Re: More UUID madness

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On 09/19/2013 06:30 AM, Mark Haney issued this missive:
I posted an issue I was having booting a new install of F19 on my
Samsung netbook.  It seems that my system cannot find the disks by UUID
for some reason.  The way I fixed this before was to edit grub to use
the device name /dev/sda5 (which is /boot) instead of UUID.

Uh, you want the UUID of the root filesystem ("/") instead of "/boot".

                                                             Some people
replied that I needed to make sure that my system UUID matched what grub
was trying to use.  I've attached a copy of the UUIDs (from blkid) and
from /boot/grub2/grub.cfg.  I did another fresh install of F19,
reformatted the partitions again and still had the same problem.  So I
booted back into my LiveUSB image and pulled the data from blkid and and
grub.cfg.   So, what do I do now?

I noticed in the boot params there's a '--fs-uuid' switch, can I remove
that and specify /dev/sda5 instead?  I know so little about the newest
boot process that I'm flailing here.  Help!

The best tool is "lsblk -f". You should see output like:

NAME FSTYPE LABEL UUID MOUNTPOINT
sda
├─sda1 ext3     /boot         86f2589e-b5d5-464a-a19f-7a26cec2a6cc   /boot
└─sda2 LVM2_mem               Z7Lynq-GOOr-GAdZ-yeSt-AleG-2WiQ-T5JBIm
  ├─VolGroup00-LogVol00
       ext3                   f07b9552-a738-4e07-9319-150939a5cd42   /
  └─VolGroup00-LogVol01
       swap                   e7dbb97c-bc3e-405b-8a3d-31a2edda2a42   [SWAP]
sdb
└─sdb1 ext3 CD-DVD-Images d137c115-1add-45e4-8210-08beca7ab8a5 /media/CD-D
sdc
└─sdc1 ext3 500GB-Drive e88e6570-2f82-495f-9b01-4e19616f8ef2 /media/500G
sr0

Again, you want the UUID of the root filesystem (in my case,
f07b9552-a738-4e07-9319-150939a5cd42).
----------------------------------------------------------------------
- Rick Stevens, Systems Engineer, AllDigital    ricks@xxxxxxxxxxxxxx -
- AIM/Skype: therps2        ICQ: 22643734            Yahoo: origrps2 -
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-         "OK, so you're a Ph.D. Just don't TOUCH anything!"         -
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