2014-03-16 8:24 GMT-06:00 Dale <rdalek1...@gmail.com>:

> Howdy,
>
> I got this when rebooting after we had a power outage.  I have a UPS so
> I was able to perform a regular shutdown.
>
>
> [    2.567061] hub 8-1:1.0: state 7 ports 4 chg 0000 evt 0000
> [    2.567069] hub 8-1:1.0: hub_suspend
> [    2.579644] usb 8-1: usb auto-suspend, wakeup 1
> [    2.591677] hub 8-0:1.0: hub_suspend
> [    2.591682] usb usb8: bus auto-suspend, wakeup 1
> [    3.362374] dracut: root has been mounted 29 times without being
> checked, check forced.
> [    3.363014] dracut: root: 28323/1525920 files (0.4% non-contiguous),
> 580665/6102684 blocks
> [    3.364957] dracut: Mounting
> /dev/disk/by-uuid/888352dd-9c91-4a9f-9595-cd0e74b74ee7 with -o defaults,ro
> [    3.474224] EXT4-fs (sda6): mounted filesystem with ordered data
> mode. Opts: (null)
> [    3.522894] dracut: Mounted root filesystem /dev/sda6
> [    3.568630] dracut: Mounting /usr with -o defaults,ro
> [    3.600028] dracut: mount: special device /dev/disk/by-label/usr does
> not exist
>

Seems like the block device for /usr couldn't be found by it's label, root
partition seems fine after check and properly mounted, so I'd say it has
nothing to do.


> [    3.601749] dracut Warning: Mounting /usr to /sysroot/usr failed
> [    3.602452] dracut Warning: *** Dropping you to a shell; the system
> will continue
> [    3.603419] dracut Warning: *** when you leave the shell.
> [    3.604892] dracut Warning:
> [    3.849621] blkid (2070) used greatest stack depth: 4576 bytes left
> + '[' -f /run/initramfs/init.log ']'
> root@fireball / #
>
>
> It seems to me that the / file system needed to be checked.  For that
> reason, it couldn't mount /usr after the check was performed.  That's my
> thinking on this.  Anyone think otherwise?  Is this a one off event or
> should I be concerned about this?
>

Is the block device corresponding to /usr available under another directory
in /dev?  if not something wrong might be going on with that block device.
I personally prefer using UUIDs for finding partitions at boot, they are
more fail-proof.

Is there some way to avoid this in the future without disabling file
> system check for /?
>

Again, maybe UUIDs.

>
> Another related LVM question.  I have some partitions on LVM.  If I
> moved the drives to another system, would the new LVMs be found on the
> new system or is there some magic involved to find and get them
> mounted?  Example.  My /home is on its own LVM partition.  If I moved
> the drive that has that on it, would the new system see it or would I
> have to do something to make it see it?  I suspect and wouldn't want it
> to mount automatically.  I'd just want to be able to see it and mount it
> if needed.  Sort of a question I have always wondered about.
>
>

On my experience as long, as udev and lvm are running on the receiving
system, they should be found and placed for access under /dev, not mounted
automatically.
if for some reason it doesnt happen, its easy to do a 'pvscan' to see if
the physical volume is recognized, and if it is, 'vgchange -ay
volume_group_name ' activates all LVs.


> Thanks much.
>
> Dale
>
> :-)  :-)
>
> P. S.  For those who recall my brother having cancer.  He is close to
> the end of his treatments.  Lost a LOT of weight but hanging in there.
>
>

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