Hi, Here are the steps you need to do (they should be fine, but Let me know if you have any issues, and the associated error Because I might have missed something): Step 1. create a partition on your new disk: # fdisk /dev/cciss/c0d1 Once within fdisk, type the following (what you enter is between <> ) Command (m for help): <n> Command action e extended p primary partition (1-4) <p> Partition number (1-4): <1> First cylinder (1- ...): <press enter to select default> Last cylinder ... : <press enter to select default> Now, you will find yourself back at the main prompt. You will want to now Change the partition's ID to Linux LVM Command (m for help): <t> Hex code (type L to list codes): <8e> <w> - to write the partition table. Now you should be back in the shell. Step 2. create a new physical volume: # pvcreate /dev/cciss/c0d1p1 (I think this is what it should be if you have only made one single partition on the new disk). Step 3. Add your new physical volume to your existing volume group # pvextend VolGroup00 /dev/cciss/c0d1p1 Assuming the above worked, if you now type "vgdisplay -v", you should see two physical volumes at the bottom of the output, and an increase in capacity of In the following line: "Free PE / Size 98 / 3.06 GB" Regards, Geofrey Rainey. -----Original Message----- From: Kory Wheatley [mailto:wheakory@xxxxxxx] Sent: Thursday, 27 September 2007 9:48 a.m. To: Geofrey Rainey Cc: General Red Hat Linux discussion list Subject: 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@xxxxxxxxxx > [mailto:redhat-list-bounces@xxxxxxxxxx] 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? > ========================================================== > For more information on the Television New Zealand Group, visit us > online at tvnz.co.nz > ========================================================== > CAUTION: This e-mail and any attachment(s) contain information that > is intended to be read only by the named recipient(s). 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