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docs/merlin7/01-Quick-Start-Guide/requesting-projects.md
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---
title: Requesting a Merlin Project
#tags:
keywords: merlin project, project, snow, service now
last_updated: 07 September 2022
#summary: ""
sidebar: merlin7_sidebar
permalink: /merlin7/request-project.html
---
# Requesting a Merlin Project
A project owns its own storage area in Merlin, which can be accessed by other group members.
@@ -21,21 +13,21 @@ This document explains how to request new Unix group, to request membership for
## About Unix groups
Before requesting a Merlin project, it is important to have a Unix group that can be used to grant access to it to different members
Before requesting a Merlin project, it is important to have a Unix group that can be used to grant access to it to different members
of the project.
Unix groups in the PSI Active Directory (which is the PSI central database containing user and group information, and more) are defined by the `unx-` prefix, followed by a name.
In general, PSI employees working on Linux systems (including HPC clusters, like Merlin) can request for a non-existing Unix group, and can become responsible for managing it.
In general, PSI employees working on Linux systems (including HPC clusters, like Merlin) can request for a non-existing Unix group, and can become responsible for managing it.
In addition, a list of administrators can be set. The administrators, together with the group manager, can approve or deny membership requests. Further information about this topic
is covered in the [Linux Documentation - Services Admin Guides: Unix Groups / Group Management](https://linux.psi.ch/admin-guide/configuration/basic/users_and_groups.html), managed by the Central Linux Team.
To gran access to specific Merlin project directories, some users may require to be added to some specific **Unix groups**:
* Each Merlin project (i.e. `/data/project/{bio|general}/$projectname`) or experiment (i.e. `/data/experiment/$experimentname`) directory has access restricted by ownership and group membership (with a very few exceptions allowing public access).
* Users requiring access to a specific restricted project or experiment directory have to request membership for the corresponding Unix group owning the directory.
* Each Merlin project (i.e. `/data/project/{bio|general}/$projectname`) or experiment (i.e. `/data/experiment/$experimentname`) directory has access restricted by ownership and group membership (with a very few exceptions allowing public access).
* Users requiring access to a specific restricted project or experiment directory have to request membership for the corresponding Unix group owning the directory.
### Requesting a new Unix group
**If you need a new Unix group** to be created, you need to first get this group through a separate
**If you need a new Unix group** to be created, you need to first get this group through a separate
**[PSI Service Now ticket](https://psi.service-now.com/psisp)**. **Please use the following template.**
You can also specify the login names of the initial group members and the **owner** of the group.
The owner of the group is the person who will be allowed to modify the group.
@@ -48,9 +40,9 @@ The owner of the group is the person who will be allowed to modify the group.
* and base the text field of the request on this template
```
Dear HelpDesk
I would like to request a new unix group.
Unix Group Name: unx-xxxxx
Initial Group Members: xxxxx, yyyyy, zzzzz, ...
Group Owner: xxxxx
@@ -62,6 +54,7 @@ The owner of the group is the person who will be allowed to modify the group.
### Requesting Unix group membership
Existing Merlin projects have already a Unix group assigned. To have access to a project, users must belong to the proper **Unix group** owning that project.
Supervisors should inform new users which extra groups are needed for their project(s). If this information is not known, one can check the permissions for that directory. In example:
```bash
(base) ❄ [caubet_m@merlin-l-001:/data/user/caubet_m]# ls -ltrhd /data/project/general/$projectname
@@ -95,16 +88,16 @@ To request a project, please provide the following information in a **[PSI Servi
* and base the text field of the request on this template
```
Dear HelpDesk
I would like to request a new Merlin7 project.
Project Name: xxxxx
UnixGroup: xxxxx # Must be an existing Unix Group
The project responsible is the Owner of the Unix Group.
If you need a storage quota exceeding the defaults, please provide a description
and motivation for the higher storage needs:
Storage Quota: 1TB with a maximum of 1M Files
Reason: (None for default 1TB/1M)