Hi Stefan, IBM is still evaluating this. Once there is something to share, I will post it.
Del ---------------------------------------------------- "ADSM: Dist Stor Manager" <ADSM-L@VM.MARIST.EDU> wrote on 01/23/2018 02:29:17 AM: > From: Stefan Folkerts <stefan.folke...@gmail.com> > To: ADSM-L@VM.MARIST.EDU > Date: 01/23/2018 02:30 AM > Subject: Spectre & Meltdown patching in relation to Spectrum Protect > Sent by: "ADSM: Dist Stor Manager" <ADSM-L@VM.MARIST.EDU> > > Hi, > > Has anybody seen any information from IBM in relation to Spectre & Meltdown > patching for Spectrum Protect servers? > We have a customer who has found that systems that do lot's of small IO's > that performance can drop 50% on intel systems, these were seen with > synthetic benchmarks, not actual load. > > So this was certainly not a Spectrum Protect load but I was thinking that > Spectrum Protect might fall into the category that can experience some sort > of performance drop when patched for Spectre and Meltdown. > > Does anybody know what is the impact of these patches on Spectrum Protect > systems? > > Will the blueprints need to be adjusted for instance or is there some > percentage of lower performance we should expect after patching and does it > vary per platform? > > Regards, > Stefan >