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저널링 옵션과 쓰기 레이턴시(write latency) 테스트

###################################################### /dev/sdb7 on /snapshot type ext3 (rw,data=writeback) [root@yum /]# time dd if=/dev/zero of=/snapshot/testfile bs=1024 count=2048000(write a 2Gfile) 2048000+0개의 레코드를 입력하였습니다 2048000+0개의 레코드를 출력하였습니다 real 0m52.466s user 0m0.288s sys 0m7.816s [root@yum snapshot]# time cat testfile (when test file was 20M file) real 0m14.482s user 0m0.004s sys 0..
리눅스 2013. 1. 16. 16:42
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