Locking disks using OceanStor 9000

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OceanStor 9000 does not provide disk locking functions.

Other related questions:
Storing redundant data on dedicated disks or nodes or providing redundancy between disks during data protection on OceanStor 9000
OceanStor 9000 does not store redundant data on any dedicated hot-spare disks or nodes for data protection. All storage nodes are provided for the same purpose. Raw data and redundant data are evenly stored on all nodes and disks of OceanStor 9000 which are available as recovery resources.

Whether OceanStor 9000 has hot spare or backup disks
OceanStor 9000 does not have any hot spare or backup disks. All storage nodes are provided for the same purpose. Raw data and redundant data are evenly stored on all nodes and disks of OceanStor 9000, and such data is available as recovery resources.

OceanStor 9000 V100R001C01 data recovery for a failed disk
OceanStor 9000 V100R001C01 recovers data for a failed disk using the following methods: 1. If the disk has been offline for at most 10 minutes and has turned offline for no more than four times within 10 minutes, OceanStor 9000 V100R001C01 updates data changes within the offline duration to a normal disk and ensures zero loss of original data on the failed disk. 2. If the disk has been offline for over 10 minutes or has returned offline for five times within 10 minutes, or the failed disk cannot be restored and cannot go online again, OceanStor 9000 V100R001C01 obtains the data on the failed disk through calculations and writes the data to other normal disks.

Functions of solid state disks (SSDs) on OceanStor 9000
SSDs are configured on OceanStor 9000 to store small files. By default, one SSD is configured for each type of node. If needed, more or no SSDs can be configured.

Cabinets used by OceanStor 9000 V100R001C01
The FR42611 and FR42612L cabinets are recommended for OceanStor 9000 V100R001C01.

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