Sun Cluster 系統管理指南 (適用於 Solaris 作業系統)

如何修改法定裝置節點清單

您可以使用 scsetup(1M) 公用程式,在現有法定裝置的節點清單中新增或移除節點。 若要修改法定裝置的節點清單,您必須移除法定裝置、修改節點與要移除的法定裝置之間的實體連接,然後再次新增法定裝置到叢集配置。 在新增法定裝置後,scconf(1M) 會自動替所有附加到磁碟的節點配置節點至磁碟的路徑。

  1. 成為叢集上任何節點的超級使用者。

  2. 確認您要修改的法定裝置名稱。


    # scconf -p | grep Quorum
    

  3. 輸入 scsetup 公用程式。


    # scsetup
    

    顯示 Main Menu。

  4. 請鍵入 1 (法定) 以使用法定裝置。

    顯示 Quorum Menu。

  5. 請鍵入 2 (移除法定磁碟) 以移除法定裝置。

    依照指示進行。 系統會要求您輸入要移除的磁碟名稱。

  6. 新增或刪除到法定裝置的實體節點連線。

  7. 請鍵入 1 (新增法定磁碟) 以新增法定裝置。

    依照指示進行。 系統會要求您輸入用來作為法定裝置的磁碟名稱。

  8. 確認法定裝置新增成功。


    # scstat -q
    

範例—修改法定裝置節點清單

以下範例顯示如何使用 scsetup 公用程式在法定裝置節點清單上新增或移除節點。 在這個範例中,法定裝置名稱為 d2,而此程序的最後結果是新增另一個節點到法定裝置節點清單。


[Become superuser on any node in the cluster.]
[Determine the quorum device name:]
# scconf -p | grep Quorum
Quorum devices:                                    d2
Quorum device name:                                d2
  Quorum device votes:                             1
  Quorum device enabled:                           yes
  Quorum device name:                              /dev/did/rdsk/d2s2
  Quorum device hosts (enabled):                   phys-schost-1 phys-schost-2
  Quorum device hosts (disabled): 
[Execute the utility:]
# scsetup
Type 1 (Quorum).
Type 2 (Remove a quorum disk).
Answer the questions when prompted.
   You Will Need:         Example:
   quorum device name     d2
[Verify that the scconf command completed successfully:]
 
scconf -r -q globaldev=d2
Command completed successfully.

Type 1 (Quorum).
Type 1 (Add a quorum disk).
Answer the questions when prompted.
   You Will Need:         Example:
   quorum device name     d2

[Verify that the scconf command completed successfully:] 

scconf -a -q globaldev=d2
Command completed successfully.

Quit the scsetup utility.
[Verify that the correct nodes have paths to the quorum device. 
In this example, note that phys-schost-3 has been added to the 
enabled hosts list.]
# scconf -p | grep Quorum
Quorum devices:                                    d2
Quorum device name:                                d2
  Quorum device votes:                             2
  Quorum device enabled:                           yes
  Quorum device name:                              /dev/did/rdsk/d2s2
  Quorum device hosts (enabled):                   phys-schost-1 phys-schost-2
                                                   phys-schost-3
  Quorum device hosts (disabled): 
[Verify that the modified quorum device is online.]
# scstat -q
-- Quorum Votes by Device --
                    Device Name         Present Possible Status
                    -----------         ------- -------- ------
  Device votes:     /dev/did/rdsk/d2s2  1        1       Online
[Verify the quorum device is removed:]
# scstat -q
 
-- Quorum Summary --
 
  Quorum votes possible: 4
  Quorum votes needed:   3
  Quorum votes present:  4
 
-- Quorum Votes by Node --
 
                    Node Name           Present Possible Status
                    ---------           ------- -------- ------
  Node votes:       phys-schost-1       1        1       Online
  Node votes:       phys-schost-2       1        1       Online
 
-- Quorum Votes by Device --
 
                 Device Name         Present Possible Status
                 -----------         ------- -------- ------
  Device votes:  /dev/did/rdsk/d3s2  1        1       Online
  Device votes:  /dev/did/rdsk/d4s2  1        1       Online