On Thu, Jan 6, 2011 at 10:04 PM, Stephen Powell <zlinux...@wowway.com> wrote:
> That's eleven combinations. The DIAG driver is only supported in a > virtual machine under z/VM, of course. The current production > version of GNU parted supports only the first two combinations. > With my enhancements, all eleven combinations are supported. The complexity caused by the number of combinations is not an obvious advantage. It's unfortunate we have not been able to separate transport and layout. If we had done that, we could select diagnose I/O or straight SSCH based on performance aspects without any change to the data layout. As you point out, some combinations are WORN devices (write it once, read never afterwards) when the superblock or partition info overwrites the CMS FST. Several of the possible combinations are not a good idea at all. | Rob ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu 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/
