Storage Pool Recover
The "Add Hot-spare(s) / Recover Storage Pool" feature in QuantaStor serves two primary purposes: adding hot-spare drives to a storage pool and recovering a storage pool from a failed or degraded state.
If you are using hardware RAID then you will mark hot-spare disks in the 'Hardware Enclosures & Controllers' section. This is the most common way of managing spare disk drives but you can also designate spares at the software RAID level using this dialog if you're using software RAID5/6/10/Z/Z2.
- Add Hot-spare(s): Hot-spare drives are unused drives that are kept in the storage system and are ready to automatically replace a failed or degraded drive in a storage pool. The "Add Hot-spare(s)" functionality allows you to designate one or more drives as hot-spares within a storage pool. These drives remain idle until a drive failure occurs within the pool. When a failure is detected, the hot-spare drive automatically replaces the failed drive, ensuring continuous operation and minimizing downtime. Adding hot-spares enhances the fault tolerance and availability of the storage pool.
- Recover Storage Pool: In the event of a failed or degraded storage pool, the "Recover Storage Pool" feature helps restore the pool to a healthy state. When a drive within the storage pool fails or becomes degraded, the pool may experience data loss or reduced redundancy. The recovery process involves replacing the failed drive with a hot-spare drive or a new drive and initiating the recovery operation. QuantaStor will automatically rebuild the data onto the new drive, restoring data redundancy and bringing the pool back to a fully functional state.
The "Add Hot-spare(s) / Recover Storage Pool" feature provides the following benefits:
- High Availability: By adding hot-spare drives, the storage pool can automatically recover from drive failures, ensuring continuous operation and minimizing downtime.
- Data Protection: The hot-spare drives help protect data by quickly replacing failed drives and maintaining data redundancy within the storage pool. This reduces the risk of data loss.
- Simplified Management: The feature simplifies the management of hot-spare drives and the recovery process. It provides an interface to designate drives as hot-spares and guides you through the steps to replace failed drives and recover the storage pool.
- Automated Recovery: QuantaStor automates the recovery process by initiating the data rebuild onto the hot-spare or replacement drive. This eliminates the need for manual intervention and reduces the recovery time.
- Monitoring and Notifications: QuantaStor monitors the health of the storage pool and alerts you when a drive failure or degradation occurs. It provides notifications and status updates during the recovery process, keeping you informed about the progress and ensuring timely actions.
To summerize, "Add Hot-spare(s) / Recover Storage Pool" feature in QuantaStor enhances the fault tolerance and availability of storage pools by allowing the addition of hot-spare drives and facilitating the recovery process in case of drive failures or degradations. It automates the recovery operation, simplifies management, and helps maintain data integrity and system availability.
Navigation: Storage Management --> Storage Pools --> Storage Pool --> Add Hot-spare(s) (toolbar)