Re: [gentoo-user] UFS write support

[Mick]

On Sunday 18 Dec 2016 19:39:36 Alarig Le Lay wrote:
> On Sun Dec 18 19:35:43 2016, Alarig Le Lay wrote:
> > On Sun Dec 18 18:23:22 2016, Mick wrote:
> > > Another thing to try is unmount it, run fsck and then remount it as rw.
> > > A
> > > dirty unmount can cause this problem.
> >
> > It was dirty unmounted. This a flash card that is a / for a router at
> > home. Its power supply suddenly stopped to work today.
> > I will try this, thanks :)
>
> Well done, an fsck fixed the problem :)
>
> airmure # umount /dev/sdg2
> airmure # fsck.ufs /dev/sdg2
> ** /dev/sdg2
> ** Last Mounted on /
> ** Phase 1 - Check Blocks and Sizes
> ** Phase 2 - Check Pathnames
> ** Phase 3 - Check Connectivity
> ** Phase 4 - Check Reference Counts
> ** Phase 5 - Check Cyl groups
> FREE BLK COUNT(S) WRONG IN SUPERBLK
> SALVAGE? [yn] y
> SALVAGE? [yn] y
>
> SUMMARY INFORMATION BAD
> SALVAGE? [yn] y
>
> BLK(S) MISSING IN BIT MAPS
> SALVAGE? [yn] y
>
> 17039 files, 176220 used, 1617195 free (371 frags, 202103 blocks, 0.0%
> fragmentation)
>
> ***** FILE SYSTEM MARKED CLEAN *****
>
> ***** FILE SYSTEM WAS MODIFIED *****
> airmure # mount -t ufs -o ufstype=ufs2,rw /dev/sdg2 /mnt/drscott
> airmure # mount | grep drscott
> /dev/sdg2 on /mnt/drscott type ufs
> (rw,relatime,ufstype=ufs2,onerror=lock)


Glad you sorted this out.  I've been bitten by this problem once or twice.  It 
is a right pain when you are running an OS upgrade and haven't checked first if 
your fs is *still* mounted as rw.  The solution is to get a UPS for this 
device.  Hmm ... one more thing to go on Santa's list.  ;-)

-- 
Regards,
Mick