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IDS Forum
Re: Problem with disk ownership
Posted By: Art Kagel
Date: Monday, 12 January 2015, at 4:11 p.m.
In Response To: Re: Problem with disk ownership (Ruben Dutan)
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
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > >
> > >
> >
>
> *******************************************************************************
> > > > > > > > Forum Note: Use "Reply" to post a response in the discussion
> > > forum.
> > > > > > > >
> > > > > > > > Stefan Sammut
> > > > > > > > Manager - Solutions & Innovation
> > > > > > > >
> > > > > > > > [PTL Ltd]
> > > > > > > >
> > > > > > > > Nineteen Twenty Three, Valletta Road
> > > > > > > > Marsa, MRS 3000, MT
> > > > > > > >
> > > > > > > > T +35621445566 +356 99405444
> > > > > > > > stefan.sammut@ptl.com.mt | www.ptl.com.mt<
> http://www.ptl.com.mt>
> > > > > > > >
> > > > > > > > [Facebook]<
> https://www.facebook.com/PTLMalta/app_349313058487732
> > > >
> > > > > > > > [LinkedIn]
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> > > > >
> > > > >
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> > > >
> > > >
> > >
> > >
> >
>
> https://www.linkedin.com/company/ptl-ltd?trk=tyah&trkInfo=tarId%3A1401716999276%2Ctas%3APTL%2Cidx%3A2-3-8
> > > > > > > > >
> > > > > > > > [Twitter] <https://twitter.com/PTL_Malta> [Youtube]
> > > > > > > > <
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>
> https://www.youtube.com/channel/UCuXrJBO_54kd9HttG8S89iQ/feed?view_as=public
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> *******************************************************************************
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