<div dir="ltr">A general purpose file system requires one to manage over a million locks concurrently. So performance is the main reason.<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Jul 1, 2013 at 6:22 PM, Jensen <span dir="ltr"><<a href="mailto:shencanquan@huawei.com" target="_blank">shencanquan@huawei.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Mark, sunil, jeff an Joel,<br>
Do you know why ? Thanks.<br>
<br>
Jensen.<br>
2013-7-2<br>
<div><div class="h5"><br>
On 2013/6/29 11:27, Jensen wrote:<br>
<br>
> Hi all,<br>
> I found ocfs1.0 use the Distributed lock manager by disk. on ocfs2 why give up? because performance or other reason?<br>
><br>
> Btw:<br>
> on the ocfs1.0 why not use scsi-2/3 reservation to protect to update the dlm sector data?<br>
><br>
> Thanks,<br>
> Jensen.<br>
><br>
><br>
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</blockquote></div><br></div>