- Notes, cautions, and warnings
- Introduction to this guide
- PowerScale scale-out NAS
- APEX File Storage for AWS
- APEX File Storage for AWS introduction
- APEX File Storage for AWS infrastructure overview
- APEX File Storage for AWS deployment
- What are you deploying?
- EC2 instance types configuration options
- EBS disk volume type configuration options
- APEX File Storage for AWS account ID and region
- APEX File Storage for AWS subscription and permissions
- Activate APEX File Storage for AWS product license
- Validate the Amazon Machine Image (AMI) signature
- Download and install the AWS Command Line Interface (AWS CLI)
- Post APEX File Storage for AWS deployment tasks
- APEX File Storage for Azure
- General cluster administration
- General cluster administration overview
- User interfaces
- Connecting to the cluster
- Licensing
- Certificates
- Viewing and Editing TLS Authority Certificates
- Importing TLS Authority Certificates
- Replacing TLS Authority Certificates - Overview
- Deleting TLS Authority Certificates
- Viewing and Editing TLS Server Certificates
- Importing TLS Server Certificates
- Configuring TLS Certificate Settings
- TLS certificate data example
- Cluster identity
- Cluster date and time
- SMTP email settings
- Configuring the cluster join mode
- File system settings
- Security hardening
- Cluster monitoring
- Monitoring cluster hardware
- Events and alerts
- Healthcheck Evaluations
- Cluster maintenance
- SupportAssist
- Secure Remote Services (SRS) Summary
- Access zones
- Authentication
- Authentication overview
- Authentication provider features
- Security Identifier (SID) history overview
- Supported authentication providers
- Active Directory
- LDAP
- NIS
- Kerberos authentication
- File provider
- Local provider
- Multifactor authentication (MFA)
- Single sign-on overview
- Multi-instance active directory
- LDAP public keys
- Managing Active Directory providers
- Managing LDAP providers
- Managing NIS providers
- Managing MIT Kerberos authentication
- Managing file providers
- Managing local users and groups
- View a list of users or groups by provider
- Create a local user
- Create a local group
- Naming rules for local users and groups
- Modify a local user
- Modify a local group
- Delete a local user
- Delete a local group
- Configure a login delay
- Set a concurrent session limit
- Set a new user account to disable when inactive
- Set an existing user account to disable when inactive
- Configure minimum password requirements
- Configure the password hash type
- Set password expiration
- Set minimum new password changes
- Set lock users criteria
- Reset a user password
- Managing SSO
- Administrative roles and privileges
- Identity management
- Home directories
- Home directories overview
- Home directory permissions
- Authenticating SMB users
- Home directory creation through SMB
- Home directory creation through SSH and FTP
- Home directory creation in a mixed environment
- Interactions between ACLs and mode bits
- Default home directory settings in authentication providers
- Supported expansion variables
- Domain variables in home directory provisioning
- Data access control
- File sharing
- File sharing overview
- SMB security
- SMB shares in access zones
- SMB Multichannel
- SMB share management through MMC
- SMBv3 encryption
- SMB server-side copy
- SMB continuous availability
- SMB file filtering
- Symbolic links and SMB clients
- Anonymous access to SMB shares
- Managing SMB settings
- Managing SMB shares
- Create an SMB share
- Modify SMB share permissions, performance, or security
- Delete an SMB share
- Limit access to /ifs share for the Everyone account
- Configure anonymous access to a single SMB share
- Configure anonymous access to all SMB shares in an access zone
- Add a user or group to an SMB share
- Configure multi-protocol home directory access
- NFS security
- FTP
- HTTP and HTTPS security
- File filtering
- Auditing
- Auditing overview
- Syslog
- Syslog forwarding and TLS
- OpenBSM service
- Protocol audit events
- Audit log purging
- Managing audit settings
- Enable configuration change auditing
- Forward configuration changes to syslog
- Enable protocol access auditing
- Forward protocol access events to syslog
- Configure protocol audited zones
- Configure protocol event filters
- Enable system auditing and forwarding
- Import certificate for TLS syslog forwarding
- Set the audit hostname
- View audit settings
- Automatic deletion
- Manual deletion
- Integrating with the Common Event Enabler
- Tracking the delivery of protocol audit events
- Snapshots
- Snapshots overview
- Data protection with SnapshotIQ
- Snapshot disk-space usage
- Snapshot schedules
- Snapshot aliases
- File and directory restoration
- Best practices for creating snapshots
- Best practices for creating snapshot schedules
- File clones
- Snapshot locks
- Snapshot reserve
- Writable snapshots
- SnapshotIQ license functionality
- Creating snapshots with SnapshotIQ
- Managing snapshots
- Restoring snapshot data
- Managing snapshot schedules
- Managing snapshot aliases
- Managing with snapshot locks
- Configure SnapshotIQ settings
- Set the snapshot reserve
- Managing changelists
- Deduplication with SmartDedupe
- Data replication with SyncIQ
- SyncIQ data replication overview
- Replication policies and jobs
- Replication snapshots
- Data failover and failback with SyncIQ
- Recovery times and objectives for SyncIQ
- Replication policy priority
- SyncIQ license functionality
- Replication for nodes with multiple interfaces
- Restrict SyncIQ source nodes
- Creating replication policies
- Managing replication to remote clusters
- Initiating data failover and failback with SyncIQ
- Performing disaster recovery for older SmartLock directories
- Managing replication policies
- Managing replication to the local cluster
- Managing replication performance rules
- Managing replication reports
- Managing failed replication jobs
- Data Encryption with SyncIQ
- Data Transfer with Datamover (SmartSync)
- Data layout with FlexProtect
- Large file size support
- NDMP backup and recovery
- NDMP backup and recovery overview
- NDMP two-way backup
- NDMP three-way backup
- Support for NDMP sessions on Generation 6 hardware
- Setting preferred IPs for NDMP three-way operations
- NDMP multi-stream backup and recovery
- Snapshot-based incremental backups
- NDMP backup and restore of SmartLink files
- NDMP protocol support
- Supported DMAs
- NDMP hardware support
- NDMP backup limitations
- NDMP performance recommendations
- Excluding files and directories from NDMP backups
- Configuring basic NDMP backup settings
- Managing NDMP user accounts
- NDMP environment variables overview
- Managing NDMP contexts
- Managing NDMP sessions
- Managing NDMP Fibre Channel ports
- Managing NDMP preferred IP settings
- Managing NDMP backup devices
- NDMP dumpdates file overview
- NDMP restore operations
- Sharing tape drives between clusters
- Managing snapshot based incremental backups
- Managing cluster performance for NDMP sessions
- Managing CPU usage for NDMP sessions
- File retention with SmartLock
- SmartLock overview
- Compliance mode
- Enterprise mode
- SmartLock directories
- Replication and backup with SmartLock
- SmartLock license functionality
- SmartLock considerations
- Set the compliance clock
- View the compliance clock
- Creating a SmartLock directory
- Managing SmartLock directories
- Managing files in SmartLock directories
- Set a retention period through a UNIX command line
- Set a retention period through Windows Powershell
- Commit a file to a WORM state through a UNIX command line
- Commit a file to a WORM state through Windows Explorer
- Override the retention period for all files in a SmartLock directory
- Delete a file committed to a WORM state
- View WORM status of a file
- Protection domains
- Data-at-rest-encryption
- Data-at-rest encryption overview
- Self-encrypting drives
- Data security on self-encrypting drives
- Data migrations and upgrades to a cluster with self-encrypting drives
- Enabling external key management
- Migrate nodes and SEDs to external key management
- Chassis and drive states
- Smartfailed drive REPLACE state
- Smartfailed drive ERASE state
- S3 Support
- SmartQuotas
- SmartQuotas overview
- Quota types
- Default quota type
- Usage accounting and limits
- Disk usage calculations
- Quota notifications
- Quota notification rules
- Quota reports
- Creating quotas
- Managing quotas
- Managing quota notifications
- Email quota notification messages
- Managing quota reports
- Basic quota settings
- Advisory limit quota notification rules settings
- Soft limit quota notification rules settings
- Hard limit quota notification rules settings
- Limit notification settings
- Quota report settings
- Storage Pools
- Storage pools overview
- Storage pool functions
- Autoprovisioning
- Node pools
- Virtual hot spare
- Spillover
- Suggested protection
- Protection policies
- SSD strategies
- Other SSD mirror settings
- Global namespace acceleration
- L3 cache overview
- Tiers
- File pool policies
- Managing node pools in the web administration interface
- Managing L3 cache from the web administration interface
- Managing tiers
- Creating file pool policies
- Managing file pool policies
- Configure default file pool protection settings
- Default file pool requested protection settings
- Configure default I/O optimization settings
- Default file pool I/O optimization settings
- Modify a file pool policy
- Prioritize a file pool policy
- Create a file pool policy from a template
- Delete a file pool policy
- Monitoring storage pools
- Pool-based tree reporting in FSAnalyze (FSA)
- System jobs
- Networking
- Networking overview
- About the internal network
- About the external network
- Configuring the internal network
- Managing IPv6
- Managing groupnets
- Managing external network subnets
- Managing IP address pools
- Managing SmartConnect Settings
- Managing network interface members
- Managing node provisioning rules
- Managing routing options
- Managing DNS cache settings
- Managing host-based firewalls
- Modify the OneFS firewall service
- Create a firewall policy
- View a firewall policy
- Create a firewall rule
- View a firewall rule
- Modify a firewall rule
- Delete a firewall rule
- Clone a firewall policy
- Delete a firewall policy
- Associate a network subnet or pool to a firewall policy
- Reset the global default firewall policies
- Managing TCP ports
- NFSoRDMA
- Smart QoS
- Antivirus
- Antivirus overview
- On-access scanning
- ICAP Antivirus policy scanning
- Individual file scanning using ICAP
- WORM files and antivirus
- Antivirus scan reports
- ICAP servers
- CAVA servers
- ICAP threat responses
- CAVA threat responses
- Configuring global antivirus settings
- Managing ICAP servers
- Managing CAVA servers
- Add and connect to a CAVA server
- List or view CAVA servers
- Modify CAVA connection settings
- Disable connection to a CAVA server
- Delete connection to a CAVA server
- Add a job to a CAVA server
- View an IP pool in a CAVA server
- Create an Active Directory authentication provider for the AvVendor access zone
- Update the role in the access zone
- Scan CloudPool files in a CAVA server
- Create an antivirus policy
- Managing ICAP antivirus policies
- Managing antivirus scans
- Managing antivirus threats
- Managing antivirus reports
- File System Explorer
PowerScale OneFS 9.8.0.0 Web Administration Guide
Requesting data protection
You can specify the protection of a file or directory by setting its requested protection. This flexibility enables you to protect distinct sets of data at higher than default levels.
Requested protection of data is calculated by OneFS and set automatically on storage pools within your cluster. The default setting is referred to as suggested protection, and provides the optimal balance between data protection and storage efficiency. For example, a suggested protection of N+2:1 means that two drives or one node can fail without causing any data loss.
For best results, we recommend that you accept at least the suggested protection for data on your cluster. You can always specify a higher protection level than suggested protection on critical files, directories, or node pools.
OneFS allows you to request protection that the cluster is currently incapable of matching. If you request an unmatchable protection, the cluster will continue trying to match the requested protection until a match is possible. For example, in a four-node cluster, you might request a mirror protection of 5x. In this example, OneFS would mirror the data at 4x until you added a fifth node to the cluster, at which point OneFS would reprotect the data at 5x.
If you set requested protection to a level below suggested protection, OneFS warns you of this condition.
NOTE:
For 4U Isilon IQ X-Series and NL-Series nodes, and IQ 12000X/EX 12000 combination platforms, the minimum cluster size of three nodes requires a minimum protection of N+2:1.
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