Re: Boot problems after adding 2 new disks

Andrew Greig via luv-main Sat, 16 Feb 2019 07:39:32 -0800

On 16/2/19 4:08 pm, Craig Sanders via luv-main wrote:

On Sat, Feb 16, 2019 at 03:00:08PM +1100, Morrie Wyatt wrote:

The one extra step you might need to add to the end of Craig's list would be
to force a rebuild of your bootloader configuration (probably Grub) so that
the fstab UUID / LABEL changes get propagated into grub's config files.

It certainly can't hurt to do that but it shouldn't be necessary.  Grub uses
UUIDs by default unless you tell it not to. There's a commented out option in
/etc/default/grub on debian/ubuntu systems to disable use grub's of UUID:


    # Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
    #GRUB_DISABLE_LINUX_UUID=true

There's almost no reason why anyone would need to uncomment that.



It might, however, be worthwhile running 'grub-install' on ALL of the drives
*after* the system has successfully booted with the new drives installed.
That way the grub first stage boot loader will be available no matter which
drive the BIOS tries to boot from (this is assuming that it's an old-style
BIOS boot, rather than UEFI. UEFI is different, it loads grub directly from a
smallish FAT-32 EFI partition).

craig

--
craig sanders <[email protected]>
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Hi All.

I fired up gparted

sda1 is found and has very little space left

sdb1 has been found and automatically configured thus:

Partition /dev/sdb1 (key symbol)

Filesystem lvm2 pv

Mount point Ubuntu-vg

Size 1.82TiB Used 1.82TiB Unused 376.00MiB Flags lvm

The second drive shows as /dev/sdc1

Partition sdc1

File system lvm2 pv

size 1.82TiB

Used 1.82TiB Unused Flags lvm

Will try a reboot now.

BRB

Andrew

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Re: Boot problems after adding 2 new disks

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