Category Archives: Virtualization

VMware | Automatic fix LUN multipath policy to Round-Robin

By | 2018-05-30

A newly (manual) added FC datastore has a default multipath policy of “Most Recently Used (MRU)” or “Fixed” – both means, that there will be only one path used at a time. We wanted all our datastores to use multiple paths, so we switched all our datastores to “Round Robin (RR)”. With about 10 storage… Read More »

VMware | Pre-Provision Distributed Virtual Switch with 2000 VLANs and Network QoS

By | 2018-05-29

For later productive use, we needed about 2000 portgroups in our Distributed Virtual Switch for our customer VMs. We are pre-provisioning our DVS with these portgroups, so there is no need to create the PG, when it is needed. Our network department just needs to configure the VLAN an the hypervisors trunk ports and our… Read More »

vSphere 6.7: Automated consistent VMware vCSA Backup

By | 2018-05-23

In an old post I described how to make an automated and consistent backup of VMware vCenter Server Appliance with vSphere 6.5 and some Linux Bash scripts. With vSphere 6.7, VMware introduced a new feature called “Backup Schedule”: Now you can configure a schedule for the backup (including a cleanup job) – there is no need for… Read More »

VMware ESXi Multipath Configurations

By | 2018-03-20

Set Default Multipath Policy to Round-Robin esxcli storage nmp satp set –default-psp=VMW_PSP_RR –satp=VMW_SATP_ALUA Change ALL LUNs to Round-Robin Multipath for device in $(esxcli storage nmp device list | grep ^naa); do esxcli storage nmp device set –device $device –psp VMW_PSP_RR; done