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Gentoo Taiwan 討論區 • 檢視主題 - 求救.. 軟Riad0 Grub 不能安裝?

求救.. 軟Riad0 Grub 不能安裝?

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求救.. 軟Riad0 Grub 不能安裝?

文章aru » 週二 6月 08, 2010 10:38 am

硬碟組合是.. SSD 80G *2 & 2T * 1

SSD 80G *2 跑 Raid0 當系統碟衝速度
2T 當資料碟

我用 livecd 開機

參照 http://www.gentoo.org/doc/en/gentoo-x86 ... nstall.xml

開機後 gentoo 會識別
sda = SSD 80G
sdb = SSD 80G
sdc = 2T HD

建立 device /dev/md0
mknod /dev/md0 b 9 1

建立 raid0
mdadm --create /dev/md0 --level=0 --raid-devices=2 /dev/sda1 /dev/sdb1

檢查狀態啟用中..
cat /proc/mdstat
Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : active raid0 sda1[0] sdb1[1]
156296192 blocks 32k chunks


然後切 partition 按照 http://www.gentoo.org/doc/en/gentoo-x86 ... nstall.xml 做快速安裝...
livecd ~ # fdisk -l /dev/md0

Disk /dev/md0: 160.0 GB, 160047300608 bytes
2 heads, 4 sectors/track, 39074048 cylinders
Units = cylinders of 8 * 512 = 4096 bytes
Disk identifier: 0x681ca63a

Device Boot Start End Blocks Id System
/dev/md0p1 * 1 12 96358+ 83 Linux
/dev/md0p2 13 110 787185 82 Linux swap / Solaris
/dev/md0p3 111 72943 585031072+ 83 Linux

做到 Code Listing 2.29: Install grub .. 就做不下去..

請問 Grub 是不是無法認識 /dev/md0 這東西? 無法寫入... 還是 Raid0 是虛擬.. 所以一定要用一般硬碟當 boot .. 然後開機後才用啟用 raid?
Have a nice day~
aru
 
文章: 17
註冊時間: 週日 5月 04, 2003 12:50 am
來自: 地球村

Re: 求救.. 軟Riad0 Grub 不能安裝?

文章scsi » 週二 6月 08, 2010 11:49 am

是的,grub不能裝在raid0上面
軟體的raid是在載入kernel後才能辦識

建議你就切個約100M的partition給/boot來裝grub
其它東西就可以裝在raid0的partition來加快速度了
我也是這麼做的 :lol:
世界再大,不過是妳我之間的事
:111.gif: 欲使用GOT的ebuild請看
圖檔  
頭像
scsi
 
文章: 1326
註冊時間: 週二 10月 14, 2003 7:49 am

Re: 求救.. 軟Riad0 Grub 不能安裝?

文章aru » 週二 6月 08, 2010 3:35 pm

了解... 多謝 :)
Have a nice day~
aru
 
文章: 17
註冊時間: 週日 5月 04, 2003 12:50 am
來自: 地球村


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