Re: dump/mksnap_ffs & fsck failure

On Thu, Oct 07, 2004 at 12:08:03PM +0100, Chris Elsworth wrote:
> Hello all,
> 
> Is this likely to be filesystem corruption in a really bad way, or a
> ufs bug:
> 
> # /sbin/dump -0 -LuaC32 -f /backup/root.dump /
> mksnap_ffs: Cannot create //.snap/dump_snapshot: Input/output error
> 
> # fsck_ufs /dev/mirror/gma
> ** /dev/mirror/gma (NO WRITE)
> ** Last Mounted on /
> ** Root file system
> ** Phase 1 - Check Blocks and Sizes
> fsck_ufs: cannot alloc 4294967292 bytes for inoinfo

Why can't it write to the device?  Is it mounted read-write?  Drop it
to read-only and retry.  Vice versa for the root filesystem; is it
mounted read-only?

Kris