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MrCyberdude's avatar
MrCyberdude
Tutor
Apr 15, 2010

2TB WD20EARS HCL Advanced Format 4k Sectors TLER LCC WDidle3

EDIT: This thread was written before the Readynas group had recognized and addressed the WD Advanced Format HDD's. An issue that remains to this day is the massive LCC(Load Cycle Count) increases due ...
Hw & Hw Compatibility
Other
MrCyberdude's avatar
MrCyberdude
Tutor
Jun 11, 2010
Version      1.96   ------Sequential Output------ --Sequential Input- --Random-
                    -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
ReadyNasPro      8G   745  88 127790  22 82582  22  1477  98 213548  34 484.9  12
Latency              9936us     593ms     267ms   32760us     137ms     102ms
                    ------Sequential Create------ --------Random Create--------
                    -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files:max:min        /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
ReadyNasPro     256   239  99 313784  99 83281  69   257  99 322636  99   649  98
Latency               458ms     376us     426us     439ms    1307us    5947us

4KB sector alignment looks to be Fixed with 4.2.12-T9.
Speed is good and the lock ups appear to have stopped, more testing to do.

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