[Bugs] [Bug 1664215] Toggling Read ahead translator off causes some clients to umount some of its volumes

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1664215

Amgad <amgad.saleh at nokia.com> changed:

           What    |Removed                     |Added
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              Flags|needinfo?(amgad.saleh at nokia |
                   |.com)                       |
                   |needinfo?(atumball at redhat.c |
                   |om)                         |



--- Comment #2 from Amgad <amgad.saleh at nokia.com> ---
Thanks Nithya:

It is the "readdir-ahead" translator. Yes the client loses access to the volume
and we saw the graph switch messages.
For instance in the attached logs, you can see:
-------
[2019-01-04 04:55:51.453074] I [fuse-bridge.c:4835:fuse_graph_sync] 0-fuse:
switched to graph 4
[2019-01-04 04:55:51.454990] I [MSGID: 114021] [client.c:2369:notify]
2-el_data-client-0: current graph is no longer active, destroying rpc_client
[2019-01-04 04:55:51.455028] I [MSGID: 114021] [client.c:2369:notify]
2-el_data-client-1: current graph is no longer active, destroying rpc_client
[2019-01-04 04:55:51.455037] I [MSGID: 114018]
[client.c:2285:client_rpc_notify] 2-el_data-client-0: disconnected from
el_data-client-0. Client process will keep trying to connect to glusterd until
brick's port is available
[2019-01-04 04:55:51.455080] I [MSGID: 114018]
[client.c:2285:client_rpc_notify] 2-el_data-client-1: disconnected from
el_data-client-1. Client process will keep trying to connect to glusterd until
brick's port is available
--------

Regards,
Amgad

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