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HLRN provides tailored WORK file system systems for improved IO throughput of IO intense job workloads.
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WORK is the default shared file system for all jobs and can be accessed using the $WORK variable. WORK is accessible for all users .WORK consists and consists of 8 Metadata Targets (MDT's) with NVMe SSDs and 28 Object Storage Targets (OST's) on Lise and 96 OST's on Emmy handling the data. Both using classical hard drives.
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Especially large shared IO patterns will perform good using benefit from striping.
Access: create a directory with striping using new directory in $WORK and set lfs setstripe -c <stripsize> <dir>
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Local SSDs
Some Compute Nodes have are installed with local SSD storage up to 2 TB on Lise and 400 GB on Emmy.
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