Using the native Vbox iscsi initiator for very simple tests I'm getting
slightly less than 20 MB/s write speed and VM takes a long time to boot
because of DMA LBA errors are being reported on the iscsi/sata disk.

If I mount the iscsi on the host, I get close to 50 MB/s and then if I map
that to a Virtualbox raw disk, and stick in a VM I get around 42 MB/s write
speed.  I haven't done any tuning on iscsi target so perhaps that could
improve things, but I'm concerned about the huge drop off in performance and
reliability issues with the Vbox native version.  Does anyone have insight
into this?

virtualbox-ose-3.2.12
istgt-20110103

These are both recent 8-STABLE versions of Virtualbox.



-- 
Adam Vande More
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