> -----Original Message----- > From: Dave Jones [mailto:[EMAIL PROTECTED]] > Sent: Monday, November 25, 2002 8:14 AM > To: [EMAIL PROTECTED] > Subject: Re: Data transfer between z/VM systems > > > Hi, Andy. > > There are several ways you can share data between your two > LPARs running VM. > You can: > > 1) connect the two LPARs with a hipersocket connection (if > your hardware > permits it). Then data can be moved from a Linux image in one > LPAR to a > Linux image in the other LPAR using, e.g., FTP. > 2) physical DASD can be shared among the two LPARs using a VM facility > called Cross System Extension (CSE). It's a standard part of > VM, already > included in what you have installed. It allows two VM images > (one in each > LPAR ) to share DASD. One Linux image can access DASD in > read/write mode, > while another Linux image in the other LPAR can access the > same DASD in read > only mode. > > Drop me a note off list if you'd like any help getting CSE > set up on your > system. It's documented in the CP Planning and Admin Guide, > but having a > working example to go from makes life easier..... > > Dave Jones > Sine Nomine
Dave, How good of an idea is it to mount a filesystem R/O on a second Linux/390 image? I would worry about problems due to Linux's aggressive use of filesystem cache. Also, does CSE take care of the VM mini-disk caching problem that I read about here? Thanks, -- John McKown Senior Technical Specialist UICI Insurance Center Applications & Solutions Team +1.817.255.3225
