![]() The OSDATA partition is a critical component that is required to be always available and also be persistent across reboots. OSDATA reads/writes – Reads/Writes to System Storage continue to grow, mainly to the ESX-OSDATA partition.Some of the reasons why SD cards will be unsustainable with the next major release are: Endurance ratings can no longer guarantee the viability of SD cards as a boot option. VMware has noted that vSphere customers have encountered many issues related to device reliability when SD cards are used as the boot device. Many may wonder why the change in stance on SD Cards and USB storage for ESXi servers? The below information comes straight from the official VMware KB article discussing the new change and the reasons for the removal of the standalone boot options: Why the change and removal of USB ESXi standalone boot storage? We will take a look at a process to easily clone your USB disk to persistent SSD storage with little downtime. In this post, let’s explore SD Card and USB boot no longer supported in ESXi easy migration to SSD. Since the posts, I have started looking and thinking about migrating my servers to more resilient persistent storage. In my home lab environment, all of my ESXi servers are booting from USB with vSphere 7. The days of booting your ESXi server from an SD Card or USB device in a supported way are now over. VMware has now deprecated SD Card and USB device support as a standalone boot device. Recently there have been a few blogs and KB that have caught my attention. ![]()
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