No performance benefit from enabling csums-alg

We are testing to see if enabling csums-alg would reduce resync times when we have to clear metadata or invalidate a node I have a Primary (P) and two secondaries (S1, S2) S2 is disabled (off) to simplify interactions.  When do any of the following I see no appreciable difference in the time

Re: Usynced blocks if replication is interrupted during initial sync

: Philipp Reisner Sent: Thursday, April 4, 2024 1:06 PM To: Tim Westbrook Cc: drbd-user@lists.linbit.com Subject: Re: Usynced blocks if replication is interrupted during initial sync   [Caution - External] Hello Tim, We were able to write a reproducer test case and fix this regression with this commit

Re: Usynced blocks if replication is interrupted during initial sync

? Thanks so much for your help Cheers, Tim From: Joel Colledge Sent: Wednesday, March 20, 2024 12:02 AM To: Tim Westbrook Cc: drbd-user@lists.linbit.com Subject: Re: Usynced blocks if replication is interrupted during initial sync   [Caution - External] > We are still seeing the is

Re: Usynced blocks if replication is interrupted during initial sync

Please ignore my Question, I just saw the response from Philipp From: Tim Westbrook Sent: Monday, April 15, 2024 7:09 PM To: Joel Colledge Cc: drbd-user@lists.linbit.com Subject: Re: Usynced blocks if replication is interrupted during initial sync Hi Joel I

after drbd down , is it safe to mount underlying device

Hi,  Small question regarding the underlying disk If on the primary, and I started drbd on a disk with existing data, some time later I unmount and I down drbd Can I directly mount the disk again without risk of corruption? or once drbd always drbd? Cheers, Tim

Re: Usynced blocks if replication is interrupted during initial sync

Thank you! From: Philipp Reisner Sent: Thursday, April 4, 2024 1:06 PM To: Tim Westbrook Cc: drbd-user@lists.linbit.com Subject: Re: Usynced blocks if replication is interrupted during initial sync [Caution - External] Hello Tim, We were able to write

Re: Usynced blocks if replication is interrupted during initial sync

0 message here 22. drbdadm verify persist - fails many blocks From: Joel Colledge Sent: Wednesday, March 20, 2024 12:02 AM To: Tim Westbrook Cc: drbd-user@lists.linbit.com Subject: Re: Usynced blocks if replication is interrupted during initial sync   [Caution - External] > We are

Re: Usynced blocks if replication is interrupted during initial sync

0:: [ 545.063831] drbd persist/0 drbd0 node-2: Resync done (total 1 sec; paused 0 sec; 147708 K/sec) [ 545.063847] drbd persist/0 drbd0 node-2: pdsk( Inconsistent -> UpToDate ) repl( SyncSource -> Established ) [resync-finished] ``` From: Joel

Usynced blocks if replication is interrupted during initial sync

A follow up to my previous message, we are still seeing unsynced blocks on re-connect, and it happens with just a single secondary 1. Create config on primary with only 1 node (itself) as primary 2. Add another node by modifying the primary config file , and performing an adjust 3. Update the

Blocks fail to sync if connection lost during initial sync

Hi I am running into an issue with disconnect during initial sync not resuming sync after reconnecting While using drbd 9.2.7, primary and two secondaries, the primary has existing data that I need to preserve The mesh is such that all nodes can reach all other nodes 1. After adding the new