<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div><div><br></div><div><div>Hi,</div><div><br></div><div>sorry for the delay of my reply.</div><div>I have explained myself badly, I have tried with success the scenario of OSS failover,</div><div>but If I have a simple scenario with one MGS/MDS and one OSS, without failover,</div><div>and the server OSS crash, how can I recover the data stored on the OST ??</div><div>Simply replace the server root with one that has the same IP ??</div><div><br></div><div>Thanks</div><div><br></div><div><br></div><div>Stefano Elmopi</div></div><div><br></div><div><br></div><div><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: 12px; "><p><div id="qhide_2062676" class="qt" style="display: block; ">On Mon, 2009-10-26 at 10:52 +0100, Stefano Elmopi wrote: <br><p>> If a server OSS breaks, I have the ability to mount the OST connected <br>> to another server that has a different IP ? <br><br></p></div>Yes. This is called "failover". <br><div><br class="webkit-block-placeholder"></div><div id="qhide_2062677" class="qt" style="display: block; ">> I tried to reproduce the scenario but when I try to mount the lustre <br>> filesystem, <br>> mount -t lustre /dev/sdc /LUSTRE_03, on the new server whit differt <br>> IP, <br>> I get an error, because the lustre fylesystem is registered on the MDT <br>> with the IP <br>> of the server broken !!! <br><br></div>So what was the error? </p></span></div><div><br></div><div><br></div><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>Ing. Stefano Elmopi</div><div>Gruppo Darco - Resp. ICT Sistemi</div><div>Via Ostiense 131/L Corpo B, 00154 Roma</div><div><br></div><div>cell. 3466147165</div><div>tel. 0657060500</div><div>email:<a href="mailto:stefano.elmopi@sociale.it">stefano.elmopi@sociale.it</a></div></div></div></span></div></span> </div><br></body></html>