From j.astrego at netbulae.eu Mon Sep 8 05:40:24 2014 Content-Type: multipart/mixed; boundary="===============1985428629757584397==" MIME-Version: 1.0 From: Jorick Astrego To: users at ovirt.org Subject: [ovirt-users] multipath: error getting device Date: Mon, 08 Sep 2014 11:40:20 +0200 Message-ID: <540D7984.5090204@netbulae.eu> --===============1985428629757584397== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable This is a multi-part message in MIME format. --------------040308090200020008010208 Content-Type: text/plain; charset=3DISO-8859-1; format=3Dflowed Content-Transfer-Encoding: 7bit Hi, I'm seeing a continuous stream of multipath errors on my Centos 7 hosts = with ovirt 3.5 rc1.1. Can't find a bug for it except = https://bugzilla.redhat.com/show_bug.cgi?id=3D675366 Sep 8 11:34:13 host1 kernel: device-mapper: table: 253:3: multipath: error getting device Sep 8 11:34:13 host1 kernel: device-mapper: ioctl: error adding target to table Sep 8 11:34:13 host1 multipathd: dm-3: remove map (uevent) Sep 8 11:34:13 host1 multipathd: dm-3: remove map (uevent) Sep 8 11:34:23 host1 kernel: device-mapper: table: 253:3: multipath: error getting device Sep 8 11:34:23 host1 kernel: device-mapper: ioctl: error adding target to table Sep 8 11:34:23 host1 multipathd: dm-3: remove map (uevent) Sep 8 11:34:23 host1 multipathd: dm-3: remove map (uevent) Sep 8 11:34:33 host1 kernel: device-mapper: table: 253:3: multipath: error getting device Sep 8 11:34:33 host1 kernel: device-mapper: ioctl: error adding target to table We don't use multipath, but it's a bit annoying as it's filling up the = console and logs..... Kind regards, Jorick Astrego Netbulae B.V. --------------040308090200020008010208 Content-Type: text/html; charset=3DISO-8859-1 Content-Transfer-Encoding: 7bit Hi,

I'm seeing a continuous stream of multipath errors on my Centos 7 hosts with ovirt 3.5 rc1.1.

Can't find a bug for it except https://bugzilla.redhat.com/show_bug.cgi?id=3D675= 366

Sep 8 11:34:13 host1 kernel: device-mapper: table: 253:3: multipath: error getting device
Sep 8 11:34:13 host1 kernel: device-mapper: ioctl: error adding target to table
Sep 8 11:34:13 host1 multipathd: dm-3: remove map (uevent)
Sep 8 11:34:13 host1 multipathd: dm-3: remove map (uevent)
Sep 8 11:34:23 host1 kernel: device-mapper: table: 253:3: multipath: error getting device
Sep 8 11:34:23 host1 kernel: device-mapper: ioctl: error adding target to table
Sep 8 11:34:23 host1 multipathd: dm-3: remove map (uevent)
Sep 8 11:34:23 host1 multipathd: dm-3: remove map (uevent)
Sep 8 11:34:33 host1 kernel: device-mapper: table: 253:3: multipath: error getting device
Sep 8 11:34:33 host1 kernel: device-mapper: ioctl: error adding target to table

We don't use multipath, but it's a bit annoying as it's filling up the console and logs.....

Kind regards,

Jorick Astrego
Netbulae B.V.
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boundary="===============7091290010263571629==" MIME-Version: 1.0 From: Daniel Erez To: users at ovirt.org Subject: Re: [ovirt-users] multipath: error getting device Date: Sun, 14 Sep 2014 02:39:48 -0400 Message-ID: <2026881129.3418087.1410676788616.JavaMail.zimbra@redhat.com> In-Reply-To: 540D7984.5090204@netbulae.eu --===============7091290010263571629== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hi Jorick, This error is most often caused by multipath attempting to map a device whi= ch is already in use, such as if its mounted or mapped by an active LVM logica= l volume. = If the blacklist in /etc/multipath.conf does not restrict multipath from ma= pping the device, then when it gets run during boot it will attempt to map it. Because the device is in use, this mapping will fail. Have you tried the blacklisting procedure mentioned at comment 3 in the bug? https://bugzilla.redhat.com/show_bug.cgi?id=3D675366#c3 ----- Original Message ----- > From: "Jorick Astrego" > To: users(a)ovirt.org > Sent: Monday, September 8, 2014 12:40:20 PM > Subject: [ovirt-users] multipath: error getting device > = > Hi, > = > I'm seeing a continuous stream of multipath errors on my Centos 7 hosts w= ith > ovirt 3.5 rc1.1. > = > Can't find a bug for it except > https://bugzilla.redhat.com/show_bug.cgi?id=3D675366 > = > = > = > Sep 8 11:34:13 host1 kernel: device-mapper: table: 253:3: multipath: error > getting device > Sep 8 11:34:13 host1 kernel: device-mapper: ioctl: error adding target to > table > Sep 8 11:34:13 host1 multipathd: dm-3: remove map (uevent) > Sep 8 11:34:13 host1 multipathd: dm-3: remove map (uevent) > Sep 8 11:34:23 host1 kernel: device-mapper: table: 253:3: multipath: error > getting device > Sep 8 11:34:23 host1 kernel: device-mapper: ioctl: error adding target to > table > Sep 8 11:34:23 host1 multipathd: dm-3: remove map (uevent) > Sep 8 11:34:23 host1 multipathd: dm-3: remove map (uevent) > Sep 8 11:34:33 host1 kernel: device-mapper: table: 253:3: multipath: error > getting device > Sep 8 11:34:33 host1 kernel: device-mapper: ioctl: error adding target to > table > We don't use multipath, but it's a bit annoying as it's filling up the > console and logs..... > = > Kind regards, > = > Jorick Astrego > Netbulae B.V. > = > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users >=20 --===============7091290010263571629==-- From jvdwege at xs4all.nl Sun Sep 14 08:00:56 2014 Content-Type: multipart/mixed; boundary="===============1426413789502074128==" MIME-Version: 1.0 From: Joop To: users at ovirt.org Subject: Re: [ovirt-users] multipath: error getting device Date: Sun, 14 Sep 2014 14:00:52 +0200 Message-ID: <54158374.4090408@xs4all.nl> In-Reply-To: 2026881129.3418087.1410676788616.JavaMail.zimbra@redhat.com --===============1426413789502074128== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On 14-9-2014 8:39, Daniel Erez wrote: > Hi Jorick, > > This error is most often caused by multipath attempting to map a device w= hich > is already in use, such as if its mounted or mapped by an active LVM logi= cal volume. = > If the blacklist in /etc/multipath.conf does not restrict multipath from = mapping > the device, then when it gets run during boot it will attempt to map it. > Because the device is in use, this mapping will fail. > > What I tend to do these days is that if I don't have multipath or might start using multipath somewhere in the future is to blacklist all devices and then whitelist the real multipath devices when needed. amend /etc/multipath.conf with this: blacklist { wwid "*" } Joop --===============1426413789502074128==--