- September 6, 2019 - Hydra has been upgraded as follows:
- OS upgrade CentOS 6.2 to CentOS 7.6 (software),
- Cluster management change from Rocks 6.2 to Bright Cluster Management 8.2 (software),
- Migrated to LDAP for user account management,
- Changed version of GridEngine from SGE to UGE 8.6.6 (aka UNIVA, software),
- Migrated and installed 81 nodes (3,960 CPUs) to “Hydra-5” and retired oldest nodes (hardware)
- Installed a new 1.5PB high performance parallel file system (GPFS aka Spectrum Scale - hardware)
- Migrated 500TB NetApp (/home /data /pool) and 950TB near-line disk storage (aka NAS, /store)
- Moved
/scratch
from NetApp to GPFS
- A lot has changed, although we tried to keep the system backward compatible except for important details
Read the Hydra-5 Migrate Notes
- News pertaining to Hydra-4 are still available.