Re: [linux-lvm] Bug: LVM2 create long name device failed but we can see it by run lvs

[xufeng zhang <xufeng zhang windriver com>]

On 11/12/2010 06:06 PM, Alasdair G Kergon wrote:
> On Fri, Nov 12, 2010 at 05:38:32PM +0800, xufeng zhang wrote:
>    
> > This is the bug description:
> > When we create a logic volume with long names(such as 125), LVM2 will
> > return "Name too long" error
> > and create volume failed. However, you will see it exist in volume group
> > if you run lvs command.
> > The reason is that when LVM2 create a empty device in lv_create_empty()
> > function, it didn't check the
> > length of device names, but the empty device activate failed afterward
> > because of too long name(vgname+lvname>128).
> >      
> Thanks for reporting that.
>
> Presumably 'vgrename' needs a similar restriction.
>    
Maybe I have made a mistake, I can't reproduce this bug in LVM2.2.02.76 now.

Thanks,
Xufeng Zhang
> Alasdair
>
>
>