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Problems with vnd on an external USB-hdd
I tried mounting a disk image that resided on an external USB-hdd
the other day. This is what happened:
# mount -t ffs /dev/vnd0a /mnt
mount_ffs: /dev/vnd0a on /mnt: incorrect super block
I also saw that when running vnconfig the kernel spits out:
vnd0: dos partition I/O error
When checking the disklabel I get this: http://pastebin.com/ZYnHC3Ap
Which is weird since the disk image is miniroot.fs for hpcarm.
Copying the file to the normal internal HDD makes it work.
Even curiouser is that copying the image to a USB flash drive makes
it work also... It worked for the people on #netbsd@freenode that
tried it, but all of them tried it on flash drives too.
scsibus2 at umass2: 2 targets, 1 lun per target
sd2 at scsibus2 target 0 lun 0: <SanDisk, Cruzer, 8.01> disk removable
sd2: 3829 MB, 61280 cyl, 4 head, 32 sec, 512 bytes/sect x 7843839 sectors
sd0 at scsibus0 target 0 lun 0: <WD, My Book 1130, 1012> disk fixed
sd0: fabricating a geometry
sd0: 2794 GB, 357694 cyl, 64 head, 32 sec, 4096 bytes/sect x 732558336 sectors
The HDD is a 4k/sector drive, could that be it?
This is on i386 and a few days old -current (5.99.58)
This drive is over 2TB but can still use disklabels since it is a
4k/sector drive. Maybe that should be clarified in the bugs section
in the man page for disklabel(8)?
CC me for reply.
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