<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif">Hi,<br></div><div class="gmail_default" style="font-family:verdana,sans-serif">I have also noticed that after a while, the folder I have delete previously on the secondo node appear again but.. in a strange form:<br><br><br>??????????? ? ? ? ? ? web<br>drwxr-xr-x. 8 501 501 97 Sep 15 17:09 services/<br><br><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">Has you can see, the folder seems to exist but I can't access it at all.<br><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">Is it a normal behaviour?<br><br><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">Thanks<br></div><div class="gmail_default" style="font-family:verdana,sans-serif"><br><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">2016-10-04 10:58 GMT-04:00 Romain Pelissier <span dir="ltr"><<a href="mailto:romain.pelissier@gmail.com" target="_blank">romain.pelissier@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif">Hi,<br></div><div class="gmail_default" style="font-family:verdana,sans-serif">So first, sorry if you foud this question basic but I am very new to drbd. Second, maybe it's perfectly normal but in this case, I will need some advices from you gyus :)<br><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">Here is my situation:<br><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">I use 8.4.7-1 on RHEL 6.5 (2.6.32-642.4.2.el6.x86_64) on my 2 nodes. I use drbd with this scenario:<br><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">I have an lvm partition formatted as xfs.<br></div><div class="gmail_default" style="font-family:verdana,sans-serif"> This partition contain ma application database (several Gigs).<br></div><div class="gmail_default" style="font-family:verdana,sans-serif">I want to use drbd to have a copy of the partition on the remote node.<br><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">Here is my conf:<br><br>cat /etc/drbd.d/backup.res<br>global { usage-count no; }<br>common { syncer { rate 1000M; } }<br>resource rc0 {<br> protocol C;<br> startup {<br> wfc-timeout 15;<br> degr-wfc-timeout 60;<br> }<br> net {<br> cram-hmac-alg sha1;<br> shared-secret "secret2secret";<br> }<br> on esm65 {<br> device /dev/drbd0;<br> disk /dev/vg0/lv_arc;<br> address <a href="http://172.31.254.27:7788" target="_blank">172.31.254.27:7788</a>;<br> #meta-disk internal;<br> #flexible-meta-disk /dev/vg0/lv_drdb_md;<br> meta-disk /dev/vg0/lv_drdb_md;<br> }<br> on phpesmbck01 {<br> device /dev/drbd0;<br> disk /dev/vg0/lv_arc;<br> address <a href="http://172.31.254.19:7788" target="_blank">172.31.254.19:7788</a>;<br> #meta-disk internal;<br> #flexible-meta-disk /dev/vg0/lv_drdb_md;<br> meta-disk /dev/vg0/lv_drdb_md;<br> }<br>}<br><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">The first sync works fine. To test it once completed, I stop drbd on thr second node, mount /dec/vg0/lv_arc on a folder and I can see the folders.<br></div><div class="gmail_default" style="font-family:verdana,sans-serif">Perferct!<br></div><div class="gmail_default" style="font-family:verdana,sans-serif">But..<br></div><div class="gmail_default" style="font-family:verdana,sans-serif">For the fun of it, I have renoved a folder on the secondary node drbd partition (drbd was stop at that time). then umount it and start drbd process.<br></div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">I check this<br><br>cat /proc/drbd<br>version: 8.4.7-1 (api:1/proto:86-101)<br>GIT-hash: 3a6a769340ef93b1ba2792c6461250<wbr>790795db49 build by mockbuild@Build64R6, 2016-01-12 13:27:11<br> 0: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r-----<br> ns:72054328 nr:0 dw:19012784 dr:59035232 al:1170 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:0<br><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">So, everything seems to be up to date.<br></div><div class="gmail_default" style="font-family:verdana,sans-serif">But If I stop the seocndary node, mount the lvm in a folder, the folder that I have deleted earlier is not there but it exists on the primary node.<br><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">Is it normal in this case that the status is UpToDate/UpToDate? How can I be sure that the 2 partition are really in sync?<br><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">Thanks for your explanation!<span class="HOEnZb"><font color="#888888"><br><br></font></span></div><span class="HOEnZb"><font color="#888888"><div class="gmail_default" style="font-family:verdana,sans-serif">Romain<br></div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div></font></span></div>
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