今天在Dell PowerEdge 2950上安装VMware ESX，有6块1TB硬盘做成RAID-5，可用的硬盘空间大约为4.5TB左右。开始VMware ESX安装后，在磁盘分区时，发现只能认出来2TB的磁盘大小。
重新启动服务器，按CTRL+R进入管理工具，查看RAID-5可用磁盘空间大小为4.6TB左右，没有问题，怀疑问题是不是出VMware ESX？
在Google上搜索到解决方法如下：
If you are using simple raid types (0,1,5,6) then you can create multiple virtual disks on each raid group.
1) Press R during the boot process to enter the PERC configuration utility.
2) Create a new virtual disk. After you have selected your RAID level (must be 0, 1, 5, or 6), and your physical disks; enter 2097152 or smaller for the VD Size in MB. When you proceed to the VD name, the utility will automatically subtract 1 from the VD size.
3) Finish creating the new virtual disk.
4) From the main screen, expand "space allocation" and select "Free Space".
5) Press to create a new virtual disk, and enter a disk size less than or equal to 2097152 for the 2nd virtual disk.
6) You may repeat steps 4 and 5 to create up to 16 virtual disks for each Disk Group.
The other option, which someone else posted, is to create multiple raid groups. This also works.
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