Text 14838, 141 rader
Skriven 2006-12-20 10:49:08 av RobertB (1:379/45)
  Kommentar till text 14817 av Robert Comer (1:379/45)
Ärende: Re: ZFS on OS-X?
========================
From: RobertB <missinglink@cloud9.net>

In article <45884277$1@w3.nls.net>,
 "Robert Comer" <bobcomer@mindspring.com> wrote:

> > So what's not to like? <g>
>
> You need Apple Hardware!

Duhh, that's a plus, my friend.

>
> --
> Bob Comer
>
>
>
>
>
> "RobertB" <missinglink@cloud9.net> wrote in message
> news:missinglink-24F3A8.13221319122006@news.barkto.com...
> > In article <8a5eo2p8lgflccolto0sm9ralphn1otnoh@4ax.com>,
> > mike <mike@barkto.com> wrote:
> >
> >> On Mon, 18 Dec 2006 11:04:02 -0500, RobertB <missinglink@cloud9.net>
> >> wrote:
> >>
> >> >In article <d1qbo216n7fjkjs3l6f8vo6ommcvjo2h7i@4ax.com>,
> >> > mike <mike@barkto.com> wrote:
> >> >
> >> >> On Sun, 17 Dec 2006 16:25:04 -0500, RobertB <missinglink@cloud9.net>
> >> >> wrote:
> >> >>
> >> >> >In article <mdjao21jev9vaepfe8lmlh9do12s5ehji4@4ax.com>,
> >> >> > mike <mike@barkto.com> wrote:
> >> >> >
> >> >> >> http://translate.google.com/translate?u=http%3A%2F%2Fmac4ever.com%2F
n
> >> >> >> ews
> >> >> >> %2F
> >> >> >> 274
> >> >> >> 85%2Fzettabyte_sur_leopard%2F&langpair=fr%7Cen&hl=en&ie=UTF-8&oe=UTF
-
> >> >> >> 8&p
> >> >> >> rev
> >> >> >> =%2
> >> >> >> Flanguage_tools
> >> >> >>
> >> >> >> ===
> >> >> >> Parmis the few innovations of Leopard, one read these last months,
> >> >> >> several rumours on the integration of a new filing system, the ZFS,
> >> >> >> which presents a revolution in the field of the storage of data.
> >> >> >>
> >> >> >> This rumour seems to be confirmed, since one sees finally
> >> >> >> apparaitre in
> >> >> >> the utility of discs of Leopard, an option to create images and
> >> >> >> partitions in this format. On the other hand, it is not known yet
> >> >> >> if it
> >> >> >> will be right another supported system, or if it has the role to
> >> >> >> replace
> >> >> >> the HFS+ for the disc system.
> >> >> >>
> >> >> >> ZFS amongst other things integrates functionalities of advanced
> >> >> >> safeguards which could be used very well by Apple for Time Machine
> >> >> >> for
> >> >> >> example. This known as, it is a sympathetic innovation, but that
> >> >> >> still
> >> >> >> does not say to us what Steve wanted to hold secret signal.
> >> >> >> ===
> >> >> >>
> >> >> >>  /m
> >> >> >
> >> >> >What's the source, so I can read it in the original?
> >> >>
> >> >> At the top of the google translated page is the link to the original.
> >> >>
> >> >>  /m
> >> >
> >> >OK. I found it. What's Zettabyte File System anyway?
> >>
> >> Some more info:
> >>
> >> http://loop.worldofapple.com/archives/2006/12/17/zfs-file-system-makes-it-
t
> >> o-m
> >> ac-os-x-leopard/
> >>
> >> ===
> >> Back in May of this year it was rumoured that Apple's File System
> >> Development Team had contacted Sun Microsystems to help in a translation
> >> of the Zettabyte File System to Mac OS X.
> >> Zettabyte File System makes appearance in Mac OS X 10.5, Disk Utility
> >>
> >> With the most recent Build of Mac OS X 10.5 Leopard, ZFS has appeared to
> >> have finally made an appearance, as per the rumours.
> >>
> >> Sun Microsystems describes ZFS as the "last word in File Systems," the
> >> file system is well known for being incredibly resilient to data
> >> failure, having immense capacity and being the first 128-bit file
> >> system.
> >>
> >> Lets look at ZFS's ability to keep data safe, everything on ZFS is
> >> "copy-on-write" meaning that the file system never overwrites live data
> >> and it leaves no windows of vulnerability. Also on ZFS, everything is
> >> transactional meaning that a file copy will either completely fail or be
> >> a complete success not half and half leaving you with a mess to clean
> >> up.
> >>
> >> Finally the most important feature of data integrity os check summing
> >> and everything on ZFS is checksummed meaning zero data corruption.
> >>
> >> The Zettabyte File system is also incredibly scalable adding value to
> >> users of both server and home environments. ZFS has a data storage
> >> capacity of 256 quadrillion zettabytes and a maximum file size of 16
> >> exabytes (that's 17179869184 terabytes).
> >>
> >> Overall ZFS offers the following key advantages:-
> >>
> >> Pooled storage - No requirement for a volume manager when extra volumes
> >> added, the volume is simply added to a pool creating a vdev (virtual
> >> device), a collection of vdevs makes up a zpool, which in essence is the
> >> storage available to the file system.
> >>
> >> Snapshots - Read-only point in time of the file system
> >>
> >> Clones - write-able copy of a snapshot
> >>
> >> RAID-Z - Makes use of copy-on-write; rather than overwriting old data
> >> with new data, it writes new data to a new location and then overwrites
> >> the pointer to the old data
> >>
> >> Detects and then corrects data corruption
> >>
> >> Incredibly fast due to intelligent pre-fetching, and dynamic
> >> striping....
> >> ===
> >
> > So what's not to like? <g>

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