使用卷管理工具對(duì)sunv做鏡像冗余

1、云南遠(yuǎn)程 v250 做 raid1 鏡像內(nèi)容介紹0 號(hào)為系統(tǒng)盤， 1 4 5 為V250單機(jī)對(duì)系統(tǒng)盤和數(shù)據(jù)盤做鏡像冗余，原來(lái)做了有四張盤,數(shù)據(jù)盤，并做了條帶為 /dev/md/dsk/d20, 要添加四塊盤，一塊做系統(tǒng)盤鏡像，另外三塊做卷d20的鏡像d30。8盤磁盤名稱:AVAILABLE DISK SELECTIONS:0. c0t0d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>/pci1d,700000/scsi4/sd0,01. c0t1d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>/pci1

2、d,700000/scsi4/sd1,02. c0t2d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>/pci1d,700000/scsi4/sd2,03. c0t3d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>/pci1d,700000/scsi4/sd3,04. c0t8d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>/pci1d,700000/scsi4/sd8,05. c0t9d0 <SUN72G cyl 14087 alt 2 hd 24

3、sec 424>/pci1d,700000/scsi4/sd9,06. c0t10d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>/pci1d,700000/scsi4/sda,07. c0t11d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>/pci1d,700000/scsi4/sdb,0卷 d20d20: Submirror of d2State: OkaySize: 425835072 blocks (203 GB)State Reloc Hot SpareStripe 0: (inter

4、lace: 32 blocks)c0t1d0s60NoOkayYesc0t8d0s60NoOkayYesc0t9d0s60NoOkayYesStart Block DbaseDevice# metadbflagsfirst blkblock counta mp luo168192/dev/dsk/c0t1d0s7pluo82088192/dev/dsk/c0t1d0s7pluo164008192/dev/dsk/c0t1d0s7pluo168192/dev/dsk/c0t8d0s7pluo82088192/dev/dsk/c0t8d0s7pluo164008192/dev/dsk/c0t8d0

5、s7pluo168192/dev/dsk/c0t9d0s7pluo82088192/dev/dsk/c0t9d0s7pluo164008192/dev/dsk/c0t9d0s7aaaaaaaa備份分區(qū)表cp /etc/vfstab /etc/vfstab.bak將系統(tǒng)盤分區(qū)信息復(fù)制到 2 號(hào)盤，將 1 號(hào)盤分區(qū)信息復(fù)制到 3 6 7 號(hào)盤 , 做 metadb# prtvtoc /dev/rdsk/c0t0d0s2 | fmthard -s - /dev/rdsk/c0t2d0s2# prtvtoc /dev/rdsk/c0t1d0s2 | fmthard -s - /dev/rdsk/c0t

6、3d0s2# prtvtoc /dev/rdsk/c0t1d0s2 | fmthard -s - /dev/rdsk/c0t10d0s2# prtvtoc /dev/rdsk/c0t1d0s2 | fmthard -s - /dev/rdsk/c0t11d0s2# metadb - a - f - c 3 c0t3d0s7 c0t10d0s7 c0t11d0s7四、對(duì)數(shù)據(jù)盤做鏡像，并做子鏡像卷# metainit -f d2m d20d2: Mirror is setup # metainit -f d30 1 3 c0t3d0s7 c0t10d0s7 c0t11d0s7 d30: Conca

7、t/Stripe is setup # metattach d2 d30 # metastat d2: MirrorSubmirror 0: d20State:0%Submirror 1: d30State: Needs maintenancePass: 1Read option: roundrobin (default)Write option: parallel (default)Size: 425835072 blocks (203 GB) d20: Submirror of d2State: okaySize: 425835072 blocks (203 GB)Stripe 0: (i

8、nterlace: 32 blocks)Device Start Block DbaseState Reloc Hot Sparec0t1d0s60NoOkayYesc0t8d0s60NoOkayYesc0t9d0s60NoOkayYesd30: Submirror of d2State: Needs maintenanceInvoke: metasync d2Size: 425835072 blocks (203 GB)State Reloc Hot Spare五、Stripe 0: (interlace: 32 blocks)c0t3d0s60NoOkayYesc0t10d0s60NoOk

9、ayYesc0t11d0s60NoOkayYes對(duì)系統(tǒng)盤做鏡像Device Start Block Dbase# metainit -f d40 1 1c0t2d0s0Concat/Stripe is setup# metainit -f d41 1 1 c0t2d0s1Concat/Stripe is setup# metainit -f d47 1 1 c0t2d0s7Concat/Stripe is setup# metainit -f d50 1 1 c0t2d0s0Concat/Stripe is setup# metainit -f d51 1 1 c0t2d0s1Concat/S

10、tripe is setup# metainit -f d57 1 1 c0t2d0s7Concat/Stripe is setup# Metainit-f dOd40# Metainit- f d1d41# Metainit- f d7d47# metaroot dO# vi/etc/vfstab改為/dev/md/dsk/d1swapno/dev/md/dsk/dO/dev/md/rdsk/dOufs 1 no/dev/md/dsk/d7/dev/md/rdsk/d7/usr ufs 1 no/dev/md/dsk/d2/dev/md/rdsk/d2/oracle ufsyes# lock

11、fs - fa# Init 6六、追加子鏡像# metattach dO d5O# metattach d1 d51# metattach d7 d57生成可自動(dòng)切換的能啟動(dòng)鏡像磁盤installboot /usr/platform/'uname -i'/lib/fs/ufs/bootblk /dev/rdsk/c1t4dOsO等待鏡像同步完成查看狀態(tài)# metastatd7: MirrorSubmirror 0: d47State: OkaySubmirror 1: d57State: OkayPass: 1Read option: roundrobin (default)W

12、rite option: parallel (default)Size: 20484288 blocks (9.8 GB)d47: Submirror of d7State: OkaySize: 20484288 blocks (9.8 GB)Stripe 0:Device Start Block DbaseState Reloc Hot Sparec0t0d0s70 NoOkay Yesd57: Submirror of d7State: OkaySize: 20484288 blocks (9.8 GB)Stripe 0:Device Start Block DbaseState Relo

13、c Hot Sparec0t2d0s70 NoOkay Yesd1: MirrorSubmirror 0: d41State: OkaySubmirror 1: d51State: OkayPass: 1Read option: roundrobin (default)Write option: parallel (default)Size: 12292608 blocks (5.9 GB) d41: Submirror of d1State: OkaySize: 12292608 blocks (5.9 GB)Stripe 0:Device Start Block DbaseState Re

14、loc Hot Sparec0t0d0s10 NoOkay Yesd51: Submirror of d1State: OkaySize: 12292608 blocks (5.9 GB)Stripe 0:Device Start Block DbaseState Reloc Hot Sparec0t2d0s10 NoOkay Yesd0: MirrorSubmirror 0: d40State: OkaySubmirror 1: d50State: OkayPass: 1Read option: roundrobin (default)Write option: parallel (defa

15、ult)Size: 110572416 blocks (52 GB) d40: Submirror of d0State: OkaySize: 110572416 blocks (52 GB)Stripe 0:Device Start Block Dbase State Reloc Hot Sparec0t0d0s00 NoOkay Yesd50: Submirror of d0State: OkaySize: 110572416 blocks (52 GB)Stripe 0:Device Start Block Dbase State Reloc Hot Sparec0t2d0s00 NoO

16、kay Yesd2: MirrorSubmirror 0: d20State: OkaySubmirror 1: d30State: OkayPass: 1Read option: roundrobin (default)Write option: parallel (default)Size: 425835072 blocks (203 GB) d20: Submirror of d2State: OkaySize: 425835072 blocks (203 GB)State Reloc Hot SpareStripe 0: (interlace: 32 blocks)c0t1d0s60N

17、oOkayYesc0t8d0s60NoOkayYesc0t9d0s60NoOkayYesDeviceStart Block Dbased30: Submirror of d2State: OkaySize: 425835072 blocks (203 GB)六、Stripe 0: (interlace: 32 blocks)DeviceStart Block DbaseState Reloc Hot Sparec0t3d0s60NoOkayYesc0t10d0s60NoOkayYesc0t11d0s60NoOkayYes對(duì)更換磁盤做維護(hù)假如 c0t0d0 壞掉，停機(jī)，取出壞磁盤。在 ok 下用鏡像的盤啟動(dòng)到單用戶模式下：boot disk2 - s*2 號(hào)盤為系統(tǒng)鏡像盤系統(tǒng)啟動(dòng)后插入新磁盤（ format 格式化） 執(zhí)行：給新盤創(chuàng)建和鏡metadb -d c0t0d0s7 * 刪除 metadb prtvtoc /dev/rdsk/c0t2d0s2|fmth