On April 29, 2025 we moved forty worker nodes mikan from our server room in FZU to MFF UK. Servers Huawei RH1288 V3, each equipped with two CPUs Intel Xeon E5-2650 v4, 2.2GHz, have served us reliably for 7.5 years. After reinstallation, we will continue to use them in another server room. We still have […]
Cluster mikan to Troja Campus Read More »
Start: Friday, May 16, 2025 at 8:00 AMEnd: Monday, May 19, 2025 at 11:00 AM Due to a planned electricity supply shortage at the locality Slovanka. Unavailable servers: Friday, May 16, 8:00 – 17:00: servers and services temporarily unavailable, network disconnections – update & reboot of all servers, upgrade of firmware on switches, ui1 reinstallation
May 16 – May 19, 2025 Planned outage of Golias farm Read More »
Final shutdown of two NFS servers – /mnt/nfs23_auger and /mnt/nfs24_auger.
May 7, 2025 Decommission of NFS servers – nfs23 & nfs24 Read More »
Final shutdown of worker nodes luna65-luna99 due to hardware obsolescence. The replacement for the cluster Luna2019 is the new cluster Magma (worker nodes magma1-23) with more powerful and faster processors.
April 14, 2025 Decommission of the cluster Luna2019 Read More »
Start: Friday, February 21, 2025 at 8:00 AM End: Monday, February 24, 2025 at 11:00 AM Due to a planned electricity supply shortage at the locality Slovanka. Unavailable servers: part of worker nodes (the clusters mahagon, mikan and minis) At risk on Friday 8:00 – 16:00: UI servers, NFS servers, the cluster milan and dcache
Feb 21 – Feb 24, 2025 Planned outage of Golias farm Read More »
Start: Friday, January 24, 2025 at 8:00 AMEnd: Monday, January 27, 2025 at 10:00 AM Due to a planned electricity supply shortage at the locality Slovanka. Unavailable servers: Friday, January 24, 8:00 – 17:00: all servers and all services due to network disconnection – a replacement of the central switch Weekend, January 25-26: part of
Jan 24 – Jan 27, 2025 Planned outage of Golias farm Read More »
Start: Tuesday, October 22, 2024 at 10:00 AM End: Tuesday, October 22, 2024 at 16:00 PM Due to a migration and synchronization of data between NFS servers. Unavailable servers: nfs18, nfs20, nfs21, nfs26, nfs27, nfs28
Oct 22, 2024 Planned outage of /mnt/nfs18,20,21_auger Read More »
Start: Friday, October 4, 2024 at 13:00 PM End: Monday, October 7, 2024 at 11:00 AM Due to a planned electricity supply shortage at the locality Slovanka. Unavailable servers: part of worker nodes (the clusters mahagon and mikan) At risk: UI servers, NFS servers, the clusters milan and minis
Oct 4 – Oct 7, 2024 Planned outage of Golias farm Read More »
