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Mac Forum / Applications / Mac Applications / May 2008



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Back up  drive compatible with SuperDuper

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Peter James - 20 May 2008 17:09 GMT
I've just downloaded a copy of Super Duper and now need to get a drive
that is compatible with the software.  
The manual suggests that either a LaCie, Maxtor One Touch, WiebeTech of
Other World Computing will be compatible.  All with Firewire.  
Can anyone recommend a drive from personal experience  here in the U.K.
Thanks,
Peter

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Barbarossa - 20 May 2008 17:44 GMT
> I've just downloaded a copy of Super Duper and now need to get a drive
> that is compatible with the software.  
[quoted text clipped - 3 lines]
> Thanks,
> Peter

  I use a couple of OWC Mercury Elite Pro drives, one for a
complete clone and another to sync my 'Tunes.

  I connect them via FW 800. No problemo.

  As my collection of 'Tunes has gotten larger, I have had to
up-size the drives twice (now using Segagate 1TB.)

  OWC sells the empty cases if you can find the drives more
cheaply. 1 TB ~ $179 US this week @ Frys.
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Jolly Roger - 20 May 2008 21:24 GMT
> I've just downloaded a copy of Super Duper and now need to get a drive
> that is compatible with the software.  
> The manual suggests that either a LaCie, Maxtor One Touch, WiebeTech of
> Other World Computing will be compatible.  All with Firewire.  
> Can anyone recommend a drive from personal experience  here in the U.K.

Most any hard drive will work.

I would stay away from any hard drive enclosure with Maxtor or Western
Digital hard drive mechanisms, because they tend to have shorter life
spans (and shorter 3-year warranties, which says something ;). Seagate
mechanisms are one of the most reliable (and they usually come with long  
5-year warranties as well).

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Mike Rosenberg - 20 May 2008 21:41 GMT
> I would stay away from any hard drive enclosure with Maxtor or Western
> Digital hard drive mechanisms, because they tend to have shorter life
> spans (and shorter 3-year warranties, which says something ;). Seagate
> mechanisms are one of the most reliable (and they usually come with long
> 5-year warranties as well).

I guess it's still possible to find Maxtor-branded hard drives around,
but Seagate acquired Maxtor in late 2005:

http://arstechnica.com/news.ars/post/20051221-5816.html

Seagate currently sells Maxtor-branded hard drive enclosures but the
actual drives are all Seagate now.

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Jolly Roger - 20 May 2008 23:22 GMT
> > I would stay away from any hard drive enclosure with Maxtor or Western
> > Digital hard drive mechanisms, because they tend to have shorter life
[quoted text clipped - 9 lines]
> Seagate currently sells Maxtor-branded hard drive enclosures but the
> actual drives are all Seagate now.

Right.  What I mean is I would avoid any Maxtor-branded internal hard
drive mechanism.

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Mike Rosenberg - 20 May 2008 23:26 GMT
> > I guess it's still possible to find Maxtor-branded hard drives around,
> > but Seagate acquired Maxtor in late 2005:
[quoted text clipped - 6 lines]
> Right.  What I mean is I would avoid any Maxtor-branded internal hard
> drive mechanism.

Okay, we're on the same page, and I absolutely agree about
Maxtor-branded internal hard drives. Anyone selling them would have to
have rather old inventories, though.

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Lewis - 23 May 2008 00:49 GMT
>> I would stay away from any hard drive enclosure with Maxtor or Western
>> Digital hard drive mechanisms, because they tend to have shorter life
>> spans (and shorter 3-year warranties, which says something ;). Seagate
>> mechanisms are one of the most reliable (and they usually come with long
>> 5-year warranties as well).

> I guess it's still possible to find Maxtor-branded hard drives around,
> but Seagate acquired Maxtor in late 2005:

And Seagate has kept the Maxtor name for their crappy consumer drives.
There are Maxtor drives all over the shelves of your big box retail
outlets.  All with crappy 1 year or maybe 2 year warranties.

> http://arstechnica.com/news.ars/post/20051221-5816.html

> Seagate currently sells Maxtor-branded hard drive enclosures but the
> actual drives are all Seagate now.

Seagate reserves the Seagate name for their better products.

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Jolly Roger - 20 May 2008 23:23 GMT
> > I've just downloaded a copy of Super Duper and now need to get a drive
> > that is compatible with the software.  
[quoted text clipped - 9 lines]
> mechanisms are one of the most reliable (and they usually come with long  
> 5-year warranties as well).

Also, I'd choose Firewire over USB whenever you have the choice, because
you will almost always get better performance with Firewire.

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Richard Maine - 20 May 2008 23:39 GMT
> Also, I'd choose Firewire over USB whenever you have the choice, because
> you will almost always get better performance with Firewire.

For the specific application mentioned (SuperDuper), there is another
more important reason to prefer FireWire. You can't boot from a USB
drive.  At least with many Macs. I haven't followed all the details, so
there might be cases where you can now, but it certainly used to be the
case that Macs couldn't boot from USB. Making a bootable backup is one
of SuperDuper's nice features, so it would be a bit of a shame to get a
drive that can't do that. SuperDuper will work fine on a non-bootable
drive - if you don't care about the backup being bootable. As it
happens, I do care.

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nospam - 20 May 2008 23:49 GMT
> > Also, I'd choose Firewire over USB whenever you have the choice, because
> > you will almost always get better performance with Firewire.
>
> For the specific application mentioned (SuperDuper), there is another
> more important reason to prefer FireWire. You can't boot from a USB
> drive.  

intel macs can boot from usb; powerpc can't (although it is technically
possible if one wants to work at it).
AES - 21 May 2008 00:41 GMT
Just for the record on this SuperDuper! bootable backup thread:

If your primary or working Mac fails (either the internal HD or some
other internal component) and you have a bootable backup on an external
drive, you can indeed boot from it -- but you of course need another
standby Mac to which you can connect that external HD; and even if the
failed Mac is under warranty, it may be some time (like weeks) before
you get it repaired and back in service (although I will agree that if
it's only the internal HD that fails, that can be often be swapped out
on the spot at an Apple store or other repair shop).

In any event, if you're in a situation where you need to have a "hot"
(or nearly hot) standby Mac more or less instantly available in case of
failure of your primary Mac, one way to do it is to maintain a primary
Mac and a standby Mac, both of the same model; and do your SuperDuper!
bootable backups from the primary Mac to the standby Mac operating in
Target Disk mode.

Turns out that if you do this, the standby Mac will boot instantly from
the SuperDuper! bootable backup that's on its internal HD, just by
shutting it down from Target Disk mode and restarting it -- at least,
I've done this a couple of times with a pair of 13" MacBooks (once as a
test, once under pressure of necessity), and it seems to have worked
fine both times, with essentially all settings, passwords, and the like
fully preserved.

I've been advised that this might not work as well between two different
models of Macs, because of incompatibilities in drivers and the like;
but at least it worked with the two MacBooks purchased about 6 months
apart, one having an 80 GB internal drive and the other 120 GB.

This sound like an expensive way to provide a backup drive, but if your
primary Mac fails you're going to have to get a temporary replacement
(or quickly repaired) Mac somehow.  Having the hot standby instantly
available can be  important, or at least very handy in some situations;
and my approach in any case is to always buy the bottom of the line
model of Mac and put any additional funds into peripherals and software.
Jim Gibson - 21 May 2008 21:29 GMT
> Just for the record on this SuperDuper! bootable backup thread:
>
[quoted text clipped - 6 lines]
> it's only the internal HD that fails, that can be often be swapped out
> on the spot at an Apple store or other repair shop).

If the only failure is the internal hard drive, then you should be able
to boot up immediately using the external drive written as a bootable
copy by Super Duper! by restarting the computer and holding the option
key down.

If your external drive is the same type as your internal drive (ATA,
SATA, etc.), then you could also remove the drive mechanism from the
external enclosure and install into your Mac as a replacement for your
damaged internal drive.

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Mike Rosenberg - 21 May 2008 14:34 GMT
> For the specific application mentioned (SuperDuper), there is another
> more important reason to prefer FireWire. You can't boot from a USB
> drive.  At least with many Macs. I haven't followed all the details, so
> there might be cases where you can now, but it certainly used to be the
> case that Macs couldn't boot from USB.

Yes, there are cases where you can boot from USB drives now, and those
are every last Intel Mac.

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HK - 21 May 2008 14:59 GMT
>> For the specific application mentioned (SuperDuper), there is another
>> more important reason to prefer FireWire. You can't boot from a USB
[quoted text clipped - 4 lines]
> Yes, there are cases where you can boot from USB drives now, and those
> are every last Intel Mac.

It seems to me I read that Firewire 800 is faster than USB 2. In any
event, you can buy a LaCie 320 gig external HD with Firewire and USB for
about $120. I did that a few months ago and use that drive and
SuperDuper to back up my MacBook Pro. Via Firewire 800.
nospam - 21 May 2008 15:14 GMT

> It seems to me I read that Firewire 800 is faster than USB 2.

firewire 400 is faster than usb2, and firewire 800 even more so.
HK - 21 May 2008 15:25 GMT
>  
>> It seems to me I read that Firewire 800 is faster than USB 2.
>
> firewire 400 is faster than usb2, and firewire 800 even more so.

Yes, well, I am pleased with the LaCie Quadra drive I bought to backup
my laptop. LaCie makes some nice stuff, and the ergonomics are nice, too.
Lewis - 23 May 2008 00:52 GMT
> It seems to me I read that Firewire 800 is faster than USB 2.

Firewire 400 is faster than USB2.  Firewire 800 is MUCH faster than USB2.

I need a decent FW800 1TB drive for cheap.  Or an eSATA 1TB, I suppose.

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TH O - 21 May 2008 01:02 GMT
> Also, I'd choose Firewire over USB whenever you have the choice, because
> you will almost always get better performance with Firewire.

Jolly, are you still using an Exabyte tape drive for backups? If you
were making a purchase decision today, would you still go with a tape
drive or go another route?
Jolly Roger - 21 May 2008 01:57 GMT
> > Also, I'd choose Firewire over USB whenever you have the choice, because
> > you will almost always get better performance with Firewire.
>
> Jolly, are you still using an Exabyte tape drive for backups? If you
> were making a purchase decision today, would you still go with a tape
> drive or go another route?

Yep, I am still using it. I back up a total of roughly 200 GB of data
from several Macs (from Mac OS X, Mac OS, Windows XP, Linux)
(incremental plus) daily to two rotating sets of tapes, one of which is
stored in a fireproof safe at all times. I have another set that is an
archive of my 3 terabyte 4-bay concatenated RAID file server storage
volume. I haven't had a single tape failure, unless you count one tape
that was defective from the start and has been replaced. If you read up
on the technology used in these drives, it's really next generation
stuff. I'm impressed with it. The initial investment was substantial,
but so far it's been worth every penny, IMO. I sleep easy at night
knowing my data is safe.  Would I purchase it again today?  Probably so,
yes, because I can store a lot of data on small tapes and store them for
a long long time if needed.

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TH O - 21 May 2008 15:15 GMT
> > Jolly, are you still using an Exabyte tape drive for backups? If you
> > were making a purchase decision today, would you still go with a tape
[quoted text clipped - 13 lines]
> yes, because I can store a lot of data on small tapes and store them for
> a long long time if needed.

Thanks, great info. I'm concerned about using only drives for backups
due to the risk of failure and theft. Tapes are cheap enough to keep
multiple around and store offsite.

What software are you using to do the backup to the tapes? Are you
backing up to the server first and running the backup software there?
Jolly Roger - 21 May 2008 17:14 GMT
> > > Jolly, are you still using an Exabyte tape drive for backups? If you
> > > were making a purchase decision today, would you still go with a tape
[quoted text clipped - 17 lines]
> due to the risk of failure and theft. Tapes are cheap enough to keep
> multiple around and store offsite.

Yep.  I mean you *could* lug a rack of 4 hard disks around - but tapes
are just so much more convenient.  Also, I have much more confidence in
the ability to restore data from a 10-year-old tape than I would a
10-year-old hard drive.  : )  That's particularly true with VXA tapes,
because the packet technology they use solves a lot of the problems that
plague most other common tape technologies (tape head mis-alignment,
fault intolerance, etc.).

> What software are you using to do the backup to the tapes? Are you
> backing up to the server first and running the backup software there?

The tape drive comes with Retrospect.  I've been a Retrospect user for
over 10 years.

For years now, Dantz's Retrospect for Mac development team (which, over
the years, had been paired down to just a couple developers who
seemingly didn't work on Retrospect for Mac full time) has had
Retrospect for Mac in maintenance mode - doing only the minimal amount
of work to keep it running on today's operating systems and to maintain
compatibility with newer hardware storage devices. Because of this, Mac
users watched Dantz add more new features to the Windows version of the
product over the past few years than the Mac version.  Kind of
irritating, considering Retrospect was a Mac product first!  Grrr...  
@->:  (

With that said, the current version of Retrospect, even with its
obviously outdated interface and feature set, is still an *extremely*
robust, feature-rich, and stable program. Retrospect's feature set is
hard to match. It backs up several Macs over the network in my household
every single day of the year, largely unattended, and never complains or
crashes.

Note that a lot of other Mac backup solutions, like SuperDuper do a
great job at one thing - duplication. Retrospect, on the other hand,
does smart, unattended incremental network backups of Mac OS (classic
and X), Linux, and Windows clients to tape, disk images, various optical
media, and duplication of files to hard drives - without breaking a
sweat.

Lucky for us, there is some light on the horizon: Recently, EMC
purchased Dantz, and there are signs that the Mac team is once again
doing serious development with the product. EMC recently announced they
are in development of a new product called "Retrospect X", which will
replace the current version (in fact, if you purchased the current
version on or after January 14, 2008, the upgrade is free for you).
Retrospect X reportedly has a significantly updated code base offering
feature parity with the Windows version and additional Mac-only
features. Apparently they are also looking at adding some features to
simplify the user interface (a big complaint from users new to
Retrospect is that the interface is too complex - it does take a little
time to learn such a complex product):

    <http://preview.tinyurl.com/5hh8w9>

EMC also recently announced a public beta for both Retrospect X Client
(for network backups) and Retrospect X, and have already released two
beta candidates of the client!:

    <http://preview.tinyurl.com/22qmk7>

I've been running the client beta for a month or so with no problems.

These are exciting times for Retrospect users. : )

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TH O - 21 May 2008 18:21 GMT
> > > > Jolly, are you still using an Exabyte tape drive for backups? If you
> > > > were making a purchase decision today, would you still go with a tape
[quoted text clipped - 81 lines]
>
> These are exciting times for Retrospect users. : )

I used Retrospect back in System 7 days and was very happy with it. Now,
backing up over localtalk was not fun though. :)  I'll have to consider
Retrospect again as I formulate my plans.

Thanks for all the detail.
Fred Moore - 22 May 2008 16:03 GMT
> > Thanks, great info. I'm concerned about using only drives for backups
> > due to the risk of failure and theft. Tapes are cheap enough to keep
[quoted text clipped - 4 lines]
> the ability to restore data from a 10-year-old tape than I would a
> 10-year-old hard drive.  

Personally, I use quality DVD-R or R/W discs for archiving. My bet is
that the biggest problem restoring from 10-yr old tapes will be finding
a device to read them. (Anyone remember Bernoulli disks?) I think DVD
readers will be around for quite a while. I've also found tape drives to
be less reliable ('fatal hardware error') than disc readers. Don't know
whether Retrospect will write to a DVD, either R or R/W. Last time I
checked (quite a while ago), it didn't.

--Fred
Richard Maine - 22 May 2008 17:10 GMT
> Personally, I use quality DVD-R or R/W discs for archiving. My bet is
> that the biggest problem restoring from 10-yr old tapes will be finding
> a device to read them. (Anyone remember Bernoulli disks?) I think DVD
> readers will be around for quite a while. I've also found tape drives to
> be less reliable ('fatal hardware error') than disc readers.

While I generally agree, be aware that CC/DVD  R and R/W media does
*NOT* necessarily have very good shelf life. I've had lots of cases
where I could no longer read the media a few years later. It is a media
problem - not a drive one. Yes, you can do many things to improve this.
But if you blissfully ignore the matter, you can get "burned"; I can
testify to this first hand.

For example, don't use stick-on paper labels. They warp and cause
problems with time. I'm highly suspicious of that as a cause of some of
my problems. I used to have a label maker that I used; stopped that
practice a long time ago after multiple bad experiences. Getting good
quality media also makes a big difference.

Note that home-burned CD/DVD media is completely different from that of
commercial DCs/DVDs. THey do *NOT* generally have the same life
expectancy, or even close.

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Lewis - 23 May 2008 01:04 GMT
>> Personally, I use quality DVD-R or R/W discs for archiving.

> While I generally agree, be aware that CC/DVD  R and R/W media does
> *NOT* necessarily have very good shelf life.

I have a lot of CDRs from the early/mid 90's that are still perfectly
readable (back when CD-R burners cost like $1000 and burned at 1x).
But most of my CDRs from the late 90's early 00's didn't last 5 years.

My first CDR was a complete backup of all the drives on my "Tempest"
in December of 1993 and was written on a borrowed CDR drive.<1>  I
can't remember how much the balnk disc was, but it was expensive.
There was quite  a bit of room left over on the CDR too. Maybe 50%.
That disc was still readable when I tossed it last year after 14
years.

> Note that home-burned CD/DVD media is completely different from that
> of commercial DCs/DVDs. THey do *NOT* generally have the same life
> expectancy, or even close.

The problem discs for me all seem to have been the blue variety; and
light blue at that.  The really dark blue discs were fine, and all the
silver or gold ones I have all are still readable (baring any nicks or
scratches).  Some of the discs that have failed where Maxell's or TDKs
and some that are still good were generics.

<1> Borrowed from a friend's job in the clean room of a data center.
We also burned a couple of custom CDs while we were at it.

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Fred Moore - 23 May 2008 16:57 GMT
> > Personally, I use quality DVD-R or R/W discs for archiving. My bet is
> > that the biggest problem restoring from 10-yr old tapes will be finding
[quoted text clipped - 4 lines]
> While I generally agree, be aware that CC/DVD  R and R/W media does
> *NOT* necessarily have very good shelf life.

Absolutely, Richard. Shelf life depends greatly on the quality of the
blanks. My preference for a long time has been whatever the top of the
line Kodaks were. (I've found their run-of-the-mill blanks to be
mediocre.) Currently, that's the Kodak Gold Preservation. Here is a link
to one seller (picked at random):
<http://www.yesbuy.net/kodak-gold-preservation-8x-dvdr-dvd-r-blank-media.
html>

For those not aware, the data on a burned CD/DVD (as opposed to
commercially pressed) actually lies closer to the top surface than the
bottom (the side from which the laser operates). The top of the line
Kodaks have always had an extra layer of plastic on top to protect the
data. Not having that layer is why adhesive labels and permanent marker
pens are not good things to use on the top surface. The solvents in them
can deteriorate the plastic and your data.

Here's a link to a Kodak FAQ about their Preservation discs. They claim
a 100 yr life (Item 6):
<http://www.kodak.com/global/en/service/faqs/faq1629.shtml>

I don't want to get into a debate about whether the claim is just
marketing fluff, but it _is_ their claim. Taiyo Yuden is also a
respected brand, though I don't have much experience with it.

> ...For example, don't use stick-on paper labels. They warp and cause
> problems with time. I'm highly suspicious of that as a cause of some of
> my problems. I used to have a label maker that I used; stopped that
> practice a long time ago after multiple bad experiences. Getting good
> quality media also makes a big difference.

Yes, the ONLY place I write on my archive discs is around the clear
annulus. Not much space, I know, but I can write enough info to uniquely
identify what's on the disc.

and

In article <jollyroger-C77152.15045222052008@individual.net>,
Jolly Roger <jollyroger@pobox.com> wrote:

> Retrospect has supported optical media of various formats for a long
> time, FWIR:
>
> <http://www.macworld.com/article/54547/2006/12/retrospect61.html>

That's good to know, JR. I once did lots of scripting in Retrospect for
clients, but not for over 5 yrs now. I often said that if Microsoft
wrote a GUI for backup software, they'd have produced Retrospect. In
fairness to the Retrospect developers, they were trying to be all things
to all people under all conditions. Not an easy goal to accomplish.
Besides, none of my clients wanted to tackle the interface, so I billed
more hours.  ;)

--Fred
Jolly Roger - 23 May 2008 18:37 GMT
> In article <jollyroger-C77152.15045222052008@individual.net>,
>  Jolly Roger <jollyroger@pobox.com> wrote:
[quoted text clipped - 11 lines]
> Besides, none of my clients wanted to tackle the interface, so I billed
> more hours.  ;)

LOL - I hear you. The interface could be so much simpler. Then again, if
it were too simple, Retrospect wouldn't be nearly as useful as it is.

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Jolly Roger - 22 May 2008 21:04 GMT
> > > Thanks, great info. I'm concerned about using only drives for backups
> > > due to the risk of failure and theft. Tapes are cheap enough to keep
[quoted text clipped - 6 lines]
>
> Personally, I use quality DVD-R or R/W discs for archiving.

The lack of shelf life makes DVD media less attractive than tape, for me.

> My bet is
> that the biggest problem restoring from 10-yr old tapes will be finding
> a device to read them. (Anyone remember Bernoulli disks?)

Perhaps... Then again 10 years is a long tome for *any* technology. Only
time will tell.

> I think DVD
> readers will be around for quite a while. I've also found tape drives to
> be less reliable ('fatal hardware error') than disc readers.

I have too, but then the packet technology used in Exabyte VXA tapes is
so much better than all other current tape technologies, related
reliability issues are a thing of the past:

<http://www.exabyte.com/adcounter2.cfm?id=3689>

> Don't know
> whether Retrospect will write to a DVD, either R or R/W. Last time I
> checked (quite a while ago), it didn't.

Retrospect has supported optical media of various formats for a long
time, FWIR:

<http://www.macworld.com/article/54547/2006/12/retrospect61.html>

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JR

Lewis - 23 May 2008 00:50 GMT
> Also, I'd choose Firewire over USB whenever you have the choice, because
> you will almost always get better performance with Firewire.

What do you mean, "almost"?

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The NewGuy - 20 May 2008 23:04 GMT
> I've just downloaded a copy of Super Duper and now need to get a drive
> that is compatible with the software. The manual suggests that either
> a LaCie, Maxtor One Touch, WiebeTech of
> Other World Computing will be compatible.  All with Firewire.  
> Can anyone recommend a drive from personal experience  here in the U.K.

Is there any drive that is NOT compatible?  And you're talking about the
electronics in the external drive, not the hard drive I imagine.  I've
used a few cheap made in China external firewire cases and they work the
same as my Lacie.  We'll see how long they last of course.  And no, they
are not built as ruggedly as the Lacie.  But its placed on your desk.  
You're not playing football with it.

I was thinking the other day that perhaps what most people need is a
dual backup system.  One hard drive has various backups that are
updating all the time (via Time Machine or the like) and stays with your
computer.  Its never unplugged.  Another is backed up every day or every
week and that is stored away from any risk of theft or fire.
nospam - 20 May 2008 23:19 GMT
> Is there any drive that is NOT compatible?  

if the drive works with the mac (which virtually every drive does),
then it will work with superduper.

> I was thinking the other day that perhaps what most people need is a
> dual backup system.  One hard drive has various backups that are
> updating all the time (via Time Machine or the like) and stays with your
> computer.  Its never unplugged.  Another is backed up every day or every
> week and that is stored away from any risk of theft or fire.

good plan.
Peter James - 21 May 2008 20:30 GMT
> I've just downloaded a copy of Super Duper and now need to get a drive
> that is compatible with the software.  
[quoted text clipped - 3 lines]
> Thanks,
> Peter

Thanks for all the replies and information on this item.  

Peter
 
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