Well, its' vdisk and its fast anyway. And it's a safety net. If we start to use it, something is wrong - leaking or real need for more memory.
-----Original Message----- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Mark Post Sent: Wednesday, September 07, 2016 2:34 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: [LINUX-390] vdisk swap in sles 12 >>> On 9/7/2016 at 03:26 PM, Marcy Cortes <marcy.d.cor...@wellsfargo.com> >>> wrote: > This works great. Here's a udev rule for a swap disk. We use 4 with > different priorities on them. > > # Configure DASD device at 0.0.ff00 (FBA mode) ACTION=="add", > SUBSYSTEM=="ccw", KERNEL=="0.0.ff00", IMPORT{program}="collect > 0.0.ff00 %k > 0.0.ff00 dasd-fba" > ACTION=="add", SUBSYSTEM=="drivers", KERNEL=="dasd-fba", > IMPORT{program}="collect 0.0.ff00 %k 0.0.ff00 dasd-fba" > ACTION=="add", ENV{COLLECT_0.0.ff00}=="0", ATTR{[ccw/0.0.ff00]online}="1" > ACTION=="add", RUN+="/sbin/mkswap > /dev/disk/by-path/ccw-0.0.ff00-part1", > RUN+="/sbin/swapon /dev/disk/by-path/ccw-0.0.ff00-part1 -p4" You'd probably get better performance out of these if they were used in DIAG 250 mode, wouldn't you? Mark Post ---------------------------------------------------------------------- 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/ ---------------------------------------------------------------------- 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/