RE: Trouble booting from a large USB hard drive

2010-01-18 Thread Daniel Richard G.
Colin Watson wrote: > > Unfortunately it seems that often even recent machines > suffer from them. > The date doesn't appear to be a good guideline. BIOS barriers for IDE/SATA/SCSI disks, still? Nine years on since 137GB? Now that's just laziness... > I believe, but am not sure, that ata.mod is

Re: Trouble booting from a large USB hard drive

2010-01-18 Thread Colin Watson
On Sun, Jan 17, 2010 at 08:54:42PM -0500, Daniel Richard G. wrote: > Colin Watson wrote: > > There are many different possible BIOS limitations (see > > http://tldp.org/HOWTO/Large-Disk-HOWTO-4.html) and I doubt that we > > can sensibly warn about all of them or even necessarily evaluate > > accura

RE: Trouble booting from a large USB hard drive

2010-01-17 Thread Daniel Richard G.
Grégoire Sutre wrote: > > > Knowing that Windows would only mount the > > first partition when the drive was plugged in > > Does this only apply to external hard drives? Windows treats removable and fixed drives (as distinguished by what is called the "removable media bit") differently, the diffe

RE: Trouble booting from a large USB hard drive

2010-01-17 Thread Daniel Richard G.
Colin Watson wrote: > > Unfortunately, I rather suspect that the very problem > being addressed > there means that we won't be able to implement your > idea automatically. > Artificially renumbering the partitions of an existing > operating system > while installing Ubuntu would be likely to break

Re: Trouble booting from a large USB hard drive

2010-01-17 Thread Grégoire Sutre
Daniel Richard G. wrote: Knowing that Windows would only mount the first partition when the drive was plugged in Does this only apply to external hard drives? I've always put Linux as my first partition on my single hard drive without any problem (now it's with XP, but AFAIR also with 98SE

Re: Trouble booting from a large USB hard drive

2010-01-17 Thread Isaac Dupree
Colin Watson wrote: Unfortunately, I rather suspect that the very problem being addressed there means that we won't be able to implement your idea automatically. Me too, but for this reason: putting /boot near the beginning will be normal partitioner stuff, but this person's reason for caring

Re: Trouble booting from a large USB hard drive

2010-01-17 Thread Colin Watson
On Sun, Jan 17, 2010 at 03:45:06PM -0500, Daniel Richard G. wrote: > Isaac Dupree wrote: > > I accidentally have an out-of-order partition table and I was > > surprised that such a thing is possible (vs. that everything gets > > automatically numbered in order). Nevertheless, it is a useful > > fe

RE: Trouble booting from a large USB hard drive

2010-01-17 Thread Daniel Richard G.
[Replying with Outlook, please forgive the atrocious formatting] Isaac Dupree wrote: > > I accidentally have an out-of-order partition table > and I was surprised > that such a thing is possible (vs. that everything > gets automatically > numbered in order). Nevertheless, it is a useful > feature

Re: Trouble booting from a large USB hard drive

2010-01-17 Thread Isaac Dupree
Daniel Richard G. wrote: What all but confirmed it for me was an ingenious solution I saw posted somewhere: an out-of-order partition table. Put the Linux partitions first on I accidentally have an out-of-order partition table and I was surprised that such a thing is possible (vs. that everyt

Trouble booting from a large USB hard drive

2010-01-17 Thread Daniel Richard G.
I recently installed Ubuntu Linux to a 500GB external hard drive, with GRUB2, and at first could not boot the system due to a GRUB "unknown filesystem" error. Resolving this problem led to some interesting revelations that I wanted to share here. Initially, the hard drive in question was partit