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Beginner

Strange behaviour of ESXi on SAN

Tomorrow I am going to a customer site in order to try to find out this:

They successfully install ESXI to a LUN. They then patch the ESXi server, but as soon as they reboot the blade, all patches are lost and it boots up from scratch. Apparently.

I will check out this guide:

http://www.cisco.com/en/US/docs/unified_computing/ucs/ts/guide/TS_SANBootAndConnect.html

But I may need som emore suggestions here.

Could it be that this behaviour happens if they are using the wrong ESXi custom boot image?

Is it possible that the boot order got switched and it booted from a different LUN?

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4 REPLIES 4
Beginner

Strange behaviour of ESXi on SAN

I think I have got it. They proabably forget to remove the mapped ISO-image. So when they boot, it boots up from the ISO-image...Will see tomorrow.

Cisco Employee

Strange behaviour of ESXi on SAN

Alte,

ESXi unmounts itself (vmedia/physical) after installation. I would suspect the SCSI LunID that is masked does not match what is configured in the Service Profile.

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Beginner

Strange behaviour of ESXi on SAN

When it boots, does it boot into the ESXi loader? I would expect that behaviour if you were booting into the ISO.

Just to be clear, are you doing PXE booting, or just boot from SAN?

mike

Beginner

Strange behaviour of ESXi on SAN

Hi,

This is a known bug in the esxi5.0 if you are using FCOE boot.

http://kb.vmware.com/kb/2031315 UCS Blade loses configuration after reboot in VMware ESXi 5.0.x .

This should be fixed in esx5.1 or you can use local boot disks as a workaround.

Mikko

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