You might want to search for data files or folders in your research group, especially when the amount of data you are working with is growing or when you have many different research groups or folders you work in. It is also possible to retrieve an earlier version (a revision) of a file, for example, if you have accidentally deleted a file. With the 'search' functionality in Yoda, you can do both.
Finding files and folders
Follow these steps to search for files or folders in Yoda.
Go to the Yoda portal and sign in.
Click on 'Research' in the menu (the grey bar).
Above the menu is the 'quick search' entry. This will search for matching file names.
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Once the search is done, you can refine or renew the search with more search options, with the search bar just below the menu.
You can select specific components in the drop-down menu to the left of the search bar.
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Search by filename / search by folder
If you know (part of) the name of the file or folder you are looking for, use this as 'Search term'.
A search by name will find files and folders with the search term in its name. Typing a series of letters will reveal all files and (sub)folders containing that series in the name. For example, searching on "er" will result in finding:
"er"
"Er"
"Ergonomics"
"Folder A"
Search by metadata
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At first, you will see the number of fields and hovering over it will show exactly which field contains the search term.
Search by status
You can also search by status in the vault.
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Restoring previous file versions
Previous file versions (revisions) are important if you need to go back to an earlier version of your work. Yoda provides you with a backup functionality of these earlier versions. This means you can restore files yourself.
Yoda saved a new revision of your data every time you save a file using the same name. Yoda does not overwrite the existing file, but creates a new revision, while the older revision is stored in a hidden location. This then becomes a previous file version that you can restore if needed.
As time passes by, an increasing amount of the revisions will be deleted. This means that you can restore many revisions from the same day, fewer revisions from the last few days, even less revisions from a week back, etcetera. After 16 weeks, every revision older than 16 weeks is deleted.
Follow these steps to restore older file versions:
Go to the Yoda portal and sign in.
Click on 'Research' in the menu (the black bar). There is a search bar just below the menu.
Select 'Search revisions by name'.
Type the name of a file of which you want to restore a revision.
Click on a file. You will now see the file versions in the search results.
You can save the file version you wish to restore in various ways:
under your own name in the same folder
with a different name
in another folder within the research group
Note that during your work, a maximum of one revision per 60 seconds is made. Any changes within 60 seconds of the last revision will not form a new revision, even though you saved it in the meantime.
Other restore options
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To work with privacy-sensitive data, you might be required to encrypt the data you store on Yoda. An easy way to do this is to use Cyberduck (or MountainDuck) together with the free tool Cryptomator.
Cryptomator is available for Windows, macOS and Linux.
Note, this workflow means local copies of the files on your laptop are not in the encrypted vault. To make sure local files are also safely encrypted you should enable BitLocker, this should be the case on all NUWD laptops.
First connect to the Yoda disk using Cyberduck.
Install Cryptomator
Download and install from the Cryptomator site.
Create a new Cryptomator vault
Right click in Cyberduck and choose “New Encrypted Vault” Give the folder a name and set a passphrase.
The vault will look like a normal folder in Cyberduck
When you double-click the new folder, you will be asked for the passphrase.
Enter the correct passphrase and the folder will be opened as normal. You can now work with the vault as with a normal folder.
If you cancel the passphrase prompt, you will only see the Cryptomator files in the folder. Adding or deleting files could corrupt your data!
If you are not prompted for the passphrase, click refresh first.