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VMWARE錦囊妙計第二版
book

VMWARE錦囊妙計第二版

by Ryan Troy, Matthew Helmke
April 2013
Beginner to intermediate
368 pages
6h 45m
Chinese
GoTop Information, Inc.
Content preview from VMWARE錦囊妙計第二版
資源及 vCenter 管理(Resource and vCenter Management
|
125
4. 在共享(Shares)旁邊的下拉框中,您可以選擇低(Low500 個共享)、一般
Normal1,000 個共享)、高(High 2,000 個共享)與自訂(Custom),給一個虛
擬機器更多共享可以增加虛擬機器競爭更多 CPU 週期時「勝出」的機會。
一般情況下,您可以設置為一般直到您達到一個競爭點,這時候您可以根據您的需
求及用途回去調整您的虛擬機器。
當您為您的虛擬機器選擇了適合的等級,點擊確定(OK)儲存變更。
另見
訣竅 4.3 4.5
4.5 配置虛擬機器的 CPU 保留
問題
您想在 ESXi 伺服器上為特定虛擬機器保留部分百分比的 CPU 資源。
解決方案
使用 vCenter 在虛擬機器上配置 CPU 保留。
討論
除了共享(Shares)及限制(Limits)之外,您可以在您的虛擬機器上設定
保留
Reservations
,保留是指您以兆赫為單位,固定保留分配到特定虛擬機器的資源數
量,通常這個數值是您處理器能力的 5% 10%,這些都會因為您的環境不同而有所
差異。
設定保留以保證您的虛擬機器一定會有最小量的可用資源,以提供其運作之用(如果這
些資源不存在或是不可用的時候,虛擬機器將無法開機),當虛擬機器運行了,保留數
量將從資源池取走,而這是不用與其他虛擬機器競爭的。換句話說,每台虛擬機器將拿
走個別保留的部分,然後才會去與其他虛擬機器競爭剩餘(未保留)的資源。 ...
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Publisher Resources

ISBN: 9789862767443