topic Recommendations for Linux GOS tuning in VMware environment (SAN) in Network and Storage Protocols https://community.netapp.com/t5/Network-and-Storage-Protocols/Recommendations-for-Linux-GOS-tuning-in-VMware-environment-SAN/m-p/112019#M8031 <P>What are the general recommendations for GOS Linux tuning in VMware environment living ontop of VMFS, RDM and for GOS directley-attached software iSCSI initiator?</P> <P>&nbsp;</P> <P>Like:</P> <UL> <LI>elevator/scheduler (<STRONG><EM>/sys/block/[DEVICE]/queue/scheduler</EM></STRONG>)</LI> <LI><STRONG><EM>sysctl</EM></STRONG>: <EM><STRONG>vm.dirty_background_ratio</STRONG></EM>, <STRONG><EM>vm.dirty_ratio</EM></STRONG> и <STRONG><EM>vm.swappiness</EM></STRONG></LI> <LI>I/O queue size for block device (<STRONG><EM>/sys/block/[DEVICE]/queue/nr_requests</EM></STRONG>)</LI> <LI>Recommended FS</LI> <LI>File System mount recommendations like <STRONG><EM>Noatime</EM></STRONG> &amp; <STRONG><EM>Nodiratime</EM></STRONG> etc</LI> <LI>I/O Timeout setting (<STRONG><EM>/sys/block/[DEVICE]/device/timeout</EM></STRONG>)</LI> <LI>Other...</LI> </UL> <P>&nbsp;</P> Wed, 04 Jun 2025 22:55:18 GMT D_BEREZENKO 2025-06-04T22:55:18Z Recommendations for Linux GOS tuning in VMware environment (SAN) https://community.netapp.com/t5/Network-and-Storage-Protocols/Recommendations-for-Linux-GOS-tuning-in-VMware-environment-SAN/m-p/112019#M8031 <P>What are the general recommendations for GOS Linux tuning in VMware environment living ontop of VMFS, RDM and for GOS directley-attached software iSCSI initiator?</P> <P>&nbsp;</P> <P>Like:</P> <UL> <LI>elevator/scheduler (<STRONG><EM>/sys/block/[DEVICE]/queue/scheduler</EM></STRONG>)</LI> <LI><STRONG><EM>sysctl</EM></STRONG>: <EM><STRONG>vm.dirty_background_ratio</STRONG></EM>, <STRONG><EM>vm.dirty_ratio</EM></STRONG> и <STRONG><EM>vm.swappiness</EM></STRONG></LI> <LI>I/O queue size for block device (<STRONG><EM>/sys/block/[DEVICE]/queue/nr_requests</EM></STRONG>)</LI> <LI>Recommended FS</LI> <LI>File System mount recommendations like <STRONG><EM>Noatime</EM></STRONG> &amp; <STRONG><EM>Nodiratime</EM></STRONG> etc</LI> <LI>I/O Timeout setting (<STRONG><EM>/sys/block/[DEVICE]/device/timeout</EM></STRONG>)</LI> <LI>Other...</LI> </UL> <P>&nbsp;</P> Wed, 04 Jun 2025 22:55:18 GMT https://community.netapp.com/t5/Network-and-Storage-Protocols/Recommendations-for-Linux-GOS-tuning-in-VMware-environment-SAN/m-p/112019#M8031 D_BEREZENKO 2025-06-04T22:55:18Z