Incidentally, the replacement SSD in 8D #1 has been humming along just fine for the past six weeks. ![]() I use it for a MacBook Pro (Big Sur) and an iMac (Mojave) it works great. I’m open to the idea that it was a bad lot of SSDs, but it still seems unusual to me that they would both fail at almost the exact same time, even though one was used so much less than the other. Download ChronoSync Express for macOS 10.10 or later and enjoy it on your Mac. I reformatted one of them and it seems to be working fine, though I haven’t attempted to use it long-term.īefore contacting Samsung, I wanted to see if anyone had any ideas. No errors were reported, though I suspect it’s probably because they were connected to the Mac via USB 3.0. I put each of the two failed SSDs into an external enclosure and ran Samsung’s SSD diagnostic software. Remember, though purchased at the same time as the initial one that failed, it has probably been used ~1/1,000 of the amount of time. However, shorty after plugging in 8D #2 (daisy-chained to 8D #1), IT’S Samsung SSD reported a failure. This will put an installation app in your Applications folder, which you should leave there. I purchased a brand new exact replacement from Amazon and all seemed to be fine. macOS Mojave (2018) macOS High Sierra (2017) Direct Disk Image Links for Older macOS Downloads Once any of these downloads are complete, mount the. Just before running the Chronosync script to mirror 8D #1 to 8D #2 for the third time since October, the Samsung accelerator SSD was reported as failing by 8D #1. ChronoSync must be one of the most flexible backup utilities available, but doesn’t force you to negotiate windows full of cryptic options: it offers a whole suite of setup assistants to guide you through creating synchronisation and backup tasks, and for modifying existing tasks. Therefore, while the main 8D is up and running 24x7 since October, the second 8D has only run for a total of ~4 days. It is then disconnected and stored offsite. ![]() The other is only used every three months or so to serve as a mirrored backup to the primary unit. Important Note 1: Default Trigger Behavior. This document provides an overview of what is important to know along with what is neat, new and different. Heres a step-by-step guide to performing a clean install of newest macOS Mojave using a bootable USB drive without losing your data. One is used every day as my primary data drive on a 2017 iMac running macOS Mojave. 9 ChronoSync v4.9 introduces many significant new behaviors and features. I purchased two Drobo 8Ds in October 2019 and equipped each with five Seagate 10TB HDDs, as well as a Samsung 2TB 860 EVO SSD (Drobo-recommended) for acceleration.
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