Re: swap on cgd: disklabel: disklabel write (sector 0) size 8192 failed: Read-only file system

[Hugo Silva <hugo%barafranca.com@localhost>]

On 04/18/11 19:39, Jean-Yves Migeon wrote:
> On 18.04.2011 20:13, Hugo Silva wrote:
>> Hello,
>>
>> Trying to setup swap on cgd on a 5.1/amd64 Xen domU (following
>> http://www.netbsd.org/docs/misc/#cgd-swap); Here's what I get:
>>
>> # cat /etc/cgd/xbd1b
>> algorithm aes-cbc;
>> iv-method encblkno1;
>> keylength 128;
>> verify_method none;
>> keygen randomkey;
>>
>> # cgdconfig cgd0 /dev/xbd1b /etc/cgd/xbd1b
>> # disklabel -eI cgd0
>> (change 4.2BSD to swap)
>> disklabel: disklabel write (sector 0) size 8192 failed: Read-only file
>> system
>>
>> in dmesg:
>> cgd0: error 30 ("read-only filesystem")
>>
>> What's even stranger is that I can newfs cgd0a..
>>
>> Thoughts?
> 
> Probably EROFS when trying to write to the sector that contains the
> disklabel?
> 
> What happens when you use "disklabel -W" ?
> 



# disklabel -W cgd0
# disklabel -e cgd0
/tmp//EdDk.a04828a: 23 lines, 546 characters.
disklabel: ioctl DIOCWDINFO: Read-only file system
re-edit the label? [y]: n

Regards,

Hugo