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 Post subject: ESXi Boot from SAN
PostPosted: Wed Nov 14, 2018 1:00 pm 

Joined: Wed Oct 31, 2018 2:39 pm
Posts: 2
I would like to know the recommendations for ESXi boot from SAN from 3PAR.
Do we need to create a separate boot LUN for each host an how do we identify target WWN for the LUN.

Thanks in Advance!!


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 Post subject: Re: ESXi Boot from SAN
PostPosted: Sat Nov 17, 2018 11:24 pm 
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Joined: Tue Aug 18, 2009 10:35 pm
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Location: Dallas, Texas
Yes you will need a separate boot lun for each host, and that lun will NOT be exported to a hostset, or a member of a volumeset. For simplicity, I would recommend using LUN0 for the boot drives. One unique VV exported as LUN0 to each esxi host.

As for the boot options, that is done on the server BIOS configuration. You need to make the HBA higher in the boot order than NIC, SATA or other scsi cards, and go into the boot bios of the HBA and set which LUN to boot from.

The gold standard for all things 3PAR and Vmware is the 3PAR Implementation Guide for VMware. Page 103 is where SAN boot is discussed.

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Richard Siemers
The views and opinions expressed are my own and do not necessarily reflect those of my employer.


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