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CompTIA Server+ · CompTIA
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A. SD card Sometimes used for hypervisor installation in embedded systems. Pros: easy, inexpensive Cons: slow, limited write endurance, not ideal for production servers. ❌ Not best for a production server hypervisor. B. NAS drive Network storage (NFS, iSCSI) is not local. Hypervisor OS should not rely on network storage to boot. ❌ C. SATA drive Acceptable for OS, but slower than SAS, especially under heavy load. Can work, but not ideal for enterprise environments. D. SAS drive ✅ High-speed, enterprise-grade storage, designed for server workloads. Fast, reliable, and supports high IOPS — perfect for a Type 1 hypervisor.
✅ A. SD card Explanation: A Type 1 hypervisor (bare-metal hypervisor) like VMware ESXi or Microsoft Hyper-V is installed directly on the hardware. It typically requires very little disk space and minimal IOPS since the actual virtual machines and their workloads are run from separate storage. SD cards are commonly used by OEMs (like Dell, HPE, etc.) to host hypervisors because: The hypervisor has low write requirements. It leaves SATA and SAS drives free for storing virtual machines. They are cost-effective for this use. Note: If persistent logging or frequent writes are required, some admins configure logs to go to other storage (e.g., a data store on SAS or SATA) to avoid wearing out the SD card.
Going with SAS over SATA here, I mean you have it so why not?