I believe the file you want is: /etc/opt/emcpower/EMCpower.LINUX-5.1.0/enable. It is a shell script which tests for what version of RedHat you're running. Another option (if it is one for you) is to install 5.1, install PowerPath, then upgrade to 5.2. This transparently happened on another test box of mine. It didn't effect PP. -Chris -----Original Message----- From: redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Allen, Jack Sent: Thursday, June 19, 2008 12:53 PM To: General Red Hat Linux discussion list Subject: RE: EMC Power Path for RH EL 5.2 Chris: Thanks for the information. I may try that on my system just to see if it will work, so please send me the name of the file you had to modify for startup. This may get me by until EMC provides the real thing which I would want our customer to use and not have to do the modifying of things. Thanks: Jack Allen -----Original Message----- From: redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Clonch, Christopher A. Sent: Wednesday, June 18, 2008 11:00 PM To: General Red Hat Linux discussion list Subject: RE: EMC Power Path for RH EL 5.2 Hi Jack! I had this exact problem and solved it in a fairly simple manor. The RPM is simply checking the /etc/redhat-release file. I temporarily modified this to read 5.1 (or 5.0, I don't remember which). This let me install it. Then I had to modify one of their startup scripts to allow it to properly start. This time, however, I elected to add 5.2 as a validate version so I could revert my redhat-release file back to normal. I don't have my notes in front of me but can check them tomorrow and report back the exact file I modified. Mind you this was on a test box and I didn't perform extensive testing before needing to wipe it for another project. However, this did allow me to install and run the latest PowerPath on 5.2. It did work without any problems though. HTH -Chris -----Original Message----- From: redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Allen, Jack Sent: Wednesday, June 18, 2008 5:38 PM To: General Red Hat Linux discussion list Subject: EMC Power Path for RH EL 5.2 Hello: I have run into a little bit of a problem dealing with EMC Power Path. I know, your first thought is, so why are you asking this list about it and not EMC? I have asked EMC indirectly (see below) and did not really like their answer. I have some new systems that I installed RH EL 5.1 on with the assumption that EMC Power Path would be supported on it. And I think it was, is. I have Power Path install on some other systems running RH AS 4.6. Because the SAN is from EMC is the reason our SAN group wanted me to use Power Path. While waiting for our SAN group to allocate disk space and cable up the systems I have been keeping the system up to date via yum. Along the way the kernel version has changed and the over all system is now RH EL 5.2. So when the SAN group told me the SAN was all connected and I needed to install EMC Power Path is when it was identified there is a problem. It will not install. When rpm is run with the latest file from EMC I get an error stating the software is for RHEL5. That's correct, just RHEL5, no dot anything. I had our SAN group contact EMC and the response back from EMC was RH EL 5.2 will not be supported until the 4 QT of this year. So my first question is has anyone else run into this problem? If so what did you do? I know I can probably use the Multi Path software that comes with Linux, but I would like to keep all my systems configured as mush the same a possible. This just makes dealing with the SAN group a lot easier. 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