Fedora Users — Re: disk replacement

Oliver Vecernik wrote:

Hi,

Paul Howarth schrieb:

You can then boot back into Fedora, in which "df" should show the reduced size of the partition. You can then use pvmove to move everything off /dev/hdb1 onto /dev/hda2, and then vgreduce to remove /dev/hdb1 from the volume group. At that point you can then repartition hdb, add a new LVM physical volume into your volume group (vgextend), use pvmove to move all the data to hdb, and vgreduce to remove hda2 from the volume group. You can also use ext2online to bring the /dev/VolGroup00/LogVol00 filesystem up to the full size of the volume it's on so that no space is wasted.

Hmm - still another problem. That's how far I got:

# df -h
Dateisystem          Größe Benut  Verf Ben% Eingehängt auf
/dev/mapper/VolGroup00-LogVol00
                       30G  4,4G   24G  16% /
/dev/hda1              99M   16M   79M  17% /boot
none                  252M     0  252M   0% /dev/shm

# vgdisplay -v
    Finding all volume groups
    Finding volume group "VolGroup00"
  --- Volume group ---
  VG Name               VolGroup00
  System ID
  Format                lvm2
  Metadata Areas        2
  Metadata Sequence No  7
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                2
  Open LV               2
  Max PV                0
  Cur PV                2
  Act PV                2
  VG Size               75,47 GB
  PE Size               32,00 MB
  Total PE              2415
  Alloc PE / Size       1056 / 33,00 GB
  Free  PE / Size       1359 / 42,47 GB
  VG UUID               Scg1fw-WM5q-eoj5-rcf8-AAAi-sKmV-nrWAYK

  --- Logical volume ---
  LV Name                /dev/VolGroup00/LogVol00
  VG Name                VolGroup00
  LV UUID                c3JfzP-cN3w-v49v-nXYN-whIc-b5A2-f7KMzx
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                32,00 GB
  Current LE             1024
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           253:0

  --- Logical volume ---
  LV Name                /dev/VolGroup00/LogVol01
  VG Name                VolGroup00
  LV UUID                K6Tqyu-jO0S-BpPC-8ob7-t7Qd-SOQ1-aK6EUY
  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           253:1

  --- Physical volumes ---
  PV Name               /dev/hda2
  PV UUID               EpsJjV-7Svg-cMVX-sjdF-lMXQ-ruCB-9bzrXP
  PV Status             allocatable
  Total PE / Free PE    1189 / 133

  PV Name               /dev/hdb1
  PV UUID               0bUeIv-uudT-MadJ-WDpU-yMD0-4P4n-Suitsd
  PV Status             allocatable
  Total PE / Free PE    1226 / 1226


I moved everthing from /dev/hdb1, all PE are free now. But trying to
reduce the VG gives me an error:

# vgreduce /dev/VolGroup00 /dev/hdb1
  /var/lock/lvm/V_/dev/VolGroup00: open failed: Datei oder Verzeichnis
nicht gefunden
  Can't get lock for /dev/VolGroup00


This means that some file or directory is not found. Any ideas what's
going wrong here?


Can you try:
# vgreduce -v VolGroup00 /dev/hdb1

Paul.