Restrictions on Linkable External Storages

Please refer to the appended table for S3 compatible storage that has a connection achievement to GakuNin RDM.

Service Name	Max Size per File	Extended Storage (add-on method)	Institutional Storage (add-on method)	Institutional Storage (bulk mount method)	Automatic Linkage between Client Tools and Research Trail Function ** 3*
Amazon S3	128MB	✔	✔ *¹	✔
Azure Blob Storage	128MB	✔
Bitbucket	(read-only)	✔
Box	250MB	✔		✔ *^６
Dropbox	150MB	✔
Dropbox Business	150MB		✔		✔
figshare	50MB	✔
GitHub	100MB	✔
GitLab	(read-only)	✔
Google Drive	5GB	✔ （Under Development for Google Workspace）	（Under Development for Google Workspace）	✔*^６	（Under Development for Google Workspace）
Nextcloud	3GB	✔		✔*^６
Nextcloud for Institutions	3GB		✔		✔ ^*4
NII Storage	5GB			✔
One Drive	(read-only) （Under Development for Microsoft Graph API）	✔ （Under Development for Microsoft365）	（Under Development for Microsoft365）	✔*^６	（Under Development for Microsoft365）
OpenStack Swift	128MB	✔		✔
Oracle Cloud Infrastructure Object Storage	3GB	✔	✔
ownCloud	3GB	✔	✔ *2	✔*^６	✔ ^*5
S3 Compatible Storage	128MB	✔	✔	✔
S3 Compatible Storage for Institutions	128MB		✔

1 This can be connected via S3 Compatible Storage.
2 This can be connected via Nextcloud for Institutions.
3 The desktop synchronisation client tool of all external services can be used normally. This table shows the services that are automatically linked with the GRDM's research trail function.
4 It is necessary to install a plug-in on the Nextcloud side.
5 It is necessary to install a plug-in on the ownCloud side.
* 6 This function is currently deprecated because it may be upgraded to an add-on method in the future. It shall not apply in the case where S3 / S3 Compatible systems are valid.