diff --git a/doc.zih.tu-dresden.de/docs/index.md b/doc.zih.tu-dresden.de/docs/index.md index 39ecaa3d5e6d47341c8dd2950236ca16358dd174..2c5920a76580ca00238f13a60031ed9527d290a2 100644 --- a/doc.zih.tu-dresden.de/docs/index.md +++ b/doc.zih.tu-dresden.de/docs/index.md @@ -31,10 +31,10 @@ Please also find out the other ways you could contribute in our ## News -* **2024-05-08** [Maintenance at `Alpha Centauri` - User action required!](jobs_and_resources/alpha_centauri.md#recabling-maintenance) +* **2024-07-08 --2024-07-12** All HPC systems and services will be unvailable due to a maintenance + at the cooling infrastructure * **2024-02-05** [New Support Form: HPC Café Questions & Answers](support/support.md#open-qa-sessions) ([to the Event](https://tu-dresden.de/zih/qa-sessions-nhr-at-tud)) -* **2024-02-05** [New JupyterHub now available](access/jupyterhub.md) ## Training and Courses diff --git a/doc.zih.tu-dresden.de/docs/jobs_and_resources/alpha_centauri.md b/doc.zih.tu-dresden.de/docs/jobs_and_resources/alpha_centauri.md index cec4a1dcd71340073794b43c9a96ed3012a6e7bf..1c52090ab204005fe76de4ad6986e9fd4cdaf843 100644 --- a/doc.zih.tu-dresden.de/docs/jobs_and_resources/alpha_centauri.md +++ b/doc.zih.tu-dresden.de/docs/jobs_and_resources/alpha_centauri.md @@ -5,53 +5,6 @@ The multi-GPU cluster `Alpha Centauri` has been installed for AI-related computa The hardware specification is documented on the page [HPC Resources](hardware_overview.md#alpha-centauri). -## Recabling Maintenance - -!!! warning "User Action Required" - - Please read the following information carefully and follow the provided instructions. - -We are in the -[process of becoming `Alpha Centauri` a Stand-Alone Cluster](#becoming-a-stand-alone-cluster). -Planned now is the integration of the cluster into the InfiniBand infrastructure -of the new cluster [`Barnard`](barnard.md). - -!!! hint "Maintenance Work" - - On **June 4+5**, we will shut down and migrate `Alpha Centauri` to the Barnard InfiniBand - infrastructure. - -As consequences, - -* BeeGFS will no longer be available, -* all `Barnard` filesystems (`/home`, `/software`, `/data/horse`, `/data/walrus`) can be - used normally. - -For your convenience, we already have started migrating your data from `/beegfs` to -`/data/horse/beegfs`. Starting with the downtime, we again synchronize these data. - -!!! hint "User Action Required" - - The less we have to synchronize the faster will be the overall process. So, please clean-up - as much as possible as soon as possible. - -Important for your work is: - -* Do not add terabytes of data to `/beegfs` if you cannot "consume" it before June 4. -* After the final successful data transfer to `/data/horse/beegfs`, you then have to - move it to the normal workspaces on `/data/horse`. -* Be prepared to adapt your workflows to the new paths. - -What happens afterward: - - * complete deletion of all user data in `/beegfs` - * complete recabling of the storage nodes (BeeGFS hardware) - * software and firmware updates - * set-up of a new WEKA filesystem for high I/O demands on the same hardware - -In case of any question regarding this maintenance or required action, please do not hesitate to -contact the [HPC support team](../support/support.md). - ## Becoming a Stand-Alone Cluster The former HPC system Taurus is partly switched-off and partly split up into separate clusters @@ -64,29 +17,10 @@ stand-alone cluster with ### Filesystems -Your new `/home` directory (from `Barnard`) is also your `/home` on `Alpha Centauri`. -If you have not -[migrated your `/home` from Taurus to your **new** `/home` on Barnard](barnard.md#data-management-and-data-transfer) -, please do so as soon as possible! - -!!! warning "Current limitations w.r.t. filesystems" - - For now, `Alpha Centauri` will not be integrated in the InfiniBand fabric of Barnard. With this - comes a dire restriction: **the only work filesystems for Alpha Centauri** will be the `/beegfs` - filesystems. (`/scratch` and `/lustre/ssd` are not usable any longer.) - - Please, prepare your - stage-in/stage-out workflows using our [datamovers](../data_transfer/datamover.md) to enable the - work with larger datasets that might be stored on Barnard’s new capacity filesystem - `/data/walrus`. The datamover commands are not yet running. Thus, you need to use them from - Barnard! - - The new Lustre filesystems, namely `horse` and `walrus`, will be mounted as soon as `Alpha` is - recabled (planned for May 2024). - -!!! warning "Current limitations w.r.t. workspace management" - - Workspace management commands do not work for `beegfs` yet. (Use them from Taurus!) +Your new `/home` directory (from `Barnard`) is also your `/home` on `Alpha Centauri`. Since 5th July +2024, `Alpha Centauri` is fully integrated in the InfiniBand infrastructure of `Barnard`. With that, +all [filesystems](hardware_overview.md#storage-systems) +(`/home`, `/software`, `/data/horse`, `/data/walrus`) are available. ## Usage