<div dir="ltr"><div class="gmail_extra"><div class="gmail_extra">Thanks Roland for tacking the time to answer</div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">I know that page, but I am afraid to proceed ... can you please bare with me and help determine the right course of action.</div><div class="gmail_extra"><br></div><div class="gmail_extra">Please take a look at the steps I thought of :</div><div class="gmail_extra"><br></div><div class="gmail_extra"> </div><div class="gmail_extra">r0 - is the only resource according to the config  ... so </div><div class="gmail_extra"><br></div><div class="gmail_extra">(On the node with bad disk)</div><div class="gmail_extra"><br></div><div class="gmail_extra">1- Replace bad disk and format as ext4 </div><div class="gmail_extra">2- IF the drive letter changes after the swapping with new disk (i.e  /dev/sdb instead of /dev/sdc) ... reflect that in the config file  (etc/drbd.d/r0.res)</div><div class="gmail_extra">3- Start drbd  services on the bad node (I manually stopped it)</div><div class="gmail_extra">4- Run the following commands:</div><div class="gmail_extra">bad-disk-node# drbdadm secondary all</div><div class="gmail_extra">bad-disk-node# drbdadm detach r0</div><div class="gmail_extra">bad-disk-node# drbdadm dstate r0</div><div class="gmail_extra">bad-disk-node# drbdadm create-md r0</div><div class="gmail_extra">bad-disk-node# drbdadm attach r0</div><div class="gmail_extra">bad-disk-node# drbdadm connect --discard-my-data all</div><div class="gmail_extra">watch cat /proc/drbd</div><div class="gmail_extra">4- When all is UpToDate</div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">(On the Good Node only ru)</div><div class="gmail_extra"><br></div><div class="gmail_extra">Good-node#drbdadm connect all</div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">do the above steps looks good to you/others?    should I proceed or am I missing/about to do something wrong?</div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">cheers!</div></div></div>