LVM of VolGroup00 with LogVol00

[Patrick Nelson]

Paul Howarth wrote:
> Patrick Nelson wrote:
>> FC4 Up to date
>>
>> I went to do an Upgrade to FC5 and I don't have enough room on my 
>> system (which is a VMware Instance).  So I thought well lets just 
>> extend the Logical Volume.  The only problem is that LogVol00 is 
>> mounted to /.  My head is sore from trying to find a way to run 
>> resize2fs on this LV when it is mounted on /.  Is this even 
>> possible?  I guess I could create a new LV in VolGroup00 and mount it 
>> to /var, but I started down this road and I'm kinda hoping I can 
>> figure it out.
>>
>> So far I've done:
>>
>> pvcreate /dev/sdb
>> vgextend VolGroup00 /dev/sdb
>> lvextend -l 267 /dev/VolGroup00/LogVol00 /dev/sdb
>> all worked fine, but of course:
>> resize2fs /dev/VolGroup00/LogVol00     -  doesn't work because its 
>> mounted.
>>
>> Any suggestions would be great.  I am working out the /var to a LV 
>> thing but...
>
> You can try this:
>
> # ext2online /
>
> However, with a size change as big as that it probably won't be able 
> to help you. You'll need to boot from the rescue/install CD to resize 
> the filesystem using resize2fs.
>
> Paul.
>
Well I'm up for that (rescue), but how?  I did try that and I couldn't 
figure out how to call the /dev/VolGroup00/LogVol00 with resize2fs.