Oops, forgot to reply to all... I was able to set up a megaraid device by co... ---------- Forwarded message ---------- From: Jeff Rasmussen <jeff.rasmussen at gmail.com> Date: Tue, 14 Nov 2006 09:15:21 -0600 Subject: Re: [tclug-list] Drives Not Recognized on Dell Poweredge 1550 CentOs install To: pjcrump at bitstream.net I was able to set up a megaraid device by configuring the drives as seperate drives, not in a raid (unless that is a raid in itself). I was then able to install Debian or Ubuntu on the first drive and used the second drive as /var/lib/bacuppc. I believe I could have set up a software raid if that was necessary for my project. Jeff Rasmussen On 11/11/06, Phillip Crump <pjcrump at bitstream.net> wrote: > That's the process that I tried and it does not work.. I guess at this > point I'm just looking for a RAID > controller that is natively supported by the 2.6 kernel.. Any suggestions? > > -----Original Message----- > From: Josh Paetzel [mailto:josh at tcbug.org] > Sent: Saturday, November 11, 2006 10:25 AM > To: pjcrump at bitstream.net; tclug-list at mn-linux.org > Subject: Re: [tclug-list] Drives Not Recognized on Dell Poweredge 1550 > CentOs install > > > On Saturday 11 November 2006 10:15, Phillip Crump wrote: > > The raid card is an Adaptec 2100S. > > > > -----Original Message----- > > From: Josh Paetzel [mailto:josh at tcbug.org] > > Sent: Saturday, November 11, 2006 9:35 AM > > To: tclug-list at mn-linux.org; pjcrump at bitstream.net > > Subject: Re: [tclug-list] Drives Not Recognized on Dell Poweredge > > 1550 CentOs install > > > > On Saturday 11 November 2006 01:20, Phillip Crump wrote: > > > I have a new (used)Dell Poweredge 1550 server with 2 scsi drives > > > (dual 1ghz w/ 2048MB) that I'm attempting to install CentOs 4 > > > onto and am having problems getting the darn thing to recognize > > > the hard drives. (it's worth noting that it's running RAID 0 and > > > the RAID bios recognizes both drives as being in "optimal" > > > state). I start the > > > installation process and all is going well until it autoprobes. > > > All other hardware is found > > > except for the hard drives. The install subsequently fails > > > because there the drives can't be found. > > > > > > I have been googling my brain out over the last week and this > > > seems to be an issue with installing linux > > > on this particular server model. (surrounding the megaraid driver > > > and have tried many of the > > > things out there to no avail. > > > > > > To see what I have been trying checkout this mailing list entry: > > > http://lists.centos.org/pipermail/centos/2005-August/010021.html > > > > > > Any advice that anyone can give is appreciated! > > > > > > P.S. I have tried to install Debian, Mandrake and FC6 to no > > > avail. > > > > > > > > > PJ > > > > If memory serves there were a few different RAID controllers > > available for the 1550. Since you don't mention which controller > > yours has it's only possible to offer suggestions. > > > > One possibility is that there simply isn't a linux driver for it, > > in which case it isn't going to matter which distro you try to > > install on it. It's just not going to work. > > > > Another option that you may have is that some of the RAID > > controllers that Dell used (the PERC/3's come to mind) had the > > ability to emulate a plain SCSI controller. This was generally > > togglable in the BIOS. If yours has this option it's possible that > > it will emulate something that there is a driver for. I have > > actually run into this before with the PE2450s. In SCSI mode the > > controller appeared as an adaptec 78xx which had a driver, in RAID > > mode it was something completely different (what exactly it was > > escapes me at the moment). > > There are no drivers for this controller in the kernel. There are > linux drivers provided by adaptec on their website. If you are going > to use it as a boot device you will have to get the drivers onto a > floppy or CD and then load them during the install. (the procedure > for which will be distro-specific) Once you get installed you'll > either have to compile the drivers into the kernel or load them as a > module in order to be able to boot from the RAID array. > > -- > Thanks, > > Josh Paetzel > > > > _______________________________________________ > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota > tclug-list at mn-linux.org > http://mailman.mn-linux.org/mailman/listinfo/tclug-list > -- Jeff Rasmussen GPG public key 0x9686C12F -- Jeff Rasmussen GPG public key 0x9686C12F