Tuesday 17 September 2019

cloud gis - Google Drive and Backing-up/Syncing GIS Data



Seeing that many of us have three computers these days (e.g.. work, home and laptop) is anyone using Google Drive as their main file repository for GIS data? I like the idea of backing everything up in the cloud and syncing it to all of my computers.



I would like to hear anyone's experiences with backing up and syncing their GIS data in Google Drive or one of the other cloud sync/backup services. Are there any serious limitations in using/storing GIS data in the cloud? Is anyone integrating Google Drive with their work server to access data at home?



Answer



Dropbox/Google Drive work on the principle that when a file gets modified, it will upload the file into the cloud. Then when your on your other machine, it will download the latest copy.


This works great for small files.



  • GIS data can often be large filesizes.


If I edit one feature attribute in a layer that is 2GB big, there will be a lot of uploading/downloading of that file.



  • GIS data is often accessed by more than one user



Conflicts would occur if multiple people using the same dropbox account and trying to edit the data.


Sounds like your goal is to sync projects between work and home.


If your working on projects that involve <250mb size datasets, then the dropbox/google drive account would be ok to sync your project between multiple locations.


If the filesize gets bigger, it might be easier to sync the two locations with a external hard drive and a tool like SyncToy.


For most organisations, a RDBMS is the usually best approach for syncing and backing up data across multiple locations. If you only edit one record in a large dataset, there is no need to sync the entire database to a separate location, but just trickle to differences across. See Esri's GIS Data Administration for more details on this.


If need be, a RDBMS can also be held in the cloud - e.g. Using Windows Azure SQL Database and ArcGIS


No comments:

Post a Comment

arcpy - Changing output name when exporting data driven pages to JPG?

Is there a way to save the output JPG, changing the output file name to the page name, instead of page number? I mean changing the script fo...