![]() tgz release that corresponds to your server's CPU architecture. Visit the MongoDB official download website, and download the. Download MongoDB: The macOS UniFi installer does not include the mongo binary. For repair purposes, we will call this directory /repair. Working Directory: Create a temporary working directory. If you still have suspected database issues please contact Ubiquiti Support.ġ. This can be changed with: chown -R unifi:unifi /usr/lib/unifi/data/db/Ĭhown -R unifi:unifi /usr/lib/unifi/logs/server.log NOTE:If this process was performed as root the file ownership may have changed. Finally, restart the UniFi service: service unifi start Repair the database with this command: mongod -dbpath /usr/lib/unifi/data/db -smallfiles -logpath /usr/lib/unifi/logs/server.log -repairĤ. In some cases, where the journal is corrupted, it will be helpful to run the following command before repairing the database, to move it to another location: mv -vi /usr/lib/unifi/data/db/journal /usr/lib/unifi/data/db/journal-$(date -I)ģ. Stop the UniFi service service unifi stopĢ. How to Repair a Database on Debian-based Linuxġ. If you still have database issues please contact Ubiquiti Support. The Cloud Key should now be able to run the Network application. If you see such an error running the script then you will need to repair the database from the command line once again by running the command in step 3.ħ. It may result in an error if the stats collections have already grown too large to be repaired while the mongo server is running. NOTE:The last command in the CK_repair.js script is "db.repairDatabase()". If the dataset has already grown too large to proceed with the db.repairDatabase() command there are instructions below to work around that. To be able to run a database repair, the Cloud Key will have to have enough free disk space equal to the size of the current data set plus 2 gigabytes. This repair may be needed for those who are suspecting invalid entries, corruption, or collection scaling issues. Getting back that valuable disk space on a 32-bit MongoDB instance will require a repair of the database. This process does not return useable disk space to the UniFi OS Console (or other Network application host) when the storage engine is MMAPv1. When running a compact command on the MongoDB, the database is rewritten and defragmented without error correction. While running the MMAPv1 storage engine this can cause issues when trying to shrink the aggregate collection sizes. 32-bit MongoDB Limitationsģ2-bit MongoDB collections are limited to a total size of 2GB. Check this with df -h in an SSH session to see if the partition where UniFi is storing data is running short on space. ![]() On 64-bit machines not affected by the MongoDB limitation, there can also be overall space issues on the host that can cause issues when trying to repair the database. I hope you like this tutorial about How to Fix a Corrupted Hard Drive Using cmd and successfully fix this issue.įor more tutorials and tech news, follow us on Facebook and Twitter.Total data doesn't have to exceed 2GB on the UC-CK, it only needs to be big enough for Mongo to expand. ![]() The best thing is you can try it out free of cost. This is simple and works on almost every internal and external drive. If you choose the excellent software, you can clean up duplicate files, remove cache memory, quickly start your system, and much more.ĬCleaner is the most popular to erase every data. Using Utility software helps you speed up your PC and fix the corrupted hard drive. Fix the corrupted hard drive using CCleaner Let us quickly review the best clean-up utility software to fix the corrupted hard drive. Many of us are confused with cmd commands Clean up tools are recommended for them. STEP 8: Type the exit command to exit the cmd. STEP 7: The process may take time, and after this step finishes, assign a letter to the drive: If you want to enter a specific name to the partition, type the below command instead of the above. STEP 6: After creating the primary partition, format it with the below command. Type the below command and hit Enter key. STEP 5: Type clean and press Enter key all your data will be cleaned.Īfter successfully cleaning up your device, you must create a new partition on the drive. Where X is your drive number on the list. STEP 4: The list of different attached drives will be displayed. STEP 3: To see all the drives connected with your PC, type list disk and hit Enter key. STEP 2: Type disk part and hit Enter key. STEP 1: Open cmd (type cmd on the search box) and Run this as an administrator.
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