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docs: Add PureStorage and its features to table of supported storage …
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…drivers

Signed-off-by: Din Music <[email protected]>
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@MusicDin
MusicDin committed Dec 6, 2024
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36 changes: 19 additions & 17 deletions doc/reference/storage_drivers.md
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Expand Up @@ -15,6 +15,7 @@ storage_cephfs
storage_cephobject
storage_ceph
storage_powerflex
storage_pure
storage_dir
storage_lvm
storage_zfs
Expand All @@ -27,29 +28,30 @@ See the corresponding pages for driver-specific information and configuration op

Where possible, LXD uses the advanced features of each storage system to optimize operations.

Feature | Directory | Btrfs | LVM | ZFS | Ceph RBD | CephFS | Ceph Object | Dell PowerFlex
:--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :---
{ref}`storage-optimized-image-storage` | ❌ | ✅ | ✅ | ✅ | ✅ | ➖ | ➖ | ❌
Optimized instance creation | ❌ | ✅ | ✅ | ✅ | ✅ | ➖ | ➖ | ❌
Optimized snapshot creation | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ➖ | ✅
Optimized image transfer | ❌ | ✅ | ❌ | ✅ | ✅ | ➖ | ➖ | ❌
Optimized backup (import/export) | ❌ | ✅ | ❌ | ✅ | ❌ | ➖ | ➖ | ❌
{ref}`storage-optimized-volume-transfer` | ❌ | ✅ | ❌ | ✅ | ✅[^1] | ➖ | ➖ | ❌
{ref}`storage-optimized-volume-refresh` | ❌ | ✅ | ✅[^2] | ✅ | ✅[^3] | ➖ | ➖ | ❌
Copy on write | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ➖ | ✅
Block based | ❌ | ❌ | ✅ | ❌ | ✅ | ❌ | ➖ | ✅
Instant cloning | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ➖ | ❌
Storage driver usable inside a container | ✅ | ✅ | ❌ | ✅[^4] | ❌ | ➖ | ➖ | ❌
Restore from older snapshots (not latest) | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ➖ | ✅
Storage quotas | ✅[^5] | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅
Available on `lxd init` | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ❌
Object storage | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ✅ | ❌
Feature | Directory | Btrfs | LVM | ZFS | Ceph RBD | CephFS | Ceph Object | Dell PowerFlex | PureStorage
:--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :---
{ref}`storage-optimized-image-storage` | ❌ | ✅ | ✅ | ✅ | ✅ | ➖ | ➖ | ❌ | ✅
Optimized instance creation | ❌ | ✅ | ✅ | ✅ | ✅ | ➖ | ➖ | ❌ | ✅
Optimized snapshot creation | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ➖ | ✅ | ✅
Optimized image transfer | ❌ | ✅ | ❌ | ✅ | ✅ | ➖ | ➖ | ❌ | ✅
Optimized backup (import/export) | ❌ | ✅ | ❌ | ✅ | ❌ | ➖ | ➖ | ❌ | ❌
{ref}`storage-optimized-volume-transfer` | ❌ | ✅ | ❌ | ✅ | ✅[^1] | ➖ | ➖ | ❌ | ✅[^6]
{ref}`storage-optimized-volume-refresh` | ❌ | ✅ | ✅[^2] | ✅ | ✅[^3] | ➖ | ➖ | ❌ | ✅[^6]
Copy on write | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ➖ | ✅ | ✅
Block based | ❌ | ❌ | ✅ | ❌ | ✅ | ❌ | ➖ | ✅ | ✅
Instant cloning | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ➖ | ❌ | ✅
Storage driver usable inside a container | ✅ | ✅ | ❌ | ✅[^4] | ❌ | ➖ | ➖ | ❌ | ❌
Restore from older snapshots (not latest) | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ➖ | ✅ | ✅
Storage quotas | ✅[^5] | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅
Available on `lxd init` | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ❌ | ❌
Object storage | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ✅ | ❌ | ❌

[^1]: Volumes of type `block` will fall back to non-optimized transfer when migrating to an older LXD server that doesn't yet support the `RBD_AND_RSYNC` migration type.
[^2]: Requires {config:option}`storage-lvm-pool-conf:lvm.use_thinpool` to be enabled. Only when refreshing local volumes.
[^3]: Only for volumes of type `block`.
[^4]: Requires {config:option}`storage-zfs-volume-conf:zfs.delegate` to be enabled.
[^5]: % Include content from [storage_dir.md](storage_dir.md)
[^6]: The optimized refresh works only on the single PureStorage array that is used by single LXD host or cluster.

```{include} storage_dir.md
:start-after: <!-- Include start dir quotas -->
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