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linux 如何掛載異地抄寫的LUN

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環境:
redhat5.8
本地及異地各一座SAN storage,並各有1台redhat的server,分配各1T的空間
平常本地端掛載的LUN,會自動抄寫(storage base)到異地端
當本地端server掛點時,則會中斷抄寫,並將異地端的LUN掛起來
在storage中斷抄寫後,同樣的環境windows系統掛載都正常,但小弟對linux還沒有很熟

故請教各位前輩:
中斷抄寫後於異地端下fdisk -l 已可看得到該LUN
Disk /dev/cciss/c0d0: 293.5 GB, 293563949056 bytes
255 heads, 63 sectors/track, 35690 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/cciss/c0d0p1 * 1 13 104391 83 Linux
/dev/cciss/c0d0p2 14 6387 51199155 83 Linux
/dev/cciss/c0d0p3 6388 12761 51199155 83 Linux
/dev/cciss/c0d0p4 12762 35690 184177192+ 5 Extended
/dev/cciss/c0d0p5 12762 14801 16386268+ 82 Linux swap / Solaris
/dev/cciss/c0d0p6 14802 35690 167790861 8e Linux LVM

Disk /dev/sda: 1099.5 GB, 1099511627776 bytes
255 heads, 63 sectors/track, 133674 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Disk /dev/sda doesn't contain a valid partition table

Disk /dev/sdb: 1099.5 GB, 1099511627776 bytes
255 heads, 63 sectors/track, 133674 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Disk /dev/sdb doesn't contain a valid partition table

/dev/sda/跟/dev/sdb,應該是多重路徑的關係吧,所以看到2個,那請問要如果把它掛給異地端的server使用呢?

下mount指令會看到
mount: you must specify the filesystem type

請教各位前輩,是否在mount之前還要做什麼處理呢?

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