On Tue, 27 May 2008 11:42:51 -0700, Edward Jaffe <[EMAIL PROTECTED]> wrote:
>Mark Zelden wrote: >> A properly configured shared file system in either a basic or parallel sysplex. >> >> Have a look at the chapter on sharing file systems in a sysplex in the >> UNIX System Services Planning manual. I think the doc is pretty good. >> If you have questions after that, let us know. >> > >Exactly. There is no need whatsoever for parallel sysplex. Both zFS and >HFS use USS file sharing support, which uses only XCF signaling and a >couple data set ... no XES. Requests are "function shipped" to the file >system owning system, so you get better performance on the image where >the file system is mounted. > Except for read only requests (even when mounted R/W). IIRC, those are handled from the local system regardless of the file system owner. Mark -- Mark Zelden Sr. Software and Systems Architect - z/OS Team Lead Zurich North America / Farmers Insurance Group - ZFUS G-ITO mailto:[EMAIL PROTECTED] z/OS Systems Programming expert at http://expertanswercenter.techtarget.com/ Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html