January 14, 20179 yr Hello, I've adjusted unRAID to my liking and am at the point where I won't change much in the future. My cache drive is unmirrored because of SATA port restrictions and my preference for XFS. My docker containers, VMs, VM isos, and appdata are only on the cache drive. Is it possible to stop the array and execute dd if=/dev/sdb of=/path/to/external/disk/image.img to save an image of the cache drive to an external drive so I can do the reverse in case the cache drive dies and have a "known good" status without having to reconfigure everything? CA backup already saves appdata to the array every month but that doesn't include VMs and the other stuff. I feel like being able to just restore a raw diskimage using dd on my laptop (with an USB 3.0 dock) would be the fastest and easiest recovery method in case of a failure.
January 19, 20179 yr I can't think of any reason why that shouldn't work, but not something I can verify.
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