Dell PowerVault NX3500 Uživatelský manuál

Dell FluidFS V3 NAS Solutions For PowerVault NX3500, NX3600, And NX3610Administrator's Guide

Deleting a NAS Appliance from the FluidFS Cluster...161Detaching, Attaching, and Repla

user or group. When SLP access‐based share enumeration is disabled, the CIFS share, and its folders and files, will be visible to users and groups reg

4. Click Disconnect.The Disconnect Connection dialog box appears.5. Click OK.Using CIFS Home Shares The FluidFS cluster enables you to create a share

Changing the Owner of a CIFS Share When a CIFS share is created, the owner of the CIFS share must be changed before setting any access control lists (

9. Click Other users or groups.The Select User or Group dialog box appears.10. Choose the domain admin user account that is used to set ACLs for this

NOTE: You might need to reset the local administrator password first.If there are no predefined MMC files:1. Select Start → Run.2. Type mmc and click

Accessing a CIFS Share Using the Windows Network Connect to the share using the Windows Network. This option does not map the share.1. From the Start

4. Click View Details.5. Click the NFS Exports tab on the top.Adding an NFS ExportCreate an NFS export to share a directory in a NAS volume using the

Changing the Client Access Permissions for an NFS ExportChange the permissions for clients accessing an NFS export.1. Click the NAS Volumes tab on the

9. Click OK.Enabling or Disabling Reported Size Limiting for an NFS Export To enable access for client machines that cannot handle large file systems,

3. In the All NFS Exports pane, click in the row of the NFS export you want to delete.4. Click Delete.The Delete dialog box appears.5. Click OK.Enab

1IntroductionThe Dell Fluid File System (FluidFS) network attached storage (NAS) solution is a highly-available file storage solution. The solution ag

# mount -o nfsvers=3,rsize=32768,wsize=32768 <client_VIP_or_name>:/ <volume_name>/<exported_folder> <local_folder> Accessing a

9. To enable a hard quota limit, select the Hard Quota check box and type a hard quota limit in megabytes (MB), gigabytes (GB), or terabytes (TB) at w

15. To enable a hard quota limit, select the Hard Quota check box and type a hard quota limit in megabytes (MB), gigabytes (GB), or terabytes (TB) at

9. From the Domain drop‐down menu, select the group’s domain.10. In the Starts with field, type either the full name of the group or the beginning of

8. Enable or disable the soft quota limit.– To enable the soft quota limit, select the Soft Quota check box.– To disable the soft quota limit, clear t

There are several factors to consider when enabling data reduction:• Data reduction processing has a 5‐20% impact on the performance of read operation

9. To change the number of days after which data reduction is applied to files that have not been accessed, type the number of days in the Optimize fi

Disabling Data Reduction on a NAS VolumeBy default, after disabling data reduction on a NAS volume, data remains in its reduced state during subsequen

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8FluidFS 3.0 Data ProtectionManaging the Anti-Virus ServiceThe FluidFS cluster anti‐virus service provides real‐time anti‐virus scanning of files stor

Term DescriptionFluid File System (FluidFS) A special purpose, Dell proprietary operating system providing enterprise class, high‐performance, scalabl

Excluding Files and Directory Paths from ScansYou can determine which files and directory paths are scanned, using extension or location properties as

5. In the Antivirus Server field, type the host name or IP address of the anti‐virus server.6. In the Port field, type the port that the FluidFS clust

Allowing or Denying Access to Large Unscanned FilesSpecify whether to allow or deny access to files that are larger than the specified anti‐virus scan

8. To remove an extension or folder from the exemption list, select the extension or folder and click .9. Click OK.Disabling Anti-virus Scanning for a

Creating On-Demand SnapshotsCreate a NAS volume snapshot to take an immediate point‐in‐time copy of the data.1. Click the NAS Volumes tab on the left.

10. (Optional) Configure the remaining snapshot schedule attributes as needed.– To retain all snapshots that are created by the snapshot schedule inde

Deleting a Snapshot ScheduleSpecify whether to retain all snapshots that are created by a snapshot schedule, or configure the snapshots to expire afte

7. Click Modify .The Modify Snapshot dialog box appears.8. To retain all snapshots that are created by the snapshot schedule indefinitely, clear the R

5. Click the Snapshots tab on the top.The snapshots are displayed in the Snapshots pane.Restoring a NAS Volume from a Snapshot View the snapshots avai

Restoring Files Using Windows OnlySnapshots integrate into the Shadow Copies and previous versions features of Windows. This restore option allows cli

Feature DescriptionConnectivity options 1GbE and 10GbE, copper and optical options for connectivity to the client network.Highly available and active‐

The following steps are involved in backing up NAS volume data using NDMP:1. The DMA server creates a connection to the FluidFS cluster IP address.NOT

4. Click Modify Settings.The Modify NDMP Settings dialog box appears.5. In the DMA Servers text field, type the IP address of a DMA server and click A

Changing the NDMP Client PortBy default, the NDMP server monitors port 10000 for incoming connections. You can change the client port to match the por

Viewing Active NDMP JobsView all NDMP backup and restore operations being processed by the FluidFS cluster.1. Click the Performance & Connectivity

Replication can be used in various scenarios to achieve different levels of data protection.Replication Scenarios DescriptionFast backup and restore M

different NAS volumes to different partners, depending on operational requirements. However, each individual NAS volume can be replicated to only one

Once a partner relationship is established, replication is bi‐directional. One system could hold target NAS volumes for the other system as well as so

NOTE: • Both the source and target FluidFS clusters have the same NAS appliance count. For example, if the source FluidFS cluster has two NAS applianc

systems is down or unreachable, the partnership is deleted only on the system that is running. Once the other system comes back up, the partnership mu

NOTE: • The target NAS volume must be promoted to a standalone NAS volume.• You must remove replication schedules for the replication.1. Click the NAS

NOTE: To identify the physical hardware displayed in PowerVault FluidFS Manager, match the Service Tag shown in FluidFS Manager with the Service Tag p

9. Specify when to run replication:– To run replication based on a period of time, select Take replication every [ ] minutes and type in the number of

place in a FluidFS cluster, or between a specified pair of replication partners. You can pause replication only from the source FluidFS cluster.1. Cli

Promoting a Target NAS VolumeWhen you resume replication, any replication operations that were in progress at the time the operation was disabled will

• NFS exports• Snapshot schedules• Quota rulesThis is useful in the following circumstances:• After recovering a system• After recovering a NAS volume

6. Select the settings to restore from backup:– To restore CIFS shares, select the CIFS Shares check box.– To restore NFS exports, select the NFS Expo

6. In the Restore local users from backup taken from cluster drop‐down menu, select the cluster whose backup will be used to restore local users.7. Cl

Using Replication for Disaster RecoveryYou can create a disaster recovery configuration in which you replicate data from a primary FluidFS cluster to

Dell recommends that you maintain a table to track which DNS entries are used to access each NAS volume. This helps when performing failover and setti

Phase 2 — Cluster A Fails And Client Requests Fail Over To Backup Cluster BIf source cluster A stops responding because of an unexpected failure (hard

5. Ensure that cluster B is used to temporarily serve client requests during the fail over time.Administrators must perform the following steps to set

• NAS appliance network interface connections:– Client/LAN network– SAN network– Internal networkThe following figure shows an overview of the PowerVa

5. In the NAS Manager web interface, select Data Protection → Replication → NAS Replication and click Replicate Now for all the volumes in cluster B (

9. Start using cluster A to serve client requests.Administrators must perform the following steps to set up DNS and authentication:a) Point the DNS na

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9FluidFS 3.0 MonitoringViewing the Status of Hardware ComponentsFluidFS Manager displays the status of the following NAS appliance and NAS controller

Viewing the Status of the Power SuppliesView the status of the power supplies in a NAS appliance.1. Click the Hardware tab on the left.2. Click the NA

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Viewing the Status of Background ProcessesSome operations take some time to perform and do not complete immediately, such as detaching a NAS controlle

3. Graphs for the following performance values are displayed:– Overall Read Throughput – click the Client, Replication , and NDMP buttons to display o

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10FluidFS 3.0 MaintenanceAdding and Deleting NAS Appliances in a FluidFS Cluster Use FluidFS Manager to add or delete a NAS appliance in a FluidFS clu

MD SystemThe PowerVault MD array provides the storage capacity for NAS; the NX36x0 cannot be used as a stand‐alone NAS appliance. The MD array elimina

5. Click New NAS Appliance.The New NAS Appliance dialog box appears.6. Select the NAS appliance to add to the FluidFS cluster.a) In the top pane, sele

12. Click Next.After you are finished configuring each client network, the Connectivity Report page displays.13. Use the Connectivity Report page to v

3. In the Overview pane, click in the row of the NAS appliance whose controller you want to detach.4. Click Detach.The Detach NAS Controller dialog

3. Disconnect all cables from the back of the existing NAS controller.4. Remove the existing NAS controller from the NAS appliance chassis.a) Press th

ftp open <client_VIP_or_name> 44421 <FluidFS_administrator_user_name> <FluidFS_administrator_password> cd servicepack binput <pat

NOTE: • If the NAS controller is still an active member in the FluidFS cluster, you must first detach it.• Connect a monitor to the NAS controller’s V

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11TroubleshootingViewing the Event LogYou can view messages about system events and errors in the Event Log.Running DiagnosticsRunning diagnostics hel

5. Enter any requested diagnostic parameters and click OK.After the diagnostics have been run, FluidFS Manager will perform a Phone Home of the diagno

Troubleshooting Common IssuesTroubleshooting Active Directory IssuesGroup Quota For An Active Directory User Does Not WorkDescription Group quota is d

High Availability And Load BalancingTo optimize availability and performance, client connections are load balanced across the available NAS controller

Workaround When configuring the system to connect to an Active Directory domain:1. Ensure that you use FQDN and not the NETBIOS name of the domain or

2. On the NAS Manager, go to Data Protection → NDMP → NDMP Configuration page. In NAS CLI, go to Data Protection NDMP Configuration menu.3. Verify tha

CIFS ACL CorruptionDescription CIFS ACL corruption.Cause• ACLs were accidently changed by a user or script.• ACL is corrupted after an antivirus appli

Workaround Interactive users can retry with correct password. Applications and servers may need special attention as the user/password, which is usual

CIFS Locking InconsistencyDescription CIFS service is interrupted due to CIFS interlocking issues.Cause CIFS client interlocking scenarios.Workaround

2. Manually create the missing directories. Set permissions to control access as required.3. Remove the share and communicate to the client.CIFS Write

• Check that the system's IP address, IP range, domain name or netgroup is in the exports list.If the appliance not responding due to a port mapp

NFS Insecure Access To Secure ExportDescription User tries to access a secure export from an insecure port.Cause Secure export requirement means that

Identify the relevant export and the options defined for it, while focusing on the netgroup definition. Document the used netgroup in order to restore

NFS Write To SnapshotDescription An NFS user tries to modify a file located in a snapshot.Cause NAS volume snapshots cannot be modified by design.Work

Scenario System Status Data Integrity Commentssystem, same NAS applianceDual‐NAS controller failure in multiple NAS appliance system, separate NAS app

a. Verify there is enough free space on the NAS volume or expand it.b. Verify that the accessed NAS volume is not a target of a replication.Mixed File

Troubleshooting Networking IssuesName Server UnresponsiveDescription All NIS, LDAP, or DNS servers are unreachable or not responding.Workaround For ea

Troubleshooting RX And TX Pause Warning MessagesDescription The following warning messages may be displayed when the NAS Manager reports connectivity

Replication Destination Is Not OptimalDescription Replication between the NAS source volume and the NAS destination volume fails because the destinati

Replication Internal ErrorDescription Replication between the source and the destination NAS volumes fails due to an internal error.Workaround Contact

Workaround The administrator must check the file system status of source system, using the monitoring section in the NAS Manager, to understand why th

Multiple Errors Received During File System FormatDescription You receive multiple errors during a file system format.Cause Probable causes may be:• I

3. Try to format the system.Associating LUN Names To Virtual Disks DescriptionDetermining which LUNs in the NAS Manager are virtual disks in the Modul

• Do not reboot the controller manually if it is in the boot phase Executing System Upgrades.188

12Getting HelpContacting DellNOTE: Dell provides several online and telephone-based support and service options. If you do not have an active Internet

Port Protocol Service Name88 TCP and UDP Kerberos123 UDP NTP135 TCP AD ‐ RPC138 UDP NetBIOS139 TCP NetBIOS161 UDP SNMP Agent162 TCP SNMP trap389 TCP a

Notes, Cautions, and WarningsNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates

NOTE: Always check for updates on dell.com/support/manuals and read the updates first because they often supersede information in other documents.20

2Upgrading to FluidFS Version 3Supported Upgrade PathsTo upgrade to FluidFS version 3.0, the FluidFS cluster must be at FluidFS version 2.0.7630 or la

Feature Version 2.0 Version 3.0remember this password because it is required to manage the FluidFS cluster in version 3.0.User‐defined management acco

Feature Version 2.0 Version 3.0CIFS home shares Clients can access CIFS home shares in two ways:\\<client_VIP_or_name>\<path_prefix>\<u

Feature Version 2.0 Version 3.0command, and then repeat the upgrade: systemnetworking subnets add NEWINTER Primary255.255.255.0 -PrivateIPs x.y.z.1,x.

• Delete local user names that have a period as the last character and re‐create the accounts with a different name, if needed.• Change the NDMP clien

NOTE: • Perform pre‐upgrade tasks.• Installing a service pack causes the NAS controllers to reboot during the installation process. This might cause i

3. When the file is uploaded, click Install.The upgrade process starts and may take an hour or more. The upgrade’s progress is displayed as follows:4.

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3FluidFS Manager User Interface OverviewFluidFS Manager LayoutThe following image and legend describe the layout of the FluidFS Manager.Figure 2. Flui

Contents1 Introduction... 11How PowerVault

Figure 3. Navigating Views in FluidFS ManagerWorking With Panes, Menus, And DialogsShowing And Hiding PanesPanes within the main view area display Flu

Changing Settings Within A DialogWhen you select a menu option, a dialog box is displayed, which allows you to modify or delete the element or setting

Accessing NAS Volume SubTopicsNAS Volumes have additional configuration subtopics that are not displayed by default. To display NAS Volume subtopics a

Figure 4. Event LogViewing Event DetailsView detailed information for an event contained in the Event Log.In the Events pane on the bottom of the Flui

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4FluidFS 3.0 System ManagementConnecting to the FluidFS Cluster As a storage administrator, you can use either the FluidFS Manager web client or comma

Connecting to the FluidFS Cluster CLI through SSH Using a PasswordLog on to the CLI through SSH to manage the FluidFS cluster.1. Use either of the fol

traffic. Other subnets will not have any of the management ports listening on them, making them available only for client access, replication, and NDM

9. (Optional) Configure the remaining FluidFS management subnet attributes as needed.– To change the netmask of the network, type a netmask in the Net

7. Click OK.Changing the NAS Controller IP Addresses for the Secured Management SubnetChange the NAS controller IP addresses for the secured managemen

Viewing The Event Log...32Viewing Event

4. Click Restrict Access of FluidFS Management.The Restrict Access of FluidFS Management dialog box appears.5. Check the box whose text starts with Al

Managing Licensing The license determines which NAS features are available in the FluidFS cluster.Viewing License Information All FluidFS cluster feat

Setting the Time ZoneSet the time zone for the FluidFS cluster.1. Click the Performance & Connectivity tab on the left.2. Click the Client Network

Add or Remove NTP Servers Add one or more NTP servers with which to synchronize the FluidFS cluster time. Adding multiple NTP servers ensures continue

Managing the FTP Server The FluidFS cluster includes an FTP server that provides a storage location for the following types of system files:• Diagnost

Obtaining SNMP MIBs and Traps The SNMP MIBs and traps for the FluidFS cluster are available for download from the FluidFS cluster FTP server.NOTE: The

5. Add or remove SNMP trap recipients.– To add an SNMP trap recipient, type a host name or IP address in the Trap Recipients text field and click Add.

Changing the Health Scan Throttling Mode Change the health scan throttling mode. Dell recommends keeping the health scan throttling mode set to Normal

Managing Client Connections Displaying the Distribution of Clients between NAS Controllers Display the current distribution of clients between NAS con

4. Click Pin Client to NAS Controller.The Pin Client to NAS Controller dialog box appears.5. Ensure that the Pin Client to NAS Controller check box is

Adding or Removing SNMP Trap Recipients ...45Enabling or Disabling SNMP Tr

4. Click Balance Clients.The Balance Clients Across NAS Controllers dialog box appears.5. Click Rebalance clients.6. Click OK.Shutting Down and Restar

4. Click Reboot.The Reboot NAS Controller dialog box appears.5. Click OK.Managing NAS Appliance and NAS Controller You can configure the system identi

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5FluidFS 3.0 Networking Managing the Default Gateway The default gateway enables client access across subnets. Only one default gateway can be defined

Viewing DNS Servers and SuffixesView the current DNS servers providing name resolution services for the FluidFS cluster and the associated DNS suffixe

7. Click OK.Managing Static RoutesTo minimize hops between routers, static routes are recommended in routed networks when there are multiple direct pa

4. Click Add Static Route.The New Static Route dialog box appears.5. In the Target network subnet ID field, type a network IP address.For example, 10.

3. In the Routing pane, select the static route that you want modify and click .4. Click Delete static route.The Delete Static Route dialog box appe

Viewing the Client NetworksView the current client networks. 1. Click the Performance & Connectivity tab on the left.2. Click the Client Network &

4. Click Modify.The Modify Client Subnet dialog box appears.5. In the Netmask field, type a netmask for the client network.6. Click OK.Changing the VL

Creating a Client Network... 58Changing the N

5. To edit one of the NAS Controller IP values (NAS Controller 0 or NAS Controller 1):a) Select the relevant row in the IP address list and click to

Changing the Client Network Bonding ModeChange the bonding mode (Adaptive Load Balancing or Link Aggregation Control Protocol) of the client network i

Managing SAN Fabrics/SubnetsIn the FluidFS Manager, the SAN Fabrics view allows you to manage the various subnets and addresses on the PowerVault Flui

5. In the Network interface dropdown, select the network interface to be used by the SAN fabric.6. In the Netmask field, type the netmask IP address.7

Viewing Storage IdentifiersTo view the NAS controller storage identifiers:1. Click the Hardware tab on the left.2. Click the SAN Fabrics tab on the to

6FluidFS 3.0 Account Management And Authentication Account Management and AuthenticationThere are two types of access to the FluidFS cluster:• Adminis

Login NamePurpose SSHAccess Enabled by DefaultSSHAccess AllowedVGAConsole Access Enabled by DefaultVGAConsole Access AllowedDefault PasswordAdministra

3. In the Security Access pane, click .4. Click Modify Remote Support Policy.The Modify Remote Support Policy dialog box appears.5. Enable or disable

CLI AccountThe CLI account is used with an administrator account to access the command-line interface of the FluidFS cluster.Default Local User and Lo

NAS Volume Setting Volume Administrator Allowed to Change Setting?Data reduction YesNAS volume space settings and alert thresholds YesCIFS shares and

Deleting a Local User... 73Managing P

8. Click OK.Assigning NAS Volumes to a Volume AdministratorBy default, new volume administrators can manage all NAS volumes. After a volume administra

5. In the Email Address field, type the new email address for the administrator.6. Click OK.Changing a Local Administrator PasswordYou can change the

NOTE: The group to which the local user is assigned must exist.1. Click the Access Control tab on the left.2. Click the User Repositories tab on the t

3. Enable or disable the local user.– To enable the local user, clear the Disable access from this local user check box.– To disable the local user, s

5. Click Edit Password Expiration.The Edit Password Expiration dialog box appears.6. In the within [ ] days field, type the number of days after which

5. In the Local group name field, type a name for the group.6. To add local users to the group:a) Click the […] button under the Local users in this g

5. To add local users to the group:a) Click the […] button under the Local users in this group list.The User Browser dialog box appears.b) In the Sear

Enabling Active Directory AuthenticationJoin the FluidFS cluster to an Active Directory domain to allow it to communicate with the directory service.B

7. Click OK.Modifying Active Directory Authentication SettingsYou cannot directly modify the settings for Active Directory authentication. You must re

Adding multiple LDAP servers ensures continued authentication of users in the event of an LDAP server failure. If the FluidFS cluster cannot establish

Thin and Thick Provisioning for NAS Volumes... 90Choosing a Strategy for NAS

Adding or Removing LDAP ServersThere must be at least one LDAP server.1. Click the Access Control tab on the left.2. Click the User Repositories tab o

6. Enable or disable authentication for the LDAP connection.– To enable authentication for the LDAP connection, select the Use Non‐Anonymous LDAP bind

Enabling NIS AuthenticationConfigure the FluidFS cluster to communicate with the NIS directory service.Adding multiple NIS servers ensures continued a

5. NIS servers are listed in descending order of preference.– To increase the precedence for a NIS server, select a NIS server and click .– To decrea

• NTFS security style: Permissions are controlled by Windows and NTFS. The UNIX/ Linux user adheres to the permissions of the corresponding Windows us

5. Click the […] button to the right of the CIFS User (Active Directory) field.The User Browser dialog box appears.a) From the Domain drop‐down menu,

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7FluidFS 3.0 NAS Volumes, Shares, and ExportsManaging the NAS PoolThe amount of raw space allocated to the FluidFS cluster (NAS pool) is determined by

Expanding the Size of the NAS PoolYou can increase the size of the NAS pool as your NAS storage space requirements increase, without affecting the ser

5. Enable or disable the NAS pool unused space alert.– To enable the NAS pool unused space alert, select the Alert when unused space is over check box

Configuring Anti-Virus Scanning...120Viewing Anti-Virus E

If you need to access the same set of files from both Windows and UNIX/Linux, the best way to implement multi‐protocol access is by setting up individ

various data access patterns. The security style can also be set to Mixed which supports both POSIX security and Windows ACLs on the same NAS volume.•

• Disadvantage: User mapping is required. A user needs to choose one security style, either NTFS or UNIX, and based on the security style chosen the c

Adding a NAS VolumeAdd a NAS volume to allocate storage that can be shared on the network. When a NAS volume is added, default values are applied for

Changing Permissions Interoperability for a NAS VolumeChange the permissions interoperability settings of a NAS volume to change the file access secur

7. For Thin NAS Volumes: in the Reserved Space field, type the size of the storage that is statically allocated to the NAS volume and select the units

5. Enable or disable a NAS volume snapshot space consumption threshold alert.– To enable a NAS volume snapshot space consumption threshold alert, sele

NAS Volume Clone RestrictionsThe following restrictions apply to cloned NAS volumes:• You cannot create a clone NAS volume of a clone NAS volume (nest

• The snapshot space consumption threshold alert must be disabled on the base volume.1. Click the NAS Volumes tab on the left.2. Click the All NAS Vol

Viewing All CIFS Shares on the FluidFS Cluster View all current CIFS shares for the FluidFS cluster.1. Click the NAS Volumes tab on the left.2. Click