Hi Zoltan Here is the reference... I know it is for TSM 7.1, but the reference is specific to RHEL and it's filesystems, which is still relevant to the discussion, I think:
http://www-01.ibm.com/support/knowledgecenter/SSGSG7_7.1.0/com.ibm.itsm.perf.doc/t_perf_diskos_lnx.html Best regards, Mike, x7942 RMD IT Client Services On Thu, Jan 28, 2016 at 11:38 AM, Zoltan Forray <zfor...@vcu.edu> wrote: > On Wed, Jan 27, 2016 at 10:05 AM, Ryder, Michael S < > michael_s.ry...@roche.com> wrote: > > > Did you follow the docs and disable RHEL's read-ahead > > caching? If so, you may want to consider enabling it. > > > > Mike, > > Can you expand on your statement about RHEL read-ahead cache and some > tuning/config document you refer to? We were unaware of such a document > (or config value). The RHEL read-ahead cache is set to the default of > 128K. Currently all caching is via PERC. > > > -- > *Zoltan Forray* > TSM Software & Hardware Administrator > Xymon Monitor Administrator > Virginia Commonwealth University > UCC/Office of Technology Services > www.ucc.vcu.edu > zfor...@vcu.edu - 804-828-4807 > Don't be a phishing victim - VCU and other reputable organizations will > never use email to request that you reply with your password, social > security number or confidential personal information. For more details > visit http://infosecurity.vcu.edu/phishing.html >
