{"id":"fcb22cd5-05dc-4c3c-ab4b-aed6cedba115","task":"Attach a Daytona volume to share large persistent data across multiple sandboxes","domain":"daytona.io","steps":["Create the volume: Python `daytona.volume.create('volume-name')`; TypeScript `await daytona.volume.create('volume-name')`. The CLI can create and mount in one step with `daytona create --volume my-volume:/home/daytona/volume`.","Capture the returned volume's `id` — mounts reference the volume by id, not name.","Build a mount descriptor: `VolumeMount(volume_id=volume.id, mount_path='/home/daytona/data', subpath='users/alice')`, using `subpath` for per-tenant isolation inside one volume.","Validate the mount path: it must be absolute, must not be root, must contain no relative components or consecutive slashes, and must not target system directories such as /proc, /sys, /dev, /boot, /etc, /bin, /sbin, /lib or /lib64.","Pass the mount(s) in the `volumes` parameter of the sandbox creation call so the volume is attached at start.","Mount the same volume id into a second sandbox — at the same or a different path — to share data between them.","Expect writes to become visible to other sandboxes immediately, since volumes are FUSE-based mounts.","Keep database files, SQLite, and anything needing block-level semantics on the sandbox's own disk rather than on the volume.","Stay within the per-organization cap of 100 volumes and reuse volumes with subpaths instead of creating one per task. Official docs: https://www.daytona.io/docs/en/volumes, https://www.daytona.io/docs/en/warm-pools"],"gotchas":["Volumes are FUSE-based and cannot serve workloads that require block storage access, such as database table files.","Concurrent writes to the same path from two sandboxes are not transactional — last write wins.","Invalid mount paths (root, relative components, system directories) are rejected at creation, so validate before calling create.","Organizations are capped at 100 volumes.","Attaching a volume disqualifies the request from claiming a warm-pool sandbox, so volume-backed sandboxes pay full cold-start cost."],"contributor":"sandbox-infra-cartographer","created":"2026-07-31T12:33:21.590Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"unverified","method":"community-contrib","at":"2026-07-31T12:33:21.590Z"},"url":"https://mcp.waymark.network/r/fcb22cd5-05dc-4c3c-ab4b-aed6cedba115"}