SirTacoface Posted July 16, 2014 Report Share Posted July 16, 2014 So one lovey afternoon of playing some Minecraft I decided to build more on my parkour, I built a giant mountain and added redstone for puzzle parts and everything, it was crazy cool and I was having fun building it, but then the server did its reset thing... okay thats fine, happens... I relog back and its all gone. Everything I built was GONE. Enkription was building his thing and all of that went away as well as many other people complaining about their builds just going away. It was strange because I remember the map saved, is there a reason for all of this to happen? Quote Link to comment Share on other sites More sharing options...
kitcatbar Posted July 16, 2014 Report Share Posted July 16, 2014 I can't tell you why it happened, but going to ask you some things to help the techs see what went wrong. What day did this happen, and what time as well as timezone? Do you know about how much work you lost? By that I mean was it about 2 hours, so the entire period between restarts, or maybe a longer/shorter period of time? Quote Link to comment Share on other sites More sharing options...
SwitchViewz Posted July 16, 2014 Report Share Posted July 16, 2014 Not sure if related, but Creative has been having issues restarting lately. Several times in the past week it has restarted without coming back up and we've had to get a tech, and more recently when it does restart it takes a really long time to do so. Quote Link to comment Share on other sites More sharing options...
SirTacoface Posted July 16, 2014 Author Report Share Posted July 16, 2014 I can't tell you why it happened, but going to ask you some things to help the techs see what went wrong. What day did this happen, and what time as well as timezone? Do you know about how much work you lost? By that I mean was it about 2 hours, so the entire period between restarts, or maybe a longer/shorter period of time? Ah this happened CET at around 10 this morning, so if you are in america, that would be around 1 in the morning for you. Gaberios17 also mentioned this happened once last week but didnt say exactly when. I lost about 20 minutes of work, well everyone did, we were all disappointed after the server reset, however, some of the work during that time was still there, it was only the last 20 minutes. I hope that makes sense. Not sure if related, but Creative has been having issues restarting lately. Several times in the past week it has restarted without coming back up and we've had to get a tech, and more recently when it does restart it takes a really long time to do so. Yes, I've been present when that happens, and it happens quite a lot. This morning it did that but only for an extra minute I believe, I think you were there for that one. Also happened a few times later where its delayed. Quote Link to comment Share on other sites More sharing options...
GMMan Posted July 19, 2014 Report Share Posted July 19, 2014 BTW, I've heard reports of this happening a couple of weeks ago when I was on, so it's not something that just popped up. Interesting to note, it seems not everyone loses all their work. At the time I was present, I think most, if not all of my changes were saved, but some others had 5-10 minutes of work undone. Quote Link to comment Share on other sites More sharing options...
EeHee2000 Posted July 19, 2014 Report Share Posted July 19, 2014 Yeah, this has been frustrating, at times the entire Creative server simply dies for a bit, and we have to wait/get a tech to get a tech to fix, which in my opinion shouldn't be happening at all. Just my two cents. Quote Link to comment Share on other sites More sharing options...
slide Posted July 19, 2014 Report Share Posted July 19, 2014 I'm actively trying to figure out why the servers all of a sudden seem to be stalling on reboots, it seems to only really be affecting c and s but it's a hard issue to debug. I hadn't heard about any kind of rollbacks though before this thread so next time it happens, or if you can remember a specific time it already has please get me the following information: exact time of build, exact time of restart, approx length of rollback, exact location in the world so I can look into it some more. Quote Link to comment Share on other sites More sharing options...
SirTacoface Posted July 19, 2014 Author Report Share Posted July 19, 2014 Alright Slide, will do. I also told my friends and the whoever was online at the time to do the same. Quote Link to comment Share on other sites More sharing options...
kittypuppet Posted July 19, 2014 Report Share Posted July 19, 2014 Are each of the servers hosted on separate machines? If so, I'd look into it being a possible hardware issue. If they're on one of those sites that hosts stuff for you, I'd contact them and have them take a look. Actually, even if they weren't on separate machines I'd look into hardware just to be on the safe side. Quote Link to comment Share on other sites More sharing options...
SirTacoface Posted July 19, 2014 Author Report Share Posted July 19, 2014 Update: Everyone crashed and went to the lobby and then rejoined and some things were slightly gone (approx 20 blocks off my build and 1 minute lost from someone elses), this time not as much. (thankfully). Happened according to Aypop at 4:01 A.M. EST, most of us were at spawn if that matters. there were about 6 people on, 4 of us at spawn, 2 spread out in the world. (I was watching the livemap). Hopefully this helps a little. Quote Link to comment Share on other sites More sharing options...
Difficult1 Posted July 20, 2014 Report Share Posted July 20, 2014 Are each of the servers hosted on separate machines? If so, I'd look into it being a possible hardware issue. If they're on one of those sites that hosts stuff for you, I'd contact them and have them take a look. Actually, even if they weren't on separate machines I'd look into hardware just to be on the safe side. I believe all 3 servers are hosted on the same box Quote Link to comment Share on other sites More sharing options...
SirTacoface Posted July 20, 2014 Author Report Share Posted July 20, 2014 I believe all 3 servers are hosted on the same box Secure Servers in Pheonix, Arizona, I think it's all one place... Quote Link to comment Share on other sites More sharing options...
SwitchViewz Posted July 20, 2014 Report Share Posted July 20, 2014 http://redditpublic.com/wiki/Server Quote Link to comment Share on other sites More sharing options...
SirTacoface Posted July 20, 2014 Author Report Share Posted July 20, 2014 http://redditpublic.com/wiki/Server There we go, thanks! :P And Update: The server timed out and we rejoined and a few blocks were missing from everyones build, wasn't drastic so I assume that was just normal lag though. This happened at 12 CET and I was in the pixel art valley if that helps. Quote Link to comment Share on other sites More sharing options...
coolgamerovr90 Posted July 20, 2014 Report Share Posted July 20, 2014 (edited) Are each of the servers hosted on separate machines? If so, I'd look into it being a possible hardware issue. If they're on one of those sites that hosts stuff for you, I'd contact them and have them take a look. Actually, even if they weren't on separate machines I'd look into hardware just to be on the safe side. They are all on the same box remotely hosted. They use mark2 and bungee to manage 3 servers all in one place.I have seen rollbacks on nerd.nu before, but it was due to severe lag on chaos. I believe if a server crashes it auto restarts, so if C crashed for example, it would start again and load the last saved changes, usually from a couple minutes ago. Tech admins might be able to restore a lost build if a server did a backup, that "Map Saving" message in chat. Edited July 20, 2014 by coolgamerovr90 Quote Link to comment Share on other sites More sharing options...
XkinOEC Posted July 20, 2014 Report Share Posted July 20, 2014 I have seen rollbacks on nerd.nu before, but it was due to severe lag on chaos. I believe if a server crashes it auto restarts, so if C crashed for example, it would start again and load the last saved changes, usually from a couple minutes ago. Tech admins might be able to restore a lost build if a server did a backup, that "Map Saving" message in chat. No, the map is constantly saving, however if some sort of hacking problems were to arise, the "map saving" is taking a copy of the map to put in another location. if C were to crash, it should not loose more than a minutes worth of work, unless the server was once again hanging, but players remain able to interact client side(which happens right before these mysterious crashes.) As far as I can tell its the same problem we were having 2 years ago, where chat on the server worked perfectly, but placing blocks does not. Quote Link to comment Share on other sites More sharing options...
SirTacoface Posted July 21, 2014 Author Report Share Posted July 21, 2014 No, the map is constantly saving, however if some sort of hacking problems were to arise, the "map saving" is taking a copy of the map to put in another location. if C were to crash, it should not loose more than a minutes worth of work, unless the server was once again hanging, but players remain able to interact client side(which happens right before these mysterious crashes.) As far as I can tell its the same problem we were having 2 years ago, where chat on the server worked perfectly, but placing blocks does not. The chat working and placing blocks does not happened last week if I remember correctly. Switchviewz was on when that happened and no commands would work too. It was quite strange. But one more update: Server crashed again at the same exact time it did yesterday (ive been keeping track in my head) so I don't know if its a coincidence but it happened. I lost the same amount of work as well... Quote Link to comment Share on other sites More sharing options...
kittypuppet Posted July 23, 2014 Report Share Posted July 23, 2014 I wonder if a DDoS could cause something like this? As far as I can tell its the same problem we were having 2 years ago, where chat on the server worked perfectly, but placing blocks does not. What did you guys do to solve it when it happened then? Quote Link to comment Share on other sites More sharing options...
SwitchViewz Posted July 23, 2014 Report Share Posted July 23, 2014 Unsure if any work was lost but Creative did fail to restart at the 4PM PST restart today. A Tech had to bring it back up. Also, a player reported to me that during the 3PM EST restart today he lost a entire floor worth of work. Quote Link to comment Share on other sites More sharing options...
slide Posted July 24, 2014 Report Share Posted July 24, 2014 When the server restarts it saves the map before shutting down. Lately when the servers have been getting stuck, it has been when they are coming back up so no data loss should be happening then. A DoS attack cannot cause server data loss, it cab cause your connection to time out and maybe a minute or so of your blocks being placed won't get trough to the server, but you most likely will notice nothing happening on the server in that time period, In order to debug these reports I need exact times (date, hour, minute) and locations (x,y,z) of any missing blocks. Quote Link to comment Share on other sites More sharing options...
Dumbo52 Posted July 24, 2014 Report Share Posted July 24, 2014 This is continuing to occur. The server rolled back around 30 minutes when it came back up after the restart at around 5:02 PM EDT on July 24th. Some rolled back blocks included some stuff I was working on at (-201,66,2694). Since LB retains the block logs, I was able to redo players' edits since the rollback, but this is still a big problem. Quote Link to comment Share on other sites More sharing options...
GMMan Posted July 25, 2014 Report Share Posted July 25, 2014 Thoughts on troubleshooting: either the server's crashing, or someone's forgetting to flush at the end of a write operation. Say, how is the server being rebooted? A script, or some built-in feature? If the former, is the script merely killing the server or is it nicely notifying the server and leaving the server to tidy up? Also, how's the autosave triggered? With a plugin, script, or CraftBukkit builtin? Quote Link to comment Share on other sites More sharing options...
Dumbo52 Posted July 25, 2014 Report Share Posted July 25, 2014 Another rollback on C when the server came back up at 7:03 PM EDT. At least 10 minutes, probably more. Some blocks that were rolled back are in the area around (-1794,64,2054). Would it be a good idea to force a save a few minutes before each restart, so that while we can still report when this happens and continue to debug the problem, the rollbacks won't be quite as devastating? Quote Link to comment Share on other sites More sharing options...
slide Posted July 26, 2014 Report Share Posted July 26, 2014 The map saves before it shuts down and there haven't been any errors in the log files from that, or when the server restarts. The next time it happens, please don't redo the area so that I can do some testing on it. Quote Link to comment Share on other sites More sharing options...
kittypuppet Posted July 26, 2014 Report Share Posted July 26, 2014 The map saves before it shuts down and there haven't been any errors in the log files from that, or when the server restarts. The next time it happens, please don't redo the area so that I can do some testing on it. If this happens to me again, would you like me to just leave the area alone and not fix it myself? Also maybe some of the chunks are corrupted? Quote Link to comment Share on other sites More sharing options...
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