10ufsdump 步骤 恢复系统带metadb.docx
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10ufsdump 步骤 恢复系统带metadb.docx
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10ufsdump步骤恢复系统带metadb
10-ufsdump步骤恢复系统,带metadb.txt人生重要的不是所站的位置,而是所朝的方向。
不要用自己的需求去衡量别人的给予,否则永远是抱怨。
#ddif=/dev/rdsk/c0t0d0s2of=/dev/rdsk/c0t1d0s2bs=2048000
分区一样先,
#prtvtoc/dev/rdsk/c1t0d0s2>file.tab
#fmthard-sfile.tab/dev/rdsk/c1t1d0s2
newfs/dev/rdsk/c1t0d0s0
以下以拷贝原盘c1t0d0s0到目标盘c1t1d0s0为例
#cd/
#mkdir/mnt
#mount/dev/dsk/c1t1d0s0/mnt
#ufsdump0f-/dev/dsk/c1t0d0s0|(cd/mnt;ufsrestorerf-)
ufsdump0ufroot.bak/dev/dsk/c2t11d0s0
ufsrestorerfroot.bak
磁带备份
ufsdump-0uf/dev/rmt/0n/
tar-cvf/dev/rmt/0/var
修改/mnt/etc/vfstab
umount/mnt
其他分区依次
完了之后
/usr/sbin/installboot/usr/platform/sun4v/lib/fs/ufs/bootblk/dev/rdsk/c0t0d0s0
关机->换盘->重启就可以了!
=============================
用c1t0d0s0启动机器
先installboot到c1t1d0s0
然后#mount/dev/dsk/c1t1d0s0/mnt
#drvconfig-r/mnt/devices-p/mnt/etc/path_to_inst
#cd/devices
#find.-print|cpio-pduVm/mnt/devices
#disks-r/mnt
#devlinks-r/mnt
#luxadmset_boot_dev/dev/dsk/c1t1d0s0
#cd/
#umoun/mnt
#init0
把c1t1d0插到0号位置,boot
==================================
光纤硬盘要用这个
cd/dev/dsk
ls-al
luxadm-vset_boot_dev/devices/pci@9,600000/SUNW,qlc@2/fp@0,0/disk@w500000e010a7ee61,0:
a
有时候
V490112954-06---12要删掉才可以看到cdrom
tip-38400/dev/cua/a
Maybeyouhaveknowit,Ihopeitcangiveyoualittleofhint.
IfyouhavesystemwithinternalFCdiskanduseSDSorothertooltomake
localmirror,whenyouenableMPXIObyedit/kernel/drv/scsi_vhci.conf,thekernel
willassignnewcontroller#toHBAandinternalFCdiskcontroller.This
willleadSDScannotmount/andotherpartitionandresetagainandagain.This
problemisnotseenatSCSIinternaldisk.
Ithinkitisnormal.WhatweshalldoisdisablempxiooninternalFC
controller.Forexample,youshalledit/kernel/drv/qlc.confonV280R
becauseituseISP2200asFCcontroller:
AddonelineifyourlocalFCdiskpathis
/pci@8,600000/SUNW,qlc@4/fp@0,0/disk:
name="qlc"parent="/pci@8,600000"unit-address="4"mpxio-disable="yes";
Then'reboot---r',done.
================================================================================================
1、进入单用户状态
OK>boot–s
确认停止应用程序和数据库服务。
2、备份硬盘分区
挂载磁带机并检查,如果不能使用磁带机可以删除/dev/rmt目录下文件重启进入单用户模式。
#drvconfig//加载驱动
#tapes//查看是否有磁带
#mtstatus//查看磁带机状态
#mtrewind//磁带倒头
备份硬盘分区表信息:
(可选)
#mkdir/export/home/backup
#prtvtoc/dev/rdsk/c0t0d0s2>/export/home/backup/c0t0d0s2.vote
#cd/export/home/
#ufsdump0ucf/dev/rmt/0nbackup
//n表示norewind(不倒头),备份完后继续接着备份
备份根分区:
#ufsdump0ucf/dev/rmt/0n/dev/rdsk/c0t0d0s0
备份根s4分区:
#ufsdump0ucf/dev/rmt/0n/dev/rdsk/c0t0d0s4
//swap分区不需要备份,也不能备份。
================================================================================================
带metadb的光纤盘,用dd的办法恢复系统
有个兄弟发来一篇文章,哈哈,有救了,就是修改/kernel/drv/md.conf:
#BeginMDDdatabaseinfo(donotedit)
mddb_bootlist1="ssd:
11:
16:
id1,ssd@w20000014c3aed3b6/dssd:
11:
2064:
id1,ssd@w20000014c3aed3b6/d";
#EndMDDdatabaseinfo(donotedit)
6、修改system文件:
setmd:
mirrored_root_flag=1
7、启动系统,sys-unconfig
系统能起来,检查metadb,正常
metastat检查状态,正常
df-k,数据能读,应用程序能正常启
8、增加metadb,完成镜像同步
root@GDSZ-PS-GW011-WAP08#prtvtoc/dev/rdsk/c1t0d0s2|fmthard-s-/dev/rdsk/c1t1d0s2
fmthard:
Newvolumetableofcontentsnowinplace.
flagsfirstblkblockcount
ampluo162048/dev/dsk/c1t0d0s3
apluo20642048/dev/dsk/c1t0d0s3
apluo162048/dev/dsk/c1t1d0s3
apluo20642048/dev/dsk/c1t1d0s3
用metareplace命令替换
d40:
Mirror
Submirror0:
d41
State:
Okay
Submirror1:
d42
State:
Okay
Pass:
1
Readoption:
roundrobin(default)
Writeoption:
parallel(default)
Size:
8405376blocks(4.0GB)
d41:
Submirrorofd40
State:
Okay
Hotsparepool:
hsp001
Size:
8405376blocks(4.0GB)
Stripe0:
DeviceStartBlockDbaseStateRelocHotSpare
c1t0d0s70NoOkayYes
d42:
Submirrorofd40
State:
Okay
Hotsparepool:
hsp001
Size:
8405376blocks(4.0GB)
Stripe0:
DeviceStartBlockDbaseStateRelocHotSpare
c1t1d0s70NoOkayYes
d30:
Mirror
Submirror0:
d31
State:
Okay
Submirror1:
d32
State:
Resyncing
Resyncinprogress:
15%done
Pass:
1
Readoption:
roundrobin(default)
Writeoption:
parallel(default)
Size:
20982912blocks(10GB)
d31:
Submirrorofd30
State:
Okay
Hotsparepool:
hsp001
Size:
20982912blocks(10GB)
Stripe0:
DeviceStartBlockDbaseStateRelocHotSpare
c1t0d0s60NoOkayYes
d32:
Submirrorofd30
State:
Resyncing
Hotsparepool:
hsp001
Size:
20982912blocks(10GB)
Stripe0:
DeviceStartBlockDbaseStateRelocHotSpare
c1t1d0s60NoResyncingYes
d20:
Mirror
Submirror0:
d21
State:
Okay
Submirror1:
d22
State:
Okay
Pass:
1
Readoption:
roundrobin(default)
Writeoption:
parallel(default)
Size:
16790400blocks(8.0GB)
d21:
Submirrorofd20
State:
Okay
Hotsparepool:
hsp001
Size:
16790400blocks(8.0GB)
Stripe0:
DeviceStartBlockDbaseStateRelocHotSpare
c1t0d0s50NoOkayYes
d22:
Submirrorofd20
State:
Okay
Hotsparepool:
hsp001
Size:
16790400blocks(8.0GB)
Stripe0:
DeviceStartBlockDbaseStateRelocHotSpare
c1t1d0s50NoOkayYes
d10:
Mirror
Submirror0:
d11
State:
Okay
Submirror1:
d12
State:
Resyncing
Resyncinprogress:
24%done
Pass:
1
Readoption:
roundrobin(default)
Writeoption:
parallel(default)
Size:
33560448blocks(16GB)
d11:
Submirrorofd10
State:
Okay
Hotsparepool:
hsp001
Size:
33560448blocks(16GB)
Stripe0:
DeviceStartBlockDbaseStateRelocHotSpare
c1t0d0s10NoOkayYes
d12:
Submirrorofd10
State:
Resyncing
Hotsparepool:
hsp001
Size:
33560448blocks(16GB)
Stripe0:
DeviceStartBlockDbaseStateRelocHotSpare
c1t1d0s10NoResyncingYes
d0:
Mirror
Submirror0:
d1
State:
Okay
Submirror1:
d2
State:
Okay
Pass:
1
Readoption:
roundrobin(default)
Writeoption:
parallel(default)
Size:
16790400blocks(8.0GB)
d1:
Submirrorofd0
State:
Okay
Hotsparepool:
hsp001
Size:
16790400blocks(8.0GB)
Stripe0:
DeviceStartBlockDbaseStateRelocHotSpare
c1t0d0s00NoOkayYes
d2:
Submirrorofd0
State:
Okay
Hotsparepool:
hsp001
Size:
16790400blocks(8.0GB)
Stripe0:
DeviceStartBlockDbaseStateRelocHotSpare
c1t1d0s00NoOkayYes
d104:
SoftPartition
Device:
d47
State:
Okay
Size:
4193680blocks(2.0GB)
ExtentStartBlockBlockcount
0665287394193680
d47:
Mirror
Submirror0:
d49
State:
Resyncing
Submirror1:
d48
State:
Okay
Resyncinprogress:
7%done
Pass:
1
Readoption:
roundrobin(default)
Writeoption:
parallel(default)
Size:
189639936blocks(90GB)
d49:
Submirrorofd47
State:
Resyncing
Hotsparepool:
hsp001
Size:
189639936blocks(90GB)
Stripe0:
DeviceStartBlockDbaseStateRelocHotSpare
c1t1d0s40NoResyncingYes
d48:
Submirrorofd47
State:
Okay
Hotsparepool:
hsp001
Size:
189639936blocks(90GB)
Stripe0:
DeviceStartBlockDbaseStateRelocHotSpare
c1t0d0s40NoOkayYes
d101:
SoftPartition
Device:
d47
State:
Okay
Size:
4193680blocks(2.0GB)
ExtentStartBlockBlockcount
0623350584193680
d94:
SoftPartition
Device:
d47
State:
Okay
Size:
4193680blocks(2.0GB)
ExtentStartBlockBlockcount
0581413774193680
d91:
SoftPartition
Device:
d47
State:
Okay
Size:
4193680blocks(2.0GB)
ExtentStartBlockBlockcount
0539476964193680
d84:
SoftPartition
Device:
d47
State:
Okay
Size:
4193680blocks(2.0GB)
ExtentStartBlockBlockcount
0497540154193680
d81:
SoftPartition
Device:
d47
State:
Okay
Size:
4193680blocks(2.0GB)
ExtentStartBlockBlockcount
0455603344193680
d74:
SoftPartition
Device:
d47
State:
Okay
Size:
4193680blocks(2.0GB)
ExtentStartBlockBlockcount
0413666534193680
d71:
SoftPartition
Device:
d47
State:
Okay
Size:
4193680blocks(2.0GB)
ExtentStartBlockBlockcount
0371729724193680
d64:
SoftPartition
Device:
d47
State:
Okay
Size:
4193680blocks(2.0GB)
ExtentStartBlockBlockcount
0329792914193680
d61:
SoftPartition
Device:
d47
State:
Okay
Size:
4193680blocks(2.0GB)
ExtentStartBlockBlockcount
0287856104193680
d50:
SoftPartition
Device:
d47
State:
Okay
Size:
28785608blocks(13GB)
ExtentStartBlockBlockcount
0128785608
hsp001:
isempty
DeviceRelocationInformation:
DeviceRelocDeviceID
c1t1d0Yesid1,ssd@w500000e011dfc9c0
c1t0d0Yesid1,ssd@w20000014c3aed3b6
[本帖最后由jf408于2006-8-1020:
51编辑]
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