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?
Like:
- elevator/scheduler (/sys/block/[DEVICE]/queue/scheduler)
- sysctl: vm.dirty_background_ratio, vm.dirty_ratio и vm.swappiness
- I/O queue size for block device (/sys/block/[DEVICE]/queue/nr_requests)
- Recommended FS
- File System mount recommendations like Noatime & Nodiratime etc
- I/O Timeout setting (/sys/block/[DEVICE]/device/timeout)
- Other...