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Old 28th October 2013
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jggimi jggimi is offline
More noise than signal
Join Date: May 2008
Location: USA
Posts: 6,423

RAID 1 is mirroring. In softraid(4), this is at least two drives. Write operations are sent to at least two drives.

Soft updates, mount option softdep, only provides asychnronous writes for filesystem metadata. All other write operations -- your data -- are done synchronously.

Soft updates are most effective when doing mass delete operations, which are metatdata write operations.
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