A Single Cluster Supports More Storage Combinations
Starting from ZStack Cloud 5.5.0, a single cluster now supports the following additional storage combinations:
1 CBD + multiple SharedBlock
1 CBD + multiple LocalStorage
1 CBD + 1 Ceph
1 Vhost + multiple SharedBlock
1 Ceph + multiple NFS
You can flexibly combine different types of storage resources based on business scenario requirements, enabling more granular storage management.Figure 1. CBD + SharedBlock Figure 2. CBD + LocalStorage Figure 3. CBD + Ceph Figure 4. Vhost + SharedBlock Figure 5. Ceph + NFS
CBD Primary Storage Enhancements
ZStack Cloud 5.5.0 enhances CBD primary storage with the following features.
Supports Adding Multiple Storage Pools
Starting from ZStack Cloud 5.5.0, you can add multiple storage pools at once when adding CBD primary storage, simplifying multi-pool configuration. Operations for storage pools are also enhanced: you can flexibly add or remove storage pools as needed and set easily identifiable display names for each pool.Figure 1. Add Multiple Storage Pools to CBD Primary Storage
Supports Configuring Overcommitment
On the Advanced Settings tab of the CBD details page, you can set an overcommitment ratio for the CBD primary storage. This controls the virtual allocatable space that can be overcommitted when creating volumes on this storage.Figure 2. Set Overcommit for CBD Primary Storage
Supports Specifying Volume Provisioning Types in Cross-SharedBlock Migration
Starting from ZStack Cloud 5.5.0, the storage migration feature adds support for custom volume provisioning types. When performing Change Primary Storage or Change Host and Primary Storage operations across SharedBlock Primary Storage, you can use the Volume Provisioning Type option to choose from four strategies: Source Format, Destination Format, Thin Provision, or Thick Provision. This allows you to customize the provisioning type of the volume after migration, ensuring the continuity and consistency of business storage policies during the migration process.
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