1. 配置托管服务账户
Set-SPPerformancePointSecureDataValues -ServiceApplication "PerformancePoint Service Application" –DataSourceUnattendedServiceAccount (Get-Credential)
2. 显示托管服务账户
Get-SPPerformancePointSecureDataValues –ServiceApplication "PerformancePoint Service Application"
3. 创建一个可信内容位置
New-SPPerformancePointServiceApplicationTrustedLocation -Url "http://sp2010/Lists/PPS Content" -ServiceApplication "PerformancePoint Service Application" –Type List –TrustedLocationType Content
4. 创建一个可信数据源位置
New-SPPerformancePointServiceApplicationTrustedLocation -Url "http:// sp2010/PPS DataSource" -ServiceApplication "PerformancePoint Service Application" –Type DocumentLibrary –TrustedLocationType DataSource
5. 显示所有可信内容位置
Get-SPPerformancePointServiceApplication "Performance Point Service Application" | Get-SPPerformancePointServiceApplicationTrustedLocation -Identity $_.ID | where {$_.FileType -eq "Content"}
6. 显示所有可信数据源位置
Get-SPPerformancePointServiceApplication "Performance Point Service Application" | Get-SPPerformancePointServiceApplicationTrustedLocation -Identity $_.ID | where {$_.FileType -eq "DataSource"}
7. 显示信任位置的明细
Get-SPPerformancePointServiceApplication "Performance Point Service Application" | Get-SPPerformancePointServiceApplicationTrustedLocation -Identity $_.ID | select *
8. 获取指定的信任位置
$trustedLocation = Get-SPPerformancePointServiceApplicationTrustedLocation -Identity fab6396b-5cd3-4f17-be60-57ae7d18c8a6
9. 移除一个信任位置
$trustedLocation = Get-SPPerformancePointServiceApplicationTrustedLocation -Identity fab6396b-5cd3-4f17-be60-57ae7d18c8a6 Remove-SPPerformancePointServiceApplicationTrustedLocation $trustedLocation
10. 配置PerformancePoint Service强制信任位置
内容位置
Set-SPPerformancePointServiceApplication -Identity "PerformancePoint Service Application" –TrustedContentLocationsRestricted $true
数据源位置
Set-SPPerformancePointServiceApplication -Identity "PerformancePoint Service Application" –TrustedDataSourceLocationsRestricted $true
11. 配置PerformancePoint Service应用程序设置
Set-SPPerformancePointServiceApplication -Identity "PerformancePoint Service Application" –CommentsDisabled $false –CommentsScorecardMax 100
CSMA/CD(Carrier Sense Multiple Access/Collision Detect)即载波监听多路访问/冲突检测机制,它工作在共享式以太网中,应用在 OSI 的第二层数据链路层。
它的工作原理是: 发送数据前 先侦听信道是否空闲 ,若空闲,则立即发送数据。若信道忙碌,则等待一段时间至信道中的信息传输结束后再发送数据;若在上一段信息发送结束后,同时有两个或两个以上的节点都提出发送请求,则判定为冲突。若侦听到冲突,则立即停止发送数据,等待一段随机时间,再重新尝试。
下图描述了第一位发生冲突的情况,冲突的双方是站点A和站点C。
在时刻t1,站点A开始发送帧,从左往右传输,在时刻t2,站点C还没有侦听到A发送的第一个位,站点C开始发送帧,向两边传输,在时刻t2后的某一时刻,冲突发生了,在时刻t3,站点C收到了站点A的第一个位,他检测到了冲突,他放弃了传输,在时刻4,站点A收到了站点C的第一个位,他也放弃了传输。他们都等待一个随机时间后再次重新尝试。
为了实现CSMA/CD,需要限定帧的长度,在发送帧的最后一位前,发送站点必须检测冲突,如果有任何冲突要放弃传输。这是因为一旦整个帧被发送了,站点就无法保留帧的副本并无法掌控线路的冲突检测了。因此,帧的传输时间至少是最大传播时间的两倍,即从A传播到D的时间的2倍。
以太网中,帧的最小长度为64个字节。
由于信道是所有主机共享的,如果数据帧太长就会出现有的主机长时间不能发送数据,而且有的发送数据可能超出接收端的缓冲区大小,造成缓冲溢出。为避免单一主机占用信道时间过长,规定了以太网帧的最大帧长为1518个字节。
要想以并发模式挂载VG 必须要有/usr/sbin/gsclvmd 这个进程,而些进程是安装HACMP 的必要的文件集bos.clvm.enh,同时gsclvmd 也是由HACMP 启动的,多个节点挂载并发VG 的时候是以并发模式挂载的,当然我们在有gsclvmd 服务的时候也可以手工以手工方式挂载,如下所示:
# ps -ef | grep gsc
root 6553738 14680086 0 18:13:58 pts/0 0:00 grep gsc
root 16973844 4784366 0 17:45:02 - 0:00 /usr/sbin/gsclvmd
varyon -c datavg
# lsvg datavg
VOLUME GROUP: datavg VG IDENTIFIER: 00f670fd00004c00000
00130b18686a0
VG STATE: active PP SIZE: 256 megabyte(s)
VG PERMISSION: read/write TOTAL PPs: 3383 (866048 megaby
tes)
MAX LVs: 512 FREE PPs: 742 (189952 megabyt
es)
LVs: 79 USED PPs: 2641 (676096 megaby
tes)
OPEN LVs: 58 QUORUM: 9 (Enabled)
TOTAL PVs: 17 VG DESCRIPTORS: 17
STALE PVs: 0 STALE PPs: 0
ACTIVE PVs: 17 AUTO ON: no
Concurrent: Enhanced-Capable Auto-Concurrent: Disabled
VG Mode: Concurrent
Node ID: 2 Active Nodes: 1
MAX PPs per VG: 130048
MAX PPs per PV: 1016 MAX PVs: 128
LTG size (Dynamic): 256 kilobyte(s) AUTO SYNC: no
HOT SPARE: no BB POLICY: relocatable
PV RESTRICTION: none
host1:
hdisk4 00f670f4b1515565 datavg concurrent
hdisk5 00f670f4b151570f datavg concurrent
hdisk6 00f670f4b1515898 datavg concurrent
hdisk7 00f670f4b1515a0f datavg concurrent
hdisk8 00f670f4b1515b85 datavg concurrent
hdisk9 00f670f4b1515cfe datavg concurrent
hdisk10 00f670f4b1515e83 datavg concurrent
hdisk11 00f670f4b1515ffe datavg concurrent
hdisk12 00f670f4b151a635 datavg concurrent
hdisk13 00f670fd03402eb2 datavg concurrent
hdisk14 00f670fd03403ee6 datavg concurrent
host2:
hdisk4 00f670f4b1515565 datavg concurrent
hdisk5 00f670f4b151570f datavg concurrent
hdisk6 00f670f4b1515898 datavg concurrent
hdisk7 00f670f4b1515a0f datavg concurrent
hdisk8 00f670f4b1515b85 datavg concurrent
hdisk9 00f670f4b1515cfe datavg concurrent
hdisk10 00f670f4b1515e83 datavg concurrent
hdisk11 00f670f4b1515ffe datavg concurrent
hdisk12 00f670f4b151a635 datavg concurrent
hdisk13 00f670fd03402eb2 datavg concurrent
hdisk14 00f670fd03403ee6 datavg concurrent
当然