On Thu, Mar 21, 2013 at 11:15 AM, Staller, Allan <[email protected]> wrote: > Comments interspersed: > > > Check: ASM_LOCAL_SLOT_USAGE > Comment: This one pops up regularly on LPAR's with Websphere software. > It's almost impossible to keep the usage below 30%. > Documentation says: "To maximize the efficiency of ASM slot management, you > should keep the slot usage on all local page data sets below 30%." > We're using 4 page data sets in our test LPAR's, which are ~540k tracks. > Adding additional is always an option, but is it worth it? > Maybe to change the warning threshold? Thoughts? > >>>>>>> Easy fix. Add more locals. ISTR,(although I may have missed an update) >>>>>>> that there was an upper limit to the size of a local.
Used to be 4GB limit. Now limited to the track allocated area of an EAV (54GB). We just had a discussion on DFSORT parameters that tend to fill the paging packs. If you don't have a lot of I/O, you should be fine. https://groups.google.com/forum/?fromgroups=#!topic/bit.listserv.ibm-main/cbgA_pO0j4I EXPOLD=0 EXPMAX=50% http://www-01.ibm.com/support/docview.wss?uid=isg1II13495 > > Check: GRS_CONVERT_RESERVES > Comment: Still haven't used the GRS ENQ/DEQ/RESERVE Monitor to check what > reserves our systems are using. I was wondering has anyone tried to convert > all RESERVEs to ENQs? Were any applications problematic? > >>>>>>>> There are several cases where the GRS planning manual suggests *NOT* >>>>>>>> converting reserves. Check the fine manual for additional info. JES2 Checkpoint and Spool volumes are reserved. <deleted> -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
