Best way to completely erase my SSD disk and make fresh install of MacOSX?

I want a brand new OSX installatetion. What is the best way to completely erase my SSD (to make it brand new) and reinstall MAC OSX (i can use internet WPA secure Wi-Fi to reinstall MACOSX Lion). On macbook air late 2011.

That's a good question! It's a trick question too!
Here's my thoughts on this...
It's not as obvious as one might think. You certainly don't want to do a secure erase (heck, you never need to do a secure erase unless maybe you want to sell the machine). And even a simple reformat is quationable.
It's not that these things won't work. It is just that the flash cells are not going to be reused unless there are no unused flash cells available. So you end up installing in unused flash cells which is not the same as when it was actually new.
So I don't know the answer here.
Note, I do recall the MacPerformanceGuild has some tool for reconditioning ssd's but I have to find it again and if I recall there was something that bothered me about its description.
Time for some google searches.
MPG Article on reconditing ssd's: Reconditioning a solid state drive (SSD)
I think what was bothering me about that article was the info near the end about writing over the entire ssd.
Another MPG Article: Restoring solid state drive performance with DiskTester ‘recondition’

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Hi all-
I wanted to completely erase my hard drive and reinstall OS 10.4. In going through the process, I chose "erase and install" in the Installer utility, hoping it would do away with the multiple partitions I've made on to my Hard Drive. I also want to totally erase all my applications. After all that, I still have everything. I then tried to do the "Erase free space" or "Write with Zeroes" within Disk Utility and got some error saying it was not possible. So... would someone please tell me the quickest way to erase EVERYTHING (partitions included) ? I'd even be willing to buy some app. that would do it for me.
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1. Boot from your OS X Installer Disk. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger.)
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
3. Click on the Options button, set the partition scheme to APM then click on the OK button. Set the number of partitions from the dropdown menu (use 1 partition unless you wish to make more.) Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the volume(s) mount on the Desktop.
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5. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process will take 30 minutes to an hour or more depending upon the drive size.
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Király summed up the legalities perfectly for you so i'll skip that part. Assuming you're including everything Király mentioned then I would suggest doing the following:
1. Boot to the Tiger Install disk and run Disk Utility from under the Utilities menu.
2. Zero out the data for some protection against someone else recovering your data off the hard drive. If you're mildly paranoid then choose the 7-pass. If you think the FBI is after data on your hard drive, then use 35-pass.
3. Install Tiger OS X 10.4.3 normally.
4. Run through the Setup Assistant and create an account called "temp" and make the password "temp". Use obviously false personal information when required. I like to use Santa's address at the North Pole.
5. Connect it to the internet and install the 10.4.8 combo update. Feel free to install all the updates if you like.
You can sell it just like this and tell the new owner they can create a new User account and delete the temp account, or you can boot to Single-User Mode and type rm -rf /Users/temp followed by the Return key. This will remove the temp user folder. If you do this, then you'll want to do the following to re-activate Setup Assistant:
While you're still in Single-User Mode type these and press Return after every line.
1. mount -uw /
2. cd /private/var/db/netinfo
3. mv local.nidb local.old
4. rm ../.AppleSetupDone
After pressing Return at the end of the last line, shut down the computer and when the next owner turns it on the Setup Assistant will start, just like they brought it home from the store.
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Now the Time Capsule (if it’s a recent version), can simultaneously supply 2.4 GHz and 5 GHz band signals, but the Airport Express (if it’s recent) can only use one of those bands at one time. Likely the lowest common denominator for your devices is going to be the 2.4 GHz band since the devices that are capable of using 5 GHZ also support 2.4 GHz. If you don’t use 5 GHz, you won’t lose much in a two-storey home because likely it’s the 2.4 GHz band is better signal anyway because 5 GHz signals drop off quickly with several walls/floors to penetrate.
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Hi!
This is not exactly topic for expanding my mac pro... This is more "How to expand my upcoming mac pro".
There are couple of things I'm constantly fighting. Memory and disk-speed. I absolutely hate it when I see spinning beach ball on the screen and only thing I hear is the wild hard-drive trashing ...
Now when I finally upgrade my power mac G5 to Mac Pro I'm confronted with myriad of choices:
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c) How about using SSD drives and hardware RAID-card from apple? Any experiences with this?
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c: Officially, the RAID card only supports drives Apple sells. Besides that, it would be a shame to use SSD's with the Apple RAID card, as it is slow. If you have 3 SSD's in a RAID0 setup they will be faster than the RAID card can handle (the RAID card's maximum speed is somewhere near 533MB/s, look up the exact number in the Apple Online Store).
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What is the best way to install a SDD while still saving the data from my HDD? I've heard it's possible to clone the hard drive, place the info on the SDD, and then boot with it. I've tried my best googling it, but I can't seem to figure out how I would connect my SSD to my computer while the HDD is still installed? I don't have an external drive with SATA connections.
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If you go with the first option then you will need an external notebook drive enclosure in which to put the HDD when you replace it with the SSD.
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Clone using Restore Option of Disk Utility
Open Disk Utility from the Utilities folder.
Select the destination volume from the left side list.
Click on the Restore tab in the DU main window.
Check the box labeled Erase destination.
Select the destination volume from the left side list and drag it to the Destination entry field.
Select the source volume from the left side list and drag it to the Source entry field.
Double-check you got it right, then click on the Restore button.
Destination means the external backup drive. Source means the internal startup drive.
Be sure you prep the SSD properly:
Drive Preparation
1. Boot from your old HDD. Open Disk Utility in your Utilities folder.
2. After DU loads select your SSD (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, set the partition scheme to GUID then click on the OK button. Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Security button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
I would also recommend upgrading your OS to Snow Leopard. You will need at least 1 GB of installed RAM for Snow Leopard.

Best way to completely erase my SSD disk and make fresh install of MacOSX?

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