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金融系統(tǒng)NTP配置
AS400 NTP配置應(yīng)使用 iSeries Navigator,操作步驟如下:
1)配置SNTP Client,Server->Network->Servers->TCPIP,在顯示的列表中選擇
SNTP,右擊“屬性”。
2)在打開的屬性框內(nèi),選General板塊,選擇“Start When TCP/IP started”,配置時(shí)間服務(wù)器地址與同步間隔(單位:分鐘);蛘咴诳蛻魴C(jī)中配置服務(wù)器IP地址。
3)選擇“Additional Parameters”,
日志配置為“None”
MiniMum 20
MaxiMum 5
In the Additional Parameters tab as shown in the Figure 5-3 specify the minimum and
maximum difference.100 V5 TCP/IP Applications on the IBM Eserver iSeries Server
– The Minimum adjustment specifies the smallest time difference in milliseconds,
between the time server and the software clock that the SNTP client attempts to
correct so if the time difference is less than the specified value the SNTP client.
Possible values are 20 through 300000 milliseconds. We specify the value as 100
milliseconds which is 1/10th of a second.
– The Maximum adjustment specifies the maximum time difference in minutes which is
allowed between the time server and SNTP client’s software clock for the adjustments
to happen. Possible values are 5 through 30 minutes. We select it to be 20 minutes.
4)啟動(dòng)SNTP服務(wù)
會(huì)到sntp界面,點(diǎn)擊右鍵,選擇以客戶端啟動(dòng)。
5)檢查 Joblog of QTOTNTP <=== 這個(gè)作業(yè)必須啟動(dòng), 如果沒有啟動(dòng) STRTCPSVR *NTP *client, 就沒有這個(gè)作業(yè)。
NTP Server 和 Client job 都是 QTOTNTP作業(yè)支持。
也可以利用命令行配置
QQ截圖20200627120528.png (269.89 KB, 下載次數(shù): 68)
下載附件
2020-06-27 12:05 上傳
在remote system中添加服務(wù)器的IP,可添加多個(gè)。
在client autostart中修改為yes,開機(jī)啟動(dòng)
client poll interval設(shè)置為10,即每隔10分鐘發(fā)一次請(qǐng)求;
設(shè)置調(diào)整門限client minimum adjustment和maximum adjustment,即如果與時(shí)間服務(wù)器差距小于20毫秒或者差距大于60分鐘本機(jī)就不作調(diào)整;
設(shè)置client adjustment threshold為maxadj,即只對(duì)時(shí)間進(jìn)行微調(diào)而不是重置。
AS400緩慢調(diào)整大約是60s以外是每秒調(diào)整30秒,60s以內(nèi)是每秒調(diào)整6秒,AS400同步后時(shí)間精度非常高,可達(dá)到0.01ms。
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