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<blockquote data-quote="fujistick" data-source="post: 593762" data-attributes="member: 65261"><p>Ok sorry for the delay, here's the current status:</p><p></p><p>I've purchased most of the new server hardware as detailed in my first post. Hardware assembly was smooth, motherborad BIOS was configured to turn on Directed I/O (VT-d) and RAID volumes setup OK in the adaptec card's BIOS/firmware. The ESXi install was started and this is about were things started to go pear shaped...</p><p></p><p>In short, either the Adaptec 3805 raid card isn't compatible with VT-d turned on, or it's not compatible with the Intel DX58S0 motherboard and/or some other part of the hardware combination I have.</p><p></p><p>ESXi would appear to install to the RAID ok, but when booting it would get 3/4 the way through the ESXi boot and stop with an error saying it couldn't find the raid disk or there was problems with it, etc. If i turned off VT-d in the BIOS, everything would install and boot fine, however, PCI passthough would be disabled. Turn VT-d back on, same problems. I could install and boot to a USB stick with VT-d turned on, and although the raid card was visible, it threw errors when you tried to use it.</p><p></p><p>At first I thought it was just my particular hardware combination not supported by ESXi 4 (the adaptec RAID card is on the hardware compatibility list but the motherboard, etc isn't), so I started experimenting with the Xen hyper visor (I was using the linux distro CentOS 5.4). However, I experienced essentially the same issues with VT-d turned on.</p><p></p><p>At this point I dropped everything and traveled to Canada for 5 weeks - winter olympics, snowboarding, etc <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> </p><p></p><p>I'm back now and will be getting back into it shortly. Given vk3heg's experience, the first thing I'll try is to take out the raid card and just use a local disk to test if PCI passthrough actually works with a VM. I'm not sure why I didn't try this first? </p><p></p><p>Will keep you updated with my findings.</p></blockquote><p></p>
[QUOTE="fujistick, post: 593762, member: 65261"] Ok sorry for the delay, here's the current status: I've purchased most of the new server hardware as detailed in my first post. Hardware assembly was smooth, motherborad BIOS was configured to turn on Directed I/O (VT-d) and RAID volumes setup OK in the adaptec card's BIOS/firmware. The ESXi install was started and this is about were things started to go pear shaped... In short, either the Adaptec 3805 raid card isn't compatible with VT-d turned on, or it's not compatible with the Intel DX58S0 motherboard and/or some other part of the hardware combination I have. ESXi would appear to install to the RAID ok, but when booting it would get 3/4 the way through the ESXi boot and stop with an error saying it couldn't find the raid disk or there was problems with it, etc. If i turned off VT-d in the BIOS, everything would install and boot fine, however, PCI passthough would be disabled. Turn VT-d back on, same problems. I could install and boot to a USB stick with VT-d turned on, and although the raid card was visible, it threw errors when you tried to use it. At first I thought it was just my particular hardware combination not supported by ESXi 4 (the adaptec RAID card is on the hardware compatibility list but the motherboard, etc isn't), so I started experimenting with the Xen hyper visor (I was using the linux distro CentOS 5.4). However, I experienced essentially the same issues with VT-d turned on. At this point I dropped everything and traveled to Canada for 5 weeks - winter olympics, snowboarding, etc :) I'm back now and will be getting back into it shortly. Given vk3heg's experience, the first thing I'll try is to take out the raid card and just use a local disk to test if PCI passthrough actually works with a VM. I'm not sure why I didn't try this first? Will keep you updated with my findings. [/QUOTE]
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