当前位置: 首页 > 编程日记 > 正文

PostgreSQL 9.3 beta2 stream replication primary standby switchover bug?

[更新]
已有patch. 请参见.

PostgreSQL 9.1,9.2,9.3 clean switchover Primary and Standby Patch.

http://blog.163.com/digoal@126/blog/static/16387704020136197354054/

打补丁前的测试 :
PostgreSQL 9.3 beta2 无法完成正常的主备角色切换.
Primary :
psql
checkpont;

pg_controldata 
pg_control version number:            937
Catalog version number:               201306121
Database system identifier:           5899156703623933927
Database cluster state:               in production
pg_control last modified:             Thu 11 Jul 2013 11:05:38 AM CST
Latest checkpoint location:           0/C000060
Prior checkpoint location:            0/B000060
Latest checkpoint's REDO location:    0/C000028
Latest checkpoint's REDO WAL file:    00000004000000000000000C
Latest checkpoint's TimeLineID:       4
Latest checkpoint's PrevTimeLineID:   4
Latest checkpoint's full_page_writes: on
Latest checkpoint's NextXID:          0/1850
Latest checkpoint's NextOID:          32768
Latest checkpoint's NextMultiXactId:  1
Latest checkpoint's NextMultiOffset:  0
Latest checkpoint's oldestXID:        1674
Latest checkpoint's oldestXID's DB:   1
Latest checkpoint's oldestActiveXID:  1850
Latest checkpoint's oldestMultiXid:   1
Latest checkpoint's oldestMulti's DB: 1
Time of latest checkpoint:            Thu 11 Jul 2013 11:05:38 AM CST
Fake LSN counter for unlogged rels:   0/1
Minimum recovery ending location:     0/0
Min recovery ending loc's timeline:   0
Backup start location:                0/0
Backup end location:                  0/0
End-of-backup record required:        no
Current wal_level setting:            hot_standby
Current max_connections setting:      10000
Current max_prepared_xacts setting:   0
Current max_locks_per_xact setting:   64
Maximum data alignment:               8
Database block size:                  8192
Blocks per segment of large relation: 131072
WAL block size:                       16384
Bytes per WAL segment:                16777216
Maximum length of identifiers:        64
Maximum columns in an index:          32
Maximum size of a TOAST chunk:        1996
Date/time type storage:               64-bit integers
Float4 argument passing:              by value
Float8 argument passing:              by value
Data page checksum version:           0

Standby : 
pg_control version number:            937
Catalog version number:               201306121
Database system identifier:           5899156703623933927
Database cluster state:               in archive recovery
pg_control last modified:             Thu 11 Jul 2013 11:05:29 AM CST
Latest checkpoint location:           0/B000060
Prior checkpoint location:            0/B000060
Latest checkpoint's REDO location:    0/B000028
Latest checkpoint's REDO WAL file:    00000004000000000000000B
Latest checkpoint's TimeLineID:       4
Latest checkpoint's PrevTimeLineID:   4
Latest checkpoint's full_page_writes: on
Latest checkpoint's NextXID:          0/1850
Latest checkpoint's NextOID:          32768
Latest checkpoint's NextMultiXactId:  1
Latest checkpoint's NextMultiOffset:  0
Latest checkpoint's oldestXID:        1674
Latest checkpoint's oldestXID's DB:   1
Latest checkpoint's oldestActiveXID:  1850
Latest checkpoint's oldestMultiXid:   1
Latest checkpoint's oldestMulti's DB: 1
Time of latest checkpoint:            Thu 11 Jul 2013 11:04:57 AM CST
Fake LSN counter for unlogged rels:   0/1
Minimum recovery ending location:     0/B0000F0
Min recovery ending loc's timeline:   4
Backup start location:                0/0
Backup end location:                  0/0
End-of-backup record required:        no
Current wal_level setting:            hot_standby
Current max_connections setting:      10000
Current max_prepared_xacts setting:   0
Current max_locks_per_xact setting:   64
Maximum data alignment:               8
Database block size:                  8192
Blocks per segment of large relation: 131072
WAL block size:                       16384
Bytes per WAL segment:                16777216
Maximum length of identifiers:        64
Maximum columns in an index:          32
Maximum size of a TOAST chunk:        1996
Date/time type storage:               64-bit integers
Float4 argument passing:              by value
Float8 argument passing:              by value
Data page checksum version:           0

Primary : 
pg_ctl stop
waiting for server to shut down.... done
server stopped

pg_controldata 
pg_control version number:            937
Catalog version number:               201306121
Database system identifier:           5899156703623933927
Database cluster state:               shut down
pg_control last modified:             Thu 11 Jul 2013 11:06:31 AM CST
Latest checkpoint location:           0/D000028
Prior checkpoint location:            0/C000060
Latest checkpoint's REDO location:    0/D000028
Latest checkpoint's REDO WAL file:    00000004000000000000000D
Latest checkpoint's TimeLineID:       4
Latest checkpoint's PrevTimeLineID:   4
Latest checkpoint's full_page_writes: on
Latest checkpoint's NextXID:          0/1850
Latest checkpoint's NextOID:          32768
Latest checkpoint's NextMultiXactId:  1
Latest checkpoint's NextMultiOffset:  0
Latest checkpoint's oldestXID:        1674
Latest checkpoint's oldestXID's DB:   1
Latest checkpoint's oldestActiveXID:  0
Latest checkpoint's oldestMultiXid:   1
Latest checkpoint's oldestMulti's DB: 1
Time of latest checkpoint:            Thu 11 Jul 2013 11:06:31 AM CST
Fake LSN counter for unlogged rels:   0/1
Minimum recovery ending location:     0/0
Min recovery ending loc's timeline:   0
Backup start location:                0/0
Backup end location:                  0/0
End-of-backup record required:        no
Current wal_level setting:            hot_standby
Current max_connections setting:      10000
Current max_prepared_xacts setting:   0
Current max_locks_per_xact setting:   64
Maximum data alignment:               8
Database block size:                  8192
Blocks per segment of large relation: 131072
WAL block size:                       16384
Bytes per WAL segment:                16777216
Maximum length of identifiers:        64
Maximum columns in an index:          32
Maximum size of a TOAST chunk:        1996
Date/time type storage:               64-bit integers
Float4 argument passing:              by value
Float8 argument passing:              by value
Data page checksum version:           0

standby : 
pg_controldata 
pg_control version number:            937
Catalog version number:               201306121
Database system identifier:           5899156703623933927
Database cluster state:               in archive recovery
pg_control last modified:             Thu 11 Jul 2013 11:05:29 AM CST
Latest checkpoint location:           0/B000060
Prior checkpoint location:            0/B000060
Latest checkpoint's REDO location:    0/B000028
Latest checkpoint's REDO WAL file:    00000004000000000000000B
Latest checkpoint's TimeLineID:       4
Latest checkpoint's PrevTimeLineID:   4
Latest checkpoint's full_page_writes: on
Latest checkpoint's NextXID:          0/1850
Latest checkpoint's NextOID:          32768
Latest checkpoint's NextMultiXactId:  1
Latest checkpoint's NextMultiOffset:  0
Latest checkpoint's oldestXID:        1674
Latest checkpoint's oldestXID's DB:   1
Latest checkpoint's oldestActiveXID:  1850
Latest checkpoint's oldestMultiXid:   1
Latest checkpoint's oldestMulti's DB: 1
Time of latest checkpoint:            Thu 11 Jul 2013 11:04:57 AM CST
Fake LSN counter for unlogged rels:   0/1
Minimum recovery ending location:     0/B0000F0
Min recovery ending loc's timeline:   4
Backup start location:                0/0
Backup end location:                  0/0
End-of-backup record required:        no
Current wal_level setting:            hot_standby
Current max_connections setting:      10000
Current max_prepared_xacts setting:   0
Current max_locks_per_xact setting:   64
Maximum data alignment:               8
Database block size:                  8192
Blocks per segment of large relation: 131072
WAL block size:                       16384
Bytes per WAL segment:                16777216
Maximum length of identifiers:        64
Maximum columns in an index:          32
Maximum size of a TOAST chunk:        1996
Date/time type storage:               64-bit integers
Float4 argument passing:              by value
Float8 argument passing:              by value
Data page checksum version:           0

pg_ctl promote
server promoting

pg_controldata 
pg_control version number:            937
Catalog version number:               201306121
Database system identifier:           5899156703623933927
Database cluster state:               in production
pg_control last modified:             Thu 11 Jul 2013 11:07:37 AM CST
Latest checkpoint location:           0/D000090
Prior checkpoint location:            0/B000060
Latest checkpoint's REDO location:    0/D000058
Latest checkpoint's REDO WAL file:    00000005000000000000000D
Latest checkpoint's TimeLineID:       5
Latest checkpoint's PrevTimeLineID:   5
Latest checkpoint's full_page_writes: on
Latest checkpoint's NextXID:          0/1851
Latest checkpoint's NextOID:          32768
Latest checkpoint's NextMultiXactId:  1
Latest checkpoint's NextMultiOffset:  0
Latest checkpoint's oldestXID:        1674
Latest checkpoint's oldestXID's DB:   1
Latest checkpoint's oldestActiveXID:  1851
Latest checkpoint's oldestMultiXid:   1
Latest checkpoint's oldestMulti's DB: 1
Time of latest checkpoint:            Thu 11 Jul 2013 11:07:37 AM CST
Fake LSN counter for unlogged rels:   0/1
Minimum recovery ending location:     0/0
Min recovery ending loc's timeline:   0
Backup start location:                0/0
Backup end location:                  0/0
End-of-backup record required:        no
Current wal_level setting:            hot_standby
Current max_connections setting:      10000
Current max_prepared_xacts setting:   0
Current max_locks_per_xact setting:   64
Maximum data alignment:               8
Database block size:                  8192
Blocks per segment of large relation: 131072
WAL block size:                       16384
Bytes per WAL segment:                16777216
Maximum length of identifiers:        64
Maximum columns in an index:          32
Maximum size of a TOAST chunk:        1996
Date/time type storage:               64-bit integers
Float4 argument passing:              by value
Float8 argument passing:              by value
Data page checksum version:           0


primary  : 
 cd $PGDATAmv recovery.done recovery.confpg_ctl start

 log : 
2013-07-11 11:10:11.386 CST,,,14911,,51de2213.3a3f,1,,2013-07-11 11:10:11 CST,,0,LOG,00000,"database system was shut down in recovery at 2013-07-11 11:09:51 CST",,,,,,,,"StartupXLOG, xlog.c:4895",""
2013-07-11 11:10:11.387 CST,,,14911,,51de2213.3a3f,2,,2013-07-11 11:10:11 CST,,0,LOG,00000,"entering standby mode",,,,,,,,"StartupXLOG, xlog.c:4968",""
2013-07-11 11:10:11.391 CST,,,14911,,51de2213.3a3f,3,,2013-07-11 11:10:11 CST,1/0,0,LOG,00000,"consistent recovery state reached at 0/D000090",,,,,,,,"CheckRecoveryConsistency, xlog.c:6187",""
2013-07-11 11:10:11.391 CST,,,14911,,51de2213.3a3f,4,,2013-07-11 11:10:11 CST,1/0,0,LOG,00000,"record with zero length at 0/D000090",,,,,,,,"ReadRecord, xlog.c:3285",""
2013-07-11 11:10:11.392 CST,,,14909,,51de2213.3a3d,1,,2013-07-11 11:10:11 CST,,0,LOG,00000,"database system is ready to accept read only connections",,,,,,,,"sigusr1_handler, postmaster.c:4658",""
2013-07-11 11:10:11.407 CST,,,14915,,51de2213.3a43,1,,2013-07-11 11:10:11 CST,,0,LOG,00000,"fetching timeline history file for timeline 5 from primary server",,,,,,,,"WalRcvFetchTimeLineHistoryFiles, walreceiver.c:666",""
2013-07-11 11:10:11.411 CST,,,14915,,51de2213.3a43,2,,2013-07-11 11:10:11 CST,,0,LOG,00000,"primary server contains no more WAL on requested timeline 4",,,,,,,,"WalReceiverMain, walreceiver.c:529",""
2013-07-11 11:10:11.411 CST,,,14911,,51de2213.3a3f,5,,2013-07-11 11:10:11 CST,1/0,0,LOG,00000,"new timeline 5 forked off current database system timeline 4 before current recovery point 0/D000090",,,,,,,,"rescanLatestTimeLine, xlog.c:3441",""
2013-07-11 11:10:11.412 CST,,,14915,,51de2213.3a43,3,,2013-07-11 11:10:11 CST,,0,LOG,00000,"primary server contains no more WAL on requested timeline 4",,,,,,,,"WalReceiverMain, walreceiver.c:529",""
2013-07-11 11:10:11.412 CST,,,14911,,51de2213.3a3f,6,,2013-07-11 11:10:11 CST,1/0,0,LOG,00000,"new timeline 5 forked off current database system timeline 4 before current recovery point 0/D000090",,,,,,,,"rescanLatestTimeLine, xlog.c:3441",""
2013-07-11 11:10:16.407 CST,,,14915,,51de2213.3a43,4,,2013-07-11 11:10:11 CST,,0,LOG,00000,"primary server contains no more WAL on requested timeline 4",,,,,,,,"WalReceiverMain, walreceiver.c:529",""
2013-07-11 11:10:16.407 CST,,,14911,,51de2213.3a3f,7,,2013-07-11 11:10:11 CST,1/0,0,LOG,00000,"new timeline 5 forked off current database system timeline 4 before current recovery point 0/D000090",,,,,,,,"rescanLatestTimeLine, xlog.c:3441",""
2013-07-11 11:10:21.402 CST,,,14915,,51de2213.3a43,5,,2013-07-11 11:10:11 CST,,0,LOG,00000,"primary server contains no more WAL on requested timeline 4",,,,,,,,"WalReceiverMain, walreceiver.c:529",""
2013-07-11 11:10:21.402 CST,,,14911,,51de2213.3a3f,8,,2013-07-11 11:10:11 CST,1/0,0,LOG,00000,"new timeline 5 forked off current database system timeline 4 before current recovery point 0/D000090",,,,,,,,"rescanLatestTimeLine, xlog.c:3441",""
2013-07-11 11:10:26.398 CST,,,14915,,51de2213.3a43,6,,2013-07-11 11:10:11 CST,,0,LOG,00000,"primary server contains no more WAL on requested timeline 4",,,,,,,,"WalReceiverMain, walreceiver.c:529",""

同主机上,将数据库版本更换为9.2测试切换正常.

相关文章:

Apache commons-io

添加引用 <dependency><groupId>commons-io</groupId><artifactId>commons-io</artifactId><version>2.4</version></dependency>按行写&#xff1a; public static void writeFileLineByApacheIO(String fileContent) throws…

Oracle Exadata 简介

随着企业业务的发展&#xff0c;大型数据仓库越来越多&#xff0c;其规模也在迅速扩大&#xff0c;平均每两年规模增大3倍。大型数据仓库要求以最高的磁盘读取速度扫描几十、几百或几千个磁盘&#xff0c;只有磁盘和服务器之间的管道带宽增加10倍或更多才能满足此要求&#xff…

推荐系统的价值观

作者丨gongyouliu来源丨大数据与人工智能&#xff08;ID: ai-big-data&#xff09;推荐系统作为满足人类不确定性需求的一种有效工具&#xff0c;是具有极大价值的&#xff0c;这种价值既体现在提升用户体验上&#xff0c;又体现在获取商业利润上。对绝大多数公司来说&#xff…

PostgreSQL md5 auth method introduce, with random salt protect

在上一篇BLOG中介绍了不要在pg_hba.conf中使用password认证方法, 除非你的客户端和数据库服务器之间的网络是绝对安全的.http://blog.163.com/digoal126/blog/static/1638770402013423102431541/MD5方法,认证过程 : Encrypting Passwords Across A Network The MD5 authenticat…

常用Maven收集以及Maven技巧

1.完整的Maven的pom.xml <?xml version"1.0" encoding"UTF-8"?> <project xmlns"http://maven.apache.org/POM/4.0.0" xmlns:xsi"http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation"http://maven.apach…

大促下的智能运维挑战:阿里如何抗住“双11猫晚”?

作者 | 阿里文娱技术专家子霖出品 | AI科技大本营&#xff08;ID:rgznai100&#xff09;2019 双 11 猫晚在全球近 190 个国家和地区播出&#xff0c;海外重保是首要任务&#xff0c;如何提升海外用户观看猫晚的体验&#xff1f;本文将详解双 11 猫晚国际化的技术挑战和技术策略…

这次真的是下定决心了

这次我想是真的&#xff0c;真的。 上上周买了一本书 数据结构 c版 看到这本书的重点 线性表第三节&#xff0c;看不下去了&#xff0c;由于我模板学的不怎么样&#xff0c;数据结构c版大部分涉及了c 的模板&#xff0c;而且我觉得这本书上的代码有些漏洞。上上周买书的第三天…

子弹实例化的代码

using UnityEngine; using System.Collections;public class fire : MonoBehaviour {public float rate 0.2f;public GameObject bullet;private void Start(){OnFire();}//实例化子弹public void Fire(){GameObject.Instantiate(bullet, transform.position, Quaternion.iden…

Shiro源码学习之一

一.最基本的使用 1.Maven依赖 <dependency><groupId>org.apache.shiro</groupId><artifactId>shiro-core</artifactId><version>1.2.4</version></dependency><dependency> <groupId>org.slf4j</groupId> …

传百度要与阿里、腾讯争夺在线办公市场?“百度Hi”开放520人同时在线音视频会议

在线办公市场持续火热。4月20日&#xff0c;百度旗下在线办公平台“百度Hi”再升级&#xff0c;正式发布业内大规模的520人音视频会议&#xff0c;并支持多入口快速入会&#xff0c;加码在线办公。另有消息称&#xff0c;4月底&#xff0c;百度在线办公平台将发布重磅升级&…

SQL 2008 安装资料及下载地址

SQL Server 2008 序列号&#xff1a; Developer: PTTFM-X467G-P7RH2-3Q6CG-4DMYB Enterprise: JD8Y6-HQG69-P9H84-XDTPG-34MBB 服务器设置SQL Server 代理 NT AUTHORITY\SYSTEMSQL Server Database Engine NT AUTHORITY\NETWORK SERVICE SQL Server Browser 默认 SQL Ser…

Objective-C非正式协议与正式协议

为什么80%的码农都做不了架构师&#xff1f;>>> 类别与类扩展的区别&#xff1a; ①类别中只能增加方法&#xff1b; ②是的&#xff0c;你没看错&#xff0c;类扩展不仅可以增加方法&#xff0c;还可以增加实例变量&#xff08;或者合成属性&#xff09;&#xff…

Shiro源码学习之二

接上一篇 Shiro源码学习之一 3.subject.login 进入login public void login(AuthenticationToken token) throws AuthenticationException {clearRunAsIdentitiesInternal();Subject subject securityManager.login(this, token);PrincipalCollection principals;String hos…

Widgets 整理

1.滑动条 http://www.newnaw.com/pub/sl/031.html <--!grid中的内容--> <Grid x:Name"slidergrid" HorizontalAlignment"Left" VerticalAlignment"Center" Background"Azure" Margin"20"> <StackPane…

黑客用上机器学习你慌不慌?这 7 种窃取数据的新手段快来认识一下!

作者 | IrrfanAk译者 | 天道酬勤、Carol 责编 | Carol出品 | AI科技大本营&#xff08;ID:rgznai100&#xff09;机器学习以分析大型数据集和模式识别的能力而闻名。它基本上属于人工智能的一个子集。而机器学习使用的算法&#xff0c;是利用了先前的数据集和统计分析来做出假设…

ServletResponse-中文名的下载

2019独角兽企业重金招聘Python工程师标准>>> package com.httpServletResponse; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.net.URLEncoder; import javax.servlet.ServletException; import javax.se…

Linux环境编译安装OpenJDK

Centos6.5 AMD64位机器 Java的源码是C,C和Java实现的&#xff0c;所以还需要有一个安装好的java建议选OracleJDK参考文末 安装OracleJDK Linux环境安装卸载JDK以及安装Tomcat和发布Java的web程序 安装依赖 | Install dependence # yum -y install gcc gcc-c alsa-lib alsa-…

最快69秒逆向DRAM地址映射,百度设计的这款逆向工具如何做到快速可靠?

来源 | 百度安全实验室出品 | AI科技大本营&#xff08;ID:rgznai100&#xff09;导读&#xff1a;近日&#xff0c;国际顶级设计自动化大会DAC大会公布DAC 2020会议议程和论文名单&#xff0c;由百度安全发表的《DRAMDig: AKnowledge-assisted Tool to Uncover DRAM Address M…

国外厂商在行业客户上输单的原因

这两天听一个朋友聊天发泄&#xff0c;他在一家总代J公司工作&#xff0c;代理业内排行第一的国外厂商C公司的产品&#xff0c;他负责D行业在南方某几个省的销售业务&#xff0c;工作中需要与C公司的销售紧密配合。经过接近一年的工作&#xff0c;他拿到一些项目&#xff0c;但…

[android] 从gallery获取图片

效果就是点击按钮&#xff0c;打开系统图库应用&#xff0c;可以选择一张里面的图片展示出来 设置隐式意图 获取Intent对象&#xff0c;通过new出来 调用Intent对象的setAction()方法&#xff0c;设置动作&#xff0c;参数&#xff1a;Intent.ACTION_PICK 调用Intent对象的setT…

调试JDK源码-HashSet实现原理

调试JDK源码-一步一步看HashMap怎么Hash和扩容 调试JDK源码-ConcurrentHashMap实现原理 调试JDK源码-HashSet实现原理 调试JDK源码-调试JDK源码-Hashtable实现原理以及线程安全的原因 代码 Set<String> snew HashSet<String>();s.add("http://blog.csdn.ne…

Python 炫技操作:海象运算符的三种用法

作者 | 明哥来源 | Python编程时光&#xff08;ID:Cool-Python&#xff09;Python 版本发展非常快&#xff0c;如今最新的版本已经是 Pyhton 3.9&#xff0c;即便如此&#xff0c;有很多人甚至还停留在 3.6 或者 3.7&#xff0c;连 3.8 还没用上。很多 Python 3.8 的特性还没来…

2010.10.30 OA 项目组一周工作报告

本周基本上实现了上周的目标&#xff0c;但和计划相比有落后。 进度&#xff1a;55 本周提交了3.0任务评估的第一个版本&#xff0c;一共为1003小时&#xff0c;客户收到该评估后&#xff0c;对3.0任务进行了调整&#xff0c;将部分任务移到2011.2版本中&#xff0c;同时添加了…

继承log4.net的类

using System; using System.Diagnostics;[assembly: log4net.Config.XmlConfigurator(Watch true)] namespace Hbl.Core {public static class Log{/// <summary>/// 一般错误/// </summary>/// <param name"message">消息</param>public …

调试JDK源码-Hashtable实现原理以及线程安全的原因

调试JDK源码-一步一步看HashMap怎么Hash和扩容 调试JDK源码-ConcurrentHashMap实现原理 调试JDK源码-HashSet实现原理 调试JDK源码-调试JDK源码-Hashtable实现原理以及线程安全的原因 Hashtable是线程安全的&#xff0c;我们从源码来分析 代码很简单 Hashtable<String, …

源代码查看工具 Source Navigator 使用心得

在ubuntu 10.04下试用了Source Navigator&#xff0c;有条件还是装Source insight吧&#xff0c;不是一个级别的&#xff0c;非常不方便。 Source Navigator 是Red Hat出品的一款查看源代码的工具&#xff0c;非常好用&#xff0c;与Windows下的Source Insight有一敌。但是它的…

那个分分钟处理10亿节点图计算的Plato,现在怎么样了?

受访者 | 于东海记者 | 夕颜出品 | CSDN&#xff08;ID:CSDNnews&#xff09;「AI 技术生态论」 人物访谈栏目是 CSDN 发起的百万人学 AI 倡议下的重要组成部分。通过对 AI 生态顶级大咖、创业者、行业 KOL 的访谈&#xff0c;反映其对于行业的思考、未来趋势的判断、技术的实践…

android TextView里边实现图文混配效果

做的游戏攻略中的图文载入已经用TextView实现。但看到网易新闻里的内容。点击图片能够调到一个新的Activity &#xff0c;感觉也像Textview 实现的&#xff0c;但不知道怎么弄&#xff0c;想想能够通过动态载入Textview和ImageView 布局实现&#xff0c;但当量大的时候回事很复…

《异步处理在分布式系统中的优化作用》学习笔记

原文地址&#xff1a;http://www.infoq.com/cn/presentations/optimization-of-asynchronous-processing-in-distributed-systems 视频地址&#xff1a;http://v.qq.com/boke/page/l/0/6/l0196plsvp6.html 主讲人&#xff1a;赵海平 Facebook hiphop HHVM 阿里巴巴技术保障部…

CISCO设备上DHCP实例

Cisco设备上设置DHCP实例 -------------------------------------------------------------------------------- 一位客户想把DHCP SERVER迁移到6509交换机的MSFC上,要求还挺复杂: 1.同时为多个VLAN的客户机分配地址 2.VLAN内有部分地址采用手工分配的…