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Full Discussion: How to expand three LVMs?
Operating Systems Linux Red Hat How to expand three LVMs? Post 302971564 by gull05 on Thursday 21st of April 2016 08:53:46 PM
Old 04-21-2016
Hello Zaxxon,

Thank you again,

I tried
Code:
pvresize /dev/sdb1

This didn't change the value and hence i went ahead and executed the command manually,

Code:
# pvresize --setphysicalvolumesize 420G /dev/sdb1
  WARNING: /dev/sdb1: Overriding real size. You could lose data.
  Physical volume "/dev/sdb1" changed
  1 physical volume(s) resized / 0 physical volume(s) not resized

This has very well changed the value ,
Code:
# pvdisplay
  --- Physical volume ---
  PV Name               /dev/sdb1
  VG Name               vg_ftpdata
  PV Size               420.00 GB / not usable 3.81 MB
  Allocatable           yes
  PE Size (KByte)       4096
  Total PE              107519
  Free PE               31148
  Allocated PE          76371
  PV UUID               tuJPoe-nHD6-R3C7-Mcss-njlT-yMei-e25Kde

But fdisk remains unchanged,
Code:
fdisk -l

Disk /dev/sda: 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/sda1   *           1          13      104391   83  Linux
/dev/sda2              14        3916    31350847+  8e  Linux LVM

Disk /dev/sdb: 429.4 GB, 429496729600 bytes
255 heads, 63 sectors/track, 52216 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1       39162   314568733+  8e  Linux LVM

How can i increase the size in fdisk , so that fdisk shows the increase value.Kindly help.Thanks

---------- Post updated at 07:53 PM ---------- Previous update was at 07:46 PM ----------

After knowing the answer for the above, i will go ahead and increase the LVM size.ThanksSmilie
 

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EXPAND(1)						    BSD General Commands Manual 						 EXPAND(1)

NAME
expand, unexpand -- expand tabs to spaces, and vice versa SYNOPSIS
expand [-t tab1,tab2,...,tabn] [file ...] unexpand [-a] [-t tab1,tab2,...,tabn] [file ...] DESCRIPTION
The expand utility processes the named files or the standard input writing the standard output with tabs changed into blanks. Backspace characters are preserved into the output and decrement the column count for tab calculations. The expand utility is useful for pre-process- ing character files (before sorting, looking at specific columns, etc.) that contain tabs. The unexpand utility puts tabs back into the data from the standard input or the named files and writes the result on the standard output. The following options are available: -a (unexpand only) By default, only leading blanks and tabs are reconverted to maximal strings of tabs. If the -a option is given, then tabs are inserted whenever they would compress the resultant file by replacing two or more characters. -t tab1,tab2,...,tabn Set tab stops at column positions tab1, tab2, ..., tabn. If only a single number is given, tab stops are set that number of column positions apart instead of the default number of 8. ENVIRONMENT
The LANG, LC_ALL and LC_CTYPE environment variables affect the execution of expand and unexpand as described in environ(7). DIAGNOSTICS
The expand and unexpand utilities exit 0 on success, and >0 if an error occurs. STANDARDS
The expand and unexpand utilities conform to IEEE Std 1003.1-2001 (``POSIX.1''). HISTORY
The expand command appeared in 3.0BSD. BSD
April 21, 2002 BSD
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