Text 14872, 298 rader
Skriven 2006-12-22 17:02:34 av Robert Comer (1:379/45)
  Kommentar till text 14871 av Glenn Meadows (1:379/45)
Ärende: Re: ZFS on OS-X?
========================
From: "Robert Comer" <bobcomer@mindspring.com>

> Laptop upgrade for memory and HD is easy.

For most laptops, yep -- replacing some other card in a laptop can be a problem
-- and that's what adding RAM to the mini sounds to me.

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

I'm getting a bit cautious in my old age...  <g>

--
Bob Comer


"Glenn Meadows" <gmeadow@comcast.net> wrote in message
news:458c571f@w3.nls.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%2Fmac4eve
r.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-m
akes-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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