58 posts tagged with "Maintenance"

Summary​

On Wednesday, September 27, 2023, at 13:48, one of the 66 OSTs comprising Lustre9 experienced an I/O outage.

A hardware failure has occurred in one of the redundant OST controllers in the Lustre7 high-speed storage system in the General Analysis Compartment. The controller will be replaced and the system will be taken back on the following schedule.

Due to switching work associated with the update of the storage system for the DDBJ database, the FTP service and connections with Aspera will be temporarily unavailable during the following period.

Until now, a part of the CPU of the GPU compute node has been allocated to short.q because the utilisation rate of the CPU of the GPU compute node is low, but in recent years, various software using the GPU has been created and the usage methods have changed, so the AGE queue configuration will be changed as follows to increase the number of CPU cores available in the GPU node.

Due to network device maintenance, the network will be temporarily out of service during the following date and time period.

Due to maintenance work on SINET6 equipment, the network will be temporarily out of service during the following date and times.

The storage system used to build the DDBJ database was replaced in April 2023 and the disk space was renewed from approximately 15 PB to 40 PB.

In the Lustre8 high-speed storage system for the Personal Genome Analysis division, we are going to upgrade the server version and perform maintenance related with it.

Due to network device maintenance, the network will be temporarily out of service during the following date and time.

The Lustre7 high-speed storage system for the General Analysis division has experienced an equipment failure, and as of 15:59 p.m. on Monday, December 19, there has been no impact on users. The cables will be replaced at the following date and time.