使用卷管理工具對sunv250做鏡像冗余

1、云南遠程 v250 做 raid1 鏡像一、內(nèi)容介紹V250 單機對系統(tǒng)盤和數(shù)據(jù)盤做鏡像冗余，原來做了有四張盤，0 號為系統(tǒng)盤， 1 4 5 為數(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

2、424> /pci1d,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 14

3、087 alt 2 hd 24 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)Stripe 0: (interla

4、ce: 32 blocks)DeviceStart BlockDbaseState Reloc Hot Sparec0t1d0s60NoOkayYesc0t8d0s60NoOkayYesc0t9d0s60NoOkayYes# metadbflagsfirst blkblock counta mpluo168192/dev/dsk/c0t1d0s7apluo82088192/dev/dsk/c0t1d0s7apluo164008192/dev/dsk/c0t1d0s7apluo168192/dev/dsk/c0t8d0s7apluo82088192/dev/dsk/c0t8d0s7apluo16

5、4008192/dev/dsk/c0t8d0s7apluo168192/dev/dsk/c0t9d0s7apluo82088192/dev/dsk/c0t9d0s7apluo164008192/dev/dsk/c0t9d0s7二、備份分區(qū)表cp /etc/vfstab /etc/vfstab.bak三、將系統(tǒng)盤分區(qū)信息復(fù)制到2 號盤，將1 號盤分區(qū)信息復(fù)制到3 6 7 號盤 ,做 metadb# prtvtoc /dev/rdsk/c0t0d0s2 | fmthard -s - /dev/rdsk/c0t2d0s2# prtvtoc /dev/rdsk/c0t1d0s2 | fmthard -

6、s - /dev/rdsk/c0t3d0s2# 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、對數(shù)據(jù)盤做鏡像，并做子鏡像卷# metainit -f d2 m d20 d2: Mirror is setup# metainit -f d30 1 3 c0t3d0s7 c0t10d0s7 c0t11d0s

7、7 d30: Concat/Stripe is setup# metattach d2 d30# metastatd2: 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)Stri

8、pe 0: (interlace: 32 blocks)DeviceStart BlockDbaseState Reloc Hot Sparec0t1d0s60NoOkayYesc0t8d0s60NoOkayYesc0t9d0s60NoOkayYesd30: Submirror of d2State: Needs maintenanceInvoke: metasync d2Size: 425835072 blocks (203 GB)Stripe 0: (interlace: 32 blocks)DeviceStart BlockDbaseState Reloc Hot Sparec0t3d0

9、s60NoOkayYesc0t10d0s60NoOkayYesc0t11d0s60NoOkayYes五、對系統(tǒng)盤做鏡像# metainit -f d40 1 1 c0t2d0s0 Concat/Stripe is setup# metainit -f d41 1 1 c0t2d0s1 Concat/Stripe is setup# metainit -f d47 1 1 c0t2d0s7 Concat/Stripe is setup# metainit -f d50 1 1 c0t2d0s0 Concat/Stripe is setup# metainit -f d51 1 1 c0t2d0s

10、1 Concat/Stripe is setup# metainit -f d57 1 1 c0t2d0s7 Concat/Stripe is setup# Metainit f d0 m d40# Metainit f d1 m d41# Metainit f d7 m d47# metaroot d0# vi/etc/vfstab 改為./dev/md/dsk/d1-swap-no-/dev/md/dsk/d0/dev/md/rdsk/d0/ufs1no-/dev/md/dsk/d7/dev/md/rdsk/d7/usrufs1no-/dev/md/dsk/d2/dev/md/rdsk/d

11、2/oracleufs-yes-# lockfs fa# Init 6六、追加子鏡像# metattach d0 d50# metattach d1 d51# metattach d7 d57生成可自動切換的能啟動鏡像磁盤installboot /usr/platform/'uname -i'/lib/fs/ufs/bootblk /dev/rdsk/c1t4d0s0等待鏡像同步完成查看狀態(tài)# metastat d7: MirrorSubmirror 0: d47State: OkaySubmirror 1: d57State: Okay Pass: 1Read option:

12、 roundrobin (default)Write option: parallel (default)Size: 20484288 blocks (9.8 GB)d47: Submirror of d7State: OkaySize: 20484288 blocks (9.8 GB)Stripe 0:DeviceStart BlockDbaseState Reloc Hot Sparec0t0d0s70NoOkayYesd57: Submirror of d7State: OkaySize: 20484288 blocks (9.8 GB)Stripe 0:DeviceStart Bloc

13、kDbaseState Reloc Hot Sparec0t2d0s70NoOkayYesd1: 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:Devicec0t0d0s1Start

14、 Block 0DbaseNoState Reloc Hot SpareOkayYesd51: Submirror of d1State: OkaySize: 12292608 blocks (5.9 GB)Stripe 0:Devicec0t2d0s1Start Block 0DbaseNoState Reloc Hot SpareOkayYesd0: MirrorSubmirror 0: d40State: OkaySubmirror 1: d50State: OkayPass: 1Read option: roundrobin (default)Write option: paralle

15、l (default)Size: 110572416 blocks (52 GB)d40: Submirror of d0State: OkaySize: 110572416 blocks (52 GB)Stripe 0:DeviceStart BlockDbaseState Reloc Hot Sparec0t0d0s00NoOkayYesd50: Submirror of d0State: OkaySize: 110572416 blocks (52 GB)Stripe 0:DeviceStart BlockDbaseState Reloc Hot Sparec0t2d0s00NoOkay

16、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)Stripe 0: (interlace: 32 blocks)DeviceStart BlockDbasec0t1d0s60Noc0t

17、8d0s60Noc0t9d0s60NoState Reloc Hot SpareOkayYesOkayYesOkayYesd30: Submirror of d2State: OkaySize: 425835072 blocks (203 GB)Stripe 0: (interlace: 32 blocks)DeviceStart Blockc0t3d0s60c0t10d0s60c0t11d0s60DbaseNoNoNoState Reloc Hot SpareOkayYesOkayYesOkayYes六、對更換磁盤做維護假如 c0t0d0 壞掉，停機，取出壞磁盤。在 ok 下用鏡像的盤啟動到單用戶模式下：boot disk2 s*2 號盤為系統(tǒng)鏡像盤系統(tǒng)啟動后插入新磁盤（format 格式化）執(zhí)行：metadb -d c0t0d0s7 * 刪除 metadbprtvtoc /dev/rdsk/c0t2d0