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Background

I've got one 32GB SSD that I have Ubuntu 12.10 installed on (this drive is encrypted), and two 1.5TB drives that will serve as storage and backup respectively. I have formated both drives (sdb, sdc) as ext4 and added them to fstab:

UUID=f8522a6f-2c4a-4e6a-bc45-390c13973a4f /pool/single-storage-00 ext4 defaults 0 2
UUID=caf3f01d-5f44-4baf-a7c6-75e2df39d088 /pool/single-backup-00  ext4 defaults 0 2

Problem

When I try to reboot after modifying fstab, the boot drive doesn't even show up in BIOS any more.

If I unplug the two storage drives, Ubuntu is able to boot up normally (apart from not being able to locate the storage drives). I've also discovered that I can boot up when these drives are plugged in only if they aren't in fstab.

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Something here doesn't make sense. In particular the BIOS knows nothing about /etc/fstab. Are you sure that having the drives in fstab prevents the BIOS from seeing them? That really ought not be possible. (I assume of course you haven't replaced your BIOS with coreboot) –  derobert Feb 13 '13 at 5:35
    
Now everything is working fine... weird. Maybe a bad SSD? Is that possible? –  Nathan Wehr Feb 13 '13 at 12:28
    
Something is flaky. Are all the drives internal SATA? –  derobert Feb 13 '13 at 15:48
    
Correct. The SSD is on SATA 1 and the two other drives are on SATA 3 and 4. The MB is a nVidia 790i Ultra SLI (nVidia SATA controllers I presume...). –  Nathan Wehr Feb 13 '13 at 15:53

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