| backup files size [message #348032] |
Mon, 15 September 2008 08:02  |
merhanatef
Messages: 28
Registered: September 2008
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Junior Member |
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hey guys..i'm trying to configure my backup settings(backup set) from the em as follows
Maximum Backup Piece (File) Size=20m
after the backup is finished , i found 2 or 3 backup files of size 20m & alot more with a smaller size , where did that come from?
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| Re: backup files size [message #348041 is a reply to message #348035] |
Mon, 15 September 2008 08:25  |
merhanatef
Messages: 28
Registered: September 2008
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Junior Member |
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thank u michel , now i ahve another question
what's the "Maximum Files per Backup Set" for?
i gave it a value of 5 , still the no of backup files was big
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| Re: backup files size [message #348053 is a reply to message #348041] |
Mon, 15 September 2008 08:52 |
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Michel Cadot
Messages: 68647
Registered: March 2007
Location: Nanterre, France, http://...
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Senior Member
Account Moderator |
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From doc(http://download.oracle.com/docs/cd/B19306_01/backup.102/b14194/rcmsynta009.htm#i1009966):
| Quote: | FILESPERSET
When used with commands that create backupsets, specifies the maximum number of files to include in each backupset created.
By default, RMAN divides files among backupsets in order to make optimal use of channel resources. The number of files to be backed up is divided by the number of channels. If the result is less than 64, then it is the number of files placed in each backupset. Otherwise, 64 files will be placed in each backupset.
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Regards
Michel
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