Useful Celerra / VNX File Commands | The SAN Guy
Useful command line reference for the EMC File part of the VNX and NS arrays. Useful Celerra / VNX File Commands | The SAN Guy.
SAN
VMware KB: ESXi/ESX hosts with visibility to RDM LUNs being used by MSCS nodes with RDMs may take a long time to boot or during LUN rescan
This was a great find – fixed the 45 minute boot time due to the large number of RDMs in use: VMware KB: ESXi/ESX hosts with visibility to RDM LUNs being used by MSCS nodes with RDMs may take a long time to boot or during LUN rescan.
EMC Community Network – ECN: Need to know the difference between storage pool and RAID group?
Need to know the difference between storage pool and RAID group? via EMC Community Network – ECN: Need to know the difference between storage pool and RAID group?. A great reply to a posted question – all show in a easy to read table.
VMware KB: Unmounting a LUN or Detaching a Datastore/Storage Device from multiple ESXi 5.x hosts
VMware KB: Unmounting a LUN or Detaching a Datastore/Storage Device from multiple ESXi 5.x hosts.
Online IOPS Calculator (wmarow.com)
A Excellent and hand IOPS calculator over on the site wmarow.com. It has a number of pre-defined drive type, but you can add your own drives specifications. wmarows iops calculator.
Adaptive Queueing vs. Storage I/O Control |
An excellent and well explained guide for VMWare IO storage control – how queue depth and queue full conditions are handled. Adaptive Queueing vs. Storage I/O Control |.