Title: R: Re: Sparse files in GFS
The idea is to do it efficiently by
manipulating the file system metadata without actually writing the data.
Doing dd to TBs of space would take a very
long time.
Bests,
Samuel.
From:
linux-cluster-bounces@xxxxxxxxxx [mailto:linux-cluster-bounces@xxxxxxxxxx] On Behalf Of Edoardo Causarano
Sent: Monday, December 11, 2006
2:00 AM
To: wcheng@xxxxxxxxxx;
linux-cluster@xxxxxxxxxx
Subject: R: Re:
Sparse files in GFS
Wouldn't
dd do?
-----Original Message-----
From: linux-cluster-bounces@xxxxxxxxxx
<linux-cluster-bounces@xxxxxxxxxx>
To: linux clustering
<linux-cluster@xxxxxxxxxx>
Sent: Mon Dec 11 00:30:07 2006
Subject: Re: Sparse files in GFS
Krikler, Samuel wrote:
> Hi,
>
> Do you know if there is any tool that can
efficiently pad files
> (pre-allocate their space) in GFS files to
prevent the files from
> being sparse?
>
> I’d like to efficiently create nice
continuous files of hundreds of
> GBs (both logically and physically) before I
start using them in my
> application.
>
> Thanks,
>
> Samuel.
>
Sorry, not at this moment. It has been on the
to-do list. One question
though - these spaces do not need to be
zero-padded, right ?
-- Wendy
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