I ran out of space for my cobbler repos in my CentOS 6.2 home for
cobbler. Specifically, the default CentOS install allocates only 50 GiB
of space for the LVM filesystem /dev/mapper/*/lv_root, which is mounted
on /, and I needed more of that. Since /opt comes under this, it was as
empty of space as /var. So this meant using lvm commands to resize
*lv_root and add space to it. I got into trouble with this unfortunately.
Stuart suggested using 'lvextend' and 'lgextend' and perhaps I should
have researched that more. Instead, I found this how-to and followed it:
http://www.how2centos.com/centos-lvm-resizing-guide/
I robbed 1.2T of space from /dev/vg_cobbler1/lv_home using 'lvresize'
and got these messages:
lvresize -L -1.2T /dev/vg_cobbler1/lv_home
rounding up size to full physical 1.20 TiB
..
reducing logical volume lv_home to 577.98 GiB
Then tried putting this space into /dev/vg_cobbler1/lv_root:
lvresize -L +1.2T /dev/vg_cobbler1/lv_root
rounding up size to full physical extent 1.20 TiB
Extending logical volume lv_root to 1.25 TiB
Insufficient free space: 314573 extents needed but only 314572 available
what is this trying to tell me? And how do I fix it? Have I ruined the
filesystem(s) at this point?
Should I have used 'lvextend' as suggested by Stuart, instead?
The story will continue with what I did after this, but I would like to
stop here and see what those of you more expert than me think.
Thanks
Bob
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