As others told you... use drbd for block device replication (
<a href="http://www.drbd.org">http://www.drbd.org</a> ). You can use drbd and drbd kernel module included
in CentOS Extras.<br><br><div><span class="gmail_quote">On 3/2/06, <b class="gmail_sendername">Tom Brown</b> &lt;<a href="mailto:tom.brown@goodtechnology.com">tom.brown@goodtechnology.com</a>&gt; wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br>&gt; Mondo rescue?<br><br>thanks but i want box b to be at the other end of a LAN extension and<br>whenever any block gets updated on box i want that replicated on box b<br><br>i want absolute block for block as opposed to using something like rsync
<br><br>thans<br><br>_______________________________________________<br>CentOS mailing list<br><a href="mailto:CentOS@centos.org">CentOS@centos.org</a><br><a href="http://lists.centos.org/mailman/listinfo/centos">http://lists.centos.org/mailman/listinfo/centos
</a><br></blockquote></div><br>