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doc-exports/docs/sdrs/umn/CLASS.TXT.json
weihongmin1 aec20f17ba SDRS UMN 11104 Version 
Reviewed-by: Muller, Martin <martin.muller@t-systems.com>
Co-authored-by: weihongmin1 <weihongmin1@huawei.com>
Co-committed-by: weihongmin1 <weihongmin1@huawei.com>
2025-11-06 12:33:28 +00:00

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[
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"Service Overview",
"uri":"sdrs_pro_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"1"
},
{
"desc":"Storage Disaster Recovery Service (SDRS) provides disaster recovery (DR) services for many cloud services, such as Elastic Cloud Server (ECS) and Elastic Volume Service (",
"product_code":"sdrs",
"title":"What Is SDRS?",
"uri":"en-us_topic_0125068221.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"2"
},
{
"desc":"SDRS has the following advantages:Convenient service recoverySDRS provides a management console. You can configure and manage server replication and perform switchovers o",
"product_code":"sdrs",
"title":"SDRS Advantages",
"uri":"en-us_topic_0108180804.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"3"
},
{
"desc":"SDRS uses storage-layer synchronization and replication to provide cross-AZ DR to ensure data crash consistency and server-level protection with zero RPO. If a source AZ ",
"product_code":"sdrs",
"title":"Application Scenarios",
"uri":"sdrs_pro_0003.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"4"
},
{
"desc":"Before using SDRS, learn about the constraints listed in Table 1.If the AZ of the production site becomes faulty, you can use the DR drill function to restore the server ",
"product_code":"sdrs",
"title":"Constraints",
"uri":"en-us_topic_0110981899.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"5"
},
{
"desc":"DescriptionThe production site has a fault. Services at the production site are affected and cannot be restored using the failover function.Production site being faultyTh",
"product_code":"sdrs",
"title":"Supported DR Scenarios",
"uri":"sdrs_pro_0008.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"6"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"Relationships with Other Services",
"uri":"sdrs_pro_0010.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"7"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"Basic Concepts",
"uri":"sdrs_pro_0012.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"8"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"SDRS Concepts",
"uri":"sdrs_pro_0013.html",
"doc_type":"usermanual",
"p_code":"8",
"code":"9"
},
{
"desc":"A region and availability zone (AZ) identify the location of a data center. You can create resources in a specific region and AZ.A region is a physical data center, which",
"product_code":"sdrs",
"title":"Region and AZ",
"uri":"sdrs_pro_0014.html",
"doc_type":"usermanual",
"p_code":"8",
"code":"10"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"Getting Started",
"uri":"sdrs_qs_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"11"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"Configuring Cross-AZ DR",
"uri":"sdrs_qs_0001.html",
"doc_type":"usermanual",
"p_code":"11",
"code":"12"
},
{
"desc":"SDRS provides cross-AZ server-level protection (RPO = 0) in case applications at a production site cannot restore in a short period of time caused by force majeure like f",
"product_code":"sdrs",
"title":"Configuration Process",
"uri":"en-us_topic_0108180816.html",
"doc_type":"usermanual",
"p_code":"12",
"code":"13"
},
{
"desc":"You can specify two AZs as the source and target AZs, and create a protection group. Then, you can create protected instances and replication pairs in this protection gro",
"product_code":"sdrs",
"title":"Step 1: Create a Protection Group",
"uri":"en-us_topic_0108180805.html",
"doc_type":"usermanual",
"p_code":"12",
"code":"14"
},
{
"desc":"You can create protected instances using the servers that you want to perform DR protection. If the current production site encounters an unexpected large-scale server fa",
"product_code":"sdrs",
"title":"Step 2: Create a Protected Instance",
"uri":"en-us_topic_0110037558.html",
"doc_type":"usermanual",
"p_code":"12",
"code":"15"
},
{
"desc":"If you want to enable protection for all resources in a specified protection group, you can perform steps provided in this section.When data is written to the disks of th",
"product_code":"sdrs",
"title":"Step 3: Enable Protection",
"uri":"en-us_topic_0110046974.html",
"doc_type":"usermanual",
"p_code":"12",
"code":"16"
},
{
"desc":"DR drills can be used to simulate fault scenarios, develop emergency recovery solutions, and verify whether the solutions are applicable and effective. Existing services ",
"product_code":"sdrs",
"title":"Performing a DR Drill",
"uri":"en-us_topic_0122528555.html",
"doc_type":"usermanual",
"p_code":"11",
"code":"17"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"Management",
"uri":"sdrs_ug_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"18"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"Managing Protection Groups",
"uri":"sdrs_ug_pg_0000.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"19"
},
{
"desc":"If you want to disable protection for all resources in a specified protection group, you can perform steps provided in this section.Once the protection is disabled, data ",
"product_code":"sdrs",
"title":"Disabling Protection",
"uri":"sdrs_ug_pg_0001.html",
"doc_type":"usermanual",
"p_code":"19",
"code":"20"
},
{
"desc":"After you perform a switchover, services at the production site are switched to the DR site, and services at the DR site are switched over to the production site. Table 1",
"product_code":"sdrs",
"title":"Performing a Switchover",
"uri":"sdrs_ug_pg_0002.html",
"doc_type":"usermanual",
"p_code":"19",
"code":"21"
},
{
"desc":"When the servers and disks at the production site become faulty due to force majeure, you can perform a failover for them and enable the servers and disks at the DR site ",
"product_code":"sdrs",
"title":"Performing a Failover",
"uri":"en-us_topic_0108560208.html",
"doc_type":"usermanual",
"p_code":"19",
"code":"22"
},
{
"desc":"Once the failover is started, data synchronization stops. After the failover is complete, the protection group is in the Protection disabled state. To restart data synchr",
"product_code":"sdrs",
"title":"Performing Reprotection",
"uri":"sdrs_ug_pg_0006.html",
"doc_type":"usermanual",
"p_code":"19",
"code":"23"
},
{
"desc":"If a protection group is no longer used, you can release the virtual resources by deleting the protection group from the system.All the protected instances, DR drills, an",
"product_code":"sdrs",
"title":"Deleting a Protection Group",
"uri":"sdrs_ug_pg_0007.html",
"doc_type":"usermanual",
"p_code":"19",
"code":"24"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"Managing Protected Instances",
"uri":"sdrs_ug_pi_0000.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"25"
},
{
"desc":"If the specifications of an existing protected instance cannot meet the service requirements, you can perform steps provided in this section to modify the server specific",
"product_code":"sdrs",
"title":"Modifying Specifications of a Protected Instance",
"uri":"en-us_topic_0110273585.html",
"doc_type":"usermanual",
"p_code":"25",
"code":"26"
},
{
"desc":"If you do not need a protected instance, you can delete it to cancel the protection relationship between the servers and the protection group.When you delete a protected ",
"product_code":"sdrs",
"title":"Deleting a Protected Instance",
"uri":"sdrs_ug_pi_0002.html",
"doc_type":"usermanual",
"p_code":"25",
"code":"27"
},
{
"desc":"You can create replication pairs for desired disks and add the replication pairs to a specified protection group. When you create a replication pair:If the protection gro",
"product_code":"sdrs",
"title":"Creating a Replication Pair",
"uri":"en-us_topic_0110037559.html",
"doc_type":"usermanual",
"p_code":"25",
"code":"28"
},
{
"desc":"You can perform steps provided in this section to attach a replication pair to a protected instance. Then, the production site disk is attached to the production site ser",
"product_code":"sdrs",
"title":"Attaching a Replication Pair",
"uri":"sdrs_ug_pi_0004.html",
"doc_type":"usermanual",
"p_code":"25",
"code":"29"
},
{
"desc":"You can perform steps provided in this section to detach a replication pair from a protected instance. Then, data of the servers in the protected instance will not be wri",
"product_code":"sdrs",
"title":"Detaching a Replication Pair",
"uri":"sdrs_ug_pi_0005.html",
"doc_type":"usermanual",
"p_code":"25",
"code":"30"
},
{
"desc":"If more NICs are required for your protected instance, you can perform steps provided in this section to add a NIC to the protected instance.The protection group is in th",
"product_code":"sdrs",
"title":"Adding a NIC",
"uri":"sdrs_ug_pi_0006.html",
"doc_type":"usermanual",
"p_code":"25",
"code":"31"
},
{
"desc":"A protected instance can have up to 12 NICs, including one primary NIC that cannot be deleted. You can perform steps provided in this section to delete a NIC other than t",
"product_code":"sdrs",
"title":"Deleting a NIC",
"uri":"sdrs_ug_pi_0007.html",
"doc_type":"usermanual",
"p_code":"25",
"code":"32"
},
{
"desc":"Tags are identifiers of protected instances. You can add tags for protected instances, and classify and search the protected instances based on these tags.You can add a m",
"product_code":"sdrs",
"title":"Managing Protected Instance Tags",
"uri":"sdrs_ug_pi_0008.html",
"doc_type":"usermanual",
"p_code":"25",
"code":"33"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"Managing Replication Pairs",
"uri":"sdrs_ug_rp_0000.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"34"
},
{
"desc":"You can create replication pairs for desired disks and add the replication pairs to a specified protection group. When you create a replication pair:If the protection gro",
"product_code":"sdrs",
"title":"Creating a Replication Pair",
"uri":"sdrs_ug_rp_0001.html",
"doc_type":"usermanual",
"p_code":"34",
"code":"35"
},
{
"desc":"If the replication pair capacity of your protection groups cannot meet your service requirements, you can perform steps provided in this section to expand the capacity of",
"product_code":"sdrs",
"title":"Expanding Replication Pair Capacity",
"uri":"sdrs_ug_rp_0002.html",
"doc_type":"usermanual",
"p_code":"34",
"code":"36"
},
{
"desc":"If a replication pair is no longer used, you can release the associated virtual resources by deleting the replication pair from the system.When you delete a replication p",
"product_code":"sdrs",
"title":"Deleting a Replication Pair",
"uri":"sdrs_ug_rp_0003.html",
"doc_type":"usermanual",
"p_code":"34",
"code":"37"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"Managing DR Drills",
"uri":"sdrs_ug_dr_0000.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"38"
},
{
"desc":"DR drills can be used to simulate fault scenarios, develop emergency recovery solutions, and verify whether the solutions are applicable and effective. Existing services ",
"product_code":"sdrs",
"title":"Performing a DR Drill",
"uri":"sdrs_ug_dr_0001.html",
"doc_type":"usermanual",
"p_code":"38",
"code":"39"
},
{
"desc":"If a DR drill is no longer used, you can release the virtual resources by deleting the DR drill from the system. When you delete a DR drill, all the drill servers in it a",
"product_code":"sdrs",
"title":"Deleting a DR Drill",
"uri":"sdrs_ug_dr_0002.html",
"doc_type":"usermanual",
"p_code":"38",
"code":"40"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"Interconnecting with CTS",
"uri":"sdrs_ug_cts_0000.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"41"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"Key SDRS Operations Recorded by CTS",
"uri":"sdrs_ug_cts_0001.html",
"doc_type":"usermanual",
"p_code":"41",
"code":"42"
},
{
"desc":"After you enable CTS, the system starts recording operations on SDRS. You can view operation records of the last seven days on the management console.Log in to the manage",
"product_code":"sdrs",
"title":"Viewing Traces",
"uri":"sdrs_ug_cts_0002.html",
"doc_type":"usermanual",
"p_code":"41",
"code":"43"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"FAQs",
"uri":"sdrs_06_0400.html",
"doc_type":"usermanual",
"p_code":"",
"code":"44"
},
{
"desc":"Disaster recovery (DR) is a broad concept.In a broad sense, DR is a systematic project that includes all abilities related to business continuity. Regarding IT, DR provid",
"product_code":"sdrs",
"title":"What Is DR?",
"uri":"sdrs_06_0410.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"45"
},
{
"desc":"SDRS provides the following features:Convenient service recoverySDRS provides a management console. You can configure and manage server replication and perform a switchov",
"product_code":"sdrs",
"title":"What Are the Highlights of SDRS?",
"uri":"sdrs_06_0430.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"46"
},
{
"desc":"Recovery Point Objective (RPO): the maximum data loss amount tolerated by the system.Recovery Time Objective (RTO): the maximum service interruption duration tolerated by",
"product_code":"sdrs",
"title":"What Are RPO and RTO?",
"uri":"sdrs_06_0440.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"47"
},
{
"desc":"Differences between disaster recovery (DR) and backup are as follows:DR is used to prevent impacts on the systems caused by natural disasters, such as fires and earthquak",
"product_code":"sdrs",
"title":"What Are the Differences Between DR and Backup?",
"uri":"en-us_topic_0109956554.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"48"
},
{
"desc":"The production site server in a protection group runs the SUSE OS. After users enable protection and perform a switchover for the protection group, the EIP of the server ",
"product_code":"sdrs",
"title":"What Can I Do When the EIP Cannot Be Pinged After I Perform a Switchover for a Protection Group Containing a SUSE Server?",
"uri":"sdrs_06_0402.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"49"
},
{
"desc":"The production site server runs the SUSE OS. After users create a DR drill using this server, the NIC names of the DR drill server are different from those of the product",
"product_code":"sdrs",
"title":"What Can I Do If the NIC Names of the DR Drill Server and Production Site Server Are Different?",
"uri":"sdrs_06_0403.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"50"
},
{
"desc":"Users have changed hostname of the production site server before they perform a switchover or failover for the first time. After the switchover or failover, users start t",
"product_code":"sdrs",
"title":"What Can I Do If hostname of the Production Site Server and DR Site Server Are Different After a Switchover or Failover?",
"uri":"sdrs_06_0404.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"51"
},
{
"desc":"SDRS performs switchovers or failovers for protection groups. After a switchover or failover, the production site and DR site exchange. When the production site is functi",
"product_code":"sdrs",
"title":"Why NICs of DR Site Servers Are Not Displayed After I Perform a Failover?",
"uri":"sdrs_faq_0004.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"52"
},
{
"desc":"If the production site server runs Windows and uses a key pair for login, ensure that the key pair exists when you create a protected instance or a DR drill. Or, the DR s",
"product_code":"sdrs",
"title":"What Are the Precautions If I Log In to the Production Site Server Using a Key Pair?",
"uri":"sdrs_faq_0005.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"53"
},
{
"desc":"No. SDRS does not support automatic failover. You need to manually execute a failover via API or on the console.",
"product_code":"sdrs",
"title":"Does SDRS Support Automatic Failover?",
"uri":"sdrs_faq_0007.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"54"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"sdrs",
"title":"Change History",
"uri":"en-us_topic_0288665269.html",
"doc_type":"usermanual",
"p_code":"",
"code":"55"
},
{
"desc":"For details about the glossaries in this document, see Glossary.",
"product_code":"sdrs",
"title":"Glossary",
"uri":"en-us_topic_0288665370.html",
"doc_type":"usermanual",
"p_code":"",
"code":"56"
}
]
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