how to resize pv (pvresize)

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how to resize pv (pvresize)

i am running redhat on VMware

i increased a disk size from san for existing disk /dev/sdb

how do i resize the disk

[root@localhost ~]# pvdisplay
  --- Physical volume ---
  PV Name               /dev/sdb1
  VG Name               localvg
  PV Size               15.00 GB / not usable 2.99 MB
  Allocatable           yes
  PE Size (KByte)       4096
  Total PE              3839
  Free PE               511
  Allocated PE          3328
  PV UUID               cwiT8q-V3aL-71LW-SM6V-tv2P-BBvU-Bq3OZ4

[root@localhost ~]# fdisk -l
Disk /dev/sda: 26.8 GB, 26843545600 bytes
255 heads, 63 sectors/track, 3263 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          38      305203+  83  Linux
/dev/sda2              39        3263    25904812+  8e  Linux LVM
Disk /dev/sdb: 32.2 GB, 32212254720 bytes
255 heads, 63 sectors/track, 3916 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1        1958    15727603+  8e  Linux LVM

[root@localhost ~]# fdisk /dev/sdb
The number of cylinders for this disk is set to 3916.
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)
Command (m for help): p
Disk /dev/sdb: 32.2 GB, 32212254720 bytes
255 heads, 63 sectors/track, 3916 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1        1958    15727603+  8e  Linux LVM
Command (m for help):


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RESIZE(1)						      General Commands Manual							 RESIZE(1)

resize - set environment and terminal settings to current xterm window size SYNOPSIS
resize [ -u | -c ] [ -s [ row col ] ] DESCRIPTION
Resize prints a shell command for setting the appropriate environment variables to indicate the current size of xterm window from which the command is run. For this output to take effect, resize must either be evaluated as part of the command line (usually done with a shell alias or function) or else redirected to a file which can then be read in. From the C shell (usually known as /bin/csh), the following alias could be defined in the user's .cshrc: % alias rs 'set noglob; eval `resize`' After resizing the window, the user would type: % rs Users of versions of the Bourne shell (usually known as /bin/sh) that don't have command functions will need to send the output to a tempo- rary file and then read it back in with the "." command: $ resize > /tmp/out $ . /tmp/out Resize determines the user's current shell by first checking if $SHELL is set, and using that. Otherwise it determines the user's shell by looking in the password file. Generally Bourne-shell variants (including ksh) do not modify $SHELL, so it is possible for resize to be confused if one runs resize from a Bourne shell spawned from a C shell. OPTIONS
The following options may be used with resize: -u This option indicates that Bourne shell commands should be generated even if the user's current shell isn't /bin/sh. -c This option indicates that C shell commands should be generated even if the user's current shell isn't /bin/csh. -s [rows columns] This option indicates that Sun console escape sequences will be used instead of the VT100-style xterm escape codes. If rows and columns are given, resize will ask the xterm to resize itself. However, the window manager may choose to disallow the change. Note that the Sun console escape sequences are recognized by XFree86 xterm and by dtterm. The resize program may be installed as sunsize, which causes makes it assume the -s option. The rows and columns arguments must appear last; though they are normally associated with the -s option, they are parsed separately. FILES
/etc/termcap for the base termcap entry to modify. ~/.cshrc user's alias for the command. ENVIRONMENT
TERM set to "xterm" if not already set. TERMCAP variable set on systems using termcap COLUMNS, LINES variables set on systems using terminfo SEE ALSO
csh(1), tset(1), xterm(1) AUTHORS
Mark Vandevoorde (MIT-Athena), Edward Moy (Berkeley) Copyright (c) 1984, 1985 by X Consortium See X(7) for a complete copyright notice. X Window System RESIZE(1)

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