If you go to www.adsm.org and click on "Mailing List Archives" in the "Navigation" box on the left side - then search for *udevinfo* (*udevadm*for RH6 - our "tape owning servers" are still RH5 until next year when we replace them), you will see a similar discussion with details.
On Fri, May 23, 2014 at 2:51 PM, Lee, Gary <[email protected]> wrote: > Ok, unloading multipath. > How do I deal with the issue of multiple paths to each drive? > I have four fc ports all connected to the san. > > Sorry to appear dense, just not familiar with fiberchanel. > > > > -----Original Message----- > From: ADSM: Dist Stor Manager [mailto:[email protected]] On Behalf Of > Cameron Hanover > Sent: Friday, May 23, 2014 2:24 PM > To: [email protected] > Subject: Re: [ADSM-L] multipathing ts1120s under RHEL6 > > To expand on it slightly, add this option for modprobe once lin_tape is > isntalled: > options lin_tape alternate_pathing=1 > > > http://publib.boulder.ibm.com/infocenter/tsminfo/v6/index.jsp?topic=%2Fcom.ibm.itsm.srv.doc%2Fc_multipath_io_support_unix.html > > - > Cameron Hanover > [email protected] > > When any government, or church for that matter, undertakes to say to its > subjects, this you may not read, this you must not see, this you are > forbidden to know, the end result is tyranny and oppression, no matter how > holy the motive. > --Robert A. Heinlein > > On May 23, 2014, at 1:39 PM, Michael Prix <[email protected]> wrote: > > > Gary, > > > > dm-multipath is for diskdrives. You want to use lin_tape for the > > handling of the FC-attachment of the tape drives. > > > > -- > > Mit freundlichen Grüßen / Kind regards > > > > Michael Prix > > > > On 05/22/2014 09:14 PM, Lee, Gary wrote: > >> I am now attempting to share libraries containing IBM ts1120 drives > between two tsm servers on HP hardware running RHEL 6. > >> > >> It appears that I will need to use the dm-multipath system to manage > the various fc paths to all the drives. > >> > >> Got dm-multipath installed, but now trying to configure so it will see > the drives. > >> Has anyone done this before and could you point me to some information? > >> I have the redhat manual for configuring dm-multipath. I am fairly new > to FC so some help is appreciated. > >> The redhat book does not even mention tape, and can't find info on my > drives in the places it mentions to look. > >> > >> Thanks for any and all help. > -- *Zoltan Forray* TSM Software & Hardware Administrator BigBro / Hobbit / Xymon Administrator Virginia Commonwealth University UCC/Office of Technology Services [email protected] - 804-828-4807 Don't be a phishing victim - VCU and other reputable organizations will never use email to request that you reply with your password, social security number or confidential personal information. For more details visit http://infosecurity.vcu.edu/phishing.html
