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bcache

Last updated at Posted at 2014-07-13

SSDをHDDのキャッシュに使えるkernelモジュール。
3.10から入った。(CentOS7には無い)

  • /lib/modules/uname -r/kernel/drivers/md/bcache/bcache.ko.gz
インストール
yum install -y gcc libblkid-devel
git checkou http://evilpiepirate.org/git/bcache-tools.git
cd bcache-tools
make

専用パーティションをHDDとSSD側に用意する必要がある。
HDDが / に全部割り当てていてpartedで稼働中に変更が出来ないため断念。

SSDに普通にlinuxインストールしました。

bcacheの手順は
Bcache を使って SATA ドライブを速くする方法
でいけるとおもう

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