<html><head></head><body>Maybe ionice could help?<br><br><div class="gmail_quote">On July 26, 2016 9:26:01 AM CDT, Gianluca Cecchi <gianluca.cecchi@gmail.com> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Tue, Jul 26, 2016 at 4:00 PM, Gianluca Cecchi wrote:<br /><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div dir="ltr"><br /><div><br /></div><div>But then if I try to use the same approach with pvmove command:</div><div><br /></div><div># cgexec -g blkio:30M pvmove -i 60 /dev/mapper/360a9800037543543592442595559337a /dev/mapper/3600a098038303769752b495147377857<br /></div><div><br /></div><div>I get </div><div><br /></div><div><div>Device: tps MB_read/s MB_wrtn/s MB_read MB_wrtn</div><div>sdah 29.00 14.50 0.00 43 0</div><div>sdaw 29.00 14.37 0.00 43 0</div><div>sdcp 28.67 14.29 0.0
0
42 0</div><div>sdde 28.67 14.33 0.00 43 0</div></div><div><br /></div><div>it seems an intermediate ....</div><div><br /></div></div></blockquote><div><br /></div><div>BTW: I also tested using "--sticky" option </div><div><br /></div><div># cgexec -g blkio:30M --sticky pvmove . . . . <br /></div><div><br /></div><div>but same behavior. Indeed I don't see any explicit child process originated by the pvmove command....</div><div><br /></div><div>Gianluca </div></div></div></div>
<p style="margin-top: 2.5em; margin-bottom: 1em; border-bottom: 1px solid #000"></p><pre class="k9mail"><hr /><br />rhelv6-list mailing list<br />rhelv6-list@redhat.com<br /><a href="https://www.redhat.com/mailman/listinfo/rhelv6-list">https://www.redhat.com/mailman/listinfo/rhelv6-list</a></pre></blockquote></div></body></html>