单硬盘模拟各种raid的做法
SunOS 5.8 login: root Password: Last login: Fri Apr 1 17:25:16 from 192.168.1.10 Sun Microsystems Inc. SunOS 5.8 Generic Patch February 2004 # format Searching for disks...done
AVAILABLE DISK SELECTIONS: 0. c0t0d0 <ST315320A cyl 29649 alt 2 hd 16 sec 63> ST /pci@1f,0/ide@d/dad@0,0 Specify disk (enter its number): 创建metadb数据库 # metadb -afc 3 c0t0d0s7 # bash 创建串联 bash-2.03# metainit d10 3 1 c0t0d0s4 1 c0t0d0s5 1 c0t0d0s6 d10: Concat/Stripe is setup bash-2.03# metastat d10: Concat/Stripe Size: 5654400 blocks Stripe 0: Device Start Block Dbase c0t0d0s4 0 No Stripe 1: Device Start Block Dbase c0t0d0s5 0 No Stripe 2: Device Start Block Dbase c0t0d0s6 0 No bash-2.03# metadb flags first blk block count a u 16 1034 /dev/dsk/c0t0d0s7 a u 1050 1034 /dev/dsk/c0t0d0s7 a u 2084 1034 /dev/dsk/c0t0d0s7
bash-2.03# metaclear -a d10: Concat/Stripe is cleared bash-2.03# metastat 创建条带 bash-2.03# metainit d10 1 3 c0t0d0s4 c0t0d0s5 c0t0d0s6 d10: Concat/Stripe is setup bash-2.03# metastat d10: Concat/Stripe Size: 5654400 blocks Stripe 0: (interlace: 32 blocks) Device Start Block Dbase c0t0d0s4 0 No c0t0d0s5 0 No c0t0d0s6 0 No bash-2.03# metaclear -a d10: Concat/Stripe is cleared 做Mirror bash-2.03# metainit d2 1 1 c0t0d0s4 d2: Concat/Stripe is setup bash-2.03# metainit d3 1 1 c0t0d0s5 d3: Concat/Stripe is setup bash-2.03# metainit d1 -m d2 d1: Mirror is setup bash-2.03# metattach d1 d3 d1: submirror d3 is attached bash-2.03# metastat d1: Mirror Submirror 0: d2 State: Okay Submirror 1: d3 State: Resyncing Resync in progress: 0 % done Pass: 1 Read option: roundrobin (default) Write option: parallel (default) Size: 1884800 blocks d2: Submirror of d1 State: Okay Size: 1884800 blocks Stripe 0: Device Start Block Dbase State Hot Spare c0t0d0s4 0 No Okay
d3: Submirror of d1 State: Resyncing Size: 1884800 blocks Stripe 0: Device Start Block Dbase State Hot Spare c0t0d0s5 0 No Okay bash-2.03# metadetach d1 d3 d1: submirror d3 is detached bash-2.03# metaclear -a d1: Mirror is cleared d2: Concat/Stripe is cleared d3: Concat/Stripe is cleared bash-2.03# metastat 做RAID5 bash-2.03# metainit d10 -r c0t0d0s4 c0t0d0s5 c0t0d0s6 -i 20k d10: RAID is setup bash-2.03# bash-2.03# metastat d10: RAID State: Initializing Initialization in progress: 6% done Interlace: 40 blocks Size: 3764888 blocks Original device: Size: 3768720 blocks Device Start Block Dbase State Hot Spare c0t0d0s4 410 No Initializing c0t0d0s5 410 No Initializing c0t0d0s6 410 No Initializing bash-2.03# metaclear -a d10: RAID is cleared 做Concatenated Stripe bash-2.03# metainit d1 2 1 c0t0d0s4 -i 16k 2 c0t0d0s5 c0t0d0s6 -i 32k d1: Concat/Stripe is setup bash-2.03# metastat d1: Concat/Stripe Size: 5654400 blocks Stripe 0: Device Start Block Dbase c0t0d0s4 0 No Stripe 1: (interlace: 64 blocks) Device Start Block Dbase c0t0d0s5 0 No c0t0d0s6 0 No
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| 发布日期:2007-1-18 2:12:47 |
| 文章出处:中国磁盘阵列 |
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