On Sat, 27 Dec 2014 04:59:51 PM you wrote: > Power supply means bigger capex and less redundancy, as the emergency > procedure in case of power failure is less deterministic than with > controlled battery-backed cache. Yes, the whole auto shut-down procedure is rather more complex and fragile for a UPS than a controller cache > Anyway XFS nobarrier > does not bring enough performance boost to be enabled by my > experience. It makes a non-trivial difference on my (admittedly slow) setup, with write bandwidth going from 35 MB/s to 51 MB/s -- Lindsay
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