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WHY CAN MY MAC INTERNAL HARD DRIVE BE READ BY OTHER MACS FOR MAC OS
WHY CAN MY MAC INTERNAL HARD DRIVE BE READ BY OTHER MACS MAC OS X
WHY CAN MY MAC INTERNAL HARD DRIVE BE READ BY OTHER MACS UPGRADE
WHY CAN MY MAC INTERNAL HARD DRIVE BE READ BY OTHER MACS PRO
WHY CAN MY MAC INTERNAL HARD DRIVE BE READ BY OTHER MACS SOFTWARE

You’ll see that the path to that folder now appears in the Home Directory field- /Volumes/DriveB/yourusername, for instance. Navigate to the home folder you moved to the external drive, select it, and click Open. In the sheet that appears, click on the Choose button next to the Home Directory field. Hold down the Control key, click on your account name, and choose Advanced Options. Click the Lock icon at the bottom of the window and enter your administrator’s name and password and click Unlock.

WHY CAN MY MAC INTERNAL HARD DRIVE BE READ BY OTHER MACS MAC OS X

(You’ll have to enter your username and password to authorize this.) Launch System Preferences and choose the Users & Groups preference (called Accounts in versions of Mac OS X prior to Lion). Copy your user folder from the Users folder at the root level of your hard drive to the external hard drive. Once you’ve completed that process connect the drive you’d like to save your data to. I'd expect Apple storage engineers are working long hours to get a handle on this and a fix out the door.Īs an owner of a newly minted M1 MacBook Air, am I worried? No.Īm I looking for a fix Real Soon Now? Yes.Run through the usual setup process. Data corruption is a no-no, despite the fact that the universe hates your data. They know that while everything else in a computer system can be reset by a power cycle, your data is the one part of the system that is not transient.

WHY CAN MY MAC INTERNAL HARD DRIVE BE READ BY OTHER MACS PRO

A bug specific to how recently ported pro apps like Final Cut Pro and Logic Pro interact with the SSD controller.Mitigating write amplification requires careful juggling of DRAM buffers in the controller to ensure that only necessary data gets written to flash.

SSD controller firmware is complex due to the limitations of NAND flash. If the test comes back with errors report them and we can help you interpret what they mean. You can also run Apple Hardware Test which will test the drives integrity. Now you are thinking of upgrading your Mac with a higher capacity and higher performance M.2 NVMe drive. status in Disk Utility (Applications-Utilities-Disk Utility) and if it says anything but Verfied then its in trouble. You might have heard all the fuss about the better reliability and speeds etc.

WHY CAN MY MAC INTERNAL HARD DRIVE BE READ BY OTHER MACS UPGRADE

We already know the speed upgrade they give over standard SATA drives. We have talked about NVMe M.2 drives before.

WHY CAN MY MAC INTERNAL HARD DRIVE BE READ BY OTHER MACS FOR MAC OS

For Mac OS X: Macfuse and NTFS-3G drivers to read and write to NTFS formatted hard drives. NVMe M.2 Drives and Compatibility with Macs. Licensing is required to use it which is probably why Apple doesn’t fully support it. NTFS is a more modern Windows format but is proprietary to Microsoft. NTFS: Mac can only read, PC can read/write. SSD controller firmware is misreporting write activity. FAT32: Mac can read/write, PC can read/write.SMART was a good idea haphazardly implemented across many - but not all - drive's firmware.

WHY CAN MY MAC INTERNAL HARD DRIVE BE READ BY OTHER MACS SOFTWARE

The reporting software - based on SMART monitoring from hard drives - is mischaracterizing the SSD's activity.I'm confident that whatever the problem users are seeing, Apple's engineers will be on top of it in short order.īut where is the problem likely to be? In order of likelihood: They've led the industry in integrating flash into their notebooks and in high bandwidth consumer SSDs in general. So what's going on with the M1 SSDs?Īpple has some world-class SSD engineers.

While reads are microseconds quick, writes can take milliseconds - not much better than hard drives.Īnd there's more, like write amplification and read disturbs, that call for more controller acrobatics to mitigate.

Writes are WAY slow and take a lot of power.

what PCs use - NAND flash may handle as few as 500 writes over a cell's lifespan. That voltage steadily wears away the insulation that lines the quantum well. Herding electrons into a quantum well takes power, way more than the 5 volts common in solid state circuits. Electrons, those bad boys, are always trying to sneak out, which is why SSDs aren't forever, unlike, say, M Discs. In this range, you’ll find quality external drives that hold 500GB to 1TB of storage for Mac computers. Flash stores electrons in tiny physical quantum wells. Overall storage space will typically play the main role in the final price you’ll pay for an external hard drive.

NAND flash is an analog medium, unlike the magnetic bits in hard drives, or the optical pits in DVD media.

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