Redpower服务器安装debian系统遇到的问题

~bash$ ls /dev/sd*
/dev/sda /dev/sda2 /dev/sdb /dev/sdc /dev/sde
/dev/sda1 /dev/sda3 /dev/sdb1 /dev/sdd
"此处的sdb是U盘"
~bash$ mount
rootfs on / type rootfs (rw,size=33443584k,nr_inodes=522556)
devtmpfs on /dev type devtmpfs (rw,relatime,size=33443584k,nr_inodes=522556,mode=755)
proc on /proc type proc (rw,relatime)
devpts on /dev/pts type devpts (rw,relatime,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw,relatime,mode=777)
tmpfs on /tmp type tmpfs (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
/dev/sda2 on /var/petitboot/mnt/dev/sda2 type ext4 (ro,relatime,norecovery)
/dev/sdb on /var/petitboot/mnt/dev/sdb type iso9660 (ro,relatime)
"优盘被mount在/var/petitboot/mnt/dev/sdb"
"如果是DVD,应该是 /var/petitboot/mnt/dev/sr0"
~bash$ ls /var/petitboot/mnt/dev/sdb
README.html css install
README.mirrors.html debian md5sum.txt
README.mirrors.txt dists pics
README.txt doc pool
boot firmware ppc
"这是debian的iso文件内容"
~bash$ ls /var/petitboot/mnt/dev/sdb/install
initrd.gz vmlinux
"这两个文件是引导文件"
~bash$ cd /var/petitboot/mnt/dev/sdb/install
~bash$ kexec -l ./vmlinux --initrd=./initrd.gz --append="root=hd:/dev/sdb" --exec

#之后在经过一段时间的初始化信息后，ipmitool 端会出现安装的信息。