<div dir="ltr"><div><div>Hi,</div><div><br></div><div>I was able to add bricks to the volume successfully. </div><div>Client was reading, writing and listing data from mount point. </div><div>But after adding bricks I had issues in folder listing (not listing all folders or returning empty folder list) and write was interrupted.</div><div>remounting volume has solved the issue and now working fine.</div><div><br></div><div>I was under the impression that running rebalance would cause folder listing issue but now adding brick itself created a problem.</div><div>It's irrelevant whether client busy or idle need to remount to solve the issue.</div><div><br></div><div>Also, i would like to know using brick in a volume without fix-layout cause folder listing slowness.</div><div><br></div><div><br></div><div>Below a snippet of log from client when this happened. let me know if you any more additional info.</div><div><br></div><div>Client and Servers are 3.10.1, volume mounted thru fuse.</div><div><br></div><div>Machine busy downloading & uploading</div><div><br></div><div>[2017-04-05 13:39:33.487176] I [MSGID: 114021] [client.c:2361:notify] 0-gfs-vol-client-1107: current graph is no longer active, destroying rpc_client</div><div>[2017-04-05 13:39:33.487196] I [MSGID: 114021] [client.c:2361:notify] 0-gfs-vol-client-1108: current graph is no longer active, destroying rpc_client</div><div>[2017-04-05 13:39:33.487201] I [MSGID: 114018] [client.c:2276:client_rpc_notify] 0-gfs-vol-client-1107: disconnected from gfs-vol-client-1107. Client process will keep trying to connect to glusterd until brick's port is available</div><div>[2017-04-05 13:39:33.487212] I [MSGID: 114021] [client.c:2361:notify] 0-gfs-vol-client-1109: current graph is no longer active, destroying rpc_client</div><div>[2017-04-05 13:39:33.487217] I [MSGID: 114018] [client.c:2276:client_rpc_notify] 0-gfs-vol-client-1108: disconnected from gfs-vol-client-1108. Client process will keep trying to connect to glusterd until brick's port is available</div><div>[2017-04-05 13:39:33.487232] I [MSGID: 114018] [client.c:2276:client_rpc_notify] 0-gfs-vol-client-1109: disconnected from gfs-vol-client-1109. Client process will keep trying to connect to glusterd until brick's port is available</div><div><br></div><div><br></div><div>Idle system</div><div><br></div><div>2017-04-05 13:40:07.692336] I [MSGID: 114035] [client-handshake.c:202:client_set_lk_version_cbk] 2-gfs-vol-client-1065: Server lk version = 1</div><div>[2017-04-05 13:40:07.692383] I [MSGID: 114035] [client-handshake.c:202:client_set_lk_version_cbk] 2-gfs-vol-client-995: Server lk version = 1</div><div>[2017-04-05 13:40:07.692430] I [MSGID: 114035] [client-handshake.c:202:client_set_lk_version_cbk] 2-gfs-vol-client-965: Server lk version = 1</div><div>[2017-04-05 13:40:07.692485] I [MSGID: 114035] [client-handshake.c:202:client_set_lk_version_cbk] 2-gfs-vol-client-1075: Server lk version = 1</div><div>[2017-04-05 13:40:07.692532] I [MSGID: 114035] [client-handshake.c:202:client_set_lk_version_cbk] 2-gfs-vol-client-1025: Server lk version = 1</div><div>[2017-04-05 13:40:07.692569] I [MSGID: 114035] [client-handshake.c:202:client_set_lk_version_cbk] 2-gfs-vol-client-1055: Server lk version = 1</div><div>[2017-04-05 13:40:07.692620] I [MSGID: 114035] [client-handshake.c:202:client_set_lk_version_cbk] 2-gfs-vol-client-955: Server lk version = 1</div><div>[2017-04-05 13:40:07.692681] I [MSGID: 114035] [client-handshake.c:202:client_set_lk_version_cbk] 2-gfs-vol-client-1035: Server lk version = 1</div><div>[2017-04-05 13:40:07.692870] I [MSGID: 114035] [client-handshake.c:202:client_set_lk_version_cbk] 2-gfs-vol-client-1045: Server lk version = 1</div></div><div><br></div><div><br></div><div>Regards,<br></div><div>Amudhan <br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Apr 4, 2017 at 4:31 PM, Amudhan P <span dir="ltr"><<a href="mailto:amudhan83@gmail.com" target="_blank">amudhan83@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">I mean time takes for listing folders and files? because of "rebalance fix layout" was not done.<div><div class="gmail-h5"><br><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Apr 4, 2017 at 1:51 PM, Amudhan P <span dir="ltr"><<a href="mailto:amudhan83@gmail.com" target="_blank">amudhan83@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Ok, good to hear. </div><div><br></div><div>will there be any impact in listing folder and files?.</div><div><div class="gmail-m_5796374471993511236h5"><div><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Apr 4, 2017 at 1:43 PM, Nithya Balachandran <span dir="ltr"><<a href="mailto:nbalacha@redhat.com" target="_blank">nbalacha@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><span>On 4 April 2017 at 12:33, Amudhan P <span dir="ltr"><<a href="mailto:amudhan83@gmail.com" target="_blank">amudhan83@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi,<div><br></div><div>I have a query on rebalancing.</div><div><br></div><div>let's consider following is my folder hierarchy.</div><div><br></div><div>parent1-fol (parent folder)<br></div><div> |_ </div><div> class-fol-1 ( 1 st level subfolder)</div><div> |_ </div><div> A ( 2 nd level subfolder)</div><div> |_</div> childfol-1 (child folder created every time before writing files)<div><br></div><div><br></div><div>Now, I have a running cluster with 3.10.1 with disperse volume and I am planning to expand cluster by adding bricks.</div><div><br></div><div>will there be a problem using newly added bricks without doing a "rebalance fix layout" other than existing files cannot be rebalanced to new brick and files created under existing folder will not go to new brick?.</div><div><br></div><div>I tested above case in my test setup and observed files created under new folder goes to new brick. and I don't see any issue on listing files and folder.</div><div><br></div><div>so, My case is we create child folder every time before creating files.<br></div><div><br></div><div>The reason to avoid rebalance is I have more than 10000 folders across 1080 bricks. so triggering rebalance will take a long time and in my previous expansion in 3.7 was not able to access some folders randomly until fix layout completes.</div><div><br></div></div></blockquote><div><br></div></span><div>It sounds like you will not need to run a rebalance or fix-layout for this. It should work fine.</div><div><br></div><div>Regards,</div><div>Nithya</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div></div><div><br></div><div>regards</div><span class="gmail-m_5796374471993511236m_-7525834471062794986m_1920657366986560561HOEnZb"><font color="#888888"><div>Amudhan</div><div><br></div><div><br></div></font></span></div>
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