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These include kernel panics, depleted batteries, and accidentally clicking the Eject button in the Finder. The danger is less on a laptop, since a power failure isn't as likely to cause the machine to shut down (it will probably just switch to battery power), but there are still circumstances that can lose the contents of the RAM disk. Now that you are looking at a command prompt on the target server use the diskutil command to prepare the hard drives for installation. As soon as you decide to keep something, copy it to some kind of permanent storage, such as your hard disk (especially if you're on a desktop Mac, since you never know when the power will go out). Don't leave anything on your RAM disk that you want to keep. But isn't it possible to lose data if it's only in RAM? You can also put your Downloads folder (in Safari, Mail, Adium, etc.) on a RAM disk, since you won't always want to keep things you download. It permanently erases all data on Hard Disks, Solid State Drives, Memory Cards & USB drives, SCSI storage & RAID disk arrays. You can use it as fast storage that won't interfere with hard drive I/O, and for anything you don't want to keep.Ī RAM disk is great for screen-recording temporary files if you use iShowU, see the Storage tab of its preferences. Active KillDisk for Mac is an easy-to use & compact freeware utility that allows to sanitize attached media storage with the 24 international data sanitizing standards. Why would I want this?Ī RAM disk is at least as fast as your hard drive, but temporary. The data on the RAM “disk” is stored only in RAM (memory), and will be forgotten at shutdown.
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(Sometimes that isn't true, but it's very very rare.)Ī RAM disk, on the other hand, has no permanent storage behind it. In all of these cases, the data on the volume will persist after the computer is shut down, because it's been written to permanent storage. Most disks (more accurately, volumes) are backed by some sort of permanent storage, such as an optical disc (as in CD and DVD), magnetic hard disk, or flash memory.
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DISK UTILITY FOR MAC OSX INSTALL
Most of the MacOS I know of dont support this feature and to get a hackintosh to install most of the distro installers without your system being rejected, you must not enable this feature. The settings window appears whenever you launch Make RAM Disk with the Option key held down. If you have SMART enabled on a Mac or a Mac OS, go into disk utility and at the bottom in the disk info you will see it says, SMART not supported.
DISK UTILITY FOR MAC OSX MAC OS X
It requires Mac OS X version 10.4 or later. Make RAM Disk is an application that provides an easy way to create, format, and mount a RAM disk in one shot.