<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hello,<div><br><div><div>ÔÚ 2010-11-19£¬ÉÏÎç3:21£¬ Thomas Johansson дµÀ£º</div><br><blockquote type="cite"><div><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote></div></blockquote><div><br></div>...</div><div><br><blockquote type="cite"><div><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">I accidentally added an ost using an fsname belonging to another fs than<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">what was intended.<br></blockquote></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">I am not sure I understand - Do you have multiple filesystems sharing the<br></blockquote><blockquote type="cite">same MGS?<br></blockquote><br>Yes 5 filesystems on 4 OSS:s and 2 MDS in active/passive failover.<br>Some 100 TB of space in total.<br></div></blockquote><div><br></div><div>Probably you misunderstood me. You seems to be using 1 filesystem(MDSx2/OSSx4) with 5 clients.</div><div>Making 5 lustre filesystems out of 4OSS/2MDS is a mission-impossible.</div><br><blockquote type="cite"><div><font class="Apple-style-span" color="#006312"><br></font></div></blockquote><div><br></div>...</div><div><br><blockquote type="cite"><div><br>The deactivation part has already been done, on all parts.<br>As this was a mistake, I simply want the presence of the ost/osc out,<br>not ever showing up again. Now it's showing up as INACTIVE as a part<br>of the filesystem I mistakingly added it to.<br>As it seems, this can't be done. Or can it?<br></div></blockquote><blockquote type="cite"><div><font class="Apple-style-span" color="#000000"><br></font></div></blockquote><div><div><font class="Apple-style-span" color="#000000"><br></font></div></div><div>An OST can only be deactivated rather than being removed so that later on you can reactivate it.</div><div>Currently there is no way to really remove an OST from the system as there involves complicated steps that can not be done in an 'atomic' way.</div><div>If you are very uncomfortable with the INACTIVE message, you can shutdown your filesystem and do writeconf on all your server targets, then restart them in proper order to regenerate the configuration logs. Make sure you have all your files/data striped over the inactive ost are moved out before that. Note that writeconf is not designed for this purpose so please use it with caution.</div><div><br></div><div><br></div></div></div></body></html>