AgentSkillsCN

manage-volumes

管理Vast.ai的持久化存储卷——搜索、创建、删除、克隆,或将存储卷挂载至实例。在跨实例生命周期保持数据持久性时使用此技能。

SKILL.md
--- frontmatter
name: manage-volumes
description: "Manage Vast.ai persistent storage volumes — search, create, delete, clone, and attach volumes to instances. Use for persistent data across instance lifecycles."
argument-hint: "[action or volume-id]"
allowed-tools: Bash

Manage Vast.ai Volumes

Help the user manage persistent storage volumes on Vast.ai.

User Request

$ARGUMENTS

Available Actions

Search Volume Offers

bash
vastai search volumes '<QUERY>' -o 'storage_cost' --raw

Key fields: disk_space, disk_bw, storage_cost, geolocation, reliability, duration

Create a Volume

bash
vastai create volume <OFFER_ID> -s <SIZE_GB>     # Local volume
vastai create network-volume <OFFER_ID> -s <SIZE_GB>  # Network volume

Default size: 15 GB.

List User's Volumes

bash
vastai show volumes                    # All volumes
vastai show volumes -t local           # Local only
vastai show volumes -t network         # Network only

Clone a Volume

bash
vastai clone volume <SOURCE_VOLUME_ID> <DEST_OFFER_ID> -s <SIZE_GB>

Delete a Volume

bash
vastai delete volume <ID>

Confirm with user first — this is irreversible and deletes all data.

Attach Volume When Creating Instance

bash
# New volume
vastai create instance <OFFER_ID> --image <IMG> --ssh \
  --create-volume <VOLUME_OFFER_ID> --volume-size <GB> --mount-path /root/data

# Existing volume
vastai create instance <OFFER_ID> --image <IMG> --ssh \
  --link-volume <VOLUME_ID> --mount-path /root/data

File Transfer To/From Volumes

bash
vastai copy local:./data V.<VOLUME_ID>:/data
vastai copy V.<VOLUME_ID>:/results local:./results

Tips

  • Volumes persist across instance destroy/recreate — use them for datasets and checkpoints
  • Local volumes must be on the same machine as the instance
  • Network volumes can be accessed from different machines but are slower
  • Always check vastai show volumes before creating to avoid duplicates