Linux分區：超過2TB硬盤分區

測試iscsi服務是否正常

[root@FocusBackup ~]# service iscsi restart

中止 iscsi：                                               [肯定]

[root@FocusBackup ~]# chkconfig iscsi on

[root@FocusBackup ~]# iscsiadm -m discovery -t sendtargets -p 10.5.83.131

正在啓動 iscsid：                                          [肯定]

10.5.83.131:3260,1 iqn.2006-01.com.openfiler:tsn.vmlocalbackup

[root@FocusBackup ~]# iscsiadm -m node -T iqn.2006-01.com.openfiler:tsn.vmlocalbackup -p 10.5.83.131 -l

Logging in to [iface: default, target: iqn.2006-01.com.openfiler:tsn.vmlocalbackup, portal: 10.5.83.131,3260] (multiple)

Login to [iface: default, target: iqn.2006-01.com.openfiler:tsn.vmlocalbackup, portal: 10.5.83.131,3260] successful.

查看硬盤設備

[root@FocusBackup ~]# fdisk -l

 

Disk /dev/sda: 322.1 GB, 322122547200 bytes

255 heads, 63 sectors/track, 39162 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: 0x000a4673

 

   Device Boot      Start         End      Blocks   Id  System

/dev/sda1   *           1          26      204800   83  Linux

Partition 1 does not end on cylinder boundary.

/dev/sda2              26        1332    10485760   82  Linux swap / Solaris

/dev/sda3            1332       26109   199023616   83  Linux

/dev/sda4           26109       39163   104857600    5  Extended

/dev/sda5           26109       39163   104856576   83  Linux

 

Disk /dev/sdb: 2199.0 GB, 2199023254528 bytes

255 heads, 63 sectors/track, 267349 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: 0x000bfa7a

 

   Device Boot      Start         End      Blocks   Id  System

/dev/sdb1               1      267349  2147480811   83  Linux

 

Disk /dev/sdd: 1099.5 GB, 1099511627776 bytes

255 heads, 63 sectors/track, 133674 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

 

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

 

Disk /dev/sdc: 2199.0 GB, 2199023254528 bytes

255 heads, 63 sectors/track, 267349 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: 0x26e7758c

 

   Device Boot      Start         End      Blocks   Id  System

/dev/sdc1               1      267349  2147480811   83  Linux

 

WARNING: GPT (GUID Partition Table) detected on '/dev/sde'! The util fdisk doesn't support GPT. Use GNU Parted.

 

 

Disk /dev/sde: 6597.0 GB, 6596969103360 bytes

255 heads, 63 sectors/track, 802035 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/sde1               1      267350  2147483647+  ee  GPT

  

對超過2TB的硬盤進行分區須要使用parted

 

[root@FocusBackup ~]# parted /dev/sde

GNU Parted 2.1

使用 /dev/sde

Welcome to GNU Parted! Type 'help' to view a list of commands.

(parted) mklabel gpt

警告: The existing disk label on /dev/sde will be destroyed and all data on this disk will be lost. Do you want to continue?

是/Yes/否/No? y                                                          

(parted) print                                                           

Model: OPNFILER VIRTUAL-DISK (scsi)

Disk /dev/sde: 6597GB

Sector size (logical/physical): 512B/512B

Partition Table: gpt

 

Number  Start  End  Size  File system  Name  標誌

 

(parted) mkpart primary 0KB 6597GB                                       

警告: You requested a partition from 0.00B to 6597GB.                    

The closest location we can manage is 17.4kB to 6597GB.

Is this still acceptable to you?

是/Yes/否/No? y                                                          

警告: The resulting partition is not properly aligned for best performance.

忽略/Ignore/放棄/Cancel? i                                               

(parted) print                                                           

Model: OPNFILER VIRTUAL-DISK (scsi)

Disk /dev/sde: 6597GB

Sector size (logical/physical): 512B/512B

Partition Table: gpt

 

Number  Start   End     Size    File system  Name     標誌

 1      17.4kB  6597GB  6597GB               primary

 

(parted) quit                                                            

信息: You may need to update /etc/fstab.                                 

 

對建立好的大分區進行格式化

[root@FocusBackup ~]# fdisk -l

 

Disk /dev/sda: 322.1 GB, 322122547200 bytes

255 heads, 63 sectors/track, 39162 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: 0x000a4673

 

   Device Boot      Start         End      Blocks   Id  System

/dev/sda1   *           1          26      204800   83  Linux

Partition 1 does not end on cylinder boundary.

/dev/sda2              26        1332    10485760   82  Linux swap / Solaris

/dev/sda3            1332       26109   199023616   83  Linux

/dev/sda4           26109       39163   104857600    5  Extended

/dev/sda5           26109       39163   104856576   83  Linux

 

Disk /dev/sdb: 2199.0 GB, 2199023254528 bytes

255 heads, 63 sectors/track, 267349 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: 0x000bfa7a

 

   Device Boot      Start         End      Blocks   Id  System

/dev/sdb1               1      267349  2147480811   83  Linux

 

Disk /dev/sdd: 1099.5 GB, 1099511627776 bytes

255 heads, 63 sectors/track, 133674 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

 

 

Disk /dev/sdc: 2199.0 GB, 2199023254528 bytes

255 heads, 63 sectors/track, 267349 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: 0x26e7758c

 

   Device Boot      Start         End      Blocks   Id  System

/dev/sdc1               1      267349  2147480811   83  Linux

 

WARNING: GPT (GUID Partition Table) detected on '/dev/sde'! The util fdisk doesn't support GPT. Use GNU Parted.

 

 

Disk /dev/sde: 6597.0 GB, 6596969103360 bytes

255 heads, 63 sectors/track, 802035 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/sde1               1      267350  2147483647+  ee  GPT

[root@FocusBackup ~]# mkfs.ext3 -T largefile /dev/sdb1 /dev/sde1

mke2fs 1.41.12 (17-May-2010)

文件系統標籤=

操做系統:Linux

塊大小=4096 (log=2)

分塊大小=4096 (log=2)

Stride=0 blocks, Stripe width=0 blocks

402653184 inodes, 1610588151 blocks

80529407 blocks (5.00%) reserved for the super user

第一個數據塊=0

Maximum filesystem blocks=4294967296

49152 block groups

32768 blocks per group, 32768 fragments per group

8192 inodes per group

Superblock backups stored on blocks:

    32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,

    4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,

    102400000, 214990848, 512000000, 550731776, 644972544

 

正在寫入inode表: 完成                           

Creating journal (32768 blocks): 完成

Writing superblocks and filesystem accounting information: 完成

 

This filesystem will be automatically checked every 37 mounts or

180 days, whichever comes first.  Use tune2fs -c or -i to override.

 

寫入開機啓動項，完成掛載操做

可使用vi /etc/fstab

也可使用vi /etc/rc.local