<p dir="ltr"></p>
<p dir="ltr">On 28 Nov 2016 6:18 am, <<a href="mailto:kircheis@mathematik.uni-marburg.de">kircheis@mathematik.uni-marburg.de</a>> wrote:<br>
><br>
> Hello,<br>
><br>
> i don't speak english very well, but i hope to make my request partly clear.<br>
><br>
> My task is to look for an opportunity to make an optimization regarding<br>
> the reliabilty of a DRBD-Connection (Version 9) over a LAN between three<br>
> or four mobile devices. The problems at the task with mobile devices is,<br>
> that the devices may lose occasionally (and temporary) their connection to<br>
> each other, but it has to be so that the DRBD alive in a most efficient<br>
> manner.<br>
> The paramount Topic is a comparison of energy efficiency between using<br>
> DRBD and using NFS at the network edge.<br>
> In NFS i found some configuration-tools to try. Especially configurations<br>
> on the subject caching, locking and configuring timeouts may be useful.</p>
<p dir="ltr">DRBD works on block device level so no file system there. This is what you need to understand and not compare it with nfs.</p>
<p dir="ltr">> Now, i'm looking for similiar configuration tools for DRBD, but i don't<br>
> find very much in the documentation. I find something about disk flushes,<br>
> but i don't see how to configurate here in a finely granular manner. To<br>
> the subject locking, and configuring timeouts i don't find anything<br>
> helpful. Can you give me please a hint, where in the documentation or in<br>
> other stuff i may find further informations?<br>
><br>
><br>
> many thanks<br>
><br>
> best reguard<br>
><br>
> Simmr<br>
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