[linux-lvm] LVM - Adding a Disk

[Ray Morris]

Generally speaking:
pvcreate
vgextend
lvextend
umount
resize2fs
rtfm
-- 
Ray Morris
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On Thu, 02 Jun 2011 09:27:01 -0700
"Lee Gold" <leegold at operamail.com> wrote:

> Hi,
> 
> I installed Ubuntu 10.04 Server using LVM during the install. This is
> a intranet/home/personal server - it works well so far. I will run
> out of space and want to add a hard drive. AFAIK I specifically need
> more space in the web "document root" - in /var/www . I have 60 out
> of a 100 GB hard disk devoted to that area right now and I continue
> to load video and audio files under /var/www - it will fill up.
> 
> I stand ready to provide any info needed. I think I can fill in the
> details from the manual...
> 
> But generally speaking what should I do? 
> 
> Below I'm taking a stab at what info is needed. Thanks:
> 
> 
> $ sudo fdisk -l
> Disk /dev/sda: 100.0 GB, 100030242816 bytes
> 255 heads, 63 sectors/track, 12161 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: 0x69add380
> 
>    Device Boot      Start         End      Blocks   Id  System
> /dev/sda1   *           1          25      194560   83  Linux
> Partition 1 does not end on cylinder boundary.
> /dev/sda2              25       12162    97489920   8e  Linux LVM
> 
> 
> $ sudo parted /dev/sda print
> Model: ATA WDC WD1000JB-00C (scsi)
> Disk /dev/sda: 100GB
> Sector size (logical/physical): 512B/512B
> Partition Table: msdos
> 
> Number  Start   End    Size    Type     File system  Flags
>  1      1049kB  200MB  199MB   primary  ext2         boot
>  2      200MB   100GB  99.8GB  primary               lvm
> 
> 
> 
> $ sudo lvm version
>   LVM version:     2.02.54(1) (2009-10-26)
>   Library version: 1.02.39 (2009-10-26)
>   Driver version:  4.15.0
> 
> 
> $ sudo vgdisplay 
>   --- Volume group ---
>   VG Name               system
>   System ID             
>   Format                lvm2
>   Metadata Areas        1
>   Metadata Sequence No  5
>   VG Access             read/write
>   VG Status             resizable
>   MAX LV                0
>   Cur LV                4
>   Open LV               4
>   Max PV                0
>   Cur PV                1
>   Act PV                1
>   VG Size               92.97 GiB
>   PE Size               4.00 MiB
>   Total PE              23801
>   Alloc PE / Size       23801 / 92.97 GiB
>   Free  PE / Size       0 / 0   
>   VG UUID               vvUrmr-sP9W-H5me-Axol-5pYk-4Cit-AoqwjV
> 
> 
> $ sudo lvdisplay
>   --- Logical volume ---
>   LV Name                /dev/system/root
>   VG Name                system
>   LV UUID                8T4l84-UzUn-poOl-CUuc-flj4-JHwd-rWaARc
>   LV Write Access        read/write
>   LV Status              available
>   # open                 1
>   LV Size                18.62 GiB
>   Current LE             4768
>   Segments               1
>   Allocation             inherit
>   Read ahead sectors     auto
>   - currently set to     256
>   Block device           251:0
>    
>   --- Logical volume ---
>   LV Name                /dev/system/var
>   VG Name                system
>   LV UUID                7wVbH1-vHGU-b719-BPyd-gM0i-4eV6-i4PvY3
>   LV Write Access        read/write
>   LV Status              available
>   # open                 2
>   LV Size                60.54 GiB
>   Current LE             15497
>   Segments               1
>   Allocation             inherit
>   Read ahead sectors     auto
>   - currently set to     256
>   Block device           251:1
>    
>   --- Logical volume ---
>   LV Name                /dev/system/home
>   VG Name                system
>   LV UUID                rzMoJJ-EGnB-3lDG-LJZP-SFKP-AAui-YzwlZP
>   LV Write Access        read/write
>   LV Status              available
>   # open                 2
>   LV Size                11.02 GiB
>   Current LE             2820
>   Segments               1
>   Allocation             inherit
>   Read ahead sectors     auto
>   - currently set to     256
>   Block device           251:2
>    
>   --- Logical volume ---
>   LV Name                /dev/system/swap
>   VG Name                system
>   LV UUID                91ohFo-KzaI-T5bQ-dVne-HZxT-dfON-M49JL2
>   LV Write Access        read/write
>   LV Status              available
>   # open                 1
>   LV Size                2.80 GiB
>   Current LE             716
>   Segments               1
>   Allocation             inherit
>   Read ahead sectors     auto
>   - currently set to     256
>   Block device           251:3
> 
> 
> $ df -Th
> Filesystem    Type    Size  Used Avail Use% Mounted on
> /dev/mapper/system-root
>               ext3     19G 1010M   17G   6% /
> none      devtmpfs    497M  228K  497M   1% /dev
> none         tmpfs    501M     0  501M   0% /dev/shm
> none         tmpfs    501M   36K  501M   1% /var/run
> none         tmpfs    501M     0  501M   0% /var/lock
> none         tmpfs    501M     0  501M   0% /lib/init/rw
> /dev/sda1     ext2    179M   31M  138M  19% /boot
> /dev/mapper/system-home
>           reiserfs     12G   44M   11G   1% /home
> /dev/mapper/system-var
>           reiserfs     61G   19G   43G  31% /var
> 
> 
> ----end of post----Thanks.
> 
> 
> 
>