{"rid":"storage/tacc-corral-5-tb-free-per-pi-60-tb-year-beyond","card":{"rid":"storage/tacc-corral-5-tb-free-per-pi-60-tb-year-beyond","eid":"docs-tacc-utexas-edu","topic":"storage","slug":"tacc-corral-5-tb-free-per-pi-60-tb-year-beyond","provider":"TACC Corral (US) — 5 TB free per PI, $60/TB/year beyond","url":"https://docs.tacc.utexas.edu/hpc/corral/","domain":"utexas.edu","category":"academic","tier":null,"verdict":"fails-quota","vorder":6,"grp":"rejected","confidence":"reported","binding":"none","identity_kind":"institution","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":1,"country":null,"crypto":null,"interfaces":"sftp,scp,rsync","egress_metered":1,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-10-21T00:00:00.000Z","verified_basis":"inherited","checked_on":"2026-10-21","stale_on":"2026-11-04","n_evidence":2,"usd_month":null,"usd_per_tb_month":null,"summary":"'The first 5TB of storage for each PI, on one project, is available to researchers at all UT System institutions at no cost. For storage needs larger than 5T...","duplicate_of":null,"n_unknown":6},"record":{"topic":"storage","slug":"tacc-corral-5-tb-free-per-pi-60-tb-year-beyond","provider":"TACC Corral (US) — 5 TB free per PI, $60/TB/year beyond","url":"https://docs.tacc.utexas.edu/hpc/corral/","category":"academic","free_tier":{"stated":"'The first 5TB of storage for each PI, on one project, is available to researchers at all UT System institutions at no cost. For storage needs larger than 5TB, and for multiple project allocations, access to Corral is available at a cost of $60/TB/year.' 40 PB online + tape replica.","unit":"TB","metered_on":"stored-bytes","source_url":"https://docs.tacc.utexas.edu/hpc/corral/","read_on":"2026-10-21","notes":null},"per_object_cap":{"stated":"not stated","source_url":"https://docs.tacc.utexas.edu/hpc/corral/","notes":"not stated"},"retention":{"stated":"not stated","source_url":"https://docs.tacc.utexas.edu/hpc/corral/","notes":"not stated"},"egress":{"terms":"Not metered in the doc, but there is no public HTTP download path — Corral is a mounted/POSIX store, so serving is not its purpose.","metered":true},"interface":["sftp","scp","rsync"],"interface_detail":"sftp","tooling":"POSIX with rsync/scp; TACC allocation portal.","chaining":"5 TB free × UT System PIs, then linear $60/TB/yr. The file-count rule is the real limiter: 'There is also a limit of 200,000 files per allocated terabyte' — at 5 TB that is 1 million files.","limits":[],"limits_note":"per-object-cap: n/a. 200,000 files per allocated TB is a hard per-file-count cap that punishes the many-small-objects pattern. Retention: persistent, backed to tape. Gate: US-based institution for PI status ('Users from non-US institutions are not eligible for PI status'), and the free 5 TB is UT-System-specific.","identity_cost":{"kind":"institution","detail":"derived from the record's prose, not from an identity field, and no signup was executed: 'The first 5TB of storage for each PI, on one project, is available to researchers at all UT System institutions at no cost. For storage needs larger than 5T","country":null},"reliability_note":"Free 5 TB applies only to UT System institutions; everyone else pays $60/TB/yr, so this is a 5 TB niche tier, not a free archive.","confidence":"reported","confidence_note":"One page read moves it to documented.","evidence":[{"url":"https://docs.tacc.utexas.edu/hpc/corral/","date":"2026-10-21","proved":"'The first 5TB of storage for each PI, on one project, is available to researchers at all UT System institutions at no cost ... $60/TB/year', 'limit of 200,000 files per allocated terabyte', '40PB of on-line storage' (last update August 4, 2026)"},{"url":"https://tacc.utexas.edu/use-tacc/allocations/","date":"2026-10-21","proved":"'Users from non-US institutions are not eligible for PI status'"}],"verdict":"fails-quota","verified_at":"2026-10-21T00:00:00.000Z","notes":"'The first 5TB of storage for each PI, on one project, is available to researchers at all UT System institutions at no cost. For storage needs larger than 5TB, and for multiple project allocations, access to Corral is available at a cost of $60/TB/year.' 40 PB online + tape replica.","extras":{"dead_end":{"failure_class":"quota","why":"'The first 5TB of storage for each PI, on one project, is available to researchers at all UT System institutions at no cost. For storage needs larger than 5TB, and for multiple project allocations, access to Corral is available at a cost of $60/TB/year.' 40 PB online + tape replica.","retry_when":null,"first_recorded":"2026-10-21"}},"binding":"none","binding_note":"no constraint of a named kind was recorded; the verdict rests on the quota sentence rather than on a named limit"},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":5,"unit":"TB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"}],"unknown":[["$.extras.dead_end.retry_when","process"],["$.free_tier.notes","process"],["$.per_object_cap.notes","not-extracted"],["$.per_object_cap.stated","not-extracted"],["$.retention.notes","not-extracted"],["$.retention.stated","not-extracted"]],"history":[],"drift":[]}