On Fri, 1 Nov 2013, Adrian Chadd wrote:
Hi!
I have an odd problem. That, honestly, can't be that odd.
I have a bunch of SATA disks that when plugged into the laptop
directly, show up as 512 byte sectors. But if I plug it in via this
iomega USB caddy, they show up as 4k sector devices.
ISTR some Hitachi external USB disk enclosures do that. Since they are
not a general-purpose enclosure but came wrapped around specific Hitachi
disks, it's not really their fault.
Because of this, partitions just plainly don't work.
Has anyone faced this? Is there some trick to do to get these things
to go back to being 512 byte sector devices so one can use them?
Similarly, because they show up as 512 byte sector devices on
macosx/linux, they can read/write NTFS/MSDOS partitions on the thing.
But if I plug it into freebsd, it shows up as a 4k sector device and
things plainly don't work.
Is it out of the question to discard the enclosure as too bugged to use?
Otherwise, there is a small chance that the vendor has a firmware update
that isn't stupid. Or maybe even a jumper in the enclosure.
Reference:
http://forum.hddguru.com/viewtopic.php?t=21099&start= has some
information which might help.
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