hi,all.
i am using vblade to export some images.i found something strange.
first,i export one image to serve many diskless workstation. i found the
latter boot machine didnt cause any disk io.
To achive read/write spliting.i use the linux devicemapper mechanisim to
map some snapshots from the original read only image . vblade export each
snapshot to serve one workstation,but then it seems all boxes cause real disk
io.that is not what i want.i just expect when the latter workstation boot,the
server would use buffer blocks to response the blocks requests.
anybody know how can i make the linux buffer mechanism work honestly for
me?
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