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Re: LVM2 redimensionar (SOLUCIONADO)



Paso a continuacion los pasos realizados para reimensionar las
particiones en lvm

#lvdisplay
>
> --- Logical volume ---
>   LV Name                /dev/Zahir/root
>   VG Name                Zahir
>   LV UUID                00Xf0C-wthL-BQgi-hzwu-BYNZ-neNn-QLBsVU
>   LV Write Access        read/write
>   LV Status              available
>   # open                 1
>   LV Size                6,68 GB
>   Current LE             1709
>   Segments               1
>   Allocation             inherit
>   Read ahead sectors     0
>   Block device           254:1
>
>   --- Logical volume ---
>   LV Name                /dev/Zahir/swap_1
>   VG Name                Zahir
>   LV UUID                AO0jE2-La39-mGQL-PB2o-ReRq-lYre-HX4ILF
>   LV Write Access        read/write
>   LV Status              available
>   # open                 2
>   LV Size                2,59 GB
>   Current LE             664
>   Segments               1
>   Allocation             inherit
>   Read ahead sectors     0
>   Block device           254:2
>
> mas la particion /home .....


quiero reducir la particion /swap de 1512M y agregarlos a la particion
/root.

# swapoff /dev/Zahir/swap_1
#lvreduce -L-1512G /dev/Zahir/swap_1

WARNING: Reducing active and open logical volume to 1,12 GB
  THIS MAY DESTROY YOUR DATA (filesystem etc.)
Do you really want to reduce swap_1? [y/n]: y
  Reducing logical volume swap_1 to 1,12 GB
  Logical volume swap_1 successfully resized

#mkswap /dev/Zahir/swap_1

Configurando espacio de intercambio versión 1, tamaño = 1199566 kB
no label, UUID=ab6772f8-1776-439f-873f-d52e4a8e66bc

#swapon /dev/Zahir/swap_1

verifico
#lvdisplay
 --- Logical volume ---
  LV Name                /dev/Zahir/swap_1
  VG Name                Zahir
  LV UUID                AO0jE2-La39-mGQL-PB2o-ReRq-lYre-HX4ILF
  LV Write Access        read/write
  LV Status              available
  # open                 2
  LV Size                1,12 GB
  Current LE             286
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           254:2

#lvextend -L+1512M  /dev/Zahir/root
Extending logical volume root to 8,15 GB
  Logical volume root successfully resized

#resize2fs /dev/Zahir/root

resize2fs 1.40.3 (05-Dec-2007)
Filesystem at /dev/Zahir/root is mounted on /; on-line resizing required
old desc_blocks = 1, new_desc_blocks = 1
Performing an on-line resize of /dev/Zahir/root to 2137088 (4k) blocks.
The filesystem on /dev/Zahir/root is now 2137088 blocks long.


#lvdisplay
--- Logical volume ---
  LV Name                /dev/Zahir/root
  VG Name                Zahir
  LV UUID                00Xf0C-wthL-BQgi-hzwu-BYNZ-neNn-QLBsVU
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                8,15 GB
  Current LE             2087
  Segments               2
  Allocation             inherit
  Read ahead sectors     0
  Block device           254:1

y voila !!!

agradezco el tiempo que han perdido aquellos que me han dado una mano
respondiendo o leyendo el hilo.
La cuestion era facil...pero la inexperiencia hace que debo estar al
150% seguro antes de realizar los cambios.


gracias.

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