> ## Documentation Index
> Fetch the complete documentation index at: https://docs.xloud.tech/llms.txt
> Use this file to discover all available pages before exploring further.

# XSDS — Software-Defined Storage

> Fault-tolerant distributed storage with unified block, object, and file access.

XSDS delivers enterprise-grade distributed storage built on Ceph — providing unified block, object, and file access with self-healing data protection and petabyte-scale capacity.

<Note>
  For full product details, visit the [XSDS product page on xloud.tech](https://xloud.tech/ceph).
</Note>

***

<p style={{ fontSize: '1.25rem', fontWeight: 700, marginBottom: '0.75rem' }}>Service Guides</p>

<CardGroup cols={4}>
  <Card title="Block Storage" icon="hard-drive" href="/services/storage/index" color="#197560">
    Persistent volumes, snapshots, and backups
  </Card>

  <Card title="Object Storage" icon="box" href="/services/object-storage" color="#197560">
    S3-compatible object containers and access control
  </Card>

  <Card title="Software-Defined Storage" icon="database" href="/services/sds/index" color="#197560">
    Ceph cluster management and pool configuration
  </Card>

  <Card title="Image Service" icon="disc" href="/services/images/index" color="#197560">
    OS image catalog backed by distributed storage
  </Card>
</CardGroup>

***

<p style={{ fontSize: '1.25rem', fontWeight: 700, marginBottom: '0.75rem' }}>Key Capabilities</p>

<CardGroup cols={3}>
  <Card title="Unified Storage" icon="layers" color="#197560">
    Block, object, and file access from a single distributed cluster
  </Card>

  <Card title="Self-Healing" icon="shield-check" color="#197560">
    Automatic data rebalancing and recovery from drive or node failures
  </Card>

  <Card title="Petabyte Scale" icon="trending-up" color="#197560">
    Linear scale-out from terabytes to petabytes by adding nodes
  </Card>

  <Card title="Multi-Protocol" icon="network" color="#197560">
    RBD, S3, Swift, CephFS, NFS, and iSCSI in one platform
  </Card>

  <Card title="Erasure Coding" icon="binary" color="#197560">
    Configurable erasure coding for efficient fault-tolerant capacity
  </Card>

  <Card title="Storage Tiering" icon="arrow-up-down" color="#197560">
    Automatic hot/warm/cold tiering across NVMe, SSD, and HDD pools
  </Card>
</CardGroup>