Chameleon Cloud

chameleoncloud.org · Compute, Storage · 2 records · JSON

Chameleon Cloud Computefails: identityemailno cardD
Chameleon Cloud (TACC / UChicago) Storagefails: identityinstitutionno cardR

Chameleon Cloud Compute

fails: identityemailno cardD

chameleoncloud.org/learn/frequently-asked-questions/ · cloud VM · compute/chameleon-cloud · JSON · compare

Free tier	"Chameleon operates on a 'soft allocation model' where each project, if approved, receives a startup allocation of 20,000 SUs for six months. This allocation can be both recharged (more SUs added) and renewed (duration extended)"; "Users can expect a project decision within one business day". unit hours; metered on wall-clock; kind not stated
Price	none stated
Per-object cap	not applicable
Retention	not applicable
Egress	not stated
Identity	email not published
Binding	none no binding constraint identified
Interface	unknown inferred from the tooling the provider documents; not probed
Tooling	not stated
Composes with	not established
Reliability	no reliability event recorded
Notes	no open question recorded
Evidence rung	documented
Checked	2026-10-22 (live); stale on 2026-11-21

Evidence (4)

date	source	what it proved
2026-10-22	chameleoncloud.org/learn/frequently-asked-questions/	startup allocation of 20,000 SUs for six months, rechargeable and renewable, decision within one business day, quoted
2026-10-22	blog.chameleoncloud.org/posts/tips-and-tricks-getting-access	"PI status is limited to faculty and research staff at US-based academic institutions", quoted
2026-10-22	blog.chameleoncloud.org/posts/tips-and-tricks-getting-access	Daypass "lets anyone request temporary access to system resources for the purpose of reproducing an experiment published on Trovi ... No allocation, no project membership, no approval from a PI required", quoted
2026-10-22	blog.chameleoncloud.org/posts/interactive-science-made-easy-	Daypass is for reproducing a published artefact, the request is reviewed by the artefact's project PI, and the suggested default reservation length is 6 hours, quoted

More fields (1)

{
 "wave2": {
  "class": null,
  "free_tier_kind": null,
  "shape": null
 }
}

Unknown or withheld values (10)

$.egress.metered egress-unknown
$.egress.terms not-stated
$.identity_cost.detail process
$.interface interface-unknown
$.per_object_cap.notes process
$.per_object_cap.stated not-applicable
$.reliability_note none-observed
$.retention.notes process
$.retention.stated not-applicable
$.tooling not-stated

Chameleon Cloud (TACC / UChicago) Storage

fails: identityinstitutionno cardR

chameleoncloud.org/ · research testbed - free bare metal and storage nodes · storage/chameleon-cloud · JSON · compare

Free tier	534 nodes across KVM@TACC, CHI@UC, CHI@TACC, CHI@NRP; 62 nodes with >1TB total storage, dedicated 'storage' (20) and 'storage_nvme' (10) node classes, plus 297 nodes at 400GB-1TB unit mixed; metered on stored-bytes
Price	none stated
Per-object cap	not stated
Retention	Accounts deactivate after 120 days' inactivity (120 days)
Egress	free within allocation; no published byte meter
Identity	institution institution
Binding	none the quota is real and unreachable: identity is the binding constraint, and it is not one of the six limits kinds
Interface	ssh, cli OpenStack API (Nova/Cinder/Blazar), CLI, Jupyter; ssh to instances
Tooling	python-chi, openstackclient, blazar reservations, Trovi artifacts, Daypass for artifact reproduction
Composes with	bare-metal reservation -> local NVMe -> object store you run yourself
Reliability	Project expiry immediately revokes all access and the allocation; storage is not offered as a durable service.
Notes	534 nodes across KVM@TACC, CHI@UC, CHI@TACC, CHI@NRP; 62 nodes with >1TB total storage, dedicated 'storage' (20) and 'storage_nvme' (10) node classes, plus 297 nodes at 400GB-1TB
Evidence rung	reported One page read moves it to documented.
Checked	2026-10-21 (inherited); stale on 2026-11-04

Evidence (4)

date	source	what it proved
2026-10-21	blog.chameleoncloud.org/posts/tips-and-tricks-getting-access	'PI status is limited to faculty and research staff at US-based academic institutions'
2026-10-21	chameleoncloud.readthedocs.io/en/stable/user/pi_eligibility.	eligibility list: academic institutions (research staff/faculty in supervisory positions), federal agencies, 'a limited number of international PIs with ongoing, active collaborations with scientists in the US', NSF Graduate Student Fellows, US museums/libraries/labs, K-12 educators; 'We do occasionally provide case-by-case exceptions ... in well-justified cases'
2026-10-21	www.chameleoncloud.org/terms/	deactivation after 120 days inactivity
2026-10-21	chameleoncloud.org/hardware/	534 nodes; 20 storage, 10 storage_nvme, 62 nodes >1TB; per-node inventory with r740xd/r630 chassis listed

More fields (1)

{
 "dead_end": {
  "failure_class": "quota",
  "why": "534 nodes across KVM@TACC, CHI@UC, CHI@TACC, CHI@NRP; 62 nodes with >1TB total storage, dedicated 'storage' (20) and 'storage_nvme' (10) node classes, plus 297 nodes at 400GB-1TB",
  "retry_when": null,
  "first_recorded": "2026-10-21"
 }
}

Unknown or withheld values (5)

$.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