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PASE doesn't run on top of OS/400. It runs beside OS/400. The diagram in the "Fortress Rochester" books shows the following: |-------------------||-----------------| | OS/400 PASE || OS/400 ILE | | Applications || Applications | | |---------------||-------------| | | | PASE Env. || OS/400 | | | | || Operating | | | | AIX Shared || System | | | | Libraries || | | | | || | | | |---------------||-----------------| | | syscall ||Machine Interface| | |---------------||-----------------| | |----------------------------------| | | SLIC Kernel | | |----------------------------------| |-------------------||-----------------| | PowerPC Mode || AS/400 mode | | 32/64 bit || 64bit | |-------------------||-----------------| |--------------------------------------| | Hardware | |--------------------------------------| HTH, Charles Wilt -- iSeries Systems Administrator / Developer Mitsubishi Electric Automotive America ph: 513-573-4343 fax: 513-398-1121
-----Original Message----- From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Chris Bipes Sent: Monday, June 12, 2006 1:08 PM To: Midrange Systems Technical Discussion Subject: RE: TSM on Linux hosted on i5 outperforms TSM running on i5/os PASE. PASE my be binary compatible but it still runs on TOP of OS400, thus the commands, drivers, etc. have to be converted from Unix to OS400 to work. Any emulation environment in my opinion is interpretive. Christopher Bipes Information Services Director CrossCheck, Inc. -----Original Message----- From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Wilt, Charles Sent: Monday, June 12, 2006 9:56 AM To: Midrange Systems Technical Discussion Subject: RE: TSM on Linux hosted on i5 outperforms TSM running on i5/os PASE. Not really. PASE isn't an interpreter because there isn't anything to interpret. Remember, the i and p series run on the same hardware.From the "Fortress Rochester" book:"PASE uses the processor's ability to switch between AS/400 and RS/6000 mode to execute an application in the PASE runtime. <...> Performance is equivalent to a comparable pSeries or RS/6000 system running the same application." The issue appears to be differences in the device drivers required for sharing in an OS-400/PASE environment versus a standalone AIX/Linux environment. Perhaps Rob could comment, but I imagine that with TSM in PASE, as long as TSM wasn't using the tape drive OS/400 could use it with nothing special to do. Whereas with TSM in a Linux partition, the tape drive would have to be moved from the Linux partition to the OS/400 before OS/400 could use it. -- This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list To post a message email: MIDRANGE-L@xxxxxxxxxxxx To subscribe, unsubscribe, or change list options, visit: http://lists.midrange.com/mailman/listinfo/midrange-l or email: MIDRANGE-L-request@xxxxxxxxxxxx Before posting, please take a moment to review the archives at http://archive.midrange.com/midrange-l.
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