[CentOS] compare zfs xfs and jfs o

Sat Aug 4 19:48:05 UTC 2012
ashkab rahmani <ashkan82r at gmail.com>

thank you very much. what  do you think abou jfs??
is it comparable  with others??
———
Ashkan R
On Aug 5, 2012 12:02 AM, "Joerg Schilling" <
Joerg.Schilling at fokus.fraunhofer.de> wrote:

> Karanbir Singh <mail-lists at karan.org> wrote:
>
> > On 08/04/2012 05:06 PM, Joerg Schilling wrote:
> > > Using BTRFS now is like using ZFS in 2005.
> > > ZFS is adult now, BTRFS is not
> >
> > Can you quantify this in an impartial format as relevant to CentOS ?  At
> > the moment your statement is just a rant, and having come across your
> > work in the past, I know you can do better than this.
>
> I would not call it a rant but a food for thought.
>
> ZFS was distributed to the public after it turned 4.
> ZFS is now in public use since more than 7 years.
>
> What is the age of BTRFS?
>
> The experience with various filesystems tells that it takes 8-10 years to
> make
> a new filesystem mature.
>
> Also the OP did not ask for CentOS, but for a filesystem comparison.
>
> So comparing filesystems seems to be the question. For ZFS, I know that it
> took until three years ago to get rid of nasty bugs. At that time, ZFS was
> 8.
>
> So be careful with BTRFS until it was in wide use for at least 4 years.
>
> ZFS is the best I know for filesystems >= 2 TB and in case you need
> flexible
> snapshots. ZFS has just one single problem, it is slow in case you ask it
> to
> verify a stable FS state, UFS is much faster here, but this ZFS "problem"
> is
> true for all filesystems on Linux because of the implementation of the
> Linux
> buffer cache.
>
> And BTW: ZFS is based on the COW ideas I made in 1988 and the NetApp
> patents
> are also just based on my master thesis without giving me credit ;-)
>
>
> There are few fs use cases where COW is not the best.
>
> Jörg
>
> --
>  EMail:joerg at schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353
> Berlin
>        js at cs.tu-berlin.de                (uni)
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> http://schily.blogspot.com/
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