https://github.com/paalamugan/mongodb-corrupted-data-recovery-script
Recovering a WiredTiger collection from a corrupt MongoDB installation
https://github.com/paalamugan/mongodb-corrupted-data-recovery-script
Last synced: about 1 month ago
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Recovering a WiredTiger collection from a corrupt MongoDB installation
- Host: GitHub
- URL: https://github.com/paalamugan/mongodb-corrupted-data-recovery-script
- Owner: paalamugan
- License: mit
- Created: 2020-07-04T14:52:52.000Z (over 4 years ago)
- Default Branch: master
- Last Pushed: 2020-07-06T06:08:34.000Z (over 4 years ago)
- Last Synced: 2024-11-19T10:42:28.482Z (3 months ago)
- Language: JavaScript
- Size: 19.5 KB
- Stars: 1
- Watchers: 3
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# mongodb-corrupted-data-recovery-script
Recovering a WiredTiger collection from a corrupt MongoDB installation
## Get Started
**Important Note**
`Only supported in linux operator. We recommend to you to use ubuntu`.
### Node Engine
- node
v10.19.0
- npm
6.14.4
### Initial Setup(first time only)
- Install Wiredtiger
```
wget http://source.wiredtiger.com/releases/wiredtiger-2.7.0.tar.bz2
tar xvf wiredtiger-2.7.0.tar.bz2
cd wiredtiger-2.7.0
sudo apt install libsnappy-dev build-essential
./configure --enable-snappy
make
```
- Install node_modules packages
```
cd ../
npm install
```
### Run Script
- Before running this script, you must know what is DBCode and CollectionCode.(Explanation in below section)
* Arguments
```
--dbpath - Input of the corrupted mongodb data path.
--dblists - Mention the list of databases, Only you want to recovery it.
```
In that dblists argument, You give values for string array of object.for example,
```
"[{dbCode: '1238759449822491237', dbName: 'Recovery', collections: { '13': 'borkedCollection', '14': 'borkedCollection_1' }}]"
```
- It stands for,
- dbCode - Database code,(String)(Mandatory)
- dbName - Database name,(String)(Optional)
- collections: { key - Collection code, value - Collection name }(Object)(Optional)
- If you want to know more information, use
```
node script.js --help
node script.js -h
```
* Recovery all databases
```
node script.js --dbpath /path/to/corrupted-mongodb
```
* Recovery Only Specific databases
```
node script.js --dbpath /path/to/corrupted-mongodb --dblists "[{dbCode: '1238759449822491237', dbName: 'Recovery', collections: { '13': 'borkedCollection', '14': 'borkedCollection_1' }}]"
```
### How to Get DB CODE and COLLECTION CODE
In that `/path/to/corrupted-mongodb` folder inside you will see bunch of files.
In that bunch of files You want to find file name look like `collection-13--1238759449822491237.wt`.
```
13 - Collection code.(Only for one collection)
1238759449822491237 - Database code.(same for all collections)
```
Once you find that, copy that code paste in dblists property values.