7/7/2023 0 Comments Disk utility for mac raid![]() ![]() The third kind of disk set is JBOD, meaning just a bunch of disks. The latter situation can be dealt with by adding one or more extra disks to the set, either as additional slices (live copies of all the data stored by the set) or as spares, which are ordinarily idle and only called into action when a slice fails, in order to rebuild the set so that you have your desired minimum number of copies.Ī mirrored disk set’s capacity is the same as the lowest capacity disk that’s part of it, so you’ll want them to match in order to make the most efficient use of all of them. The former situation can be addressed by creating one or more periodic backups of the mirrored set and storing that separately, in the hope of limiting propagation of any damage. ![]() The worst cases here are if data on every disk becomes corrupted or all of the disks fail at the same time. The advantage of this is that as long as one disk does not fail, you can rebuild the array by replacing those that have become faulty.
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