[Default] On 20 May 2017 16:37:10 -0700, in bit.listserv.ibm-main [email protected] (Anne & Lynn Wheeler) wrote:
>[email protected] (Mike Schwab) writes: >> S/370 operating systems and Linux on System Z can be run on Hercules >> on a small PC. > >max z196 config with 80 processors was rated at 50BIPS and went for >$30M. Last published peak I/O benchmark was for z196 with 104 FICONs >(running over 104 fibre channel) getting 2M IOPS. > >same z196 time-frame e5-2600v1 was 400-550BIPS (depending on model) >... about 10 times max z196. Also in same time frame, native fibre >channel was announced for e5-2600 claiming over million IOPS (for single >fibre channel, two such fibre channel with more thruput than 104 FICON, >FICON is heavy duty prototol running over fibre channel that drastically >reduces native throughput). > >current max configured z13 is still around $30M and 100BIPS ... >compared to e5-2600v4 around 1500BIPS (1.5TIPS, more than 10 times z13, >not strictly "small"). > >Before IBM got out of server business it had base list price for e5-2600 >as $1815 (a little over $3/BIPS, compared to z13 now around >$300,000/BIPS). IBM also had a high-density rack holding something like >64 blades ... would now be possibly 100,000BIPS in single rack. > >Large cloud operations claim they assemble their own blades for 1/3rd >the price of brand named blades ... around $1/BIPS ... possibly >contributing to IBM selling off its server business. Given these figures, why haven't emulation and various mainframe replacement technologies completely decimated the market for z series? What will really start the stampede? Clark Morris > >typical cloud megadatacenter "server farm" will have several hundred >thousand blades. > >recent posts mentioning e5-2600/mainframe comparisons >http://www.garlic.com/~lynn/2017d.html#1 GREAT presentation on the history of >the mainframe >http://www.garlic.com/~lynn/2017d.html#57 What are mainframes >http://www.garlic.com/~lynn/2017d.html#58 Paging subsystems in the era of >bigass memory >http://www.garlic.com/~lynn/2017d.html#88 Paging subsystems in the era of >bigass memory >http://www.garlic.com/~lynn/2017e.html#10 WD ships 'world's largest' 12TB HGST >Ultrastar He12 Helium 7200 RPM Enterprise HDDs >http://www.garlic.com/~lynn/2017e.html#94 Migration off Mainframe to other >platform ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
