![]() ![]() ![]() i suppose you could then back up then reformat the drive even smaller, but at some point it becomes a dangerous chase. if the unallocated space shrinks down to where it's almost gone - you know you're nearing 'end of life'. SSD HEALTH CHECK REDDIT SOFTWAREIf it has, that means that the drive is beginning to provision blocks from your separately allocated free space. Crystal Disk Info is open source software which can give you health and temperature information for your SSD or HDD. then, from time to time - maybe every six months, boot into Boot-it Bare Metal, and check if that unallocated space has shrunk at all. So what do you do? when you first format, leaving unused space unformatted, make a note of exactly how many gigabytes you left unused (easiest to determine with something like terabyteunlimited's Boot-it Bare Metal). Its primary function is to detect and report various indicators of drive reliability with the intent of anticipating imminent hardware failures. when you format the drive, leave some number of gigabytes unformatted, in order to provide even more of a 'buffer' for worn blocks. (Self-Monitoring, Analysis and Reporting Technology often written as SMART) is a monitoring system included in computer hard disk drives (HDDs), solid-state drives (SSDs), and eMMC drives. It's often recommended that end users also over-provision. at least, i believe this is a means of doing so: as most are aware, SSD's are usually over-provisioned - a drive marketed as 100gb is actually (fore example) 120gb, with the 20gb hidden from the user as unused space that the controller can use to replace blocks that have 'worn out'. Until then, it drives just fine.There is a way to determine 'wear'. ![]() Like your car, which doesn't slow down when the tank is half empty. Vendors will calculate SSD lifespans for you, and there are many calculators available online. SSD HEALTH CHECK REDDIT MANUALIt’s not up to users to make their own complicated manual measurements of SSD lifespans. and Samsung SSD tools like Samsung Magician Software, but there are many on the market. So you have all the 128 GB available, until suddenly everything reaches the write limit and breaks down. SSD health check tests include S.M.A.R.T. And the data that was written again and again is now in a fresh area with only one or two writes so far. So your music album moves to a part of the drive that has already been written 90 times, but that's Ok because it is probably not going to be written again. When the SSD drive notices that some blocks are written a lot (say 90 times) it swaps them with blocks that are used very little. Say you have a 100 MB music album, those 100 MB will be written once and never be written again as long as you keep the music. Newer solid-state drives (SSDs) dont have moving parts, but their storage cells degrade a little bit every time you write to them, meaning they too will. If the field reads Verified, then your SSD is healthy. status in the information section at the bottom of the main pane. SSD HEALTH CHECK REDDIT HOW TONow you have blocks that are written a lot, and others are never written at all. How to perform a SMART SSD test with Disk Utility: Launch Disk Utility (you can find it in the /Applications/Utilities/ folder). On an SSD drive, every 128KB block can be written a certain number of times, say 100 times (I make up this number, I have no idea what the actual number is). ![]()
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