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Updated Tiered Storage (markdown)

Chris Lu 2021-02-22 01:35:16 -08:00
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Tiered-Storage.md

@ -31,10 +31,18 @@ https://github.com/chrislusf/seaweedfs/wiki/Path-Specific-Configuration
When `volume.balance` or `volume.fix.replication`, the volume disk type would not change.
### Change by `volume.tier.move`
`volume.tier.move` in `weed shell` can be used to change the disk type for one whole collection.
```
volume.tier.move -fromDiskType=hdd -toDiskType=ssd -quietFor=1s -fullPercent=0.001 -collection=benchmark -force
```
### Change by `volume.move`
`volume.move` in `weed shell` can be used to move across volume servers:
```
volume.move -source <source volume server host:port> -target <target volume server host:port> -volumeId <volume id> -disk [hdd|ssd]
```
### Manually move volume files
For now, if you only want to change the disk type of a volume, and the volume server is not running, you can simply move the volume data from ssd directory to hdd directory, or vice versa.