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Commit be6cd3d2 authored by Ulf Markwardt's avatar Ulf Markwardt
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update

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3 merge requests!899Preview,!897Draft: Preview,!894Barnard update
......@@ -6,33 +6,40 @@ and workflows for production there. For general hints please refer to these site
* [Details on architecture](/jobs_and_resources/architecture_2023),
* [Description of the migration](migration_2023.md).
Please provide your feedback directly via our ticket system. For better processing,
please add "Barnard:" as a prefix to the subject of the [support ticket](../support/support).
!!! "Feedback welcome"
Please provide your feedback directly via our ticket system. For better processing,
please add "Barnard:" as a prefix to the subject of the [support ticket](../support/support).
Essential staff from Bull and ZIH is on (well-earned) vacation. Major fixes, or
adaptations might have to wait until mid of October.
Here, you can find few hints which might help you with the first steps.
## Login to Barnard
* All users and projects from Taurus now can work on Barnard.
* They can use `login[1-2].barnard.hpc.tu-dresden.de` to access the system
* They can use `login[2-4].barnard.hpc.tu-dresden.de` to access the system
from campus (or VPN). [Fingerprints](/access/key_fingerprints/#barnard)
* All users have *new* home file systems, this means:
* All users have **new HOME** file systems, this means you have to do two things:
1. Install your public ssh key on the system
- Please create a new SSH keypair with ed25519 encryption, secured with
a passphrase. Please refer to this
[page for instructions](../../access/ssh_login#before-your-first-connection).
a passphrase. Please refer to this
[page for instructions](../../access/ssh_login#before-your-first-connection).
- After login, add the public key to your `.ssh/authorized_keys` file
on Barnard.
on Barnard.
1. "Transfer your data for HOME" -- see below.
## Data Management
* The `/project` filesystem is the same on Taurus and Barnard
(mounted read-only on the compute nodes).
* The **new work filesystem** is `/data/horse`. The slower `/data/walrus` can be used
to store e.g. results. Both can be accesed via workspaces. Please refer to the
* The **new work filesystem** is `/data/horse`.
* The slower `/data/walrus` shall substitute the old `/warm_archive` - mounted **read-only** on
the compute nodes. It can be used to store e.g. results.
These two (horse + walrus) can be accesed via workspaces. Please refer to the
[workspace page](../../data_lifecycle/workspaces/), if you are not familiar with workspaces. To list
all available workspace filessystem, invoke the command `ws_list -l`.
......@@ -63,10 +70,11 @@ directory on datamover mounting clusters directory on cluster
--------------------------------------------------------------------------------
```
* In May (!) we have copied all workspaces from `/scratch/ws` data to
* In May we have copied all workspaces from `/scratch/ws` data to
` /data/horse/lustre/scratch2/ws`. This replication took a **few weeks**. Ideally you
can now just *move* their *content* to a newly created workspace. - Of course,
everything newer than May is not there.
can now just **move** the content to a newly created workspace.
A second synchronization has started on **October, 18** and is nearly done.
* Please manually copy your needed data from your `beegfs` or `ssd` workspaces. These
old storages will be purged, probably by the end of November.
......@@ -126,3 +134,12 @@ on Taurus.
* We are running the most recent Slurm version.
* You must not use the old partition names.
* Not all things are tested.
## Updates after your feedback
* A **second synchronization** from `/scratch` has started on **October, 18** and is nearly done.
* The **data tranfer tools** now work fine.
* After fixing too tight security restrictions, **all users can login** now.
* **ANSYS/2023R1** now starts after problems: please check if your specific use case works.
* **login1** is under observation, do not use it at the moment.
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