Re: Testing hardware RESERVE

2011-01-26 Thread Tony Harminc
On 25 January 2011 11:18, Anne & Lynn Wheeler wrote: > Another approach ... is a CKD channel program with "compare&swap" > semantics that was developed for HONE in the late 70s (US operation was > possibly largest single-system-image, loosely-coupled operation in the > world at the time) ... was

Re: Testing hardware RESERVE

2011-01-25 Thread Anne & Lynn Wheeler
paulgboul...@aim.com (Paul Gilmartin) writes: > Long ago, circa MVS 3.8 without GRS, in our little lab we got > sporadic deadlocks when one job allocated SYSLIB on VOL001, > SYSLMOD on VOL002, and another allocated SYSLIB on VOL002, > SYSLMOD on VOL001. long ago and far away ... discussion of the

Re: Testing hardware RESERVE (was: no subject)

2011-01-25 Thread Paul Gilmartin
On Tue, 25 Jan 2011 08:58:29 -0600, Walt Farrell wrote: >On Tue, 25 Jan 2011 01:56:51 +, john gilmore wrote: > >>I suggest that Mr. Rowe conduct a simple experiment, as I just did. Bind a >set of object modules into library >>A and write something into dataset B, located on the same notional

Testing hardware RESERVE (was: no subject)

2011-01-25 Thread Walt Farrell
On Tue, 25 Jan 2011 01:56:51 +, john gilmore wrote: >I suggest that Mr. Rowe conduct a simple experiment, as I just did. Bind a set of object modules into library >A and write something into dataset B, located on the same notional volume. He will find that he can do these >operations conc