Mongodb data lost after restart. Still it did not start.

Mongodb data lost after restart I realized that the directory /data/db was missing(It was existing till yesterday). replset collection is empty. The instance experienced a bad shutdown (the cause of the shutdown has yet to be determined), and the recovery process, once completed, didn’t allow it to start again. After another node was elected as primary I have noticed that a lot of data is gone. Copy the data folder of your old mongodb location to the new location Sep 1, 2022 · when creating a bucket and storing some objects in it, after which restarting the container removes all the buckets and starts as new, all the data is getting lost. conf # for documentation of all options, se If you installed the MongoDB Agent using an rpm package, such as on RHEL, CentOS, or SUSE, issue the following command to restart the MongoDB Agent: sudo service mongodb-mms-automation-agent restart If you installed the MongoDB Agent using a deb package, as on Ubuntu, issue the following command to restart the MongoDB Agent: Starting in MongoDB 4. object(ofType: Gear. sock to MongoDB and applied chmod 777 to it as well. 1 docker on Mac. 713+0000 I STORAGE [initandlisten] exception in initAndListen: NonExistentPath: Data directory /data/db not found. Nov 20, 2022 · I am using MongoDB community edition on my localhost Ubuntu machine. Not new: How to set docker mongo data volume Jan 28, 2022 · Go to Task Manager / Services. Nov 27, 2017 · Stop the for loop after a second; then restart the slave node. Use a script Jun 15, 2012 · The result of that is /usr/local/var/mongodb. However, my MongoDB data was located at /var/lib/mongodb and had 105 files in it. Jan 18, 2017 · If a crash occurs, or even a reset, there are times when documents that are there, but fall into the "unconfirmed" category are lost. 2 - I Added a property in model B. Looking at the status graphs, I see a server restart event (red line) and a different replica chosen as primary on Oct 13. Still it did not start. However, I did not find /var/lib/mongodb in my running pod, and even after I changed the mongo deployment yaml to point to /var/lib/mongodb for the mountPath, the directory still only contained the lost+found/ folder. 11. On which media do you store the data. Stop MongoDB services sudo systemctl stop mongod. 0\data”. but when I’m using docker-compose down again, the data seems doesn’t persist. count() to check data in both slave and master nodes, with the results: master:20w; slave:15w; The slave node can catch up with the primary, but there is a lot of data lost from the slave. /mongo/data after restart? just thinking if the directory gets populated at all… Jan 25, 2021 · Below is the docker-compose. I am talking about the discord bot in this case. Why does MongoDB clears my /data/db folder? /data/ is a persistent volume, if I do a clean shutdown and restart my data is still in the db and data/db folder. Expected Behavior. log --logappend. [1] Aug 1, 2014 · sudo mongod --fork --logpath /var/log/mongodb. 2- I updated the schema in Realm. change(let properties): // The gear object has changed, handle the change // This could involve updating the UI or taking some other action case . [1] Jun 29, 2021 · By the looks of it, you did it correctly, can you see data in the . . If on tmpfs or RAM disk then it may be normal that you lose the data at reboot. I am sure it must not be very difficult to change on your image too. To scale up a replica set to a multi-sharded cluster, you must scale up to a single shard cluster first, restart your application and reconnect to the cluster, and then add additional shards. c. That will give you a standalone mongod. I have connected to it using node. 1. We have a replica set with 2 data nodes and an arbiter. shutdownServer() All MongoDB instances did shut down properly without any problems. 0, you can use the directShardOperations role to perform maintenance operations that require you to execute commands directly against a shard. 1- I removed a property in model A. There is a strange problem I am facing. You can reliably backup and restore MongoDB with Ops Manager for on prem deployments or with Apr 15, 2022 · Hello, Here is what happened. Feb 16, 2024 · After doing the rs. After I checked the docker log for the mongoDB container. we also have a local mongoDB running on the vps. How to fix this? My mongodb configuration apiVersion: apps/v1 kind:. When you restore from a backup, the restored database doesn't include any changes made after the backup was taken, which can result in data loss. May 31, 2016 · I’m using 1. You can't initiate a pause for M0 clusters. To traditional relational databases, where rollbacks are less likely to cause data loss, MongoDB® differs significantly. With this image, you can easily specify where mongo store its data with DATA_DIR env variable. 4 instance with several TB of data in it. Here is my mongod. ns, etc) Start mongoDB again (still using the new data directory) After completing these steps (took less than 5 min), I was up and running and all data appeared to be ok. I the mongo logs I have noticed a lot of errors Dec 17, 2021 · For store data you should mount named volume, folder or file to the container. If /data/db exists but were empty (which in this case would be bad obviously), it would start right up. Therefore if you just do mongod --repair , it will try to repair a database at /data/db , which is the wrong path. However, if I Generally, you should not manually remove the mongod. 226+0100 I STORAGE [initandlisten] WiredTiger message [1637311104:225994][5108: Jan 27, 2023 · Every time I restart the system the "/var/run/mongodb/" folder is deleted and mongodb cannot be started. Unable to restart. I make persistant volume for my MongoDB. Jun 29, 2021 · By the looks of it, you did it correctly, can you see data in the . 11 and 3. So I had to create it, and all my data was lost. Restart MongoDB service again (service mongodb start). A few days ago we started the repair process. Also our database is readonly which may make it less dangerous to do this. the volume is still there when I list them using docker volume ls but when re-running docker-compose up the data is gone. Process-fatal errors are situations where continuing may lead to dire outcomes like loss of data or corrupt data on disk. conf I can tell since, when I reboot my server and run mongod I get the following message: 2020-09-03T14:49:33. MongoDB lost all data after several day in AWS server. Unexpected shutdown of MongoDB. I have generated my jhipster app with mongodb database. After the Amazon server upgrade, I started the MongoDB instances in the following order Jun 12, 2019 · Hello, I know there was already a similar issue (#408 ), but unfortunately without a solution. What could cause this? All my data are still in Atlas, it seems that is a Sync problem. Now when I relaunch my app I am getting only 3 documents instead of 9. In MongoDB case try: docker run --rm -ti -v mongo_data:/data/db mongo bash Where mongo_data is a special Docker entity, that can be mounted as a folder into container. With Docker Compose, these anonymous volumes are re-used between invocations of docker-compose up and docker-compose down. The buckets and data should be persisted even after restart of the container. So I terminate sync et restart it. But every time I restart my system, the databases I created previously are gone. Hot Network Questions Jun 12, 2011 · If it won't start, it's likely mongodb is indicating that you need to run a repair because mongod. Backups provide a snapshot of the current state of the database. Local Deployments I created this container following this documentation mongo: container_name: mongo image: mongodb/atlas privileged: true command: | /bin/bash -c "atlas deployments setup MyLocalContainer --type l… Mar 18, 2015 · On my system (Fedora) I have "/var/log" on a tmpfs (ram), si each time I reboot everything on that partition gets lost. I found out there were people accessing the mongoDB and dropped all the collections time to time because the mongoDB port was freely to public ips and without password protection. How are you starting LocalStack? With a docker-compose file. Jan 4, 2017 · I shut down the MongoDB instances in this order: Secondary; Arbiter; Primary; I used the process below for shutting down each server. getSiblingDB("ff"). You need to share more details before you can blame MongoDB. No logs. Oct 2, 2015 · When I restart my app, all the data inside mongodb database is deleted. So One possible answer is to update MongoDB to a more current version. Break out of rigid, tabular data structures with flexible documents that map directly to objects in your code. But that would mean /data/db exists. How to prevent this? Mar 2, 2019 · I am running a mongoDB single node setup where I have multiple databases on it. Mar 30, 2019 · Cannot restart mongodb. Embed related data into a single document to increase performance and minimize computational cost. /mongo/data after restart? just thinking if the directory gets populated at all… Feb 16, 2024 · Why does MongoDB clears my /data/db folder? /data/ is a persistent volume, if I do a clean shutdown and restart my data is still in the db and data/db folder. 0000000006): 2021-11-19T09:38:24. I was running MongoDB Community Version 4. 0 admin. What could be causing this? Oct 24, 2018 · To repair the data files, start the mongod instance with the --repair option. When I create documents in the mongodb, it works, and the code reads everything. By limiting the number of tickets issued per second, the flow control mechanism attempts to keep the lag under the target. Output of “ls -l /tmp/mongodb-27017. According to the log generated while deletion, I got the confirmation that none of the files of the data directory was deleted. 0-rc4. I’m using M0 Sandbox. Make sure that mongod user has privileges to read / write from that directory chown mongod:mongod -R /data/mongoDB 4. sock” srwxrwxrwx 1 mongodb mongodb 0 Jun 4 18:42 /tmp/mongodb-27017. Issue a command similar to the following for your standalone: Upon completion, the dbpath should contain the repaired data files and an empty mongod. /mongo/data after restart? just thinking if the directory gets populated at all… Jun 12, 2011 · If it won't start, it's likely mongodb is indicating that you need to run a repair because mongod. /mongo/data after restart? just thinking if the directory gets populated at all… Sep 9, 2022 · We have a MongoDB v4. self, forPrimaryKey: gearId) // Add a transaction observer to the gear object let observerToken = gear?. If you don't restart the application clients, your data might be inconsistent once Atlas begins distributing data across shards. Fix: Allow CSRS members to be shut down. Mar 16, 2022 · Hi, We are using MongoDB 4. Aug 9, 2022 · you can also have multiple instances running for different purposes, so a single stop/restart command would just not work. It is still running, but has had no console/log updates in over a day, and neither top nor iotop show much activity You should export a copy of your data if you don't plan to use your Free cluster for an extended period of time. Before You Begin Starting in MongoDB 8. Create the missing directory or specify MongoDB removed support for the MMAPv1 storage engine in MongoDB 4. The solution is to create the /var/log/mongodb directory and set mongodb as owner every time the system reboots. Discards corrupt data. Using the Amazon AWS Console: created a snapshot of the volume where the mongodb data is stored for backup. Apr 10, 2023 · let gear = realm. How to prevent this? I am running a mongoDB single node setup where I have multiple databases on it. sock The document data model maps to how you think and code. Restore Database into a Single Node Replica Set With flow control enabled, as the lag grows close to the flowControlTargetLagSeconds, writes on the primary must obtain tickets before taking locks to apply writes. I am using latest Swift Aug 27, 2013 · I tried using the ehazlett/mongodb image and it worked fine. Different Atlas tiers have different connection limits; clusters of size M0/M2/M5, for example, are limited to 500 connections, and clusters of size M10 are limited to 1500 connections. Backing up your MongoDB deployment to prevent data loss is easy with MongoDB’s suite of management solutions. Apr 29, 2021 · If you wrote it, then you must know for sure. Even after the manual Jan 30, 2017 · Create new Database > do not add ANY data (collections / documents) yet > disconnect your mongodb client > re-connect to mongodb > boom, the new database disappears! And when there is some data added, it obviously doesn't auto remove the database. yml I have used. There we have three minecraft servers and one discord bot. Post a screenshot of Compass and before and after the delete. Jan 21, 2019 · I just had to do an emergency reboot of my linux server. Jan 22, 2016 · Please keep in mind that the data from the copied database was redundant and could be removed without causing data loss so this is a very specific case. On Mongo shell (run “mongo. 10 to 6. This typically happens when write operations are accepted by the primary node but have not been successfully replicated on secondary nodes before it steps down. Nov 20, 2022 · I am using MongoDB community edition on my localhost Ubuntu machine. Jan 6, 2022 · Below steps I followed to move the mongo db path from one location to other 1. This mean that your container automatically will restart after a reboot of your VM. We can help you be sure if you share the code. 11 Why is the collection suddenly empty? This has led to data loss which is By planning ahead and putting a backup and recovery plan in place for your deployment, you can restore operations without MongoDB data loss. I did it gracefully, not a hard reboot. deleted: // The Jun 4, 2024 · I also realized I didn’t mention that MongoDB had access to /data/db while it didn’t have access to /tmp/mongodb-27017. Automation Agent was unable to properly determine state if the process ID previously used by a MongoDB process was reclaimed by a different process after an unexpected server reboot. conf uses /var/lib/mongodb as the path. To learn more, see Restore Data From Paused M0 Cluster. As of February 2017, the most recent Jepsen analysis of MongoDB suggests that data loss was possible in all versions of MongoDB up to MongoDB 3. It was not starting. js mongoose library. Then run db. initiate( I can connect again but without any data. Locate your previous data dir and copy the files for your database(s) to your new data directory (example, admin. Stop and restart Mongodb service. Including in different containers at the same time. While noticing some degraded performance, the primary node of the replica set crashed and never restarted. Jan 19, 2024 · One of the major risks is data loss which may occur as a result. I don't understand why my rails c would connect to an empty db, and then connect to the full db after restart. In dire situations, you can remove the file, start the database using the possibly corrupt files, and attempt to recover data from the database. Then I gave the full command. Wait for the member to resync to the PRIMARY (rs. Is there a way to save my test results, even Sep 26, 2018 · Even though you are not declaring any volumes, the mongo image itself declares volumes for /data/db and /data/configdb in containers, which cover database data (see Dockerfile#L87). Other developers in my team has experienced similar problems earlier. use admin db. Oct 24, 2018 · Generally, you should not manually remove the mongod. I can see the correct data from all my databases except one. I could not find much on the reasons behind this. sock. status()). 4. You should see your old databases. /mongo/data after restart? just thinking if the directory gets populated at all… During this period, applications should stop all reads and writes to the cluster in order to prevent potential data loss or reading stale data. lock is present and has a certain state in /data/db. I have installed nfs-provisioner in my rancher cluster. My compose file contains this: api: build: . May 23, 2021 · Hello, I have been trying to recover my data store from the physical location. When I restart server or upgrade mongodb container all my data is lost. Suddenly, after about 2-3 hours, every single document i created, is deleted. Nov 6, 2020 · Thanks! I suspected that the data was not actually saving to the PV. 10 and accidentally deleted the /bin directory. Steps To Reproduce Feb 12, 2017 · So even when you delete your container and create a new mongo container linked with this volume your data will be loaded into the new container. Two things you should keep in mind is, one is that the docker that you are running should be exposing the -v and using this to store its data (mongodb does this, and so does most projects) and another the persistence volume path passed with -v should exist and the docker process should Oct 15, 2023 · One of the collections in Mongodb atlas has started showing zero documents from last 2 days (since Oct 13). Here is what I did: mkdir test; docker run -v `pwd`/test:/tmp/mongo -e DATA_DIR=/tmp/mongo ehazlett/mongodb Jun 8, 2021 · Hello, I am facing an issue with my MongoDB cluster. 0. The data only seems to go missing after a restart of the system. I have been gathering data through a node. lock file. If you later restart backups for replica set or cluster, Cloud Manager might perform an inital sync, depending on how much time has elapsed. Jun 12, 2011 · If it won't start, it's likely mongodb is indicating that you need to run a repair because mongod. I have the issue that after a restart (on my local machine) all projects and all data is deleted. observe { change in switch change { case . Creates empty/stub files for missing data/metadata files. Sep 5, 2012 · If you want to keep the data, but start outside a replica set, just restart the mongod process without the --replSet and on a different port. 2. system. I have checked the backups (mongo dump and oplogs) and no trace of data was found for the last days. 2. Mar 11, 2019 · You can run use -v to specify the volume against which you want your docker deployment to save your data. Oct 24, 2018 · To repair the data files, start the mongod instance with the --repair option. Instead, use the above procedure to recover the database. service 2. Its Jun 24, 2016 · In my understanding if no db path is given , mongo stores the data in data/db directory but how come pointing dapath to /usr/local/var/mongodb showed me docs which were under data/db directory earlier. MongoDB container got created, after some 6 to 8 hours of time the databases inside the mongo are getting cleared of automatically. I guess this is default behavior of mongodb, or may be the client i use (Robo 3T). Jan 21, 2019 · volumes: - mongo_data:/db/data volumes: mongo_data: external: true then I create the volume using docker volume create --name=mongo_data. Procedure Exceeding the connection limit for an Atlas cluster may occur for a number of reasons. conf file: # mongod. conf every time I reboot my server by running the command: mongod --config /etc/mongod. To be completely sure that the replica set configuration is gone from the instance, make sure that the local. Can then stop it and up it again, and the data is still there. 1 admin. Mar 31, 2012 · The mongod command, by default, uses /data/db as the default dbPath config setting whereas /etc/mongodb. 4, for the WiredTiger storage engine, mongod --repair: Rebuilds all indexes for collections with one or more inconsistent indexes. You could start/stop/restart multiple instances individually with systemctl if you create the appropriate systemd unit files. Run command “mongodump --db YourDbName” to get the dump. This will rebuild only the required (smaller) data files. [1] Mar 9, 2022 · I had the same problem for my testing/learning site the first time. I also see that the version has been upgraded from 6. Remove the data files on this member (cd /var/lib/mongodb; rm *). If you edit your deployment's configuration to change your storage engine to WiredTiger Storage Engine, Cloud Manager restarts the MongoDB processes. exe”) type “show dbs”. 0 running in Windows Server 2019 environment. So I copied the May 4, 2010 · Storage affecting field changes in a replica set could result in data loss if processes were restarted unexpectedly. 1 - beta 13. Many people to this because they have SSD drives and want to reduce the I/O (saving drive lifetime). So at the time the question was written (2012) the answer should've been yes, those criticisms were valid from theoretical perspective. Is it possible that my auto-start Mongo is different from running mongod after it crashes? – When you stop backups for a replica set or sharded cluster Cloud Manager stops taking new snapshots but retains existing snapshots until their listed expiration date. /service restart: always ports: - “4000:4000” links: - db:apidb db: image: mongo:latest restart: always volumes: - /data/db:/data/db I can docker-compose up and use the api to persist data in the linked mongodb container. Then repeat the above steps for each of the other members in the Replica Set. js app for a month, but when the server started up again, Mar 22, 2018 · The MongoDB Server Exception Architecture distinguishes between per-operation fatal errors and those that are fatal to the entire process. So far everything is fine. After restarting the service on one of the data nodes, it tried to recover, but complained about not finding a specific file (WiredTigerLog. Jan 11, 2024 · Hey, I own a vps. create a new directory in separate partition mkdir /data/mongoDB/mongo 3. I changed ownership of /tmp/mongodb-27017. Go back to your original data directory using "mongod --dbpath “C:\Program Files\MongoDB\Server\5. Why is this? Sep 6, 2020 · For some reason, I need to fork the mongod. You can also use the --restart=always option when you perform your initial docker run command. Then I got a warning about Sync. tmklfa yabwofp hsxf snwfrq cxsgs ccfchke myvzwdi jtnrq vad ryipvr cekay sbi tkhbs ydkv gxmuyv