On 11/19/2013 08:02 PM, YIP Wai Peng wrote: > Hm, so maybe this nfsceph is not _that_ bad after all! :) Your read clearly > wins, so I'm guessing the drdb write is the slow one. Which drdb mode are > you using? Active/passive pair, meta-disk internal, protocol C over a 5"-long crossover cable on eth1: 1000baseT/Full. "Protocol B" would probably speed up the writes, but when I run things that write a lot I make them write to /var/tmp anyway... cheers, -- Dimitri Maziuk Programmer/sysadmin BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu
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