[linux-lvm] strange logical volume issue

[linux-lvm] strange logical volume issue

[messmate]

Hi list,
there is somewhat strange with a lv of mine: lv_usr-local.
Marked as /dev/mapper/vg1_hda1-lv_usr--local    and
as /dev/vg1_hda/lv_usr-local  !

See the (-) differences.

I've tryed to change this without success.
Manually, with lvremove and lvcreate.....

Is there a special way to do this changes ?
Thanks for your help in advance.
mess-mate

[linux-lvm] strange logical volume issue

[messmate]

Hi list,
there is somewhat strange with a lv of mine: lv_usr-local.
Marked as /dev/mapper/vg1_hda1-lv_usr--local    and
as /dev/vg1_hda/lv_usr-local  !

See the (-) differences.

I've tryed to change this without success.
Manually, with lvremove and lvcreate.....

Is there a special way to do this changes ?
Thanks for your help in advance.
mess-mate

Forgot to say :
LVM version:     2.00.32 (2004-12-22)
  Library version: 1.00.19-ioctl (2004-07-03)
  Driver version:  4.1.0

Re: [linux-lvm] strange logical volume issue

[Alasdair G Kergon]

On Mon, Jan 10, 2005 at 11:42:40PM +0100, messmate wrote:
> there is somewhat strange with a lv of mine: lv_usr-local.
> Marked as /dev/mapper/vg1_hda1-lv_usr--local    and
> as /dev/vg1_hda/lv_usr-local  !
 
> See the (-) differences.

A hyphen in the name in /dev/mapper separates the volume
group name from the logical volume name.

If you put hyphens in either of those names they
get quoted by doubling them up.

Alasdair
-- 
agk@redhat.com

Re: [linux-lvm] strange logical volume issue

[Andrew Hilborne]

--On 11 January 2005 14:24 +0000 "Alasdair G Kergon agk@redhat.com" wrote:
>
> On Mon, Jan 10, 2005 at 11:42:40PM +0100, messmate wrote:
>> there is somewhat strange with a lv of mine: lv_usr-local.
>> Marked as /dev/mapper/vg1_hda1-lv_usr--local    and
>> as /dev/vg1_hda/lv_usr-local  !
>>
>> See the (-) differences.
>
> A hyphen in the name in /dev/mapper separates the volume
> group name from the logical volume name.
>
> If you put hyphens in either of those names they
> get quoted by doubling them up.

Yes indeed. Sadly (I now feel) I created my VG with the name "VG-1" and now 
I see exactly this "problem."

So far as I can see, I have a VG with this naming issue, some LVs with 
*names" which reflect the same problem, and some entries in /etc/fstab (I'm 
running Debian on this machine, FWIW) which contain associated /dev/mapper 
names.

Now that someone has brought this up, can someone possibly tell me a safe 
way to go about renaming things? I was thinking of something like "VG1" :)

--
Andrew Hilborne

Re: [linux-lvm] strange logical volume issue

[messmate]

On Tue, 11 Jan 2005 14:24:11 +0000
Alasdair G Kergon <agk@redhat.com> wrote:

>On Mon, Jan 10, 2005 at 11:42:40PM +0100, messmate wrote:
>> there is somewhat strange with a lv of mine: lv_usr-local.
>> Marked as /dev/mapper/vg1_hda1-lv_usr--local    and
>> as /dev/vg1_hda/lv_usr-local  !
> 
>> See the (-) differences.
>
>A hyphen in the name in /dev/mapper separates the volume
>group name from the logical volume name.
>
That's right. Between the group-name and the logical volume-name, 
do it ?

>If you put hyphens in either of those names they
>get quoted by doubling them up.
>
Also in the logical volume-name ??
The lv-name = lv_usr-local !
It becomes lv_usr--local ??
mess-mate

Re: [linux-lvm] strange logical volume issue

[messmate]

On Tue, 11 Jan 2005 16:25:23 +0000
"Andrew Hilborne" <cseoqs002@sneakemail.com> wrote:

>--On 11 January 2005 14:24 +0000 "Alasdair G Kergon agk@redhat.com"
>wrote:>
>> On Mon, Jan 10, 2005 at 11:42:40PM +0100, messmate wrote:
>>> there is somewhat strange with a lv of mine: lv_usr-local.
>>> Marked as /dev/mapper/vg1_hda1-lv_usr--local    and
>>> as /dev/vg1_hda/lv_usr-local  !
>>>
>>> See the (-) differences.
>>
>> A hyphen in the name in /dev/mapper separates the volume
>> group name from the logical volume name.
>>
>> If you put hyphens in either of those names they
>> get quoted by doubling them up.
>
>Yes indeed. Sadly (I now feel) I created my VG with the name "VG-1" and
>now I see exactly this "problem."
>
>So far as I can see, I have a VG with this naming issue, some LVs with 
>*names" which reflect the same problem, and some entries in /etc/fstab
>(I'm running Debian on this machine, FWIW) which contain associated
>/dev/mapper names.
>
>Now that someone has brought this up, can someone possibly tell me a
>safe way to go about renaming things? I was thinking of something like
>"VG1" :)
>
>--
>Andrew Hilborne
>
I've named my vg's as vg1_hda , stands for:
vg1 =first vg
_hda = first hd.
The underscore seem safe.
mess-mate