On 05/18/2012 01:03 AM, sf...@users.sourceforge.net wrote:
> Ben Greear:
>> The second command fails, saying / is busy.
>>     lsof of / shows lots of files.  lsof of /cow shows none.
>
> You should investigate the printed file list, and find the file which
> prevents /cow turning RO.
> Generally, the shutdown script kills most of all processes, and then
> unmount all filelsystems (except the root). The root dir is remounted as
> RO. The "remount,mod:/cow=ro" is logically equivalent to "remount,ro".
>
>
>> All the rest of the command succeed, however, and it appears /cow is
>> properly mounted (ro) and cleaned up.
>
> Failing to "remount,mod:/cow=ro" means that the file on /cow is opened
> as RW, and "remount,ro /cow" should also fail.
> On your system, there might exists a short-lived process which accesses
> / (and /cow) as RW. You should find the process.

I've got to go deal with some other things for a while, but when I update
the live-cd again, I'll do some more testing with this and try to figure out
what is opened (rw).

Thanks,
Ben

>
>
> J. R. Okajima


-- 
Ben Greear <gree...@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com


------------------------------------------------------------------------------
Live Security Virtual Conference
Exclusive live event will cover all the ways today's security and 
threat landscape has changed and how IT managers can respond. Discussions 
will include endpoint security, mobile security and the latest in malware 
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/

Reply via email to