usb memory sticj recovery

James B. Byrne byrnejb at
Wed Feb 28 16:19:20 UTC 2018

I have a usb memory stick whose filesystem FreeBSD will not mount
because it is 'dirty'.  It is dirty because it was removed from the
FreeBSD host it was connected to.  I would would like to recovery this
device if possible but my attempts to do so using fsck and fsck_ffs
never start because it cannot find a SUPERBLOCK.

newfs -N gives a list of alternate sb location but fsck_ffs will not
acept them.

Is there any way to manually turn ff the dirt bit and mount the device?

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James B. Byrne                mailto:ByrneJB at
Harte & Lyne Limited
9 Brockley Drive              vox: +1 905 561 1241
Hamilton, Ontario             fax: +1 905 561 0757
Canada  L8E 3C3

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