[GTALUG] Remove drive, system won't boot

[William Park]

Looks like your HDD1 (Seagate 4TB) is failing, so can't mount /var,
/home, etc.  But, the actual mounting order goes like
    sda -- Adata 60GB
    sdb -- WD 10TB (the new disk)
    sdc -- Seagate 4TB

1. Try swapping the SATA connectors of 10TB and 4TB disks.
2. Replace 4TB as well.
-- 
William Park <opengeometry at yahoo.ca>

On Sat, Jan 04, 2020 at 09:49:58AM -0500, Evan Leibovitch via talk wrote:
> Hi again,
> 
> Sorry for two system problems over the holidays, but this last one truly
> has me stumped.
> 
> Last week I had a problem trying to back up files onto a large drive using
> a USB enclosure.
> 
> This week I've tried to complete the install, and of course it could not go
> without problems....
> 
> The config is:
> SDD with /boot and /
> HDD1 with /var, /home and swap
> HDD2 has one data partition
> HDD3 has one data partition
> I am trying to replace HDD2 with HDD3.
> 
> HDD3 installs and mounts just fine. But if I unplug HDD2, the machine
> refuses to boot. Taking it to recovery mode eventually ends up in a
> hardware freeze. Plugging it back in goes to a normal boot, even though the
> HDD2's partition is no longer mounted to anything.
> 
> I've tried to eliminate the BIOS as a source of the problem, have updated
> it to the latest version and ensured that the disk-to-be-removed is not
> seen in any BIOS configurations.
> 
> I attach the one log file I am able to capture, since it freezes before
> mounting /var.
> 
> As best as I can tell the freeze happens during the point of the bootup
> where it's running fsck on the drives. It may be looking for the removed
> HDD2 but I don't know where it's remembering to look for it. HDD2 is no
> longer in /etc/fstab and I searched in vain for any instance of the UUID of
> HDD2 in either /boot or /etc.
> 
> Any suggestions?
> 
> 
> -- 
> Evan Leibovitch, Toronto Canada
> @evanleibovitch or @el56


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