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我安装的是Ubuntu 11.04 64位桌面版本，主板是880G。
两块500G硬盘已经在主板bios里面设置成raid0，先安装了win7。
硬盘目前结构，100M win7隐藏分区，另外还有c，d，e盘各100G。
经过改进的步骤：
先试用Ubuntu，然后开始安装。边安装，还可以一边上网，两不耽搁。
开始的安装很顺利，到最后一步grub无法安装，出现致命错误。
这个时候是关键了，不要慌张。
在附件程序组里面打开一个终端，我参考了这个帖子的方法，http://www.linuxidc.com/Linux/2011-05/36502.htm
以下是步骤：
$ sudo -i
先挂根目录
# mount /dev/mapper/pdc_XXXXXXXXXXn /target
pdc_XXXXXXXXXX在安装过程中应该有，没有记住的话，ls -l /dev/mapper/ 命令可以列出来。
再挂 /home
# mount /dev/mapper/pdc_XXXXXXXXXXn /target/home
n是和你分区时候的代码一致。
其他的挂载点根据自己安装的情况定，如果需要共享win分区，可以考虑把win目录也mount到 /media/c ，/media/d
然后是系统相关的。
# mount -o bind /proc /target/proc
# mount -o bind /sys /target/sys
# mount –rbind /dev /target/dev
然后chroot进入我们已经安装好的系统，就在target目录里面，（Now we do a chroot to the mount system.）
# chroot /target /bin/bash
创建device.map给grub（Now create the file device.map, used by GRUB.）
# echo “(hd0) /dev/mapper/pdc_XXXXXXXXX” > /boot/device.map
这里的pdc_XXXXXXXXXXXX 是raid0阵列的代号，后面不要加数字
# cp /boot/device.map /boot/grub/
然后安装grub。
# grub-setup /dev/mapper/pdc_XXXXXXXXXXXX
这里的pdc_XXXXXXXXXXXX 是raid0阵列的代号，后面不要加数字
# update-grub
grub会自动找到并且配置好ubuntu和win7启动选项，生成/boot/grub/grub.cfg文件。
这样就大功告成了。
重启就可以。
Install Ununtu 11.04 on an OCZ RevoDrive 120G SSD with RAID0, part two: The solution
Installing Ubuntu 11.04 (Natty Narwhal) on a (fake) RAID0 SSD is not easy or straight-forward. This post describes how I got it all to work!
…
All changes I made was done through a terminal running from the Live media (USB or CD doesn’t matter.)
My hard-drives were set up as follows:
/dev/mapper/sil_bhafabbhfgah2 /
/dev/mapper/sil_bhafabbhfgah1 /boot
/dev/sda1 /var
/dev/sdb2 /home
tmpfs /tmp
First we mount all hard-drives of the computer, in their own places:
$ sudo mount /dev/mapper/sil_bhafabbhfgah2 /target
$ sudo mount /dev/mapper/sil_bhafabbhfgah1 /target/boot
$ sudo mount /dev/sda1 /target/var
$ sudo mount /dev/sdb2 /target/home
$ sudo mount -o bind /proc /target/proc
$ sudo mount -o bind /sys /target/sys
$ sudo mount –rbind /dev /target/devIt is important that all target partitions are mounted.
Now we do a chroot to the mount system.
$ sudo chroot /target /bin/bash
From here we need to install the dmraid package:
$ apt-get install dmraid
Now create the file device.map, used by GRUB.
$ echo “(hd0) /dev/mapper/sil_bhafabbhfgah” > /boot/device.map
$ cp /boot/device.map /boot/grub/Change the device name (sil_bhafabbhfgah) to the appropriate for your system.
Now make sure GRUB is installed properly on the device:
$ grub-setup /dev/mapper/sil_bhafabbhfgah
$ update-grub
Now we might need to edit the GRUB configuration file: /boot/grub/grub.cfg. All lines looking something like:
set root='(hd6,msdos2)’should be changed to:
set root='(hd0,msdos2)’The actual line (the parts containing hd6 and msdos2) may of course be different.
The final thing to do is edit the /etc/fstab file, replacing all partion-references with UUIDs. Here is my fstab as example:
UUID=7e9f38de-b0b3-4eaf-8f5b-2f83b1a0674c / ext4 errors=remount-ro,noatime,nodiratime 0 1
none /tmp tmpfs rw,nodev,nosuid,noatime,nodiratime,size=1024m,auto 0 2
none /var/tmp tmpfs rw,nodev,nosuid,noatime,nodiratime,size=1024m,auto 0 2
# /var was on /dev/sda1 during installation
UUID=f1abaa31-25a9-414e-a7fa-f05ab492d5a0 /var ext4 rw,noatime,auto,nodev,nodiratime 0 2
# /boot was on /dev/mapper/sil_bhafabbhfgah1 during installation
UUID=55a9024e-7806-4ec5-b68e-8e6065cf3587 /boot ext4 rw,nodev,noexec,noatime,nodiratime,auto 0 2
# /home was on /dev/sdb2 during installation
UUID=2e0f5ff4-146d-492f-a6e7-cad460db79ee /home ext4 rw,noatime,nodiratime,auto,nodev,nosuid 0 2
# /home/arrow/extra1 was on /dev/sdc2 during installation
UUID=4867268a-b6d1-469f-9190-b2807695b09e /home/arrow/extra1 ext4 rw,noatime,nodiratime,auto,nodev,nosuid 0 2
# /home/arrow/extra2 was on /dev/sdc2 during installation
UUID=73430b1a-91df-4908-bd16-4b1ed07876e4 /home/arrow/extra2 ext4 rw,noatime,nodiratime,auto,nodev,nosuid 0 2
# swap was on /dev/sdc1 during installation
UUID=68a20ae0-12e0-413d-b80f-b39fd42e3153 none swap sw 0 0
/dev/fd0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0
Now reboot, and keep your fingers crossed!
