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...artition sda11. o Create two files on sda11 to use as virtual machine's disks. o Create an ioband devices on sda11. o Create two virtual machines that using the prepared files as Xen virtual machine's disk. o Create two extra ioband-groups on ioband1, the first is of process tapdisk1 and the second is of process tapdisk2. o Run 128 processes issuing random read/write direct I/O with 4KB data on each virtual machine at the same time respectively. o Count up the number of I/Os which have done in 60 seconds. +--------------------------+ +--------------------------+...

...artition sda11. o Create two files on sda11 to use as virtual machine's disks. o Create an ioband devices on sda11. o Create two virtual machines that using the prepared files as Xen virtual machine's disk. o Create two extra ioband-groups on ioband1, the first is of process tapdisk1 and the second is of process tapdisk2. o Run 128 processes issuing random read/write direct I/O with 4KB data on each virtual machine at the same time respectively. o Count up the number of I/Os which have done in 60 seconds. +--------------------------+ +--------------------------+...

...artition sda11. o Create two files on sda11 to use as virtual machine's disks. o Create an ioband devices on sda11. o Create two virtual machines that using the prepared files as Xen virtual machine's disk. o Create two extra ioband-groups on ioband1, the first is of process tapdisk1 and the second is of process tapdisk2. o Run 128 processes issuing random read/write direct I/O with 4KB data on each virtual machine at the same time respectively. o Count up the number of I/Os which have done in 60 seconds. +--------------------------+ +--------------------------+...