7 mirrors striped can potentially be more or less fault tolerant. In theory, 7 drives can fail without any data loss or performance penalty. Or just one if two in the same mirror fail.
Raidz2 would handle 2 disk failures regardless of which disks.
Striped mirrors will perform better, especially if using Virtual Machines (Where raidz/raid5 has major issues).
Hum, with mirror you will gain performance but for example raidz2 is much failure tolerant
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7 mirrors striped can potentially be more or less fault tolerant. In theory, 7 drives can fail without any data loss or performance penalty. Or just one if two in the same mirror fail.
Raidz2 would handle 2 disk failures regardless of which disks.
Striped mirrors will perform better, especially if using Virtual Machines (Where raidz/raid5 has major issues).
Are you building a NAS, right?
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Anyway ZFS is a smart choice ;)
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