I’ve recently been working with a few new ESXi hosts. These systems have a pair of solid state disks that I planned to use for host cache. However, ESXi 5.0 did not detect these disks as an SSD type. I found a couple articles describing how to trick ESXi into thinking a data store was SSD:<\/p>\n
Yellow-Bricks: Swap to host cache aka swap to SSD<\/a> After confirming with my third party vendors that this was a supported configuration, I tested and confirmed that using the enable_ssd option would resolve my issues. Since my host build script is written in PowerCLI, I wanted to re-write the vMA commands using Get-EsxCli. <\/p>\n The local VMFS data store needs to be created first. I encountered some errors when running the commands against an unformatted\/RAW device.<\/p>\n","protected":false},"excerpt":{"rendered":" I’ve recently been working with a few new ESXi hosts. These systems have a pair of solid state disks that I planned to use for host cache. However, ESXi 5.0 did not detect these disks as an SSD type. I … Continue reading
\nVirtuallyGhetto: How to Trick ESXi 5 in seeing an SSD Datastore<\/a><\/p>\n\r\n$localDisk = Get-ScsiLun | where {$_.ExtensionData.DisplayName -match \"Local LSI Disk\"}\r\n$canName = $localDisk.CanonicalName\r\n$esxcli = Get-EsxCli\r\n$satp = ($esxcli.storage.nmp.device.list() | where {$_.Device -eq $canName }).StorageArrayType\r\n$esxcli.storage.nmp.satp.rule.add($null,$null,$null,$canname,$null,$null,$null,\"enable_ssd\",$null,$null,$satp,$null,$null,$null)\r\n$esxcli.storage.core.claiming.reclaim($canName)\r\n<\/code><\/pre>\n