3/2/2023 0 Comments Mac keep drive spinningEach has its advantages and disadvantages, and-unlike the file system-the type you buy is the type you're stuck with for the life of the drive.Ī solid-state drive (SSD) offers quick access to your data because it stores your bits in a type of flash memory rather than on spinning platters. Once you've settled on a file system, you then have to determine which storage medium you want: solid-state or spinning disk. Some highly specialized external drives might not work with Macs even if they're formatted correctly, but consumers looking for extra space simply to store backups or large video collections aren't likely to encounter them.Įxternal Drives: SSDs vs. If you really fancy a consumer-oriented drive formatted for Windows (which will usually come pre-formatted in the NTFS format), you can use the Disk Utility in macOS to reformat it after you bring it home from the store. Of course, you can easily wipe and reformat most external drives, so you're not limited to buying only those intended for use with Macs. We'll start with a breakdown of our favorite external drives for Macs, followed by a guide to how to shop for the best one for you. Read on as we solve this and all of your other Mac external-storage quandaries. In fact, in many cases it makes sense to choose an inexpensive non-Thunderbolt drive that isn't targeted toward Mac use. So what's a Mac user to do who just wants to back up his or her files using Time Machine, or stash a large video collection? Spoiler: A Thunderbolt drive isn't your only option far from it. As a result, they are typically external SSDs, or even multidrive RAID arrays, which means they also tend to be expensive. The main difference is that many drives made specifically for Macs use the upgraded Thunderbolt data transfer protocol, which promises super-fast data transfers for photographers and video editors who need to store mountains of footage and access it very quickly. Most laptops with either operating system now come with at least one oval-shaped USB-C port, and it's the one you'll want to use for connecting your external drive. How to Set Up Two-Factor Authenticationīuying an external hard drive or SSD for your Mac is not all that different from buying one for your Windows PC.How to Record the Screen on Your Windows PC or Mac.How to Convert YouTube Videos to MP3 Files.How to Save Money on Your Cell Phone Bill.How to Free Up Space on Your iPhone or iPad.How to Block Robotexts and Spam Messages.And even if I could, it would return /dev/sdX2, where X is whatever letter it happens to be and 2 is the only usable partition. I'm not sure if this is the correct usage of skip=$RANDOM to read from a random block to prevent reading from cache.Īlso, how can I make sure I target the correct drive persistently across several boot-ups or other orders of plugging in other devices, rather than targeting whatever ends up being /dev/sdc? I'm thinking something like dd if=(findmnt -rn -S UUID=number_from_blkid -o SOURCE) of/dev/null count=1 skip=$RANDOMīut I don't know how to nest the return of the parenthetical statement into the outer statement. I don't know if this info is relevant, but I've edited the crontab several times, and in each time, it suggested to save in a different file by default, which I followed. Yes, I did check whether the drive is at /dev/sdc. This spins up the drive: sudo dd if=/dev/sdc of=/dev/null count=1 skip=$RANDOMīut when I put the same thing in crontab via sudo crontab -eĪnd * * * * * dd if=/dev/sdc of=/dev/null count=1 skip=$RANDOM I don't see any way to adjust APM through hdparm, so I'm assuming it's limited by the firmware of the dock. I want to prevent my hard drive, an internal drive externally attached via USB dock, from spinning down.
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