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分类: LINUX

2011-05-09 18:55:30

[root@rheltest1 ~]#fdisk /dev/sdb
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel. Changes will remain in memory only,
until you decide to write them. After that, of course, the previous
content won't be recoverable.


The number of cylinders for this disk is set to 2610.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
   (e.g., DOS FDISK, OS/2 FDISK)
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)

Command (m for help): n
Command action
   e   extended
   p   primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-2610, default 1): 1
Last cylinder or +size or +sizeM or +sizeK (1-2610, default 2610): +500M

Command (m for help): t
Selected partition 1
Hex code (type L to list codes): L

 0  Empty           1e  Hidden W95 FAT1 80  Old Minix       bf  Solaris        
 1  FAT12           24  NEC DOS         81  Minix / old Lin c1  DRDOS/sec (FAT-
 2  XENIX root      39  Plan 9          82  Linux swap / So c4  DRDOS/sec (FAT-
 3  XENIX usr       3c  PartitionMagic  83  Linux           c6  DRDOS/sec (FAT-
 4  FAT16 <32M      40  Venix 80286     84  OS/2 hidden C:  c7  Syrinx         
 5  Extended        41  PPC PReP Boot   85  Linux extended  da  Non-FS data    
 6  FAT16           42  SFS             86  NTFS volume set db  CP/M / CTOS / .
 7  HPFS/NTFS       4d  QNX4.x          87  NTFS volume set de  Dell Utility   
 8  AIX             4e  QNX4.x 2nd part 88  Linux plaintext df  BootIt         
 9  AIX bootable    4f  QNX4.x 3rd part 8e  Linux LVM       e1  DOS access     
 a  OS/2 Boot Manag 50  OnTrack DM      93  Amoeba          e3  DOS R/O        
 b  W95 FAT32       51  OnTrack DM6 Aux 94  Amoeba BBT      e4  SpeedStor      
 c  W95 FAT32 (LBA) 52  CP/M            9f  BSD/OS          eb  BeOS fs        
 e  W95 FAT16 (LBA) 53  OnTrack DM6 Aux a0  IBM Thinkpad hi ee  EFI GPT        
 f  W95 Ext'd (LBA) 54  OnTrackDM6      a5  FreeBSD         ef  EFI (FAT-12/16/
10  OPUS            55  EZ-Drive        a6  OpenBSD         f0  Linux/PA-RISC b
11  Hidden FAT12    56  Golden Bow      a7  NeXTSTEP        f1  SpeedStor      
12  Compaq diagnost 5c  Priam Edisk     a8  Darwin UFS      f4  SpeedStor      
14  Hidden FAT16 <3 61  SpeedStor       a9  NetBSD          f2  DOS secondary  
16  Hidden FAT16    63  GNU HURD or Sys ab  Darwin boot     fb  VMware VMFS    
17  Hidden HPFS/NTF 64  Novell Netware  b7  BSDI fs         fc  VMware VMKCORE
18  AST SmartSleep  65  Novell Netware  b8  BSDI swap       fd  Linux raid auto
1b  Hidden W95 FAT3 70  DiskSecure Mult bb  Boot Wizard hid fe  LANstep        
1c  Hidden W95 FAT3 75  PC/IX           be  Solaris boot    ff  BBT            
Hex code (type L to list codes): 8e
Changed system type of partition 1 to 8e (Linux LVM)

Command (m for help): p

Disk /dev/sdb: 21.4 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1          62      497983+  8e  Linux LVM

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.

-------------------parted
[root@rheltest1 ~]#parted /dev/sdb
GNU Parted 1.8.1
Using /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print                                                            

Model: VMware, VMware Virtual S (scsi)
Disk /dev/sdb: 21.5GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number  Start   End    Size   Type     File system  Flags
 1      32.3kB  510MB  510MB  primary               lvm  

(parted) mkpart                                                           
Partition type?  primary/extended? 511                                    
parted: invalid token: 511
Partition type?  primary/extended? parimary                               
parted: invalid token: parimary
Partition type?  primary/extended? primary                                
File system type?  [ext2]?                                                
Start? 511                                                                
End? 1000                                                                 
(parted) print                                                            

Model: VMware, VMware Virtual S (scsi)
Disk /dev/sdb: 21.5GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number  Start   End     Size   Type     File system  Flags
 1      32.3kB  510MB   510MB  primary               lvm  
 2      511MB   1000MB  489MB  primary                    

(parted) set                                                              
Partition number? 2                                                       
Flag to Invert?  boot/hidden/raid/lvm/lba/palo/prep? lvm                  
New state?  [on]/off?                                                     
(parted) print                                                            

Model: VMware, VMware Virtual S (scsi)
Disk /dev/sdb: 21.5GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number  Start   End     Size   Type     File system  Flags
 1      32.3kB  510MB   510MB  primary               lvm  
 2      511MB   1000MB  489MB  primary               lvm  

(parted) quit                                                             
Information: Don't forget to update /etc/fstab, if necessary.
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