ESXI服务器RAID5阵列操作失误求助：阵列处于Parity Initialization状态

Hey there, let's break down your questions one by one based on hands-on experience with HP P410 controllers and ESXi environments:

1. “Parity Initialization”是不是RAID重建？ #

Absolutely—this is exactly HP's terminology for the RAID5 rebuild process. After you fixed the array (corrected the mis-removed disk and re-enabled the logical drive), the controller needs to recalculate parity data across all drives and sync the replacement disk (or the previously mis-disconnected healthy disk) with the rest of the array. This background process is what’s labeled as Parity Initialization on the P410, and it’s functionally identical to a standard RAID rebuild.

2. 数据是否安全？ #

As long as you don’t interrupt the process (no unexpected power loss, no more drive removals), your data is safe. The parity initialization only recalculates and writes parity information—it won’t overwrite or damage existing user data. The only risk here is if another drive fails during this process: RAID5 can only tolerate one drive failure at a time, so losing a second drive mid-initialization would put your data at risk. Just keep the server stable until it finishes.

3. 此模式下数据能否访问？ #

Yes, fully accessible! The P410 handles parity initialization as a background task, which means ESXi and your VMs can run normally while the process is underway. You’ll be able to boot ESXi, mount your datastores, and use your VMs like you normally would—you might just notice a slight dip in disk performance since the controller is splitting resources between user I/O and the initialization process.

补充：ESXi启动后的数据存储（针对你未完成的提问） #

Since your question cut off here, I’ll cover the most common scenario: as long as the logical drive shows up as healthy (with initialization in progress) in the P410 setup utility, ESXi should detect and mount your datastore automatically. If it doesn’t, head into ESXi’s Storage Adapters menu, rescan the storage controller, and the datastore should pop up. All your VM data should be intact and usable.

内容的提问来源于stack exchange，提问作者Karnalta