想升级一下我的centos，提示： [quote] [root@mail init.d]# yum update Setting up Update Process Setting up repositories Cannot open/read repomd.xml file for repository: update failure: repodata/repomd.xml from update: [Errno 256] No more mirrors to try. Error: failure: repodata/repomd.xml from update: [Errno 256] No more mirrors to try. [/quote] [root@mail yum.repos.d]# cat centos-Base.repo正常，浏...

在对盘阵写操作时分为这两种方式： fast write :A fast write occurs when the percentage of modified data in global memory is less than the fast write threshold. Delayed fast write: A delayed fast write occurs only when the fast write threshold has been exceeded. That is, the percentage of global memory containing modified data is higher than the fast write threshold. 对于modified data （指哪些数据？...

请问双机系统，应用已经跑了一段时间了，做rootvg 镜像会有风险么 需要注意什么 谢谢

环境：V480，Solaris8 两块数据盘做镜像过程： # prtvtoc /dev/rdsk/c2t1d2s2 | fmthard -s - /dev/rdsk/c2t1d3s2 # metadb -a -f -c 3 c2t1d2s7 c2t1d3s7 # metainit -f d15 1 1 c2t1d2s0 # metainit d25 1 1 c2t1d3s0 # metainit d35 -m d15 # metattach d35 d25 # metainit d35 -m d15 d25 设置过程提示一且正常，镜像状态确认如下： $ metastat d30: mirror Submirror 0: d10 State: Okay Submirror ...

安腾机器如何创建mirror 假定主盘：c3t0d0，镜像盘c3t1d0. # vi /tmp/partitionfile 输入以下4行: 3 EFI 500MB HPUX 100% HPSP 400MB # idisk -wf /tmp/partitionfile /dev/rdsk/c3t1d0 # insf -e # pvcreate -B /dev/rdsk/c3t1d0s2 # mkboot -e -l /dev/dsk/c3t1d0 # vgextend /dev/vg00 /dev/dsk/c3t1d0s2 # lvextend -m 1 /dev/vg00/lvolX /dev/dsk/c3t1d0s2 ……….. # lvlnboot -r /dev/vg00/lvol3 /dev/vg00 # lvlnboot -b ...

c1t0d0 与c1t1d0 两块盘做镜象 以下是metastat –p 命令输出 d4 -m d41 d42 1 d41 1 1 c1t0d0s4 d42 1 1 c1t1d0s4 d3 -m d31 d32 1 d31 1 1 c1t0d0s3 d32 1 1 c1t1d0s3 d2 -m d21 d22 1 d21 1 1 c1t0d0s1 d22 1 1 c1t1d0s1 d1 -m d11 d12 1 d11 1 1 c1t0d0s0 d12 1 1 c1t1d0s0 在两块盘的 0，1，3，4 号分区上建立d11 d12 d21 d22 d31 d32 d41 d42 八个stripe...

镜像前的情况： ．先确定如下情况： 主磁盘是： /dev/dsk/c1t4d0 镜像的磁盘是： /dev/dsk/c2t4d0 （用命令“ ioscan –fnC disk”可以查看） 确定系统是否安装mirrorDisk/UX：用“swinstall –l bundle”查看 B．镜像的步骤： ．使用参数“-B”创建一个用于镜像的可引导的LVM磁盘： pvcreate -f -B /dev/dsk/c2t4d0 ．将上一步LVM磁盘添加到根卷组中： vgextend /dev/vg00 /dev/dsk/c2t4d0 ．将新磁盘制作成引导磁盘，...

有什么命令可以终止mirror。