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: