Re: Fragmentation with restore multiple channels
From: Radoulov, Dimitre <cichomitiko_at_gmail.com>
Date: Tue, 04 Sep 2012 12:52:10 +0200
Message-ID: <5045DD5A.3040002_at_gmail.com>
On 04/09/2012 12:38, Kenneth Naim wrote:
> Rman just allocates the number of datafiles by the number of datafiles so it
> you have 120 files and 6 channels, each channel would eventually backup 20
> files so no fragmentation is possible with a full backup.
Date: Tue, 04 Sep 2012 12:52:10 +0200
Message-ID: <5045DD5A.3040002_at_gmail.com>
On 04/09/2012 12:38, Kenneth Naim wrote:
> Rman just allocates the number of datafiles by the number of datafiles so it
> you have 120 files and 6 channels, each channel would eventually backup 20
> files so no fragmentation is possible with a full backup.
Bigfile tablespace multichannel backup with section size is another case, I don't know if that could lead to performance problems after a restore tough ...
Regards
Dimitre
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