![]() You may find something like Disk Utility in the utilities which may be able to a read sector scan. If that sounds really scary, you may not want to do it. Copy in the wrong direction and you could erase your SSD and all your data. Make double dog super ultra incredibly measure thrice cut once sure you know which DD parameter is which and which DRIVE is which. But, errors show a need for further maintenance or troubleshooting. You still want to read every sector that it can. Turn on verbose logging and tell it to ignore errors initially. You could use DD from the command line to copy every sector to /dev/null. An AV scan will force the drive to read all executables. ![]() Anyway, if I recall, Mac's have a Linux subsystem or something like it under the hood, especially the command line.īacking up the SSD with an image backup (every sector) would force the SSD to read all sectors and, as the SR docs say, bring the drives attention to each sector. My latest attempt to update Mint on a separate partition crashed that Linux system. ![]() I only know a teeny bit more about Linux since I only use it once every two years or so when I want to try having it on my system as a backup in case Windows crashes. Here are some things to consider as alternatives. May your bits be stable and your interfaces be fast. Somebody with Mac experience can tell you about the Mac specifics. There's a possibility that your data could be come inaccessible. Different drives will do different things when they reach end of life. If the drive is close to its end of life, get the data off of it and replace it. There may be a percentage used up indicator. This will allow you to check how many total drive writes or how many TB have been written and compared to the total longevity of the drive. Consider getting the SSD manufacture's own software for monitoring drive health. A level 4 sweep will use up 2 Total Drive Writes, but it will totally refresh the drive. There will be a spec somewhere that says how many TB can be written or how many total times the drive can be filled (Total Drive Writes). Level 4 will read each sector, invert each sector, write it back, read it again, invert it again, write it again. Then, you could run Spinrite on level 2 which will read all the sectors. If you have the capability to, backup your Mac drive. That way the writes are spread all over the media. That means each new write to a logical block from the user interface writes to a new physical location on the disk. But, generally, any solid state memory including SSD's has wear leveling. I don't know if rewriting an existing file rewrites to the same sector. Let us know your thoughts in the comments.Hi I don' know anything about Mac so someone else with general knowledge can jump in. ![]() That being said, hopefully, there will still be a way to make your Mac computing flexible to fit your needs. Swapping in a 2 TB HDD will always be cheaper than buying an Apple certified 2TB expansion HDD with an Apple-branded modular enclosure. Will it be limited also to dongles or only Apple-approved expansion modules? Probably. With the sort of experience I'm having with maxing out my Mac mini's Thunderbolt 3 ports, I'd be lying if said I wasn't worried about Apple's upcoming Mac Pro that is rumored to be "modular". Note that these types of customized home folders should only be used if you use a stationary Mac like a Mac mini or an iMac. If you're really in need of freeing up local disk space, you can also set up Symbolic Links in your home folder to have all of your documents, downloads, music, etc, run from the remote disk. Now you'll have a Photo Library running from your remote drive no longer using local disk space. So for example, if you want to open a new Photo Library from the networked location, do the following. Typically, the mount will be in /Volumes/NameOfShareYouSelected. Now that you have the network drive permanently mounted, you can assign your various programs to use that location for default file storage. Now each time you log in, that remote drive will be mounted. ![]()
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