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The first 512K of every file is written to a single solid state (SSD or NVMe) storage target
Next, file data up to 64MB is written to a single HDD target
Next, file data up to 512MB is written to two HDD targets in 4 MB stripes
Next, file data up to 1 GB is written to four HDD targets in 4 MB stripes
Finally, any remaining data for a file is written to eight HDD targets in 4 MB stripes
File system | Storage Quota | Files File & Directories Dir (inode) Quota | Compression | Persistent |
|---|---|---|---|---|
Lustre + ZFS | 800 TB | 400,000,000 | zstd-3 | No (90 day purge) |
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