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

Alasdair G Kergon agk at redhat.com
Fri Nov 12 10:06:04 UTC 2010

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.


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