[CentOS] "No free sectors available" while try to extend logical volumen in a virtual machine running CentOS 6.5

[reynierpm at gmail.com]

On Mon, Oct 27, 2014 at 11:21 PM, Robert Nichols <rnicholsNOSPAM at comcast.net
> wrote:

> Those I/O errors are alarming.  They suggest that you have a disk that is
> failing.  Does anything about disk sda appear in /var/log/messages when
> you do that?  You should indeed have 29GB available for growing lv_root,
> but perhaps the disk error is what is preventing the tool from finding
> the LV's UUID.
>


If I search through grep uuid this is what I get

#cat /var/log/messages | grep uuid
Oct 27 17:56:08 localhost kernel: dracut: Couldn't find device with uuid
vSbuSJ-o1Kh-N3ur-JYkM-Ktr4-WEO2-JWe2wS.
Oct 27 17:56:08 localhost kernel: dracut: Couldn't find device with uuid
vSbuSJ-o1Kh-N3ur-JYkM-Ktr4-WEO2-JWe2wS.
Oct 27 17:56:08 localhost kernel: dracut: Couldn't find device with uuid
vSbuSJ-o1Kh-N3ur-JYkM-Ktr4-WEO2-JWe2wS.
Oct 27 17:56:08 localhost kernel: dracut: Couldn't find device with uuid
vSbuSJ-o1Kh-N3ur-JYkM-Ktr4-WEO2-JWe2wS.

And if I do throug sda instead I get this:
#cat /var/log/messages | grep sda
Oct 27 17:56:08 localhost kernel: sd 2:0:1:0: [sda] 167772160 512-byte
logical blocks: (85.8 GB/80.0 GiB)
Oct 27 17:56:08 localhost kernel: sd 2:0:1:0: [sda] Write Protect is off
Oct 27 17:56:08 localhost kernel: sd 2:0:1:0: [sda] Cache data unavailable
Oct 27 17:56:08 localhost kernel: sd 2:0:1:0: [sda] Assuming drive cache:
write through
Oct 27 17:56:08 localhost kernel: sd 2:0:1:0: [sda] Cache data unavailable
Oct 27 17:56:08 localhost kernel: sd 2:0:1:0: [sda] Assuming drive cache:
write through
Oct 27 17:56:08 localhost kernel: sda: sda1 sda2
Oct 27 17:56:08 localhost kernel: sd 2:0:1:0: [sda] Cache data unavailable
Oct 27 17:56:08 localhost kernel: sd 2:0:1:0: [sda] Assuming drive cache:
write through
Oct 27 17:56:08 localhost kernel: sd 2:0:1:0: [sda] Attached SCSI disk
Oct 27 17:56:08 localhost kernel: dracut: Scanning devices sda2  for LVM
logical volumes vg_devserver/lv_root vg_devserver/lv_swap
Oct 27 17:56:08 localhost kernel: dracut: Scanning devices sda2  for LVM
logical volumes vg_devserver/lv_root vg_devserver/lv_swap
Oct 27 17:56:08 localhost kernel: EXT4-fs (sda1): mounted filesystem with
ordered data mode. Opts: