Re: RMAN datafile allocation to channels

They cleaned up some of the spurious errors and made it very stable. 8.0.5 was very flaky, after 8.0.5.1 is became a very usable product. I have been using it since I started with Oracle, 8.0.4. I am now on 8.0.6.3. It is very stable.

Regards,
Ruth
----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Tuesday, December 17, 2002 1:55 PM

> > My condolences on 8.0.5, you should patch to 8.0.5.1 for better a much
> > better rman.
>
> Actually we are on 8.0.5.1. What are the differences in rman between these
> versions?
>
> >
> > I think that every channel is used for each datafile. When one datafile
> has
> > been completely backed up the channels are used for the next. This is
> > empiracal thought, what I have observed. I have 2 channels going to one
> > disk.
>
> Here is a portion of log file. It is definitely assigning each datafile to
a
> separate channel. It seems to be doing it at random. But, it doesn't look
> like it balances the output in any way.
>
> RMAN-08008: channel dev1: starting datafile backupset
> RMAN-08502: set_count=7143 set_stamp=480787230
> RMAN-08010: channel dev1: including datafile 20 in backupset
> RMAN-08010: channel dev1: including datafile 15 in backupset
> RMAN-08010: channel dev1: including datafile 89 in backupset
> RMAN-08010: channel dev1: including datafile 65 in backupset
> RMAN-08010: channel dev1: including datafile 39 in backupset
> RMAN-08010: channel dev1: including datafile 91 in backupset
> RMAN-08010: channel dev1: including datafile 24 in backupset
> RMAN-08010: channel dev1: including datafile 80 in backupset
> RMAN-08010: channel dev1: including datafile 3 in backupset
> RMAN-08010: channel dev1: including datafile 74 in backupset
> RMAN-08010: channel dev1: including datafile 46 in backupset
> RMAN-08010: channel dev1: including datafile 49 in backupset
> RMAN-08010: channel dev1: including datafile 11 in backupset
> RMAN-08010: channel dev1: including datafile 9 in backupset
> RMAN-08008: channel dev2: starting datafile backupset
> RMAN-08502: set_count=7144 set_stamp=480787230
> RMAN-08010: channel dev2: including datafile 94 in backupset
> RMAN-08010: channel dev2: including datafile 97 in backupset
> RMAN-08010: channel dev2: including datafile 88 in backupset
> RMAN-08010: channel dev2: including datafile 36 in backupset
> RMAN-08010: channel dev2: including datafile 37 in backupset
> RMAN-08010: channel dev2: including datafile 34 in backupset
> RMAN-08010: channel dev2: including datafile 47 in backupset
> RMAN-08010: channel dev2: including datafile 4 in backupset
> RMAN-08010: channel dev2: including datafile 38 in backupset
> RMAN-08010: channel dev2: including datafile 28 in backupset
> RMAN-08010: channel dev2: including datafile 71 in backupset
> RMAN-08010: channel dev2: including datafile 70 in backupset
> RMAN-08010: channel dev2: including datafile 10 in backupset
> RMAN-08010: channel dev2: including datafile 50 in backupset
>
> Keith
>
>
>

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Author: Ruth Gramolini
  INET: rgramolini_at_tax.state.vt.us

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