（求版主帮忙）双机环境，app_cluster备份问题。

zyl19861126

这是实验环境。

双机：vcs1、vcs2主机，应用为oracle数据库，主备方式。

我在vcs1、vcs2主机各自安装了media server，master server指向nbumaster这台主机。我现在想法是，创建策略时使用Oracle浮动IP地址（vcsdb-vip)，这样不论Oracle切换到哪台机器我都能够备份，备份方式要以Lan-Free走SAN网络。

创建app_cluster如下所示：

nbemmcmd -addhost -machinename vcsdb-vip -machinetype app_cluster

nbemmcmd -updatehost -add_server_to_app_cluster -machinename vcs1 \
         -machinetype media -clustername vcsdb-vip                                  \
         -netbackupversion 7.5 -masterserver nbumaster

nbemmcmd -updatehost -add_server_to_app_cluster -machinename vcs2 \
         -machinetype media -clustername vcsdb-vip                                  \
         -netbackupversion 7.5 -masterserver nbumaster

nbemmcmd列出主机如下：

[root@nbumaster ~]# nbemmcmd -listhosts        
NBEMMCMD, Version: 7.5
The following hosts were found:
server            nbumaster
master           nbumaster
app_cluster    vcsdb-vip
media            vcs2
media            vcs1
Command completed successfully.

master server与双机中的两台media server我都在dp.conf中加入了:

server=vcs1
server=vcs2
server=vcsdb-vip

之后，我在控制台上面创建了一个storage unit group，然后包含了vcs1、vcs2的STU，vcs1的stu在前，vcs2的stu在后，我发现，如果我切换Oracle到vcs2主机，NBU还是会使用vcs1的机械手进行写入。这不是有问题么？

还有，根据NBU的高可用性文档里面的建立非故障转移集群，里面有如下话：

Use the NetBackup Administration Console to create a storage unit for each
application. Specify the virtual name of the application as media server name
for the storage unit.

但我在创建storage unit时，将vcsdb-vip（即浮动IP）设置为media server时，手工启动job，报：Error nbjm (pid=3987) NBU status: 213, EMM status: Storage units are not available no storage units available for use  (213)。

请问，我创建app_cluster方式有哪些地方需要改进的？

zyl19861126

license如下：

Host:           vcs1
Product:        NetBackup Enterprise Server
Client count:   See license certificate.
Expires:        No Expiration Date
Feature:        OpenStorage Disk Option (Active)
Feature:        NAS SnapVault Option (Active)
Feature:        Virtual Tape Option (Active)
Feature:        Bare Metal Restore (Active)
Feature:        Encryption (Active)
Feature:        Open File Backup (Active)
Feature:        StorageTek Virtualization (Active)
Feature:        Remote Client Support (Active)
Feature:        Robotic Library Sharing Support (Active)
Feature:        Remote Media Server Support (Active)
Feature:        Microsoft RSM Robotic Libraries (Active)
Feature:        ADIC DAS/SDLC Robotic Libraries (Active)
Feature:        IBM ATL Robotic Libraries (Active)
Feature:        Fujitsu LMF Robotic Libraries (Active)
Feature:        StorageTek ACS Robotic Libraries (Active)
Feature:        Snapshot Client (Active)
Feature:        MS SharePoint Agent (Active)
Feature:        Device Qualification Tools (Active)
Feature:        Snapshot Client <Persistent Frozen Image> (Active)
Feature:        Inline Tape Copy (Active)
Feature:        EMC Fastrax Data Engine - No Longer Available (Active)
Feature:        Oracle extension <Database Archiver> (Active)
Feature:        Snapshot Client <Extended Frozen Image Services> (Active)
Feature:        Vault (Active)
Feature:        Snapshot Client <Oracle ServerFree Agent> (Active)
Feature:        Snapshot Client <Offhost and SAN Data Movement Services> (Active)
Feature:        Snapshot Client <Core Frozen Image Services> (Active)
Feature:        GDM Managed Server (Active)
Feature:        Library Based Tape Drives (Active)
Feature:        Additional Drives/Robotics (Active)
Feature:        Open File Backup - deprecated (Active)
Feature:        DataStore (Active)
Feature:        Intelligent Disaster Recovery (Active)
Feature:        Teradata (Active)
Feature:        Encryption (Legacy DES 56-bit) (Active)
Feature:        Encryption (Legacy DES 40-bit) (Active)
Feature:        Snapshot Client <Oracle on UNIX Advanced BLI Agent> (Active)
Feature:        SAP extension (Active)
Feature:        SQL-Backtrack extension (Active)
Feature:        Sybase extension (Active)
Feature:        Informix extension (Active)
Feature:        Oracle extension (Active)
Feature:        Lotus Notes extension (Active)
Feature:        DB2 extension (Active)
Feature:        MS SQL Server extension (Active)
Feature:        MS Exchange extension (Active)
Feature:        Advanced Reporting Option (Active)
Feature:        Shared Storage Option (Active)
Feature:        Tivoli Plus Module (Active)
Feature:        Global Data Manager (Active)
Feature:        NDMP (Active)
Feature:        EMC (Active)
Feature:        Fastbackup for Auspex - No Longer Available (Active)
Feature:        Snapshot Client <FlashBackup> (Active)
Feature:        Generate digest (Active)
Feature:        Additional clients (Active)
Feature:        Unrestricted features (Active)
Feature:        Base NetBackup (Active)

zyl19861126

我发觉切换后，vcs2的数据通过lan方式传给vcs1了，然后再由vcs1来执行写入了。我要的是，不论切换到哪台机器，都要通过SAN写入啊。 还有，是不是我的license问题，此license包含了media server的全部功能，如果只是san media server的话，是不是能够成功？

lcrash

帮顶，我的是rac 想用vip实现这种，现在问题还不知道怎么回事呢

无牙

设置一下本地优先

lcrash

无牙老大，请帮我看看，我跟楼主兄弟是不同问题，新手求指教啊

回复 5# 无牙


   

zyl19861126

LS的兄弟，你能够用Oracle的浮动IP地址设置storage unit么？ 还是创建storage unit group?

lcrash

啊？不行吗
我是照NetBackup_AdminGuide_HighAvailability.pdf文档做的这种方式

6 可使用 NetBackup 管理控制台为每个应用程序创建磁盘存储单元。将应用程序的虚拟名称指定为存储单元的介质服务器名称。

回复 7# zyl19861126

现在就是要实现这种，一台机器宕机了，另外一台通过这种方式自动切到另外一台media server继续备份

设置两个实际节点的方式，早实现了
   

zyl19861126

回复 5# 无牙

版主，是在哪里设置本地优先，是我上面创建的storage unit group？

zyl19861126

回复 8# lcrash


    怪了。我创建了app_cluster，如下：

[root@nbumaster ~]# nbemmcmd -listhosts -verbose
NBEMMCMD, Version: 7.5
The following hosts were found:
nbumaster
        MachineName = "nbumaster"
        FQName = "nbumaster"
        MachineDescription = ""
        MachineNbuType = server (6)
nbumaster
        ClusterName = ""
        MachineName = "nbumaster"
        FQName = "nbumaster"
        GlobalDriveSeed = "HNT:RT:RNOS"
        LocalDriveSeed = ""
        MachineDescription = ""
        MachineFlags = 0x77
        MachineNbuType = master (3)
        MachineState = active for tape and disk jobs (14)
        NetBackupVersion = 7.5.0.0 (750000)
        OperatingSystem = linux (16)
        ScanAbility = 5
vcs1
        ClusterName = ""
        MachineName = "vcs1"
        FQName = "vcs1"
        LocalDriveSeed = ""
        MachineDescription = ""
        MachineFlags = 0x77
        MachineNbuType = media (1)
        MachineState = active for tape and disk jobs (14)
        MasterServerName = "nbumaster"
        NetBackupVersion = 7.5.0.0 (750000)
        OperatingSystem = linux (16)
        ScanAbility = 5
vcs2
        ClusterName = ""
        MachineName = "vcs2"
        FQName = "vcs2"
        LocalDriveSeed = ""
        MachineDescription = ""
        MachineFlags = 0x77
        MachineNbuType = media (1)
        MachineState = active for tape and disk jobs (14)
        MasterServerName = "nbumaster"
        NetBackupVersion = 7.5.0.0 (750000)
        OperatingSystem = linux (16)
        ScanAbility = 5
vcsdb-vip
        MachineName = "vcsdb-vip"
        FQName = "vcsdb-vip"
        MachineDescription = ""
        MachineNbuType = app_cluster (7)
        NetBackupVersion = 0.0.0.0 (0)
        Active Node Name = ""
Command completed successfully.

但active node name确是空的，而oracle在vcs1上面。此时我用vcsdb-vip弄的stu会报无介质错误。