Re: RMAN restore into nearly full file system

From: Jack van Zanen <>
Date: Tue, 24 Aug 2010 16:14:59 +1000
Message-ID: <>


Try deleting the files first before you restore

Jack van Zanen

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On 24 August 2010 06:49, Charlotte Hammond <>wrote:

> Hi All,
> Recently, when I ran an RMAN restore I got a "no space left on device"
> error and
> RMAN aborted. Why did the restored data files no longer fit onto the disk
> from
> which they were originally backed up?
> (No files had been added to the file system since the backup was taken).
> ls showed the same number of bytes before and after the restore. I presume
> the
> problem was with "hidden" space usage such as inode blocks or file indirect
> blocks. There was only about 20Mb free on the 80Gb file system, yet 20Mb
> still
> seems quite a lot of degredation in the efficiency of file system metadata
> (there were only 5 data files to track). How can I explain the loss of 20Mb
> between backing up and restoring the files? (The file system is JFS2, block
> size
> was 4k, OS is AIX, Oracle 9i (don't ask!))
> I want to use this as further evidence to try to deter a manager from
> routinely
> overfilling file systems but I'd really like to be able to explain it
> better
> before doing so (he'll be asking questions!).
> Many thanks!
> Charlotte
> --

Received on Tue Aug 24 2010 - 01:14:59 CDT

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