- Notes, cautions, and warnings
- S3
- Amazon S3 API support in ECS
- S3 API supported and unsupported features
- Bucket policy support
- Object Tagging
- S3 Object Lock
- Object lifecycle management
- S3 Extensions
- Metadata Search
- S3 and Swift Interoperability
- Create and manage secret keys
- Authenticating with the S3 service
- Using s3curl with ECS
- Use SDKs to access the S3 service
- ECS S3 error codes
- Hadoop S3A for ECS
- Enabling data2 IP in ECS S3
- Cloud DVR
- ECS IAM for S3
- OpenStack Swift
- EMC Atmos
- CAS
- Setting up CAS support in ECS
- Cold Storage
- Compliance
- CAS retention in ECS
- Advanced retention for CAS applications: event-based retention, litigation hold, and the min/max governor
- Set up namespace retention policies
- Create and set up a bucket for a CAS user
- Set up a CAS object user
- Set up bucket ACLs for CAS
- ECS Management APIs that support CAS users
- Content Addressable Storage (CAS) SDK API support
- ECS CAS error codes
- Enabling data2 IP in CAS
- ECS Management REST API
- ECS HDFS
- ECS HDFS Introduction
- Configuring Hadoop to use ECS HDFS
- Hadoop authentication modes
- Migration from a simple to a Kerberos Hadoop cluster
- File system interaction
- Supported Hadoop applications
- Integrate a simple Hadoop cluster with ECS HDFS
- Install Hortonworks HDP using Ambari
- Create a bucket for HDFS using the ECS Portal
- Plan the ECS HDFS and Hadoop integration
- Obtain the ECS HDFS installation and support package
- Deploy the ECS HDFS Client Library
- Configure ECS client properties
- Set up Hive
- Verify Hadoop access to ECS
- Secure the bucket
- Relocate the default file system from HDFS to an ECS bucket
- Integrate a secure Hadoop cluster with ECS HDFS
- Verify that AD/LDAP is correctly configured with a secure Hadoop cluster
- Pig test fails: unable to obtain Kerberos principal
- Permission denied for AD user
- Permissions errors
- Failed to process request
- Enable Kerberos client-side logging and debugging
- Debug Kerberos on the KDC
- Eliminate clock skew
- Configure one or more new ECS nodes with the ECS service principal
- Workaround for Yarn directory does not exist error
- Set up the Kerberos KDC
- Configure AD user authentication for Kerberos
- Secure bucket metadata
- Hadoop core-site.xml properties for ECS HDFS
- Hadoop core-site.xml properties for ECS S3
- External key management
- Document feedback
ECS 3.6.2 Data Access Guide
Managing Object Lock
ECS S3 Object Lock allows you to manage object retention through retention periods and legal holds.
- Through retention period, you can specify a period during which an object remains locked. During the specified period, the object is WORM-protected, that is, the object cannot be overwritten or deleted.
- Legal hold provides the same protection similar to retention period. However, legal hold is independent from retention period and it does not have an expiration date. Legal hold can be remained in objects until you explicitly remove it.
Retention period and legal hold can be specified in objects by any user who has the appropriate Object Lock permissions. For the list of supported Object Lock condition keys and permissions, see ECS S3 Object Lock condition keys and ECS S3 Object Lock permissions.
Retention mode
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