On Sat, 9 Jun 2001, Ivan Rayner wrote:
> On Fri, 8 Jun 2001, Russel Ingram wrote:
>
> > On Sat, 9 Jun 2001, Ivan Rayner wrote:
> >
> > > On Sat, 9 Jun 2001, Russel Ingram wrote:
> > >
> > > > I'm using xfsdump from cvs (I think it is from 5/30/01 but might be
> > > > 6/5/01) to attempt to backup an xfs filesystem to an HP Colorado 8GBe
> > > > parallel tape drive. Every time I try to use the -m option (the
> > > > parallel tape driver is a very minimal tape device driver and suggests
> > > > specifying 16k as the block size) xfsdump core dumps with the following
> > > > error:
> > > >
> > > > drive_minrmt.c:1820: do_get_write_buf: Assertion 'contextp->dc_nextp <
> > > > contextp->dc_recendp' failed.
> > > >
> > > > Is this a bug or just an incompatiblity with the minimalness of the pt
> > > > driver?
> > >
> > > If you can mail the complete xfsdump command line, I'll see if I can
> > > reproduce the problem here.
> > >
> > okie dokie, here's what I was giving it:
> >
> > xfsdump -m -b 16 -o -l0 -E -F -M"gumby" -L"home" -s home -f /dev/pt/0 /
> >
> > Like I said its a parallel tape drive that I haven't got anything else to
> > work with either (tar works but not to the expected capacity) so it may
> > just be a problem in the device driver but since it core dumps without
> > even trying to dump I thought someone might be interested in if it turned
> > out to be a bug with xfsdump.
>
> The argument to -b should be bytes, so 16k would be 16384 not 16.
>
> If this doesn't fix your problem, could you use -v5 to get verbose output.
> (This might produce alot of output, so you should redirect it to a file.)
>
> Ivan
>
Ok, I ran it again with the right sysntax on the -b option. Here's the
command I gave it:
xfsdump -v5 -m -b 32k -o -F -E -l0 -M"gumby" -L"tmp" -f /dev/tape -s tmp /
It still core dumped with the same message as before. The verbose output
it gave me is attached. It's pretty huge and is mostly just messages
about pruning inodes out of the dump due to not dumping the entire
filesystem. I bziped it.
--
Russ Ingram
Gargoyle Computer Consulting
(307)742-1361
www.gargoylecc.com
xfsdump.out.bz2
Description: BZip2 compressed data
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