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| subject: | Re: ZFS on OS-X? |
MSGID: 1:379/45 863eec89
REPLY: 1:379/45 fcd9b6fa
TZUTC: -0500
CHARSET: PC-8
From: "Robert Comer"
> How cheap is cheap? You can get a Mini for six or seven hundred.
Six or Seven hundred is imperative, but it's got to have at least 2G of RAM
(expandable), and a 200G of Disk, and a fast dual core processor.
>But
> you'll need a screen, keyboard and mouse to go with it.
Those don't count, already have them.
--
Bob Comer
"RobertB" wrote in message
news:missinglink-269A31.11351521122006{at}news.barkto.com...
> In article ,
> "Robert Comer" wrote:
>
>> > Duhh, that's a plus, my friend.
>>
>> Not to my wallet it's not! I foresee myself buying a Mac eventually,
>> maybe
>> soon, but the Intel Mac's have to get a bit cheaper for a decent
>> config...
>
> How cheap is cheap? You can get a Mini for six or seven hundred. But
> you'll need a screen, keyboard and mouse to go with it. I recently
> bought a new 20" core2duo iMac. Not dirt cheap, but it's compact, quiet,
> has a great screen, and is fast as hell. I think they're selling for
> around $1500-1600 now.
>
>
>>
>> --
>> Bob Comer
>>
>>
>>
>>
>>
>> "RobertB" wrote in message
>> news:missinglink-04E398.10490920122006{at}news.barkto.com...
>> > In article ,
>> > "Robert Comer" wrote:
>> >
>> >> > So what's not to like?
>> >>
>> >> You need Apple Hardware!
>> >
>> > Duhh, that's a plus, my friend.
>> >
>> >>
>> >> --
>> >> Bob Comer
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> "RobertB" wrote in message
>> >> news:missinglink-24F3A8.13221319122006{at}news.barkto.com...
>> >> > In article ,
>> >> > mike wrote:
>> >> >
>> >> >> On Mon, 18 Dec 2006 11:04:02 -0500, RobertB
>> >> >>
>> >> >> wrote:
>> >> >>
>> >> >> >In article
,
>> >> >> > mike wrote:
>> >> >> >
>> >> >> >> On Sun, 17 Dec 2006 16:25:04 -0500, RobertB
>> >> >> >>
>> >> >> >> wrote:
>> >> >> >>
>> >> >> >> >In article
,
>> >> >> >> > mike wrote:
>> >> >> >> >
>> >> >> >> >>
http://translate.google.com/translate?u=http%3A%2F%2Fmac4ever.co
m%
>> >> >> >> >> 2Fn
>> >> >> >> >> ews
>> >> >> >> >> %2F
>> >> >> >> >> 274
>> >> >> >> >>
85%2Fzettabyte_sur_leopard%2F&langpair=fr%7Cen&hl=en&ie=UTF-8&oe
=U
>> >> >> >> >> TF-
>> >> >> >> >> 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
-i
>> >> >> t-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?
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