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IDS Forum
Re: Problem with disk ownership
Posted By: david@smooth1.co.uk
Date: Monday, 12 January 2015, at 5:00 p.m.
In Response To: Re: Problem with disk ownership (Art Kagel)
Whoever tidys this up into a FAQ article can have the credit....!!
Regards,
David.
> On 12 January 2015 at 21:11 Art Kagel <art.kagel@gmail.com> wrote:
>
>
> Thanks Ruben. Now that I have things working I can play with making things
> sane, this helps.
>
> Thanks also to Jonathan, Stephan, and Luis. Every effort helps.
>
> Art
>
> Art S. Kagel, President and Principal Consultant
> ASK Database Management
> www.askdbmgt.com
>
> Blog: http://informix-myview.blogspot.com/
>
> Disclaimer: Please keep in mind that my own opinions are my own opinions
> and do not reflect on the IIUG, nor any other organization with which I am
> associated either explicitly, implicitly, or by inference. Neither do
> those opinions reflect those of other individuals affiliated with any
> entity with which I am affiliated nor those of the entities themselves.
>
> On Mon, Jan 12, 2015 at 4:06 PM, Ruben Dutan <ruben.dutan@aplext.com.ec>
> wrote:
>
> > I use file with name "99-local.rules" with this content
> > KERNEL=="sda3", OWNER="informix", GROUP="informix", MODE="0660"
> >
> > --
> > Saludos Cordiales
> >
> > Rubén Dután
> > Gerente
> > APLEXT CIA. LTDA.
> > Soluciones AX-ERP & TIC
> > www.aplext.com.ec
> >
> > El lun, 12-01-2015 a las 15:54 -0500, Art Kagel escribió:
> > > YeeHaa! Thank you Lyubomir! That's done it! I now have, for the aid of
> > > posterity, in /etc/udev/rules.d/60-raw.rules:
> > >
> > > ACTION=="add|change", KERNEL=="dm-2", OWNER="informix", GROUP="informix",
> > > MODE="0660"
> > >
> > > Art S. Kagel, President and Principal Consultant
> > > ASK Database Management
> > > www.askdbmgt.com
> > >
> > > Blog: http://informix-myview.blogspot.com/
> > >
> > > Disclaimer: Please keep in mind that my own opinions are my own opinions
> > > and do not reflect on the IIUG, nor any other organization with which I
> > am
> > > associated either explicitly, implicitly, or by inference. Neither do
> > > those opinions reflect those of other individuals affiliated with any
> > > entity with which I am affiliated nor those of the entities themselves.
> > >
> > > On Mon, Jan 12, 2015 at 3:14 PM, Lyubomir Grigorov <lgrigorlu1@gmail.com
> > >
> > > wrote:
> > >
> > > > [root@oran1 rules.d]# cat /etc/redhat-release
> > > > Red Hat Enterprise Linux Server release 6.4 (Santiago)
> > > >
> > > > [root@oran1 rules.d]# file /dev/dm-20
> > > > /dev/dm-20: block special
> > > >
> > > > [root@oran1 rules.d]# ls -l /dev/dm-20
> > > > brw-rw---- 1 root disk 253, 20 Jan 12 22:06 /dev/dm-20
> > > >
> > > > [root@oran1 rules.d]# cat /etc/udev/rules.d/60-raw.rules|grep informix
> > > > ACTION=="add|change", KERNEL=="dm-20", OWNER="informix",
> > GROUP="informix",
> > > > MODE="0660"
> > > >
> > > > [root@oran1 rules.d]# udevadm trigger
> > > >
> > > > [root@oran1 rules.d]# ls -l /dev/dm-20
> > > > brw-rw---- 1 informix informix 253, 20 Jan 12 22:08 /dev/dm-20
> > > >
> > > > I just did this as a test and it works
> > > >
> > > > 2015-01-12 22:05 GMT+02:00 Art Kagel <art.kagel@gmail.com>:
> > > >
> > > > > OK, so I now have this:
> > > > >
> > > > > ACTION=="add|change", ENV{UDISKS_DM_TARGETS_TYPE}=="multipath",
> > > > > ENV{DM_LV_NAME}=="dm-2", GROUP="informix", OWNER="informix",
> > MODE="0660"
> > > > >
> > > > > No change. The owner is not correctly set when udevd restarts and if
> > I
> > > > > manually change it udev (or something) changes is back when informix
> > > > writes
> > > > > to the device.
> > > > >
> > > > > Art
> > > > >
> > > > > Art S. Kagel, President and Principal Consultant
> > > > > ASK Database Management
> > > > > www.askdbmgt.com
> > > > >
> > > > > Blog: http://informix-myview.blogspot.com/
> > > > >
> > > > > Disclaimer: Please keep in mind that my own opinions are my own
> > opinions
> > > > > and do not reflect on the IIUG, nor any other organization with
> > which I
> > > > am
> > > > > associated either explicitly, implicitly, or by inference. Neither do
> > > > > those opinions reflect those of other individuals affiliated with any
> > > > > entity with which I am affiliated nor those of the entities
> > themselves.
> > > > >
> > > > > On Mon, Jan 12, 2015 at 2:52 PM, Luis Panozzo <lupasa@sisa.com.bo>
> > > > wrote:
> > > > >
> > > > > > I use this:
> > > > > >
> > > > > > /etc/udev/rules.d/96-multipath.rules
> > > > > >
> > > > > > ACTION=="add|change", ENV{UDISKS_DM_TARGETS_TYPE}=="multipath",
> > > > > > ENV{DM_LV_NAME}=="lvname", GROUP="informix", OWNER="informix",
> > > > > MODE="0660"
> > > > > >
> > > > > > Change de lvname with your lv name.
> > > > > >
> > > > > > Then
> > > > > >
> > > > > > /sbin/start_udev
> > > > > >
> > > > > > You will see that the /dev/dm-? have the correct owner, group and
> > mode.
> > > > > >
> > > > > > Regards.
> > > > > >
> > > > > > Luis Panozzo Saavedra
> > > > > > Gerente Tcnico
> > > > > > luis_panozzo@sisa.com.bo
> > > > > > Soluciones Integrales S.A.
> > > > > > Calle Ignacio Cordero 8487 - Piso 2, San Miguel
> > > > > > Telfonos y Fax: +(591)(2) 2773378 / 2794538
> > > > > > La Paz - Bolivia
> > > > > >
> > > > > > De: "Art Kagel" <art.kagel@gmail.com>
> > > > > > Para: ids@iiug.org
> > > > > > Enviados: Lunes, 12 de Enero 2015 15:46:56
> > > > > > Asunto: Re: Problem with disk ownership [34456]
> > > > > >
> > > > > > No, it did not. I had to change it manually after restarting
> > udevd. I
> > > > > > suspect I'm missing something in the rules file.
> > > > > >
> > > > > > Art
> > > > > >
> > > > > > Art S. Kagel, President and Principal Consultant
> > > > > > ASK Database Management
> > > > > > www.askdbmgt.com
> > > > > >
> > > > > > Blog: http://informix-myview.blogspot.com/
> > > > > >
> > > > > > Disclaimer: Please keep in mind that my own opinions are my own
> > > > opinions
> > > > > > and do not reflect on the IIUG, nor any other organization with
> > which
> > I
> > > > > am
> > > > > > associated either explicitly, implicitly, or by inference. Neither
> > do
> > > > > > those opinions reflect those of other individuals affiliated with
> > any
> > > > > > entity with which I am affiliated nor those of the entities
> > themselves.
> > > > > >
> > > > > > On Mon, Jan 12, 2015 at 2:42 PM, Ruben Dutan <
> > > > ruben.dutan@aplext.com.ec>
> > > > > > wrote:
> > > > > >
> > > > > > > When reloaded udev.. change the owner and group of /dev/dm-2?
> > > > > > > --
> > > > > > > Saludos Cordiales
> > > > > > >
> > > > > > > Rubn Dutn
> > > > > > > Gerente
> > > > > > > APLEXT CIA. LTDA.
> > > > > > > Soluciones AX-ERP & TIC
> > > > > > > www.aplext.com.ec
> > > > > > >
> > > > > > > El lun, 12-01-2015 a las 13:35 -0500, Art Kagel escribi:
> > > > > > > > Yes, I set up the following rule file in /udev/etc/rules.d and
> > > > > reloaded
> > > > > > > the
> > > > > > > > rules:
> > > > > > > >
> > > > > > > > # cat /etc/udev/rules.d/99-informix.rules
> > > > > > > > #
> > > > > > > > # Privilege rules for Informix chunk devices
> > > > > > > > #
> > > > > > > > # Author: Art S. Kagel
> > > > > > > > #
> > > > > > > > KERNEL=="dm-2", DEVPATH=="/dev/dm-2", SUBSYSTEM=="disk",
> > > > > > > OWNER="informix",
> > > > > > > > GROUP="informix", MODE="0660"
> > > > > > > >
> > > > > > > > I'm no SysAdmin, so this may be missing something.
> > > > > > > >
> > > > > > > > Art
> > > > > > > >
> > > > > > > > Art S. Kagel, President and Principal Consultant
> > > > > > > > ASK Database Management
> > > > > > > > www.askdbmgt.com
> > > > > > > >
> > > > > > > > Blog: http://informix-myview.blogspot.com/
> > > > > > > >
> > > > > > > > Disclaimer: Please keep in mind that my own opinions are my own
> > > > > > opinions
> > > > > > > > and do not reflect on the IIUG, nor any other organization with
> > > > > which I
> > > > > > > am
> > > > > > > > associated either explicitly, implicitly, or by inference.
> > Neither
> > > > do
> > > > > > > > those opinions reflect those of other individuals affiliated
> > with
> > > > any
> > > > > > > > entity with which I am affiliated nor those of the entities
> > > > > themselves.
> > > > > > > >
> > > > > > > > On Mon, Jan 12, 2015 at 1:02 PM, Stefan Sammut <
> > > > > > stefan.sammut@ptl.com.mt
> > > > > > > >
> > > > > > > > wrote:
> > > > > > > >
> > > > > > > > > I feel embarrassed to reply to you Art :-)
> > > > > > > > > Maybe this helps.
> > > > > > > > > Is the owner and group set to "Informix" in rules.d?
> > > > > > > > > You may reload using.
> > > > > > > > > /sbin/udevcontrol reload_rules
> > > > > > > > > /sbin/start_udev
> > > > > > > > > Also
> > > > > > > > > " As of the Red Hat Enterprise Linux 6.0 release, the mode,
> > uid,
> > > > > and
> > > > > > > gid
> > > > > > > > > parameters have been deprecated. Permissions for
> > device-mapper
> > > > > > devices
> > > > > > > > > (including mulitpath mappings) are set by means of udev
> > rules.
> > > > > There
> > > > > > > is a
> > > > > > > > > template file in /usr/share/doc/device-mapper-version called
> > > > > > > > > 12-dm-permissions.rules which you can use and place in the
> > > > > > > > > /etc/udev/rules.d
> > > > > > > > > directory for it to take effect"
> > > > > > > > >
> > > > > > > > > -----Original Message-----
> > > > > > > > > From: ids-bounces@iiug.org [mailto:ids-bounces@iiug.org] On
> > > > Behalf
> > > > > > Of
> > > > > > > Art
> > > > > > > > > Kagel
> > > > > > > > > Sent: 12 January 2015 18:49
> > > > > > > > > To: ids@iiug.org
> > > > > > > > > Subject: Problem with disk ownership [34447]
> > > > > > > > >
> > > > > > > > > Folks:
> > > > > > > > >
> > > > > > > > > This is a new one on me. I have a client running RHEL6 and
> > using
> > > > a
> > > > > > "dm"
> > > > > > > > > disk device for Informix chunks. When I set the ownership of
> > the
> > > > > > > device to
> > > > > > > > > informix:informix it's fine until oninit -ivy (or any user
> > > > informix
> > > > > > > owned
> > > > > > > > > process like dd of=<device-path>) tries to write to it. Then
> > the
> > > > > > > ownership
> > > > > > > > > changes back to root:disk. I have tried setting up a udev
> > rule
> > > > file
> > > > > > for
> > > > > > > the
> > > > > > > > > device in /etc/udev/rules.d and it seems to initially set the
> > > > > > > ownership to
> > > > > > > > > informix:informix for me like I want it to, but still running
> > > > > oninit
> > > > > > > -ivy
> > > > > > > > > causes the ownership to change back to root:disk and oninit
> > > > fails.
> > > > > > > > >
> > > > > > > > > Has anyone run into this and figured out how to get around
> > the
> > > > > > problem?
> > > > > > > > >
> > > > > > > > > Art
> > > > > > > > >
> > > > > > > > > Art S. Kagel, President and Principal Consultant ASK Database
> > > > > > > Management
> > > > > > > > > www.askdbmgt.com
> > > > > > > > >
> > > > > > > > > Blog: http://informix-myview.blogspot.com/
> > > > > > > > >
> > > > > > > > > Disclaimer: Please keep in mind that my own opinions are my
> > own
> > > > > > > opinions
> > > > > > > > > and
> > > > > > > > > do not reflect on the IIUG, nor any other organization with
> > > > which I
> > > > > > am
> > > > > > > > > associated either explicitly, implicitly, or by inference.
> > > > Neither
> > > > > do
> > > > > > > those
> > > > > > > > > opinions reflect those of other individuals affiliated with
> > any
> > > > > > entity
> > > > > > > with
> > > > > > > > > which I am affiliated nor those of the entities themselves.
> > > > > > > > >
> > > > > > > > > --089e0160bcb419a35a050c781fea
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
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> > > > > > > >
> > > > > > >
> > > > > > >
> > > > > >
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> > > > >
> > > > >
> > > >
> > > >
> > >
> >
> >
> *******************************************************************************
> > > > > > > > > Forum Note: Use "Reply" to post a response in the discussion
> > > > forum.
> > > > > > > > >
> > > > > > > > > Stefan Sammut
> > > > > > > > > Manager - Solutions & Innovation
> > > > > > > > >
> > > > > > > > > [PTL Ltd]
> > > > > > > > >
> > > > > > > > > Nineteen Twenty Three, Valletta Road
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> > > > > > > > >
> > > > > > > > > T +35621445566 +356 99405444
> > > > > > > > > stefan.sammut@ptl.com.mt | www.ptl.com.mt<
> > http://www.ptl.com.mt>
> > > > > > > > >
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> > > >
> > > >
> > >
> >
> >
> https://www.linkedin.com/company/ptl-ltd?trk=tyah&trkInfo=tarId%3A1401716999276%2Ctas%3APTL%2Cidx%3A2-3-8
> > > > > > > > > >
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