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IBM DS4000 DS5000热备盘配置方法

  对于Stoarage Manager 10,定义热备盘有两种方法:自动分配(Automatic assign)和手工分配(Manual assign)。

    注意:
    1)从Storage Manager 10.10开始,全局热备盘不再有数量限制。
    2)热备盘的容量要大于或等于存储子系统中其他磁盘的容量
    3)在包含大量磁盘的配置中,由于重建时间较长,有必要定义多个热备盘
    4)如果DS4000中包含FC和SATA硬盘,需要考虑定义FC和SATA作为热备盘,因为FC硬盘不能保护SATA盘创建的Raid组,反之亦然。

    自动分配(Automatic assign)
    自动分配热备盘步骤如下:
    1. 选择Drive → Hot Spare Coverage 如图1


 
图1
 
  2. 这里打开Hot Spare Drive Options对话框,如图2。选择Automatically assign drives,每30块相同类型的磁盘(FC或SATA)自动定义一块热备盘。
 

图2
 
    手动分配(Manual assign)
    手动分配热备盘步骤如下:
    1. 用鼠标左键单击选中需要设置热备的硬盘,然后选择图1中的下拉菜单Drive → Hot Spare Coverage
    2. 打开Hot Spare Drive Options对话框,如图2,选择Manually assign individual drives。如果DS4000中任何一个阵列(Array)中的硬盘容量大于当前选定的热备盘,会出现警告信息,说明不是所有的阵列(Array)都被保护
    3. 解除(unassign)热备盘可以将该盘置为可用(free)状态,用鼠标左键单击选中该盘,选择Drive → Hot Spare Coverage(如图1), 然后在图2中选择Manually unassign individual drives option
    查看/更改热备盘(View/change hot spare coverage)
    配置热备盘后,可以通过以下步骤查看或修改
    1. 在 Storage Manager Client中,选择下拉菜单Drive → Hot Spare Coverage(如图1)
    2. 在图2中选择View/Change current hot spare coverage再点击OK,弹出对话框如图3所示
 

图3
 
  实例中,只分配了一块SATA的热备盘,如图3所示该热备盘只能对data阵列(array)保护,而另外两个阵列(array)得不到保护。这时我们可以再分配一块与这两个阵列(array)硬盘接口相同的热备盘。
  3. 点击图3中的Assign按钮,弹出对话框(图4)
 

 
    如图4,这里包含FC和SATA盘,上例中一些磁盘不能由热备盘保护是因为没有FC的热备盘被分配;另一种可能是磁盘容量造成的。
    如果只分配一块热备盘,该盘容量要大于等于所有被保护的硬盘,在上例中,我们有67GB和136GB两种容量的FC硬盘,这里选择一块136GB硬盘作为热备盘,图4中选择了ID 85的盘柜上第12个槽位上的硬盘,然后单击OK
    选择View/Change current hot spare coverage(如图2),可以检查热备盘保护了哪些磁盘阵列(如图3)
 
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