On Sun, Jul 17, 2011 at 5:11 AM, John Robinson <john.robinson@xxxxxxxxxxxxxxxx> wrote: > Pretty poor. CentOS 5, Intel ICH10, md RAID 6 over 5 7200rpm 1TB drives, > then LVM, then ext3: > # dd if=/dev/zero of=test bs=4096 count=262144 > 262144+0 records in > 262144+0 records out > 1073741824 bytes (1.1 GB) copied, 2.5253 seconds, 425 MB/s What hard drive offers a sustained data rate of 425 MB/s or even half that? Simon -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html