28.11.2010 23:34, sf...@users.sourceforge.net пишет: > >>> - you want to distribute the read accesses for aufs to /storage1 and >>> /storage2 evenly? >> >> Exactly! >> >>> If so, how aufs can know these two fileA is identical? >> >> by the filename > > Aufs doesn't have such feature. > By the way, I should celebrate me who could understand you. :-) >
It's simple. I want backup my files, and when one of disks are fail, users will not notice it. Now the critical value for HDDs is not size, not rate but iops As you can see, critical value is near 200 reads per second DSK | sde | busy 101% | read 196/s | write 5/s | avio 4 ms | DSK | sdf | busy 81% | read 162/s | write 0/s | avio 4 ms | DSK | sdg | busy 27% | read 144/s | write 0/s | avio 1 ms | DSK | sdh | busy 21% | read 61/s | write 0/s | avio 3 ms | DSK | sdd | busy 0% | read 0/s | write 4/s | avio 0 ms | When I have same files on two disks and random access for them, I have and backup and decrease reads per second. -- WBR, Andrey Vasilishin CDIG1-UANIC, CDIG1-RIPE ------------------------------------------------------------------------------ Increase Visibility of Your 3D Game App & Earn a Chance To Win $500! Tap into the largest installed PC base & get more eyes on your game by optimizing for Intel(R) Graphics Technology. Get started today with the Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. http://p.sf.net/sfu/intelisp-dev2dev
