[文章作者:张宴 本文版本:v1.0 最后修改:2009.06.17 转载请注明原文链接:http://blog.zyan.cc/post/415/]

  正为视频、图片存储发愁,一个偶然的机会,获知公司在廊坊机房机架上有一台“300GB*14块硬盘”磁盘整列柜,竟然没人使用。周一申请了一辆公司的车,去廊坊机房将该盘阵拖了回来。

  环境:

  一台“惠普Proliant DL380 G4服务器(2U机架式)”,已安装CentOS 5.3 64位操作系统;
  一台“惠普Modular Smart Array 500G2磁盘阵列柜”,插满14块标称300GB的SCSI硬盘;
  一块“惠普 Smart Array 642阵列卡”,插在“惠普Proliant DL380 G4服务器”;
  一根SCSI连接线,连接“惠普 Smart Array 642阵列卡”和“惠普Modular Smart Array 500G2磁盘阵列柜”。

  点击在新窗口中浏览此图片



  配置步骤:

  1、在“惠普Proliant DL380 G4服务器”PCI插槽中安装一块Smart Array 642阵列卡,用SCSI线连接“惠普MSA 500G2磁盘阵列柜”。

  点击在新窗口中浏览此图片

  2、在以下网址点击右侧“Support”栏目中的“Support matrices”,查看“HP Proliant DL380 G4服务器”支持的“HP SmartStart CD光盘类型”:
  http://www.hp.com/servers/smartstart

  点击在新窗口中浏览此图片

  3、通过以下网址下载 HP SmartStart 8.25 x64 光盘,解压后有一个ISO镜像文件,将它刻录到CD刻录光盘上:
  ftp://ftp.hp.com/pub/softlib2/software1/cd/p1760479716/v51549/smartstart-8.25-0-x64.zip

  4、将SmartStart光盘插入“惠普Proliant DL380 G4服务器”的光驱,选择服务器开机从光盘启动,在光盘引导后的图像界面“Array Configuration Utility”中,会显示所有的磁盘阵列卡,包括“惠普Proliant DL380 G4服务器”自带的阵列卡和“惠普MSA 500G2磁盘阵列柜”的阵列卡。
  (1)、点击选择“MSA 500G2”阵列卡。先选择创建磁盘组(Create Array),14块硬盘全选上;
  (2)、再选择创建逻辑盘(Create Logical Drive)。因为这里插了14块标称300GB的SCSI硬盘(实际容量(300GB / 1.024 / 1.024 / 1.024) * 14 / 1024 ≈ 3.8TB),而“惠普MSA 500G2磁盘阵列柜”的每块逻辑盘最大只能支持2TB的数据容量,所以至少需要创建两块逻辑盘,第一块逻辑盘选择2TB,第二块逻辑盘使用默认值,即剩余大小。每块逻辑盘可选择做RAID 0、RAID 1、RAID 5和RAID 6,缺省配置是RAID 6(可损坏任意两颗硬盘,但性能比RAID 5略低8%~15%)。因为是图形界面,这一部分操作比较简单,就不再详细描述。

  5、使用SmartStart光盘创建完逻辑盘之后,重启“惠普Proliant DL380 G4服务器”。

  6、重启后,输入root帐号密码登入CentOS 5.3 x86_64系统。

  7、使用fdisk -l命令查看系统是否已经认识“惠普MSA 500G2磁盘阵列柜”的逻辑盘:
fdisk -l

  这时,如果屏幕显示三块盘,则表示配置成功。第一块盘为服务器自带的磁盘阵列,安装了操作系统,划分了/、/boot、/usr、/data0、swap等分区,第二、三块盘为“惠普MSA 500G2磁盘阵列柜”的逻辑盘:
引用
Disk /dev/cciss/c0d0: 291.3 GB, 291331192320 bytes
......
Disk /dev/cciss/c0d1: 2199.0 GB, 2199023229440 bytes
......
Disk /dev/cciss/c0d2: 1700.9 GB, 1700968609792 bytes


  备注:以下配置流程对于已安装系统的Linux服务器挂载新硬盘同样适用,只不过硬盘名称换成/dev/sdb、/dev/sdc......而已。

  8、为“惠普MSA 500G2磁盘阵列柜”逻辑盘创建分区:
  (1)、为/dev/cciss/c0d1逻辑盘创建分区:
fdisk /dev/cciss/c0d1

  点击在新窗口中浏览此图片
  输入n回车,再输入p回车,再输出1回车,一路回车,最后输入w回车保存。

  (2)、为/dev/cciss/c0d1逻辑盘创建分区:
fdisk /dev/cciss/c0d2

  输入n回车,再输入p回车,再输出1回车,一路回车,最后输入w回车保存。

  (3)、这时候再用fdisk -l命令,应该可以看到“/dev/cciss/c0d1p1”和“/dev/cciss/c0d2p1”两个分区。

  9、格式化“惠普MSA 500G2磁盘阵列柜”两块逻辑盘的分区:
mkfs.ext3 /dev/cciss/c0d1p1
mkfs.ext3 /dev/cciss/c0d2p1


  10、为两个分区做一个label标签(准备将/dev/cciss/c0d1p1挂载到/data1,/dev/cciss/c0d2p1挂载到/data2):
e2label /dev/cciss/c0d1p1 /data1
e2label /dev/cciss/c0d2p1 /data2


  11、创建/data1和/data2目录:
mkdir /data1
mkdir /data2


  12、用mount命令挂接“惠普MSA 500G2磁盘阵列柜”逻辑盘分区:
mount /dev/cciss/c0d1p1 /data1
mount /dev/cciss/c0d2p1 /data2


  13、因为mount挂载在重启服务器后会失效,所以需要将分区信息写入到/etc/fstab文件中:
vi /etc/fstab

  加入以下两行:
引用
LABEL=/data1            /data1                  ext3    defaults        1 2
LABEL=/data2            /data2                  ext3    defaults        1 2


  加完之后,我们看一下完整的/etc/fstab文件:

  点击在新窗口中浏览此图片

  14、为了保险起见,重启“惠普Proliant DL380 G4服务器”,看看是否出错:
reboot


  15、“惠普Proliant DL380 G4服务器”启动成功,我们可以看到/data1和/data2两个分区,一个2TB,一个1.6TB。

  点击在新窗口中浏览此图片

  16、OK,已经可以将“惠普Proliant DL380 G4服务器”和“惠普Modular Smart Array 500G2磁盘阵列柜”运往珠海电信IDC机房。




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