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Switcher Hangout The place for switchers to discuss their new machines, and how to work with OS X. General support can be had here for newbie stuff, like "How do I restart my new iMac?" :)

Backing up files


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DonJ441

 
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With a purchase of an iMac, what is the best backup mythology...external HD, DVD, or what? Thanks.
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harryb2448

 
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External hard drive in a caddy using FW800, or Thunderbolt if you want the very top performance.

Time Machine comes free but personally prefer cloning software, SuperDuper, which makes an exact copy of your hard drive onto the external and is bootable. The registered version for from memory $29, works three of four times faster than the free version, and you are able to do a Smart Backup on say a weekly basis which changes anything updated etc. during that week.

And cloning software, CarbonCopyCloner is another, are bootable whereas TM is not.

Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!
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chscag

 
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Quote:
Originally Posted by DonJ441 View Post
With a purchase of an iMac, what is the best backup mythology...external HD, DVD, or what? Thanks.
All new iMacs are equipped with USB 3 and Thunderbolt. Use a USB 3 external hard drive to make your backups as Thunderbolt drives are still too expensive. Time Machine and Carbon Copy Cloner are recommended for making backups.
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Dogbreath

 
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I recommend using TM and a bootable backup software as these gentlemen have discussed. A bootable backup will allow you to continue to use your computer in case of hdd failure. CCC was a life-saver for me when my internal hdd died.

I also recommend burning all photo, video, and music files to flash drives...or DVD if you have an optical drive of some sort. Considering the convenience, storage capacity and cost, flash drives are a good deal.
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toMACsh

 
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Cost per GB is a good metric for people of means. For some, however, it's the bottom line that is most important. A flash drive is cheaper in that regard than an external, especially one large enough to make a clone on, depending of course on the size of the hard drive to be cloned.
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Quote:
Originally Posted by toMACsh View Post
Cost per GB is a good metric for people of means. For some, however, it's the bottom line that is most important. A flash drive is cheaper in that regard than an external, especially one large enough to make a clone on, depending of course on the size of the hard drive to be cloned.
I don't follow that reasoning - at all - and I use both external hard drives and flash drives.

Cost of flash drives are approximately $10 for every 16 GB - two 64 GB or a single 128 GB flash drive is going to run about $70. For that same $70 you can get a USB 3 - 1,000 GB external hard drive. At $120, you can find a 3,000 GB external drive.

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I was thinking the same thing. From a speed standpoint flash storage might her good for some large libraries if you were't stuck functioning at USB speeds.

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McBie

 
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Cost can never be a criteria for protecting your information.
However, cost can be an outcome of the question " What is the value of the information I am trying to protect ? "
If the value is low, then buy a cheap backup media.
What I am reading above is that people too quickly jump into the " solution space " without properly defining the " problem space " . That is the world upside down.

Cheers ... McBie

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Dogbreath

 
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Very good points from all directions. I also feel that the more treasured the files are, the more effort and $$$ should be put towards their preservation. As a studio engineer, I feel media files should be backed up more than 2 or 3 times...one copy even kept off site. In my case, TM backups are one one ext hdd, CCC back ups are on another ext hdd while pictures and audio files are backed up on both AND flash drives and DVD's just to be safe. My advice was pointed towards the typical home/consumer needs...people who live by these files should go to extremes to protect their art/craft/livelihood.
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MacInWin

 
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Quote:
Originally Posted by McBie View Post
Cost can never be a criteria for protecting your information.
However, cost can be an outcome of the question " What is the value of the information I am trying to protect ? "
If the value is low, then buy a cheap backup media.
What I am reading above is that people too quickly jump into the " solution space " without properly defining the " problem space " . That is the world upside down.

Cheers ... McBie
As a former risk management consultant, let me say that cost is ALWAYS one of the criteria for data protection. The general rule is that you should spend no more for protection that the product of (value of data * probability of loss). In "value of data" you include the business loss, actual data value, potential publicity losses, etc. So, if you determine that your data is valued at 1 million, and the probability of lost (equipment failure, stupid mistakes, software crashes, theft, etc) is 1%, then you should be willing to spend 10,000 on protection/backup/etc. The formula breaks down if the value of data is infinite, but until then, it's a good rule of thumb.

All that said, I use CCC to make a simple clone of my internal drives every day, once a day, with no archived history. It's a copy, bootable. I use TM for historical incremental backups, also scheduled for twice a day. The backups go to different drives because backing up to one drive two ways is really only ONE backup.
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McBie

 
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That is indeed a business approach where value of data is quantifiable. ( ie. revenue, missed opportunities etc ... )
Like I mentioned .... what is the value of the data you are trying to protect.
The challenge is to map that to your home usage.
I can not quantify what the value is of my private information. I can only say that I value pictures of my family more than a silly budget spreadsheet ( as an example ), so I make sure I have 2 backup of my family pictures.
But a monetary value for my private information .... I would not have a clue?

Cheers ... McBie

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Quote:
Originally Posted by McBie View Post
That is indeed a business approach where value of data is quantifiable. ( ie. revenue, missed opportunities etc ... )
Like I mentioned .... what is the value of the data you are trying to protect.
The challenge is to map that to your home usage.
I can not quantify what the value is of my private information. I can only say that I value pictures of my family more than a silly budget spreadsheet ( as an example ), so I make sure I have 2 backup of my family pictures.
But a monetary value for my private information .... I would not have a clue?

Cheers ... McBie
Well, you could consider what the cost of ID theft is today. And that depends on your financial situation. Everybody has to do that assessment individually, but a little research should show what the average cost of ID theft is. I've seen ranges from $400 to $15,000 for the US. It depends on how quickly you discover your ID has been stolen and what the stop-loss limits are on your credit cards. For Debit cards, the limit is the balance, or the balance plus any overdraft limits you may have. That can get expensive.

As for pictures of family, there isn't any way to value them objectively so you get to spend whatever you think appropriate to preserve them as best as you can or want.
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McBie

 
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Hmmm.... Not sure I would link ID theft to the backup question .
Backing up your ID is not helping you to recover from ID theft.
So the protection of your ID is proactive and the backup of data is reactive.
In the end it is all about semantics I guess, but it is always a good thing to think about what you want to achieve and not immediately jump into the ' technology ' area.

Cheers ... McBie

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Quote:
Originally Posted by McBie View Post
Hmmm.... Not sure I would link ID theft to the backup question .
Backing up your ID is not helping you to recover from ID theft.
So the protection of your ID is proactive and the backup of data is reactive.
In the end it is all about semantics I guess, but it is always a good thing to think about what you want to achieve and not immediately jump into the ' technology ' area.

Cheers ... McBie
ID Theft is not really linked to backup, but it can be used to help you decide how much to spend on backup strategies. I brought it up more in response to your comment from an earlier post:

Quote:
But a monetary value for my private information .... I would not have a clue?
Considering the value of ID theft COULD give you some ROM estimate of the value of your private information. And with that, I turn the thread back over to the original purpose...
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J.Fo

 
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Another option that I don't belief has been mentioned yet is using an online backup service like BackBlaze, Carbonite, or CrashPlan (to name a few). I personally use BackBlaze in addition to a Time Machine backup. I use TM as my primary means of restoring systems and files if need be. BackBlaze is there in case of a fire, theft, or some catastrophic event that would make it impossible to access my Mac or the TM backup.

Personally, any good backup plan must have some sort of off-site aspect to it. You just never know when disaster will strike.

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