[Lustre-devel] accessing object version from user space?

Andreas Dilger adilger at whamcloud.com
Tue May 3 12:35:12 PDT 2011

On May 3, 2011, at 06:46, Erich Focht wrote:
> is there a way to access the file objects version information (epoch, transno, whatever is used
> for version based recovery) from user space? If yes, is that possible for lustre 1.8.x, too?
> Looking for a way to check (quickly) whether a file has changed while copying it away...

Comparing the ctime at the start/end of the copy should be enough for that.

Cheers, Andreas
Andreas Dilger 
Principal Engineer
Whamcloud, Inc.

More information about the lustre-devel mailing list