All of lore.kernel.org
 help / color / mirror / Atom feed
From: David Teigland <teigland@redhat.com>
To: Zhiyong Ye <yezhiyong@bytedance.com>
Cc: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] How to convert a single path to a multipath after using dm-multipath
Date: Tue, 11 Apr 2023 08:31:48 -0500	[thread overview]
Message-ID: <20230411133147.GB27598@redhat.com> (raw)
In-Reply-To: <ac0f39c8-932d-293a-b7aa-568532bda22a@bytedance.com>

On Tue, Apr 11, 2023 at 01:29:42PM +0800, Zhiyong Ye wrote:
> and lv on it. I then turn on the multipath function and merge the two paths
> into a new device (/dev/mapper/matha), and I get the following error when I
> execute the lvm command.
> 
> # pvs
> WARNING: Not using device /dev/mapper/matha for PV
> HgL3xR-qTio-m75Q-nGAO-Un0U-8uHk-wHbH25.
> WARNING: PV HgL3xR-qTio-m75Q-nGAO-Un0U-8uHk-wHbH25 prefers device /dev/sda
> because device is used by LV.
> PV           VG                      Fmt  Attr PSize  PFree
> /dev/sda     is-he57e6mr4wemb19kgf8i lvm2 a--  10.00t 9.98t

> May you please advise how one can convert the pv used by vg from sda to
> matha without affecting the current lv usage.

lvchange --refresh should refresh the active LV to use mpatha.  To avoid
this, you might configure mpath on sda alone prior to adding the second
path.

Dave
_______________________________________________
linux-lvm mailing list
linux-lvm@redhat.com
https://listman.redhat.com/mailman/listinfo/linux-lvm
read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/


  reply	other threads:[~2023-04-11 13:33 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-11  5:29 [linux-lvm] How to convert a single path to a multipath after using dm-multipath Zhiyong Ye
2023-04-11 13:31 ` David Teigland [this message]
2023-04-12  9:16   ` Zhiyong Ye
2023-04-13 10:54     ` Giorgio Bersano
2023-04-14  3:48       ` Zhiyong Ye
2023-04-13 20:28     ` David Teigland
2023-04-14  3:55       ` Zhiyong Ye

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20230411133147.GB27598@redhat.com \
    --to=teigland@redhat.com \
    --cc=linux-lvm@redhat.com \
    --cc=yezhiyong@bytedance.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.