给linux做磁盘整理

从一mysql dba的BLOG上了解到fragment对性能有影响。所以最好定期作scan。我今天才知道。呵呵，惭愧。如何做呢，如下：

mount -o ro,remount /

THen run the fsck as normal. When done, remount / as read-write:

mount -o rw,remount /

ref url:
http://www.linux-sxs.org/housekeeping/frag.html