Text 14817, 132 rader
Skriven 2006-12-19 14:41:28 av Robert Comer (1:379/45)
  Kommentar till text 14815 av RobertB (1:379/45)
Ärende: Re: ZFS on OS-X?
========================
From: "Robert Comer" <bobcomer@mindspring.com>

> So what's not to like? <g>

You need Apple Hardware!

--
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%2Fne
ws
>> >> >> %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-to
-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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