Thanks Daniel. I certainly was not questioning you or what you have said, and 
appreciate your professional comment. Your response makes sense to me. 

It does show how someone can mis-interpret written text, or intentionally 
sidetrack a discussion or commentary. Perhaps he should be in politics.

Reg

On 27/06/2013, at 12:32 pm, Daniel Kerr <[email protected]> wrote:

> First off, I don't' really want to keep dragging this on,… but given the crap 
> comment from that person that "whoever,…has no idea what they are talking 
> about"…
> a) has taken out of context what I was referring to and "Trying to put into 
> "easy english" rather then being technical on a forum/mailing list.
> b) mis-read what I was referring….
> and frankly I'm a bit insulted…..for a few reasons.
> 
> First off,…I wasn't referring anything to do with HFS+ format, I was 
> referring to the storage.
> What I was trying to get to, and perhaps in a poorly worded way,…
> is that a normal spinning hard drive will store files where ever it sees fit 
> to on a drive. This is why files can be a bit easily "Recovered" then an SSD. 
> As it doesn't necessarily always write data in the same place. It might put 
> some here, there and everywhere. Where as an SSD will "generally" write from 
> the start of a disk and write over what is no longer required when a file is 
> "deleted".
> What I was really getting at may be explained a bit better from here -
> <http://en.wikipedia.org/wiki/Solid-state_drive#SSD-optimized_file_systems>
> /quote
> Traditional hard drives store their data in a linear, ordered manner. SSDs, 
> however, constantly rearrange their data while keeping track of their 
> locations for the purpose of wear levelling.
> /end quote
> I was trying to find it more in a picture type of format to try and explain 
> it,..but didn't have much joy (and have stopped work to write this, so spent 
> more time then I've wanted to it given I've stopped paid work to write this 
> reply,…).
> 
> The other point I was really trying to get at, and again perhaps wasn't 
> written too well, was to do with the "life span" of a drive.
> Taken from here -
> <http://www.auslogics.com/en/turbo-windows/ssd-vs-hard-drive/>
> /quote
> Another disadvantage of SSD drives is that each flash memory cell on an SSD 
> can endure only so many write cycles. This means that if you subject your SSD 
> to heavy use, its data retention will be shorter than with conventional hard 
> drive. That’s why you should think twice when writing to an SSD. And that’s 
> one of the reasons why it’s not a good idea to defrag solid-state drives, as 
> defragmentation means unnecessary data writes to the disk.
> /end quote
> 
> So why do something that puts more "work" on a drive? If it doesn't really 
> need to be done.? I'm not saying hey, never use this product at all,…that's 
> up to people to decide. I'm simply giving my personal opinion, that SSD's 
> "work" differently, and people can make their own decision what they choose 
> to do. I PERSONALLY don't see the need to run a lot of utilities across MY 
> SSD. That's my choice. I read up on them, look at the forums and other things 
> and decide what I feel is best for it. And given most of the responses I seem 
> to come across say that an SSD will do it all for you,..then I'm happy with 
> that. It still runs as well as it does the first day I had it over 2 years or 
> more ago.
> 
> The other thing that I always seem to find a bit of a coincidence is that 
> every time I have run DiskWarrior on a drive it's always, without fail 33-34% 
> out. Look, don't' get me wrong, I think it's a great product and I use it a 
> lot (on "normal" drives),….I've just always wondered why, regardless of 
> whether the drive is 1 year old,..or 5 years old,..it's always without fail 
> at that figure. (and I'm not just referring to it running on one or two 
> computers,..I'm looking at at least 30 or more over the space of the last 
> 1.5-2 years). I still use it though, and it's one of the tools in my "tech 
> drive" and has saved drives where other utilities haven't.
> 
> SO perhaps I should have worded it slightly better,….but given the tech 
> support has no idea of who I am, or how I word things, then to take it out of 
> context and understand where I was going from, well,..frankly as I said, I'm 
> a bit insulted.
> 
> I will in future, use a different signature when posting to wamug,….so this 
> will cover that. Thanks for brining that to my attention at least.
> 
> At the end of the day, the choice is yours. I was simply offering my opinion, 
> be it right or wrong……..
> 
> Kind regards
> Daniel
> ---
> Daniel Kerr
> MacWizardry
> 
> Phone: 0414 795 960
> Email: <daniel AT macwizardry.com.au>
> Web:   <http://www.macwizardry.com.au>
> 
> 
> **For everything Apple**
> 
> NOTE: Any information provided in this email may be my personal opinion and 
> as such should be taken accordingly, and may not be the views of MacWizardry. 
> Any information provided does not offer or warrant any form of warranty or 
> accept liability. It would be appreciated that if any information in this 
> email is to be disseminated, distributed or copied, that permission by the 
> author be requested. 
> 
> On 27/06/2013, at 11:29 AM, Reg Whitely <[email protected]> wrote:
> 
>> Hi WAMUGgers, especially Daniel and Ronni
>> 
>> Here is the reply I received from Alsoft, for your observation and comment.
>> 
>> Happy reading
>> 
>> Reg
>> 
>> Begin forwarded message:
>> 
>>> From: "Alsoft Technical Support" <[email protected]>
>>> Subject: Re: MacBook Pro 2013 Retina Disk Warrior compatibility
>>> Date: 26 June 2013 10:58:36 pm AWST
>>> To: "Reg Whitely" <[email protected]>
>>> 
>>> Whoever stated:
>>> 
>>> "No point. Solid State Drives (SSD's) don't work the same as "normal 
>>> drives" so you won't gain any benefit from it, and in some cases can make 
>>> it worse.
>>> 
>>> ...has no idea what they are talking about.
>>> 
>>> Further, this:
>>> 
>>> "SSD's don't store files the same way a normal spinning disk does"
>>> 
>>> ...is completely false.
>>> 
>>> Both a traditional rotational hard drive, and an SSD, are going to be using 
>>> the HFS+ format when used with a Macintosh computer.
>>> 
>>> As such, regardless of the type of media, the directory format is the same, 
>>> the directory structure is the same, and the problems that can occur with 
>>> the directory are the same.
>>> 
>>> As such, using DiskWarrior will always provide a benefit and never make 
>>> things worse.
>>> 
>>> Finally, for reference, DiskWarrior doesn't "defragment" a hard drive.  
>>> DiskWarrior rebuilds the directory (index of all of the files and folders). 
>>>  These are two completely different tasks and actions.
>>> 
>>> -- Marc
>>> 
>>> 
>>>> Thanks Marc
>>>> 
>>>> I've been reminded by others that I neglected to tell you my MacBook Pro 
>>>> has SSD.
>>>> 
>>>> To quote: "No point. Solid State Drives (SSD's) don't work the same as 
>>>> "normal drives" so you won't gain any benefit from it, and in some cases 
>>>> can make it worse.
>>>> 
>>>> So I wouldn't recommend Diskwarrior for that type of machine, or ones with 
>>>> SSD's at all."
>>>> 
>>>> and
>>>> 
>>>> "... this link may help more
>>>> <https://discussions.apple.com/thread/4092213?start=0&tstart=0>
>>>> Particularly this part
>>>> /quote
>>>> What you DONT need to do is worry about physical maintenance - 
>>>> "defragmentation" is pretty much irrelevant.
>>>> /end quote
>>>> SSD's don't store files the same way a normal spinning disk does.
>>>> Just like you "can't" really do a secure erase files from an SSD. Once 
>>>> something is erased on it, it's gone.
>>>> (Even if you boot off another drive, and try do a "secure erase" reformat 
>>>> of the drive, that option isn't readily available in Disk Utility,..or 
>>>> others,....).
>>>> This is one of the reasons backups with SSD's are very important, as once 
>>>> files are gone,..they're gone. So data recovery is a lot harder (if 
>>>> sometimes near impossible)."
>>>> 
>>>> What is your response to this?
>>>> 
>>>> Reg
>>>> 
>>>> 
>>>> On 25/06/2013, at 9:26 pm, Alsoft Technical Support 
>>>> <[email protected]> wrote:
>>>> 
>>>>>> Below is the result of your feedback form.  It was submitted by Reg
>>>>>> Whitely ([email protected]) on Tuesday, June 25, 2013 at 03:37:33
>>>>>> ------------------------------------------------------------------------
>>>>>> ---
>>>>>> 
>>>>>> a_Product: DiskWarrior
>>>>>> 
>>>>>> b_Product_Version: 4.4
>>>>>> 
>>>>>> c_Product_Serial_Number: presales
>>>>>> 
>>>>>> d_Question_or_Problem: When will you release an update to Disk
>>>>>> Warrior to provide a suitable start-up disk? Disk Warrior has been
>>>>>> recommended to me but I'm reluctant to buy it until it is fully
>>>>>> compatible.
>>>>>> 
>>>>>> g. Mac OS Version: Mac OS 10.8
>>>>>> 
>>>>>> h. Mac Model: MacBook Pro Retina, 15-inch, Early 2013
>>>>>> 
>>>>>> i. Mac Processor: Intel
>>>>>> 
>>>>>> j. Mac RAM: 16 GB 1600 MHz DDR3
>>>>>> 
>>>>>> ------------------------------------------------------------------------
>>>>>> ---
>>>>>> 
>>>>>> IP Address: 121.45.229.26
>>>>>> 
>>>>>> 
>>>>> 
>>>>> 
>>>>> The DiskWarrior application is fully compatible with this computer, you 
>>>>> simply cannot start up the computer from the DiskWarrior disc.
>>>>> 
>>>>> There is currently no DiskWarrior disc to start up this generation 
>>>>> MacBook Pro.  All third-party developers are awaiting the delivery from 
>>>>> Apple of a version of the operating system that can be run from a DVD, so 
>>>>> that an updated disc can be created.
>>>>> 
>>>>> However, the DiskWarrior 4.4 application can be used with this machine.  
>>>>> You simply cannot start up the computer from a DiskWarrior disc.
>>>>> 
>>>>> As such, you could utilize one of the following configurations after 
>>>>> utilizing the downloadable 4.4 updater (However, this will still not 
>>>>> create a disc that will start up your computer) at:
>>>>> 
>>>>> http://www.alsoft.com/DiskWarrior/diskwarriorupdate.html
>>>>> 
>>>>> (1)  Alternate Startup Disk
>>>>> 
>>>>> If you have an external drive such as...
>>>>> 
>>>>> FireWire (PowerPC or Intel)
>>>>> USB2 or newer (Intel only)
>>>>> Thunderbolt (Intel only)
>>>>> 
>>>>> Or a secondary internal drive or partition...
>>>>> 
>>>>> You can install Mac OS X (the version which shipped with your computer or 
>>>>> higher) on that drive and start up the computer from the operating system 
>>>>> on the external/secondary device.  Once you have started up the computer 
>>>>> from the newly-installed operating system, install DiskWarrior into the 
>>>>> "Utilities" folder (which is inside the "Applications" folder).  Then, 
>>>>> you can launch DiskWarrior from the Utilities folder of the 
>>>>> external/secondary device to rebuild the directory of the computer's main 
>>>>> hard drive.
>>>>> 
>>>>> More information can be here:
>>>>> 
>>>>> http://support.apple.com/kb/ht4718
>>>>> 
>>>>> (2)  Target Disk Mode:  Connect two Macs with a FireWire or Thunderbolt 
>>>>> cable (not all options will be applicable depending on the model of your 
>>>>> computer) where one is the "host" and the other is a "target".  The host 
>>>>> Mac should be running OS X (10.4.x "Tiger" or higher).  In this scenario, 
>>>>> the target Mac is the computer whose internal hard drive you want to 
>>>>> repair.  Start by shutting down the target Mac.  Then turn it on while 
>>>>> holding down the "T" key.  The target Mac's drive will appear as an 
>>>>> option via the DiskWarrior interface.  Run DiskWarrior from the Utilities 
>>>>> folder of the host Mac and rebuild the target Mac's disk.
>>>>> 
>>>>> -- Marc
>>>>> 
>>>>> 
>>>>> 
>>>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>>> Marc Moorash, Alsoft Technical Support
>>>>> Email:  [email protected]
>>>>> 
>>>> 
>>>> Reg Whitely
>>>> 
>>>> Home: 08 9921 7272
>>>> Mob: 04 8899 7313
>>>> Email: [email protected]
>>>> 
>>>> 
>>>> 
>>>> 
>>> 
>>> 
>>> 
>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>> Marc Moorash, Alsoft Technical Support
>>> Email:  [email protected]
>>> 
>> 
>> Reg Whitely
>> 
>> Home: 08 9921 7272
>> Mob: 04 8899 7313
>> Email: [email protected]
>> 
>> 
>> 
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Reg Whitely

Home: 08 9921 7272
Mob: 04 8899 7313
Email: [email protected]



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