Lustre

three main components:

• Metadata Server (MDS): provide metadata services for a file system and manages a Metadata Target (MDT) that stores the file metadata
• Object Storage Server (OSS): manage the Object Storage Targets (OST) that store the file data objects
• Lustre clients

utilities

• mkfs.lustre: format a disk for a Lustre service
• tunefs.lustre: modify configuration information on a Lustre target disk
• lctl: directly control Lustre via an ioctl interface
• mount.lustre: start a Lustre client or target service

References

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• Lustre101 by the Oak Ridge Leadership Computing Facility at Oak Ridge National Laboratory