I extended logical volume, but filesystem size has not increased

[Parameshwara Bhat]

Hello List,

I am running FC4. My '/' is '/dev/VolGroup00/LogVol00' mapped to physical
partition '/dev/hda2'. I felt it's getting too filled up and added another
partition from the second drive 'dev/hdb5' to Logical Volume 00. I
initialised and added the partition to 'VolGroup00' using
'system-config-lvm' gui. As it doesn't allow extension of logical volume,
I used 'lvextend' command to do it. Everything worked well except that
still the size of my '/' is reported as 286 MB (vacant) whereas I have
added a
partition of size 8 GB to it and I expected it to be around 8.2 GB

lvm> lvscan
     ACTIVE            '/dev/VolGroup00/LogVol00' [13.00 GB] inherit
     ACTIVE            '/dev/VolGroup00/LogVol01' [512.00 MB] inherit
lvm> lvmdiskscan
     /dev/hda1 [      101.94 MB]
     /dev/hda2 [        5.54 GB] LVM physical volume
     /dev/hda3 [        1.89 GB]
     /dev/hda4 [      509.88 MB]
     /dev/hdb1 [        5.00 GB]
     /dev/hdb5 [        8.00 GB] LVM physical volume
     /dev/hdb6 [        8.00 GB]
     /dev/hdb7 [        8.00 GB]
     /dev/hdb8 [        7.78 GB]
     0 disks
     7 partitions
     0 LVM physical volume whole disks
     2 LVM physical volumes
lvm> lvs
     LV       VG         Attr   LSize   Origin Snap%  Move Copy%
     LogVol00 VolGroup00 -wi-ao  13.00G
     LogVol01 VolGroup00 -wi-ao 512.00M
lvm> vgs
     VG         #PV #LV #SN Attr  VSize  VFree
     VolGroup00   2   2   0 wz--n 13.50G    0

Is it because /dev/hdb5 is not mounted like /dev/hda2 ? But shouldnot it
get mounted when /dev/VolGroup00/LogVol00 gets mounted at '/' during
bootup? I looked up in the boot messages, I see no error message. I also
see device mapper module (dm_mod) loaded. What else could be the reason?

Thanks,

Parameshwara Bhat


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