[Nottingham] Tar backups

Martin martin at ml1.co.uk
Tue Oct 11 16:21:07 BST 2005


Alex Herington wrote:
[---]
> Basically I'm trying to back up 6GB of data to an SMB mount (which is a 
> NAS drive). As far as I know, because SMB is a Windows beast I can't 
> simply copy all the files to the SMB mount because I'll lose the file 
> attributes like permissions and uid/gid, so I figured tar everything up 
> using the "p" switch.
> 
> Fine, but tar appears to fail if the resulting archive >2GB :/
[---]

If you're saving the tar file onto a vfat/FAT32 partition, then you've 
got the 2GB max file size limit. You need to split up your archiving 
into smaller multiple tar files, which is a good idea in any case.

ntfs can handle larger files, but then again, very large tar files are 
slow and cumbersome due to their sequential access.

Good luck,
Martin

-- 
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Martin Lomas
martin at ml1.co.uk
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