On 8/5/2015 1:00 PM, Chris Murphy wrote: > On Wed, Aug 5, 2015 at 10:52 AM, Bowie Bailey <Bowie_Bailey at buc.com> wrote: >> How would I go about pointing it at the partition? >> >> What I am currently doing is this: >> device (hd0) /dev/hdg >> root (hd0,0) >> setup (hd0) > > setup (hd1,0) > > It's hd1 if your device map is correct and hdg is hd1. And then ,0 is > for the first partition assuming that's an ext3 boot partition. What I am doing on my other system (where everything is working), is forcing grub to install to both drives as hd0. I found that when the first drive dies and I remove it from the system, grub will see the remaining drive as hd0, regardless of what it was before. So if I install grub to the second disk as hd1, then it won't boot as a single drive. And to get this back to a single thread: On 8/5/2015 1:03 PM, Chris Murphy wrote: > On Wed, Aug 5, 2015 at 10:58 AM, Bowie Bailey <Bowie_Bailey at buc.com> wrote: > >> I tried 'smartctl -a' and 'hdparm -I', but I don't see anything about >> Advanced Format. What am I looking for? > # smartctl -i /dev/hdg | grep -i sector > Sector Size: 512 bytes logical/physical I don't get a "Sector Size" line. smartctl version 5.38 [i686-redhat-linux-gnu] Copyright (C) 2002-8 Bruce Allen Home page is http://smartmontools.sourceforge.net/ === START OF INFORMATION SECTION === Device Model: WDC WD10EZEX-60M2NA0 Serial Number: WD-WCC3F6AX0119 Firmware Version: 03.01A03 User Capacity: 1,000,204,886,016 bytes Device is: Not in smartctl database [for details use: -P showall] ATA Version is: 9 ATA Standard is: Not recognized. Minor revision code: 0x1f Local Time is: Wed Aug 5 13:09:16 2015 EDT SMART support is: Available - device has SMART capability. SMART support is: Enabled -- Bowie