Robert Milkowski writes:
 > Hello przemolicc,
 > 
 > Friday, December 22, 2006, 10:02:44 AM, you wrote:
 > 
 > ppf> On Thu, Dec 21, 2006 at 04:45:34PM +0100, Robert Milkowski wrote:
 > >> Hello Shawn,
 > >> 
 > >> Thursday, December 21, 2006, 4:28:39 PM, you wrote:
 > >> 
 > >> SJ> All,
 > >> 
 > >> SJ> I understand that ZFS gives you more error correction when using
 > >> SJ> two LUNS from a SAN. But, does it provide you with less features
 > >> SJ> than UFS does on one LUN from a SAN (i.e is it less stable).
 > >> 
 > >> With only one LUN you still get error detection which UFS doesn't give
 > >> you. You still can use snapshots, clones, quotas, etc. so in general
 > >> you still have more features than UFS.
 > >> 
 > >> Now when in comes to stability - depends. UFS is for years in use
 > >> while ZFS much younger.
 > >> 
 > >> More and more people are using ZFS in production and while there're
 > >> some corner cases mostly performance related, it works really good.
 > >> And I haven't heard of verified data lost due to ZFS. I've been using
 > >> ZFS for quite some time (much sooner than it was available in SX) and
 > >> I haven't also lost any data.
 > 
 > ppf> Robert,
 > 
 > ppf> I don't understand why not loosing any data is an advantage of ZFS.
 > ppf> No filesystem should lose any data. It is like saying that an advantage
 > 
 > I wasn't saying this is advantage. Of course no file system should
 > lose your data - it's just that when new file systems show up on
 > market people do not trust them in general at first - which is
 > expected precaution.
 > 
 > Part of such perception is Linux - due to different development type
 > you often get software badly written and tested - try to look at
 > google how many people lost their data with RaiserFS for example.
 > The same happened for many people with XFS on Linux.
 > 
 > That's why I thought emphasis on ZFS that it hasn't lost my data even if
 > it's new-born file system and I've been using it for years (as other
 > users) is important, especially for people mostly from Linux world.
 > 
 > ps. I really belive development style in Open Solaris is better than
 >     in Linux (kernel).
 > 

The fact that most FS do not manage the disk write caches
does mean you're at risk of data lost for those FS.

-r


 > -- 
 > Best regards,
 >  Robert                            mailto:[EMAIL PROTECTED]
 >                                        http://milek.blogspot.com
 > 
 > _______________________________________________
 > zfs-discuss mailing list
 > zfs-discuss@opensolaris.org
 > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

_______________________________________________
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Reply via email to