Re: xfsdump and chattr +d : undocumented but really useful behaviour

[Bill Kendall <wkendall@xxxxxxx>]

Hi Gerard,

This is a popular question lately. The man page was updated
a couple months back, around version 2.2.34 or so.

Regards,
Bill

On 04/02/06 22:55, Gerard Neil wrote:
> I've been running a gentoo linux server (currently 2.6.15) using xfs
> and xfsdump for a couple of years now.
>
> I've just discovered that if the the no-dump (d) attribute is set on a
> directory (using chattr +d), then any new directories/files created in
> that directory automatically acquire the attribute too.
>
> This is *really* useful when used in conjunction with xfsdump -e,
> because it means I can easily exclude entire subtrees from dumps.
>
> If this is really how the no-dump attribute is supposed to behave on
> xfs, then I suggest documenting this in the xfsdump man page. The
> current "excluding individual files" section is confusing with respect
> to chattr +d, and certainly doesn't mention this useful behaviour. I
> can't find it documented anywhere else, either...
>
> Regards,
>
> Gerard