Date: Wed, 28 Feb 2018 18:54:19 +0000 From: tech-lists <tech-lists@zyxst.net> To: freebsd-questions@freebsd.org Subject: Re: usb memory sticj recovery Message-ID: <d21d56a6-64a4-1798-4fdc-4e1954d3057b@zyxst.net> In-Reply-To: <470b77caf7d85febfa79244b761af019.squirrel@webmail.harte-lyne.ca> References: <470b77caf7d85febfa79244b761af019.squirrel@webmail.harte-lyne.ca>
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On 28/02/2018 16:19, James B. Byrne via freebsd-questions wrote: > 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? > > man 8 mount: [...] -f Forces the revocation of write access when trying to downgrade a file system mount status from read-write to read-only. Also forces the R/W mount of an unclean file system (dangerous; use with caution). [...] alternatively dd the device to an image and mount the image at /mnt using mdconfig -- J.
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