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[Xen-devel] Will tapdisk2 dispatch requests from different DomUs?


  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Yuehai Xu <yuehaixu@xxxxxxxxx>
  • Date: Mon, 7 Feb 2011 23:23:27 -0500
  • Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, yhxu@xxxxxxxxx
  • Delivery-date: Mon, 07 Feb 2011 20:24:18 -0800
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Hi all,

Suppose tapdisk2(a) serves Dom1, tapdisk2(b) serves Dom2, when both
Dom1 and Dom2 are issuing random write requests, is it possible for
tapdisk2(a) to dispatch requests both from Dom1 and Dom2? I hope not,
but when I trace the I/O in Dom0, I notice that tapdisk2(a) dispatches
requests from both guest domains. Is it common? I thought each
tapdisk2 should only dispatch requests from its own DomU.

Any comments are appreciated!

Thanks,
Yuehai

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