-5620
Ottawa, Ontario, Canada                                     Fax:(613)230-3802
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