hugo daily push 2019-03-27 22:00:01
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content/post/transfer-cent62-using-rsync.md
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title: "[筆記] 用rsync 移轉 centos 6.2的老機器 Transfer Cent6.2 using rsync"
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date: 2019-03-27T17:44:49+08:00
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noSummary: false
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featuredImage: "https://h.cowbay.org/images/post-default-09.jpg"
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categories: ['筆記']
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tags: ['centos','linux']
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author: "Eric Chang"
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---
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公司的一台老伺服器空間不足了,要執行指令都會中斷,所以想要擴充空間。
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看起來不難搞,事實上.....
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<!--more-->
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因為前人的功績,所以這台當初的磁碟分割有點「特別」!
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實體硬碟是兩顆500G SATA
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然後各切三個 partition (sda1/sda2/sda3 and sdb1/sdb2/sdb3)
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sda2/sdb2 用250M 來組 raid1 (/dev/md0) 給 /boot 用
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sda1/sdb1 各用40G 組raid1 (/dev/md1) 做成LVM 的VG ,然後再切出四個大小不同的分割
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```
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* / (sysvg-root)
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* /usr (sysvg-usr)
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* /var (sysvg-var)
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* /tmp (sysvg-tmp)
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```
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What the Fuck !?!? 然後最好笑的是,40G的空間,還留了2G,可以讓後面的倒楣鬼(對,就是我)
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在碰到空間不足的問題時,還可以「擴充」
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然後剩下的sda3/sdb3 大概有四百多G空間,一樣是組raid1 然後分割給這些目錄用
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```
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* /data (datavg-datatest) (對的,沒有錯 真的叫 datavg-datatest,媽的你test個鬼啊!還在test的東西直接上線使用?)
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* /web (datavg-web)
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* /www (datavg-www)
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* /home (datavg-home)
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```
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幹!誰可以告訴我 www/web 的差異在哪裡?為什麼要特別切兩個分割給這兩個目錄用?
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快下班了,明天再來寫...
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