<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><br class=""></div><div class="">Dear Sunil Kumar Acharya,</div><div class=""><br class=""></div><div class="">yes, I can confirm that I placed 2 bricks per subvolume per host.</div><div class=""><br class=""></div><div class="">Thank you very much for your support.</div><div class="">Regards,</div><div class="">Mauro tridici</div><div class=""><br class=""></div><div class=""><br class=""></div><br class=""><div><blockquote type="cite" class=""><div class="">Il giorno 20 set 2017, alle ore 09:34, Sunil Kumar Heggodu Gopala Acharya <<a href="mailto:sheggodu@redhat.com" class="">sheggodu@redhat.com</a>> ha scritto:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class=""><div class="">Hi Mauro Tridici,<br class=""><br class=""></div>From the information provided it appears like you have placed 2 bricks of a subvolume on one host. Please confirm.<br class=""><br class=""></div>The number of hosts that could go down without losing access to data can be derived based on the brick configuration/distribution. Please let us know the brick distribution plan.<br class=""></div><div class="gmail_extra"><br clear="all" class=""><div class=""><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class="">Regards,<br class=""><div style="font-weight: bold; margin: 0px; padding: 0px; font-size: 14px; text-transform: uppercase;" class=""><span class="">Sunil kumar</span> <span class="">Acharya</span></div><p style="font-weight:normal;font-size:10px;margin:0px 0px 4px;text-transform:uppercase" class=""><span class="">Senior Software Engineer</span></p><div style="font-weight: normal; margin: 0px; font-size: 10px; color: rgb(153, 153, 153);" class=""><a style="color:#0088ce;font-size:10px;margin:0;text-decoration:none;font-family:'overpass',sans-serif" href="https://www.redhat.com/" target="_blank" class="">Red Hat <span class=""><br class=""><br class=""></span></a></div><p style="font-weight:normal;margin:0px 0px 6px;font-size:10px;color:rgb(153,153,153)" class="">
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<br class=""><div class="gmail_quote">On Tue, Sep 19, 2017 at 1:09 AM, Mauro Tridici <span dir="ltr" class=""><<a href="mailto:mauro.tridici@cmcc.it" target="_blank" class="">mauro.tridici@cmcc.it</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Dear All,<br class="">
<br class="">
I just implemented a (6x(4+2)) DISTRIBUTED DISPERSED gluster (v.3.10) volume based on the following hardware:<br class="">
<br class="">
- 3 gluster servers (each server with 2 CPU 10 cores, 64GB RAM, 12 hard disk SAS 12Gb/s, 10GbE storage network)<br class="">
<br class="">
Now, we need to add 3 new servers with the same hardware configuration respecting the current volume topology.<br class="">
If I'm right, we will obtain a DITRIBUTED DISPERSED gluster volume with 12 subvolumes, each volume will contain (4+2) bricks, that is a [12x(4+2)] volume.<br class="">
<br class="">
My question is: in the current volume configuration, only 2 bricks per subvolume or one host could be down without losing data. What it will happen in the next configuration? How many hosts could be down without losing data?<br class="">
<br class="">
Thank you very much.<br class="">
Mauro Tridici<br class="">
<br class="">
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