[Ubuntu-users] fsck shows errors on main partition only when mounted

[Mark]

On Tue, Nov 16, 2010 at 7:51 AM, Colin Law <clanlaw at googlemail.com> wrote:
> On 16 November 2010 15:10, K. Frank <kfrank29.c at gmail.com> wrote:
>> Hello All -
>>
>> I have just installed ubuntu on a former windows machine whose
>> os had become corrupted, and fsck reports disk errors.
>>
>> Should I care, and how can I fix this?
>>
> I don't think it is valid to run fsck on a mounted drive.
>
When a drive is mounted, the data on it changes frequently, especially
if it's the system drive.  You're asking for trouble if you do this.

However, what are you attempting to do using the -n option?  That won't help.