Research data handling

The handling of data generated in the X-ray Diffraction and Bio-SAXS Core Facility (X-ray CF) is governed by the Measure of the Director of the Central European Institute of Technology of Masaryk University No. 4/2020, Research Data Policy, which specifies the basic definitions, rules, responsibilities and conditions of data ownership and management at CEITEC MU, as well as by the document X-ray Diffraction and Bio-SAXS Core Facility Data Management (English version below, or an extended paragraphed text version of the same see the file Správa dat sdílené laboratoře Centrální laboratoř RTG difrakce a Bio-SAXS, available only in Czech). All users of the X-ray CF (MU employees, external, commercial and others) are obliged to follow these documents.

X-ray Diffraction and Bio-SAXS Core Facility Data Management

Version: 1.1.

Applicable from: 23.7.2021

1. Data accessibility

The only storage of experimental data produced by X-ray CF instrumentation available to CF users is the X-ray CF data server (= powerful PC category RACK server with RAID 6 disk storage). The X-ray CF data server is operated in the server room of CEITEC MU, room E35/2S027. Remote access to the data server and access rights to the files stored on the data server are controlled by OS Linux (e.g. password protection, secure SSH communication protocol, user/group/others access categories with read/write/execute rights, etc.). Detailed information on the assignment of users to groups with common access rights to shared data files is described in a separate document: Správa dat sdílené laboratoře Rentgenové difrakce a Bio-SAXS (Article 3, available only in Czech).

2. Disk space quotas per user/measurement set

No disk quotas are currently set on any computers of X-ray CF.

3. Data storage

The storage time of experimental diffraction/SAXS RAW data on the X-ray CF data server/repository is not limited by time, but by the size of the available space on its RAID. The capacity or size of the HDDs used in the RAID 6 server allows CF to store complete experimental RAW data for at least 8 years.

4. Preferred way of data transfer to users

The CF sends the information about the result of the diffraction/SAXS experiment and/or the result of the subsequent analysis of the diffraction/SAXS data to the users by e-mail. The access of the user to his own experimental RAW data as well as to the data of other users from his user group stored in the CF repository is possible only via TCP/IP and SCP/SSH/SFTP protocols over LAN/WAN.

5. Destruction of old data

Experimental data stored on the X-ray CF repository are not deleted programmatically, the potential limitation of their permanent availability to users and their groups (or the possible reason for their gradual future deletion) is/will be only the preservation (or acquisition) of a sufficiently large storage space for the results of new diffraction and SAXS experiments. Users and/or user group PIs will be notified of the need to delete legacy data 6 months before they are deleted from the repository.

6. Data security

X-ray CF does not allow its users direct physical access to any computer HW on which research data obtained by CF instrumentation with CF users' samples may be stored. CF users are only allowed remote access to the CF data server via LAN/WAN using secure SCP/SSH/SFTP communication protocols. To ensure that "data are not stolen, or accessed by different team members", CF uses Linux OS resources in its repository, specifically controlling the "ownership" of files and directories using user/group/others access categories. If the PI leading a CF user group (=UG) expresses explicit disagreement with the continuation of an X-ray CF user's affiliation with his/her UG, the user will be removed from that UG without delay, and thus he lose remote access to the data "owned" by the UG stored in the repository.

7. Handling of sensitive data

X-ray CF does not collect any sensitive data either about its users or about the samples studied in X-ray CF. The operation of the X-ray CF instrumentation generate any sensitive data.

Responsible person from CF: Jaromír Marek

Head of Core Facility

Jaromír Marek, Ph.D.
Jaromír Marek, Ph.D.
Head of Core Facility
Personal Profile