Since ufsdump will write on standard output and ufsrestore will read from standard input, I am not sure will the buffer be able to hold around a TB data.
The other option to copy is cp -pr but I am not sure the links will be preserved through this.
Hi vishalaswani, there is a big difference in the copy performance of a filesystem if you have a lot of little files or a few big files, I think that if you are in the first case, you can use the command you explain, but if you are in the second case, perhaps you can try rsync, it will be faster, the command will be, for instance:
rsync -Havx ORIGINAL_FOLDER DESTINATION_FOLDER
Where DESTINATION_FOLDER can be a local folder or something like server:/folder, whit this parameters you will have a mirror copy, including the links. You can use -e rsh in order to avoid the default ssh option. Of course, if the folder structure is really big, you can launch a "foreach" command whit a rsync by folder, so you can copy several folders at the same time which can not be done with ufsdump. I'm copying around 4,5TB all nights from my NFS main server to a slow disk machines which a script based in this idea.
Also, you can use the same command with tar instead of ufsdump, it's a little bit faster, but remember the E option if you use long names.
Dear Experts,
I would like to know what's the best method for copy data around 3 mio (spread in a hundred folders, size each file around 1kb) between 2 servers?
I already tried using Rsync and tar command. But using these command is too long.
Please advice.
Thanks
Edy (11 Replies)
Hi All,
HP-UX dev4 B.11.11 U 9000/800 3251073457
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