oh another question. Am i getting into any troubel if i go more then
2TB for the drive, say a 3 or 4. its an older computer, 2011 iMac
21.5" with OS 10.11.6

Dave

On Thu, Dec 8, 2016 at 6:33 PM, David J Brooks <[email protected]> wrote:
> Good ideas Igor. I have always used Seagate HDD's but never really
> looked at reviews. I'll do that
>
> iMac is USB 2
>
> Just wondering now if i should copy them to my HD then to the new
> external that way they will be on my time machine drive aswell (ie 2
> drives). I have alwasys in the past had two externals hooked up to the
> computer, plus i will still have the CD/DVD's
>
> Dave
>
> Daev
>
> On Thu, Dec 8, 2016 at 1:13 PM, Igor PDML-StR <[email protected]> wrote:
>>
>> Zos said what I was going to say.
>> You will not feel a difference between 7200 and 5400 rpm drives in the
>> transfer rate when you are backing up photos.
>>
>> The main situation when you feel the difference is in the "random access",
>> when the system/program accesses many small files. (E.g. in case of a LR
>> database.)
>>
>> Something else to add to this:
>> 1. I would rely on a reasonable HDD much more than on a flash thumb drive.
>> 2. HDDs (especially the cheaper ones, low grade "consumer" models.) still
>> have a good chance to fail. So, if some photos are really important to you,
>> you might consider having an additional backup copy.
>> 3. When you are choosing the HDD model, - take a look at the reviews on
>> Amazon or Newegg.com - some HDDs have higher rate of failures, including
>> DoA. Read the lowest ratings for the contender HDD, and see what are the
>> problems that people are complaining about.
>> Note, that you will find negative reviews for ALL HDDs, it's the percentage
>> of those that matters.
>>
>> 4. IMHO, the "sweet spots" (price-wise) for the HDDs are now at 5-6TB, and
>> also for some drives at 2-3 TB.
>>
>> 5. While people have mentioned that CD reading rate will be the limiting
>> factor, - in the future, you'll continue using this HDD for backups.
>> So, - if your computer supports USB 3.0, I'd highly recommend buying a USB
>> 3.0 HDD.
>> [If your computer doesn't have a USB 3.0 port, - it might be worth
>> considering options of adding a USB 3.0 controller to it.]
>> In my experience, even with a USB-2 controller, USB-3.0 external HDDs get a
>> slightly higher sustained transfer rate. (Though the difference is not as
>> significant, as in case of a USB 3.0 controller.)
>>
>>
>> Igor
>>
>>
>> Zos Xavius Thu, 08 Dec 2016 08:28:55 -0800 wrote:
>>
>> The CD is going to be slower than any drive you connect it to. Don't
>> worry about rpms. Most externals are 5400 anyways. You'll spend a
>> premium to get a 7200rpm drive that is external and it won't really
>> gain you much in transfer speed though your random seek times will
>> improve. Something that doesn't matter when transferring large files
>> really.
>>
>>
>> On Thu, Dec 8, 2016 at 11:09 AM, David J Brooks <[email protected]> wrote:
>>>
>>> thanks, never thought to look at rpm's
>>>
>>> Dave
>>>
>>> On Thu, Dec 8, 2016 at 10:46 AM, Paul Stenquist <[email protected]>
>>> wrote:
>>>>
>>>> Almost certainly better transfer rate to an external skinny drive. Make
>>>> sure
>>>> it’s a 7200 rpm Seagate. And thumb drives seem to fail frequently. At
>>>> least
>>>> in my experience, although that’s based on use of recycled thumb drives
>>>> that
>>>> I’ve gotten at press conferences.
>>>> Paul
>>>>>
>>>>> On Dec 8, 2016, at 10:38 AM, David J Brooks <[email protected]> wrote:
>>>>>
>>>>> I have decided, now that i have the time, to transfer all of my CD and
>>>>> DVD back up photo disks to an external HD, I need a new one anyway and
>>>>> Staples has a nice Seagate 2tb on sale. I also have a number of 32 gig
>>>>> thumb drives i thought might also do the trick. Just curious would the
>>>>> transfer rate be better from the CD player to externals as opposed to
>>>>> thumb drives.?
>>>>>
>>>>> Dave
>>
>>
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>
>
> --
> Documenting Life in Rural Ontario.
> www.caughtinmotion.com
> http://brooksinthecountry.blogspot.com/
> York Region, Ontario, Canada



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http://brooksinthecountry.blogspot.com/
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