Text 14871, 278 rader
Skriven 2006-12-22 15:58:20 av Glenn Meadows (1:379/45)
  Kommentar till text 14859 av Robert Comer (1:379/45)
Ärende: Re: ZFS on OS-X?
========================
From: "Glenn Meadows" <gmeadow@comcast.net>

Laptop upgrade for memory and HD is easy.  I'm now even into take it apart low
level repairs.  On one ThinkPad, I replaced the PCMCIA sub assembly that had
died.

The Mini dis-assembly though is not easy from what I've read.

--

Glenn M.
"Robert Comer" <bobcomer@mindspring.com> wrote in message
news:458b0c78$1@w3.nls.net...
>> Well, I think the Mini can have up to 2gig installed (it's not easy to
>> upgrade yourself, but can be done).
>
> That's a problem.  The 2G version is way more than $800 and I'm not going
> to do it myself -- I swore I'd never do major work on a laptop again and
> this sounds just as bad.
>
>> As to HD, it uses Laptop HD's, so 200 is beyond it's range.  BUT no
>> reason you can't put an external USB or Firewire drive(s) on it.  I
>> believe it's got 4 USB2 ports, and a Firewire as well.
>
> I wouldn't mind something bigger than a Mini, or used even, but it's got
> to be fast enough and expandable enough to do some real work. (and it's
> got to be cheap!)
>
> --
> Bob Comer
>
>
> "Glenn Meadows" <gmeadow@comcast.net> wrote in message
> news:458ae9c0$1@w3.nls.net...
>> Well, I think the Mini can have up to 2gig installed (it's not easy to
>> upgrade yourself, but can be done).
>>
>> As to HD, it uses Laptop HD's, so 200 is beyond it's range.  BUT no
>> reason you can't put an external USB or Firewire drive(s) on it.  I
>> believe it's got 4 USB2 ports, and a Firewire as well.
>>
>> --
>>
>> Glenn M.
>> "Robert Comer" <bobcomer@mindspring.com> wrote in message
>> news:458ae5b4$1@w3.nls.net...
>>>> 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" <missinglink@cloud9.net> wrote in message
>>> news:missinglink-269A31.11351521122006@news.barkto.com...
>>>> In article <45896270@w3.nls.net>,
>>>> "Robert Comer" <bobcomer@mindspring.com> 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" <missinglink@cloud9.net> wrote in message
>>>>> news:missinglink-04E398.10490920122006@news.barkto.com...
>>>>> > 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%
>>>>> >> >> >> >> 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-ma
kes-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? <g>
>>>
>>>
>>
>>
>
>

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