CloudStore

Service Category: E-Mail, Calendar & Collaboration

CloudStore is an online storage service based on Nextcloud (http://nextcloud.com). The system is operated by the kiz on servers of the University of Ulm. It offers a data exchange service for users of the university with the possibility to synchronize data between different devices but also users. The access is cross-platform via web browser or via special client applications which are available for various operating systems including mobile devices like tablets and smartphones.

Furthermore, (at least in the test phase) text documents, tables or presentations can - with certain restrictions - be edited together.

Login: CloudStore

Performance features

  • Access to the service via a web interface, which can be used to create folders and make them available to other users. Files can be uploaded and downloaded to these folders, which can then be accessed by other users. The maximum size of a single file can be 6 GB when uploaded. However, this generally requires the 64-bit version of a web browser. Otherwise, the size is limited to 2 GB or 4 GB per file.
  • The service supports access via IPv6.
  • Each user has an online storage quota of 20 GB available.
  • Deleted files usually remain in an electronic wastebasket for 14 days before they are automatically and permanently deleted. The user can also initiate this process earlier at any time. If the storage quota is almost exhausted, files in the recycle bin are also automatically deleted according to the FIFO principle.
  • Files and folders that are to be made available for a short period of time only can be assigned the system-wide predefined characteristics "tmp-3days" or "tmp-7days". This setting ensures that the data marked in this way is automatically deleted after three or seven days.
  • Files and folders can be shared with external users without a kiz account by sending them a unique link. Additionally these links can be configured during the creation process to allow access with a write protection or even with a password.
  • Special client applications are offered for different operating systems (Linux, MacOS and Windows) as well as for different mobile devices (Android, iOS), which enable automatic synchronisation of selected data areas with the CloudStore server. Thus, data can be kept synchronised across different end devices. The applications are available in the respective app stores or at nextcloud.com.
  • Note: The current versions of the Windows client do not comply with the rules in Active Directory domains that use roaming profiles for user accounts. We provide administrators with a workaround if required. Please contact the Helpdesk for this.
  • The transmission of the data is encrypted. Nevertheless, please note that when using the service, you yourself are responsible for complying with the legal regulations (including data protection and, if necessary, encryption of files).
  • The service is primarily designed as a synchronisation mechanism between end devices and users and not as a storage system in the cloud. However, as long as the volume permits, the data is backed up regularly. On the one hand, this is done with the help of ZFS snapshots, which are created on an hourly basis for the last day and on a daily basis for the last four weeks. On the other hand the data is backed up daily using the backup service of the kiz (Bacula).
  • Note: To ensure that the backup does not exceed a critical size for a timely recovery of the whole system the kiz reserves the right to exclude files from the backup. The following properties of files (not an exhaustive list) serve as criteria:
     
    • Size
    • Type (CD/DVD-Image, …)

User groups

Members and affiliates of the University of Ulm. External users can be invited to share selected files via a link.

Service hours

24 x 7 x 365 (as a rule)

This does not include maintenance windows during which updates and patches are applied. As a rule, these are announced in advance. In critical cases, however, this can also be done without announcement.

Application modalities

A separate application to use the service is not required. Only a valid kiz account is required. After a one-time registration via a web browser the service can also be used via desktop or mobile application.

Fee / charge

No fees or charges are currently charged for the service.

[Translate to english:] Nextcloud Logo

Communication and Information Centre (kiz)

  • Helpdesk

    Please contact us if you have questions or problems related to the kiz services:

    Office hours
    Mon - Thu 9 - 12 h and 13 - 15:30 h
    Fri 9 - 12 h

    Phone
    +49 (0) 731 / 50 - 30000

    Telefax
    +49 (0) 731 / 50 - 1230000

    Order a Callback
    helpdesk(at)uni-ulm.de
    Support Portal
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    Service Points are locations where you can visit us personally.

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  • Identity Management

    Using self-service functions of the Identity Management System (IDM): Administer permissions, subscribe to services, change passwords.

    IDM Self Services
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