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常有人問我說 lvm 跟 raid 差在哪?
lvm 主要就是跨硬碟的功能(當然還有其他功能,像是 snapshot), 所以 raid 就只要專心處理容錯與加速問題即可。
例如:我先買了 2 顆硬碟 /dev/sda, /dev/sdb,先將他們設定 raid1 互拷做出一顆 /dev/md0 ,接著把 /dev/md0 弄成 lvm vg0 ,家目錄: vg0-home /home
有一天 /home 滿了,再買 2 顆硬碟 /dev/sdc, /dev/sdd ,raid1 互拷做出 /dev/md1 塞進 vg0 然後增大 /home 。
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常有人問我說 lvm 跟 raid 差在哪?
lvm 主要就是跨硬碟的功能(當然還有其他功能,像是 snapshot),
所以 raid 就只要專心處理容錯與加速問題即可。
例如:我先買了 2 顆硬碟 /dev/sda, /dev/sdb,先將他們設定 raid1 互拷做出一顆 /dev/md0 ,接著把 /dev/md0 弄成 lvm vg0 ,家目錄: vg0-home /home
有一天 /home 滿了,再買 2 顆硬碟 /dev/sdc, /dev/sdd ,raid1 互拷做出 /dev/md1 塞進 vg0 然後增大 /home 。
The text was updated successfully, but these errors were encountered: