<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Perhaps it will help people to know that there is a good write-up about how it all works at the end of the patch found at:<div><a href="http://people.valinux.co.jp/~ryov/dm-ioband/patches/dm-ioband-1.7.0.patch">http://people.valinux.co.jp/~ryov/dm-ioband/patches/dm-ioband-1.7.0.patch</a></div><div><br></div><div>It seem interesting to me. (I'm still reading through the description and haven't started looking at the code.)</div><div><br></div><div>Regarding:</div><div><span class="Apple-style-span" style="font-family: Times; font-size: 16px; "><pre style="word-wrap: break-word; white-space: pre-wrap; "><font class="Apple-style-span" face="Courier" size="3"><span class="Apple-style-span" style="font-size: 12px;">+ ioband_device_id
+
+ The ID number for an ioband device. The same ID
+ must be set among the ioband devices that share the
+ same bandwidth, which means they work on the same
+ physical disk.<span class="Apple-style-span" style="font-family: Helvetica; white-space: normal; "></span></span></font></pre><pre style="word-wrap: break-word; white-space: pre-wrap; "><font class="Apple-style-span" face="Helvetica" size="3"><span class="Apple-style-span" style="font-size: 12px; white-space: normal;">... but it doesn't have to be the same physical disk, right? It could be a group if disks if you felt the need to do something like that, right? (You could treat a JBOD as one unit.) Otherwise, you could probably eliminate this field.</span></font></pre><pre style="word-wrap: break-word; "><font class="Apple-style-span" face="Helvetica" size="3"><span class="Apple-style-span" style="font-size: 12px; white-space: normal;"> </span></font></pre><pre style="word-wrap: break-word; white-space: pre-wrap; "><font class="Apple-style-span" face="Courier" size="3"><span class="Apple-style-span" style="font-size: 12px;"><span class="Apple-style-span" style="font-family: Helvetica; white-space: normal; ">brassow</span></span></font></pre><pre style="word-wrap: break-word; white-space: pre-wrap; "><span class="Apple-style-span" style="font-family: Helvetica; font-size: 12px; white-space: normal; ">On Jan 5, 2009, at 7:51 AM, Ryo Tsuruta wrote:</span></pre></span><div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Hi Alasdair,<br><br>I know you are very very busy, but could you do me a favor and<br>respond to my email?<br><br>- Have you already looked over the patch?<br>- What do you think about it?<br>- Would you consider merging the dm-ioband patch into Linux?<br>- What else do I need to do it?<br><br>Any comments, suggestions or whatever will be grately appreciated.<br><br>Thanks,<br>Ryo Tsuruta<br><br>--<br>dm-devel mailing list<br><a href="mailto:dm-devel@redhat.com">dm-devel@redhat.com</a><br>https://www.redhat.com/mailman/listinfo/dm-devel<br></div></blockquote></div><br></div></body></html>