g_vfs_done():md0[WRITE(offset=1350844416, length=16384)]error = 1

[Kostik Belousov]

On Thu, Feb 01, 2007 at 11:24:09AM +0100, Attila Nagy wrote:
> Hello,
> 
> I have a setup, where I have a /data filesystem with a "big" (20G) 
> sparse file on it. This sparse file is set up with:
> mdconfig -a -t vnode -f /data/nfsimg
> and I use /dev/md0 for storing some data, shared via NFS (I needed 
> redundant read only NFS servers, so I just sync this image to the others 
> and mount read only on them).
> 
> With the above, I get the following in the syslog:
> Feb  1 11:16:49 boot00a kernel: 
> g_vfs_done():md0[WRITE(offset=1350844416, length=16384)]error = 1
> Feb  1 11:16:49 boot00a kernel: 
> g_vfs_done():md0[WRITE(offset=1928118272, length=16384)]error = 1
> Feb  1 11:17:18 boot00a kernel: 
> g_vfs_done():md0[WRITE(offset=1350844416, length=16384)]error = 1
> Feb  1 11:17:18 boot00a kernel: 
> g_vfs_done():md0[WRITE(offset=1928118272, length=16384)]error = 1
> 
> And these two lines are alternating, with the same offsets, as you can 
> see. I use the raw device for storing the filesystem (newfs /dev/md0). 
> Currently the image is mounted read-write and there is almost no 
> activity on that.
> 
> Any ideas about this?

errno == 1 == EPERM (Operation not permitted). Check for this.
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