[Lustre-discuss] Some questunes
Brian J. Murrell
Brian.Murrell at Sun.COM
Mon Feb 25 13:56:57 PST 2008
On Mon, 2008-02-25 at 23:29 +0200, Mailer PH wrote:
> Thanks ,
NP.
> On the MTD ? or on all OST's ?
On whatever node you are trying to re-use/re-deploy. I'm afraid I
forget the context of your original question.
> I meant that it is not possible to stripe existing file ,
Right. Once a file is created, you cannot change it's striping policy
without re-creating it. You could achieve that with a simple:
$ lfs setstripe foo <stripe params>
$ cp $file foo
$ mv foo $file
> just to create new file
Right.
> So i was wondering what is a best practic for stripe existing file
As above.
> It doesnt matter that the file will get the new setting from this
> point on as long as it will get the stripe config at the end
No, that is not supported. A file has to have a consistent striping
policy from start to end which is why you cannot specify the striping on
an existing file using lfs setstripe.
b.
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