[linux-lvm] Some questions on "Mirrors cannot be resized while active yet"

Jonathan Brassow jbrassow at redhat.com
Mon Aug 13 15:29:21 UTC 2007

I don't remember all the reasons, but I *think* two of them were:
1) 186304 - potential to spoil redundancy
2) cluster mirroring needed ability to hold to identical logs for a  
short period

Both of these issues have been resolved, so it may be a simple matter  
of turning it on...


On Aug 13, 2007, at 9:36 AM, Simone Gotti wrote:

> Hi all,
> lvresize gives the message "Mirrors cannot be resized while active  
> yet."
> when trying to resize an active lv.
> Simple tests using directly dmsetup let me resize a mirror on the fly
> without problems (maybe I'm missing some problematic corner cases).  
> With
> a core log everything was resynced every time while with disk log only
> the extended part was resynced.
> So, is there only missing code in lvm2 (curious to know if I should be
> able to write the missing part) or also the kernel parts (dm-raid1,
> dm-log and future dm-clog) needs some more code?
> Thanks!
> Bye!
> -- 
> Simone Gotti
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