Can I boot ESXi from an SD card while placing OSDATA on my SAN?
source link: https://www.yellow-bricks.com/2021/11/16/can-i-boot-esxi-from-an-sd-card-while-placing-osdata-on-my-san/
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Can I boot ESXi from an SD card while placing OSDATA on my SAN?
Duncan Epping · Nov 16, 2021 · Leave a Comment
I see this question popping up all the time, literally twice a day on our VMware internal slack, can I boot ESXi from an SD card while placing OSDATA on my SAN? I guess people are confused after reading this article. It is probably a result of skim-reading as the article is in-depth and spells it out to the letter. If you look at the following table then it mentions FCoE and iSCSI:
However, FCoE, iSCSI, and FC would only be supported when you boot from SAN, only then is OSDATA supported on a SAN device. However, when you boot from USB/SD, OSDATA will need to reside on a locally attached device. Yes, that means that you cannot place OSDATA on a SAN device when you boot from USB/SD. Again, for details, read this excellent document.
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