<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <META content="MSHTML 6.00.2900.2838" name=GENERATOR></HEAD> <BODY> <DIV>Fred,</DIV> <DIV> </DIV> <DIV>I looked in the rawdevices file and it appeared that the setup is of the /dev/raw/raw1 /dev/sdb2 format. Once I make an entry in the file, like above, do I link to the /dev/sdb2 or to the /dev/raw/raw1? Also, is that all the I need to do is edit the rawdevices file or do I need to do something else in conjunction?</DIV> <DIV> </DIV> <DIV>Larry</DIV> <DIV> </DIV> <DIV>On Mon, 27 Mar 2006 09:15:01 +0200 "Hornain Frederic" <<A href="mailto:Frederic.Hornain@GB.BE">Frederic.Hornain@GB.BE</A>> writes:</DIV> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 10px; MARGIN-LEFT: 10px; BORDER-LEFT: #000000 2px solid"> <DIV><SPAN class=765520607-27032006>I am going to run into problems down the road, not having edited the /etc/sysconfig/rawdevices file?</SPAN></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=765520607-27032006>Well, I do not think so however I would recommend you to use raw device instead of this method.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=765520607-27032006>Obviously it does the same cause in the both case the chunks is managed by informix and not the OS.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=765520607-27032006></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=765520607-27032006>Nonetheless the problem is situated at the kernel level cause with raw devices you specify specificly to the system these device are managed by the DB and nothing else whereas in the other case it does not know.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=765520607-27032006></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=765520607-27032006>To conclude, use raw device even if the behaviour is the same.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=765520607-27032006></SPAN></FONT> </DIV> <DIV><SPAN class=765520607-27032006> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Feel free to contact me if you nee<SPAN class=765520607-27032006>d</SPAN> more information about that. </SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Best Regards</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Fred</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Belgium Fedora Ambassador</SPAN></FONT></DIV></SPAN></DIV> <BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px"> <DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> rhn-users-bounces@redhat.com [mailto:rhn-users-bounces@redhat.com]<B>On Behalf Of </B>Larry D Sorensen<BR><B>Sent:</B> Sunday, March 26, 2006 7:24 PM<BR><B>To:</B> rhn-users@redhat.com<BR><B>Subject:</B> [rhn-users] Re: Informix on Linux<BR><BR></FONT></DIV> <DIV>Fred,</DIV> <DIV> </DIV> <DIV>Thank you for the response. I am running RedHat ES 4. I wasn't able to get any help before your message, so I experimented. I ran fdisk and created some partitions. Then I created a static link to each of the created partitions. Then I just created chunks in Informix using the links. It has appeared to work so far. Do you think I am going to run into problems down the road, not having edited the /etc/sysconfig/rawdevices file?</DIV> <DIV> </DIV> <DIV> </DIV> <DIV>On Sun, 26 Mar 2006 03:53:54 +0200 "Hornain Frederic" <<A href="mailto:Frederic.Hornain@GB.BE">Frederic.Hornain@GB.BE</A>> writes:</DIV> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 10px; MARGIN-LEFT: 10px; BORDER-LEFT: #000000 2px solid"> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Hi,</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006></SPAN></FONT> </DIV> <DIV><FONT size=+0><SPAN class=468433901-26032006>>Does anyone run Informix using raw partitions on Linux?</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Yes , I have already done that. You have just to create logical or physical hard disks dedicated to Informix. </SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>For instance "/dev/hdc"</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Then open the raws configuration file situated on /etc/sysconfig/rawdevices I think. BTW, I beleive that on one previous fedora version, the raw device tricks was not fonctionning very well. Fedora 1 or 2 ? Do not remember. </SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Well...</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Then add a line corresponding to you device either via the device number "major and minor" or via the path I beleive.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Finally restart the service associated to the raw device, if I remember well....</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Then you should see you raw device running raw -qa I think.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>BTW, do not forget to point your chunks on links pointing on specific raw devices.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006></SPAN></FONT> </DIV> <DIV><FONT size=+0><SPAN class=468433901-26032006>Is there a limit on the number that can be created, or is it fairly high?</SPAN></FONT></DIV> <DIV><FONT size=+0><SPAN class=468433901-26032006>On previous version, I think it was 255.</SPAN></FONT></DIV> <DIV><FONT size=+0><SPAN class=468433901-26032006>But now on RHEL4, I think it is more.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Feel free to contact me if you nees more information about that. </SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Sorry but it's quite late here, and I am a little bit tired. </SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Best Regards</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Fred</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006>Belgium Fedora Ambassador</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=468433901-26032006></SPAN></FONT> </DIV> <BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px"> <DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> rhn-users-bounces@redhat.com [mailto:rhn-users-bounces@redhat.com]<B>On Behalf Of </B>larry.sorensen@juno.com<BR><B>Sent:</B> Saturday, March 25, 2006 12:12 AM<BR><B>To:</B> rhn-users@redhat.com<BR><B>Subject:</B> [rhn-users] Re: Informix on Linux<BR><BR></FONT></DIV> <P>Does anyone run Informix using raw partitions on Linux? I need to create some raw partitions and need to know the Linux commands for creating them for use with Informix. Is there a limit on the number that can be created, or is it fairly high?</P> <P>Thanks.</P></BLOCKQUOTE> <DIV> </DIV></BLOCKQUOTE></BLOCKQUOTE> <DIV> </DIV></BLOCKQUOTE></BODY></HTML>