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用MegaCli64命令創(chuàng)建了一個三塊盤組成的RAID:
/opt/MegaRAID/MegaCli/MegaCli64 -CfgLdAdd -r5 [22:0,22:3,22:4] WB Direct -a0
(每塊盤都是顯示2.72TB大小,組成RAID后的新磁盤大小為6TB)
創(chuàng)建完成后,通過fdisk -l命令看到:
Disk /dev/sdb: 6000.1 GB, 6000069312512 bytes
255 heads, 63 sectors/track, 729466 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sdb1 1 267350 2147483647+ ee GPT
通過parted -l看到的:
Model: LSI MR9260-8i (scsi)
Disk /dev/sdb: 6000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Number Start End Size File system Name Flags
1 1049kB 6000GB 6000GB primary
系統(tǒng)環(huán)境是:CentOS 6.2 64位
想請教的問題,以上我只做了創(chuàng)建RAID的操作,并沒有進(jìn)行任何分區(qū)的操作,但fdisk -l中看到的/dev/sdb1分區(qū)是怎么來的?
是不是/opt/MegaRAID/MegaCli/MegaCli64 -CfgLdAdd -r5 [22:0,22:3,22:4] WB Direct -a0此條命令自帶了做GPT的分區(qū)操作了?
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