![]() ![]() Virtual SAN 5.5 supported Storage Controllers Number of drives supported per storage controllerĪ storage controller with a queue depth of greater than 256 is recommended for high Virtual SAN nodes.Queue depth supported by the storage controller.Storage controller characteristics that impact performance include Storage controller choice can have a significant impact on optimizing performance and or capacity sizing within your Virtual SAN cluster. As mentioned above, RAID0 mode will require interaction with the storage controller software to manage the addition and removal of drives. ![]() The main consideration when utilizing RAID0 mode for storage controllers within Virtual SAN is the impact on the operational model. When the storage controller cache cannot be completely disabled in a RAID0 configuration, it is recommended to configure the storage controller cache for 100% read-cache, effectively disabling the write-cache. When utilizing RAID0 mode, the storage controller cache should be disabled (this is configurable on some, but not all storage controllers) to ensure the storage controller cache does not conflict with the cache of the SSD drives which is controlled by Virtual SAN. Performance between pass-through and RAID0 mode for the same storage controller should be similar in most instances.
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