镜像SUNSVM在线更换硬盘RAID1

在线更换硬盘

说明现有一台Sun T5220的主机系统的一个分区镜像损坏分区处于维护模式系统有如下报错

一基本检测

1.尝试同步分区

2.查看传输状态

结果同步时磁盘状态显示传输错误一直增加分区镜像无法同步需要在线更换损坏磁盘。

二在线更换

1.查询分区镜像信息

bash-3.2#metastat d6d6:镜像

次镜像0:d16

状态确定

次镜像1:d26

状态需要维护

传送 1

读入选项 roundrobin(缺省)

写入选项 parallel (缺省)

大小 74549376块(35 GB)d16:d6的次镜像

状态:确定

大小 74549376块(35 GB)

条0:

设备引导块 Dbase 状态Reloc热备援c1t0d0s6 0 否确定是d26:d6的次镜像

状态:需要维护

调用 metareplace d6 c1t1d0s6<新设备>

大小 74549376块(35 GB)

条0:

设备引导块 Dbase 状态Reloc热备援c1 t1 d0s6 0 否维护是bash-3.2#metadb flags firstblk blockcount a m p luo 16 8192/dev/dsk/c1t0d0s4a p luo 8208 8192/dev/dsk/c1t0d0s4a p luo 16 8192/dev/dsk/c1t1d0s4a p luo 8208 8192/dev/dsk/c1t1d0s4a p luo 16400 8192/dev/dsk/c1t1d0s4bash-3.2#metastat -p d7-m d17 d271d17 1 1 c1t0d0s7d27 1 1 c1 t1d0s7d5 -md15 d251d15 1 1 c1t0d0s5d25 1 1 c1t1d0s5

d3-m d13 d231d13 1 1 c1t0d0s3d23 1 1 c1 t1d0s3d1 -md11 d21 1d11 1 1 c1t0d0s1d21 1 1 c1t1d0s1d0-m d10 d201d101 1 c1t0d0s0d201 1 c1 t1 d0s0d6-m d16 d261d16 1 1 c1t0d0s6d26 1 1 c1t1d0s6

2.删除损坏磁盘的分区镜像bash-3.2#metadetach d6 d26metadetach:LSOMCR01:d6:尝试在具有错误组件的次镜像上操作bash-3.2#metadetach-f d6 d26d6:次镜像d26已拆除bash-3.2#metadetach d0 d20d0:次镜像d20已拆除bash-3.2#metadetach d1 d21d1:次镜像d21已拆除

bash-3.2#metadetach d3 d23d3:次镜像d23已拆除bash-3.2#metadetach d5 d25d5:次镜像d25已拆除bash-3.2#metadetach d7 d27d7:次镜像d27已拆除bash-3.2#metaclear d26d26:Concat/Stripe已清除bash-3.2#metaclear d20d20:Concat/Stripe已清除bash-3.2#metaclear d21d21:Concat/Stripe已清除bash-3.2#metaclear d23d23:Concat/Stripe已清除bash-3.2#metaclear d25d25:Concat/Stripe已清除bash-3.2#metaclear d27d27:Concat/Stripe已清除

3.删除损坏磁盘状态数据库bash-3.2#metadb

flags firstblk blockcount a m p luo 16 8192/dev/dsk/c1t0d0s4a p luo 8208 8192/dev/dsk/c1t0d0s4a p luo 16 8192/dev/dsk/c1t1d0s4a p luo 8208 8192/dev/dsk/c1t1d0s4a p luo 16400 8192/dev/dsk/c1t1d0s4bash-3.2#metadb-d c1 t1 d0s4bash-3.2#metadb flags firstblk blockcount a m p luo 16 8192/dev/dsk/c1t0d0s4a p luo 8208 8192/dev/dsk/c1t0d0s4

4.更换损坏的磁盘

在确保镜像信息已清理的状态下拔出损坏磁盘更换新的磁盘。

注意在拔出磁盘是要仔细看清设备上磁盘的标示确定那块才是损坏的磁盘

仔细检查更换磁盘的PN号看是否一至。

A.更换以后查看磁盘是否是否识别bash-3.2#devfsadm bash-3.2#c fgadm–al

Ap_Id Type Receptacle Occupant Condition c1 scsi-bus connected configured unknown c1::dsk/c1t0d0 disk connected configured unknown c2 fc-private connected configured unknown c2::201600a0b848fa22 disk connected configured unknown c4 fc-private connected configured unknown c4::201700a0b848fa22 disk connected configured unknown usb0/1 unknown empty unconfigured ok usb0/2 unknown empty unconfigured ok

usb0/3 unknown empty unconfigured ok usb1/1 unknown empty unconfigured ok usb1/2 unknown empty unconfigured ok usb2/1 unknown empty unconfigured ok usb2/2 usb-storage connected configured ok usb2/3 unknown empty unconfigured ok usb2/4 unknown empty unconfigured ok usb2/5 unknown empty unconfigured ok bash-3.2#format

Searching for disks. ..done

AVAILABLE DISK SELECTIONS:

0. c1t0d0<SUN146G cyl 14087 alt 2 hd 24 sec 848>

/pci@0/pci@0/pci@2/scsi@0/sd@0,0