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For details, see Overview of Using EVS Disks to Create RAID Arrays. <RAID-level>: Set this parameter based on the actual condition. In this example, set it to RAID 10. <device-name-of-the-disk>: Enter the device names of all the disks that will be used to create the RAID array.
Parent Topic: Managing EVS Disks
Parent Topic: EVS Disks
If you need to attach an EVS disk to an existing BMS, Device Type of the EVS disk must be SCSI. If you need to create an EVS disk and attach it to the BMS, you must select SCSI in Advanced Settings when you create the EVS disk. Parent topic: Disk FAQ
Querying Information About EVS Disks Attached to a BMS (Deprecated) Function This API is used to query information about EVS disks attached to a BMS. This API has been deprecated. Use the API in Querying EVS Disks Attached to a BMS.
What Do I Do If I Cannot Log In to My BMS or the BMS EVS Disk Is Lost After the BMS Is Started or Restarted? Symptom After a BMS is started or restarted, the user cannot log in to the BMS or the BMS EVS disk is lost.
Parent Topic: Managing EVS Disks
How Do I Enable Automatic Initialization of EVS Disks on Instances that Have Been Added to an AS Group During Scaling Actions? Scenarios After an ECS instance is created, you need to manually initialize EVS disks attached to the instance before using them.
How Do I Enable Automatic Initialization of EVS Disks on Instances that Have Been Added to an AS Group During Scaling Actions? Scenarios After an ECS instance is created, you need to manually initialize EVS disks attached to the instance before using them.
You can obtain the BMS ID from the BMS console or by calling the Querying BMSs (Deprecated). volume_id Yes Specifies the EVS disk ID. You can query attached EVS disks attached to a BMS using the Querying Information About EVS Disks Attached to a BMS (Deprecated) API.
Data Protection EVS uses the encryption function to protect the confidentiality of static data stored on EVS disks. Table 1 EVS data protection Measure Description Reference Disk encryption 1. Empty encrypted disks can be created. 2.
AZ See Available Zone E Elastic Volume Service Elastic Volume Service (EVS) disks are a type of virtual block storage devices that use the distributed architecture and can be elastically expanded. You can operate EVS disks online.
What Should I Do If I/O Suspension Occasionally Occurs When SCSI EVS Disks Are Used? Symptom When SCSI EVS disks are used and containers are created and deleted on a CentOS node, the disks are frequently mounted and unmounted.
Configuring Auto Mount of the EVS-based RAID Array at Server Startup Scenarios This section shows how to add RAID array information, such as the device name and UUID to the mdadm configuration file. In this case, the RAID array can be started by querying information in the configuration
Overview Welcome to Elastic Volume Service API Reference. Elastic Volume Service (EVS) offers scalable block storage for cloud servers.
What Can I Do If the Partition Capacity Fails to Be Expanded Using growpart After the EVS Disk Capacity Is Expanded? Symptom After the capacity of an EVS disk is expanded, running the growpart command to expand the partition capacity fails.
Common Application Scenarios and Usage Instructions of SCSI EVS Disks BMSs support only SCSI EVS disks. Shared SCSI EVS disks: Shared SCSI EVS disks must be used together with a distributed file system or cluster software.
Disk Encryption EVS enables you to encrypt data on newly created disks as required. It uses the industry-standard XTS-AES-256 cryptographic algorithm and keys to encrypt EVS disks.
For details, see section "EVS Snapshot (OBT)" in the Elastic Volume Service Product Description. Parent topic: Backup and Restoration
How Do I Handle a Network Failure After Services Are Switched from a Windows BMS Booted from an EVS Disk to an HA BMS? Scenarios After services are switched from a Windows BMS booted from an EVS disk to an HA BMS, the HA BMS cannot connect to the network.
