Thanks, CCC seems to have worked well to move my Time Machine.

"The behaviour of softraid, where I have to unmount all the filesystems on a given drive before a volume can be added or removed would not have been a...

Back when I used SGI's RAID, a volume was a file set, which was an ordered list of "plexes" (that is, logically a file system was the concatenation of...

No, it does not explain. You are able to initialize a filesystem quickly, which leads us to one of two possibilities: the parity system just happe...

Is identity coded as part of the partition, or is it coded in the partition table (or other header space reserved by Softraid) ?For example if I RAID0...

I am still in the experimentation phase, exploring so that I know limitations ahead of time. If I understand correctly, an implication of not moving d...

You can use lsof piped to grep /Volumes/VOLUMENAME to see which processes are using the drive. I had this difficulty a short time ago; it turned ou...

@Rich916 : make sure that you unmount all raid-based APFS in the finder before you try to create more APFS . You might also have to unmount all other ...

Verify of the internal drive cleared up the error flag.I have a (different, not previously mentioned) external drive that is failing badly, and perhap...

Sorry, I am not sure what you mean by "zero disk" in this context?