<div dir="ltr">Hello,<br><br>I have two servers running in high availability..<br>here is the info of the first server :<br><br>OS : Ubuntu 18.04.2 LTS<br>#drbdadm --version<br>DRBDADM_BUILDTAG=GIT-hash:\ 38a99411a8fcb883214a5300ad0ce1ef7ca37730\ build\ by\ buildd@lgw01-amd64-016\,\ 2019-05-27\ 12:45:18<br>DRBDADM_API_VERSION=2<br>DRBD_KERNEL_VERSION_CODE=0x090012<br>DRBD_KERNEL_VERSION=9.0.18<br>DRBDADM_VERSION_CODE=0x090900<br>DRBDADM_VERSION=9.9.0<br><br>here is the info of the second server after update :<br><br>OS : Ubuntu 20.04.6 LTS<br># drbdadm --version<br>DRBDADM_BUILDTAG=GIT-hash:\ e267c4413f7cb3d8ec5e793c3fa7f518e95f23b1\ build\ by\ buildd@lcy02-amd64-101\,\ 2023-03-14\ 09:57:26<br>DRBDADM_API_VERSION=2<br>DRBD_KERNEL_VERSION_CODE=0x090202<br>DRBD_KERNEL_VERSION=9.2.2<br>DRBDADM_VERSION_CODE=0x091701<br>DRBDADM_VERSION=9.23.1<br><br>drbd config :<br><br>#cat /etc/drbd.d/alfresco.conf<br>resource alfresco {<br>  handlers {<br>#    before-resync-target &quot;/usr/lib/drbd/snapshot-resync-target-lvm.sh&quot;;<br>#    after-resync-target &quot;/usr/lib/drbd/unsnapshot-resync-target-lvm.sh&quot;;<br>  }<br>  on storage1 {<br>    device /dev/drbd5;<br>    disk /dev/datavg/alfresco;<br>    node-id 10;<br>    address   <a href="http://10.50.20.1:7004">10.50.20.1:7004</a>;<br>    meta-disk internal;<br>  }<br>  on storage2 {<br>    device /dev/drbd5;<br>    disk /dev/datavg/appli;<br>    node-id 11;<br>    address   <a href="http://10.50.20.2:7004">10.50.20.2:7004</a>;<br>    meta-disk internal;<br>  }<br>}<br><br># cat /etc/drbd.d/global_common.conf<br>global {<br>        usage-count yes;<br>        udev-always-use-vnr;<br>}<br><br>common {<br>        handlers {<br>                 split-brain &quot;/usr/lib/drbd/notify-split-brain.sh root&quot;;<br>        }<br>        net {<br>         after-sb-0pri discard-zero-changes;<br>         after-sb-1pri discard-secondary;<br>         after-sb-2pri disconnect;<br>                 data-integrity-alg crc32c;<br>                 timeout 90;<br>                   ping-timeout 20;<br>                   ping-int 15;<br>                   connect-int 10;<br>        }<br>}<br><br><br>order placed after update :<br><br><br>#drbdadm create-md appli<br>#drbdadm up appli<br><br>the synchro is launched I was able to follow the progress but arrived at 100% here is the status of the servers:<br><br>storage1 :<br># drbdadm status alfresco<br>alfresco role:Primary<br>  disk:UpToDate<br>  storage2 role:Secondary<br>    replication:SyncSource peer-disk:Inconsistent<br><br># drbdsetup status --verbose --statistics alfresco<br>alfresco node-id:10 role:Primary suspended:no<br>    write-ordering:flush<br>  volume:0 minor:5 disk:UpToDate quorum:yes<br>      size:536854492 read:423078021 written:419423956 al-writes:9640 bm-writes:0 upper-pending:0 lower-pending:0<br>      al-suspended:no blocked:no<br>  storage2 node-id:11 connection:Connected role:Secondary congested:no ap-in-flight:0 rs-in-flight:0<br>    volume:0 replication:SyncSource peer-disk:Inconsistent resync-suspended:no<br>        received:0 sent:421584224 out-of-sync:0 pending:0 unacked:0<br>                <br>storage2 :<br><br># drbdadm status alfresco<br>alfresco role:Secondary<br>  disk:Inconsistent<br>  storage1 role:Primary<br>    replication:SyncTarget peer-disk:UpToDate<br>        <br># drbdsetup status --verbose --statistics alfresco<br>alfresco node-id:11 role:Secondary suspended:no force-io-failures:no<br>    write-ordering:flush<br>  volume:0 minor:5 disk:Inconsistent backing_dev:/dev/datavg/alfresco quorum:yes<br>      size:536854492 read:0 written:421584224 al-writes:14 bm-writes:6112 upper-pending:0 lower-pending:0<br>      al-suspended:no blocked:no<br>  storage1 node-id:10 connection:Connected role:Primary congested:no ap-in-flight:0 rs-in-flight:0<br>    volume:0 replication:SyncTarget peer-disk:UpToDate resync-suspended:no<br>        received:421584224 sent:0 out-of-sync:0 pending:0 unacked:0<br>                <br>                <br>and while I haven&#39;t had any logs concerning drbd on storage1 since the start of the sync, I have on storage2 these logs in a loop :<br><br>Mar 22 10:22:31 storage2 kernel: [ 4713.898381] INFO: task drbd_s_alfresco:2104 blocked for more than 120 seconds.<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898465]       Tainted: G           OE     5.4.0-144-generic #161-Ubuntu<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898530] &quot;echo 0 &gt; /proc/sys/kernel/hung_task_timeout_secs&quot; disables this message.<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898604] drbd_s_alfresco D    0  2104      2 0x80004000<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898609] Call Trace:<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898624]  __schedule+0x2e3/0x740<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898633]  ? update_load_avg+0x7c/0x670<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898641]  ? sched_clock+0x9/0x10<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898648]  schedule+0x42/0xb0<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898656]  rwsem_down_write_slowpath+0x244/0x4d0<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898663]  ? put_prev_entity+0x23/0x100<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898675]  down_write+0x41/0x50<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898703]  drbd_resync_finished+0x97/0x7c0 [drbd]<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898735]  ? drbd_cork+0x64/0x70 [drbd]<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898754]  ? wait_for_sender_todo+0x21e/0x240 [drbd]<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898777]  w_resync_finished+0x2c/0x40 [drbd]<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898795]  drbd_sender+0x13e/0x3d0 [drbd]<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898827]  drbd_thread_setup+0x87/0x1d0 [drbd]<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898836]  kthread+0x104/0x140<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898861]  ? drbd_destroy_connection+0x150/0x150 [drbd]<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898866]  ? kthread_park+0x90/0x90<br>Mar 22 10:22:31 storage2 kernel: [ 4713.898873]  ret_from_fork+0x1f/0x40<br><br><br>I need help please.<br></div>