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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