Do you have any errors on any of these new paths? I recently learned linux will switch to read only after 256 failed i/o. Any erep records generated?
Marcy. Sent from my BlackBerry. ----- Original Message ----- From: Rick Barlow [mailto:[email protected]] Sent: Monday, July 08, 2013 10:42 PM Central Standard Time To: [email protected] <[email protected]> Subject: Re: [LINUX-390] Where does Linux store path information for dasd devices? That is what I thought too. However, some guests are having issues. Some parts of lvm groups switched to r/o. Some page errors. It is not consistent. I'm confused! Rick Barlow Nationwide On Mon, Jul 8, 2013 at 11:34 PM, Scott Rohling <[email protected]>wrote: > I would think this would be transparent to a guest .... it's path will be > the minidisk .. which won't change - unless I misunderstand what you mean > by switches. Are you presenting the DASD as minidisks, or attaching them? > Either way I don't see the pathing changing at the Linux level. > > Scott Rohling > > > On Mon, Jul 8, 2013 at 8:12 PM, Rick Barlow <[email protected]> wrote: > > > I have many Linux guests running on z/VM. We are in the process of > > migrating ECKD DASD from old switches to new switches. I am trying to > find > > out how Linux stores the paths information, how to display what Linux > > thinks and whether there is a way to tell Linux to re-validate its path > > information. > > > > Thanks, > > Rick Barlow > ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/ ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
