LVM2 and resizing

[Austin Godber]

Aha, thanks.  A kernel patch ... thats probably why I avoided it in  
the past ... probably back before it was common.

Austin


On Apr 15, 2008, at 11:00 AM, Mike Bydalek wrote:
> Yep.  Look at http://www.tldp.org/HOWTO/LVM-HOWTO/extendlv.html
>
> The caveat is that you need to have patched your kernel with the  
> ext2online patch, which I believe is fairly common nowadays.   
> Earlier wasn't the case, which was one reason why on some of my old  
> machines (I'm talking 4+ years) they're using reiserfs.
>
> -Mike
>
> Austin Godber wrote:
>>
>> Wait, you have been able to resize mounted ext3 partitions?  I didn't
>> think that was possible?
>>
>> Austin
>>
>> On Apr 15, 2008, at 10:53 AM, Mike Bydalek wrote:
>>
>>> I'll say that I've been resizing production machines for a few years
>>> now
>>> without any issues.  This includes ext3 and reiserfs.  One of the
>>> partitions I am frequently resizing contains our Scalix mail store.
>>> So
>>> far, I haven't had any issues with locking, db's, etc.
>>>
>>> -Mike
>>>
>>> der.hans wrote:
>>>
>>>> moin moin,
>>>>
>>>> is it generally safe to resize, move, etc. an LVM partition without
>>>> unmounting the partitions on top of it?
>>>>
>>>> How about resizing ext3 on the fly as well?
>>>>
>>>> reiserfs? Other Free FSen?
>>>>
>>>> It worked fine for me yesterday in a VM, but I wasn't really doing
>>>> anything in the VM, except playing with the LVM setup.
>>>>
>>>> That situation doesn't really tell he what would happen on a real
>>>> FS where
>>>> people and processes have lock files and are reading and writing
>>>> files or
>>>> what a database thinks about having it's filesystem mucked with.
>>>>
>>>> ciao,
>>>>
>>>> der.hans
>>>>
>>>>
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