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varitas实现双机热备总结（080712）

2008-10-31 13:50:54| 分类： varitas | 标签： |举报 |字号大中小订阅

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首先把新控制卡拆开，插入spb槽中
，登陆 240机器查看
# vxdisk -o alldgs list
DEVICE       TYPE            DISK         GROUP        STATUS
c4t5d0s2     auto:cdsdisk    c4t5d0       data         online
c4t5d1s2     auto:cdsdisk    c4t5d1       data         online
c4t5d2s2     auto:cdsdisk    v240fsdg01   v240fsdg     online
# vradmin -g data printrvg repvg

440下操作：
# vxdisk list
DEVICE       TYPE            DISK         GROUP        STATUS
c3t5d0s2     auto:cdsdisk    c3t5d0       data         online
c3t5d1s2     auto:cdsdisk    c3t5d1       data         online
c3t5d2s2     auto:cdsdisk    c3t5d2s2     v440fs       online
显示服务器硬盘情况，注意：不正常时后面为offline

vxdctl 命令解释： manage the volume configuration daemon and the volboot file

# vxdctl disable
# vxdctl enable

将设备c3t5d2s2 初始化为磁盘组v440fs
# vxdg init v440fs c3t5d2s2

将磁盘组v440fs 做成卷 v440fs_vol1
# vxassit -g v440fs make v440fs_vol1

进入图形界面,输入 vea
输入主机名 v440 (v240)
输入操作系统的用户名与密码 (root/password)

双击 diskgroup(省略......)

生成文件系统 vxfs,卷名 v440fs_vol1,挂载点 v440fs
退出到命令行

# format 显示存储硬盘情况

AVAILABLE DISK SELECTIONS:
       0. c1t0d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@1f,700000/scsi@2/sd@0,0
       1. c1t1d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@1f,700000/scsi@2/sd@1,0
       2. c1t2d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@1f,700000/scsi@2/sd@2,0
       3. c1t3d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@1f,700000/scsi@2/sd@3,0
       4. c3t5d0 <DGC-RAID5-0216 cyl 51198 alt 2 hd 256 sec 16>
          /pci@1d,700000/fibre-channel@2/sd@5,0
       5. c3t5d1 <DGC-RAID5-0216 cyl 61438 alt 2 hd 256 sec 20>
          /pci@1d,700000/fibre-channel@2/sd@5,1
       6. c3t5d2 <DGC-RAID5-0216 cyl 32894 alt 2 hd 256 sec 128>
          /pci@1d,700000/fibre-channel@2/sd@5,2

---------------------------------------

# vxdisksetup -i c3t5d0
# vxdisksetup -i c3t5d1 对两lun进行系统初始化
# vxdg init data c3t5d0 c3t5d1 建磁盘组

# vxdisksetup -i c3t5d2 建裸盘
# vxdg init v440fs c3t5d2s2

# vxdisk list 发现c3t5d0,c3t5d1的status都为online

# vxprint 显示diskgroup:440 dm分别为c3t5d0,c3t5d1

通过 vea 程序，点命令按钮 new volume,建卷 ora_vol1(100G),挂载点为 oradata；再建卷 srl_vol1(150G),因为是日志文件，不需要挂载点。

# vradmin -g data createpri repvg ora_vol1 srl_vol
这个命令建立复制数据集 repvg ,包含卷 ora_vol1 srl_vol,作为主复制(praimary)。

# vradmin -g data printrvg repvg 显示主卷信息

# vradmin -g data addsec repvg vvr440 vvr240
这个命令建立次级复制。

应杨长山要求，将v240 机器上的数据拷贝出来，因为原来iFS 顾问将 prod 数据库放到了这个地方。prod 里面是起初建的基础数据库。v440上已经没有，借此机会拷贝出来。因此登陆v240

# mkdir /yszhang
# mount -F vxfs /dev/vx/dsk/data prod
# fsck -F vxfs /dev/vx/dsk/data/ora_vol1
# du -sk prod 查看prod 大小
在 /240 下建立 prod_bak
# cp -p -R prod /240/prod_bak ( 大约 5分钟）

最后在 440上
# vradmin -g data set rpgvg vvr240 synchronous=override

# cd /liu
# ./vvrstate
查看复制状态，显示正常。

以下两个命令:
# vradmin -g data -a startrep repvg 启动veritas开始双机备份
# vradmin -g data stoprep repvg 停止双机备份
主要以v440和v240详细操作为主

附件：

VVR Step by Step

1. init disk for use by SF

bash-3.00# vxdisksetup -i c3t5d0
bash-3.00# vxdisksetup -i c3t5d1

2. Create disk group for replication

bash-3.00# vxdg init data c3t5d0 c3t5d1

3. create ora_vol1 and srl_vol volume by #vea

4.create primary site

bash-3.00# vradmin -g data createpri repvg ora_vol1 srl_vol
bash-3.00# vradmin -g data printrvg repvg
Replicated Data Set: repvg
Primary:
        HostName: v440 <localhost>
        RvgName: repvg
        DgName: data

5. create secondary site

vradmin -g data addsec repvg vvr440 vvr240

6. start replication

bash-3.00# vradmin -g data -a startrep repvg

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              blogAbstract:'<P\>首先把新控制卡拆开，插入spb槽中<BR\>，登陆 240机器查看<BR\># vxdisk -o alldgs list<BR\>DEVICE       TYPE            DISK         GROUP        STATUS<BR\>c4t5d0s2     auto:cdsdisk    c4t5d0       data         online<BR\>c4t5d1s2     auto:cdsdisk    c4t5d1       data         online<BR\>c4t5d2s2     auto:cdsdisk    v240fsdg01  </P\>',
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