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Re: Adding new disk to volume group



fdisk -l

Disk /dev/cciss/c0d0: 36.4 GB, 36414750720 bytes
255 heads, 32 sectors/track, 8716 cylinders
Units = cylinders of 8160 * 512 = 4177920 bytes

          Device Boot      Start         End      Blocks   Id  System
/dev/cciss/c0d0p1               1           2        8144    4  FAT16 <32M
/dev/cciss/c0d0p2   *           3          52      204000   83  Linux
/dev/cciss/c0d0p4 285 8716 34402560 f W95 Ext'd (LBA)
/dev/cciss/c0d0p5             285        8064    31742384   8e  Linux LVM
/dev/cciss/c0d0p6            8065        8578     2097104   82  Linux swap

Disk /dev/cciss/c0d1: 36.4 GB, 36414750720 bytes
255 heads, 32 sectors/track, 8716 cylinders
Units = cylinders of 8160 * 512 = 4177920 bytes

Disk /dev/cciss/c0d1 doesn't contain a valid partition table

[root lx6 cciss]# vgdisplay -v
   Finding all volume groups
   Finding volume group "VolGroup00"
   Fixing up missing format1 size (30.27 GB) for PV /dev/cciss/c0d0p5
 --- Volume group ---
 VG Name               VolGroup00
 System ID
 Format                lvm2
 Metadata Areas        1
 Metadata Sequence No  7
 VG Access             read/write
 VG Status             resizable
 MAX LV                0
 Cur LV                5
 Open LV               5
 Max PV                0
 Cur PV                1
 Act PV                1
 VG Size               30.25 GB
 PE Size               32.00 MB
 Total PE              968
 Alloc PE / Size       870 / 27.19 GB
 Free  PE / Size       98 / 3.06 GB
 VG UUID               psKZl5-5omn-3pqG-S6Ip-i4wR-9OGc-7LSmbP

 --- Logical volume ---
 LV Name                /dev/VolGroup00/LogVol00
 VG Name                VolGroup00
 LV UUID                Sng7Z5-PTPx-snkr-nAzW-PkKz-LkUt-7TZTaS
 LV Write Access        read/write
 LV Status              available
 # open                 1
 LV Size                4.00 GB
 Current LE             128
 Segments               1
 Allocation             inherit
 Read ahead sectors     0
 Block device           253:0

 --- Logical volume ---
 LV Name                /dev/VolGroup00/LogVol01
 VG Name                VolGroup00
 LV UUID                nDG0HT-xL9G-xD9D-emyJ-g4mf-huCj-SOvgnz
 LV Write Access        read/write
 LV Status              available
 # open                 1
 LV Size                5.00 GB
 Current LE             160
 Segments               2
 Allocation             inherit
 Read ahead sectors     0
 Block device           253:1

 --- Logical volume ---
 LV Name                /dev/VolGroup00/LogVol02
 VG Name                VolGroup00
 LV UUID                P9cXHo-BttJ-IHgo-b8Vw-xPjM-ncxA-Vjcv08
 LV Write Access        read/write
 LV Status              available
 # open                 1
 LV Size                1.00 GB
 Current LE             32
 Segments               1
 Allocation             inherit
 Read ahead sectors     0
 Block device           253:2

 --- Logical volume ---
 LV Name                /dev/VolGroup00/LogVol03
 VG Name                VolGroup00
 LV UUID                lDHKwJ-Y0Lf-3SR4-NoNr-ZjN2-cH4O-B8718x
 LV Write Access        read/write
 LV Status              available
 # open                 1
 LV Size                4.00 GB
 Current LE             128
 Segments               1
 Allocation             inherit
 Read ahead sectors     0
 Block device           253:3

 --- Logical volume ---
 LV Name                /dev/VolGroup00/LogVol04
 VG Name                VolGroup00
 LV UUID                jS7ech-ru2u-08JG-ulZp-sPbr-lfSV-2FsCCO
 LV Write Access        read/write
 LV Status              available
 # open                 1
 LV Size                13.19 GB
 Current LE             422
 Segments               1
 Allocation             inherit
 Read ahead sectors     0
 Block device           253:4

 --- Physical volumes ---
 PV Name               /dev/cciss/c0d0p5
 PV UUID               NTkXuW-R4CJ-HqxT-WYAp-hOjb-8YTB-1Fj0vL
 PV Status             allocatable
 Total PE / Free PE    968 / 98

One volume group was only setup  "VolGroup00"

Geofrey Rainey wrote:
Hello,

Firstly, please answer these two questions:

1. what do you see with this command:

# fdisk -l
2. How many volume groups do you have? (you can find this information
With the following command. The -v flag will give more verbose output including the logical volumes associated with each volume group):

# vgdisplay -v
		
Regards,
Geofrey Rainey

-----Original Message-----
From: redhat-list-bounces redhat com
[mailto:redhat-list-bounces redhat com] On Behalf Of Kory Wheatley
Sent: Thursday, 27 September 2007 8:51 a.m.
To: General Red Hat Linux discussion list
Subject: Adding new disk to volume group

Currently I'm using Red Hat Enterprise 4 that has two disk on a Hardware
Raid 1 (Smart Array 5i controller) that is setup in  a Volume Group
(VolGroup00) with the following logical volumes LogVol00, LogVol01, LogVol02, LogVol03, LogVol04, and LogVol05. I recently added two more

disks in our system/server  (these are internal disks on a HP Proliant
DL380 g2) and set these disk as a Hardware Raid 1.  Now I haven't used
Fdisk or nothing on these new disks.
Here's my question:  How do I add the new disks to the already existing
Volume Group so that I can have more space on the Volume Group.  Being a
Raid1 I know your only adding one disk.  Could someone send me the exact
commands to use?
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