Preliminaries Copyright statement No part of this publication may be reproduced in any form or by any means or used to make any derivative, such as translation, transformation, or adaptation, without permission from Plasmon PLC. Trademarks Plasmon, Raidtec Solutions, SNAZ and SNAZ OS are registered trademarks of Plasmon PLC Copyright 2006. Other names and/or trademarks belong to their respective proprietors.
Table of Contents
Introduction ........................................................ 1 SNAZ network attached file servers ........................ 2 Front panel features ................................................. 4 Rear panel features ................................................... 5 The SNAZ Manager ............................................. 7 Overview ...................................................................
Data protection menu .............................................53 Snapshots Replication Sources Replication Targets Configuration Backup Data Backup 54 59 63 64 66 Diagnostics menu ....................................................68 Storage Devices System Information 68 73 Shutdown menu ......................................................
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Chapter 1 Introduction
SNAZ network attached file servers The SNAZ family of network attach file servers (NAS) provide robust and easily managed file serving for departmental, branch office and medium sized company applications. • S4-350 is a 1U 19 inch rack mount unit with 4 drive bays offering user storage of between 750GB and 1.
• Hot swappable SATA disk drives and hot spare disk(s) (the S4350 is configured without a hot spare) for resilient operation. • Browser based SNAZ Manager, gives easy installation and ongoing management with extensive context related onscreen help • Convenient user storage management capabilities such as Group and User Quotas and on-line volume expansion • Configurable stand alone User and File access rights as well as easy integration with Windows Active Directory.
Front panel features The SNAZ front panel controls have the following features: System Drive Indicator 4 Not used Power On Indicator Power button Reset button 97707987 Rev A
Rear panel features AC Power inlet SCSI Connection Serial Port (APC Smart UPS Connection) (Tape Backup Device) Gigabit Ethernet (Eth1) Gigabit Ethernet (Eth0) Note: SNAZ S4 rear view shown (SNAZ S8 similar) 97707987 Rev A 5
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Chapter 2 The SNAZ Manager
Overview This chapter describes the features of the SNAZ Manager, which administrator’s use to configure and monitor the SNAZ and its Users, Groups and Shares. SNAZ Manager Server Configuration Wizard The first time you start the SNAZ Manager, you’ll see is the Server Configuration Wizard. This page allows you to perform the initial configuration of your SNAZ. For further details of the Server Configuration Wizard, please refer to the SNAZ Quick Start Guide.
Menu bar The menu bar lets you access all the SNAZ’s configuration and monitoring options, as well as the on-line help. 1 Move the pointer over a top-level menu item to reveal submenu options, for example: 2 Click on your chosen option, refer to Table 2-1 for further information. Table 2-1 SNAZ Manager menu bar Menu/Icon Description System Lets you set the time and date, update system software, manage system services and define notification recipients.
On-line help Each page of the Web interface has an on-line help page associated with it. To access the on-line help for a page: 1 From the page you require help with, click the icon. The SNAZ Help page will open in a pop-up browser Window. For example: 2 When you are finished using the on-line help, click the to close the Window. icon Tool Tips Whenever you see the icon next in the Web interface, you can hover over the icon to view a Tool Tip for that item.
System status The SNAZ Manager System - Status (home) page automatically refreshes its content every 30 seconds and displays the following information: • System Up Time - The amount of time which has elapsed since the SNAZ was last rebooted • CPU Usage - The current CPU utilisation, as sampled over 3 seconds • System Volume - The total size and amount of free space available in the System Volume • Volumes - The number of storage Volumes present on the System and their status: Icon Meaning The volume
Icon Meaning The RAID(s) that are Faulty • Disks - The number of Disks present on the System and their status: Icon Meaning The Disk(s) that are Online The Disk(s) that are Offline The Disk(s) that are Faulty • Services - The Services configured on the System and their status (Started or Stopped). The following is shown only if your version of SNAZ enclosure has environmental monitoring hardware: • 12 Environmental - The SNAZ will display the CPU and motherboard temperature.
System menu The System menu allows you to access: • Status (home) page - see System status on page 11 • Time & Date • Services - see page 15 • Software Update - see page 23 • Notification - see page 24. Time & Date The System - Time & Date page allows you to: • Set the time and date manually • Synchronize the system’s time with a Network Time Protocol (NTP) Server. To set the time and date manually: 1 From the menu bar, select System - Time & Date.
4 Set the Date, you can either type in the date in the format YYYY/MM/DD (e.g. 2006/07/24 for the 24th July 2006) or click on the calendar icon ( ) to show the Select Date pop-up: 5 Set the Time in the format Hour(s), Minute(s) and Second(s). 6 Click to save the changes. Synchronising the time and date with an NTP server To set the time and date using an NTP server: 1 From the menu bar, select System - Time & Date.
Services The System - Services page allows you to start, stop and, in some cases, configure: • MS Networking - see page 16 • NFS - This is configured via the Network - Shares page - see page 37 • FTP - see page 23 • Replication - This is configured via the Data Protection Replication Target page - see page 63 • UPS - see page 20 • Backup - see page 22.
MS Networking To configure MS Networking: 1 From the menu bar, select System - Services and click on MS Networking. The MS Networking (Configuration) page opens: 2 Enter a Server Description. This is a name (or type) description for the server. 3 If required, enter a Connection Timeout in minutes. This is the amount of time that connections may remain idle, with no open files, before disconnecting them from the share. The default timeout is 30 minutes. 4 If required, enter a WINS Server ID.
8 If required, enter a Workgroup. OR Enter a Domain Name. This is the domain name the MS Networking service will use and is not the same as a DNS domain name. 9 If required, enter the name of the Organization Unit (OU) within the Active Directory structure in which the SNAZ will appear. By default, the server will appear within the OU named “Computers”. 10 If required, enter the Windows User Name. If a Windows User Name is entered, their Password must be supplied.
FTP To configure FTP access to the SNAZ: 1 From the menu bar, select System - Services and click on FTP. The FTP (Configuration) page opens: 2 If required, enter an FTP Server Banner. This is a message which will be displayed to users when they access the SNAZ via FTP. 3 Enter a Data Mode. The data mode can be: 4 18 • PORT - The client connects from a random unprivileged port (N > 1024) to the FTP server's command port, port 21.
The timeout settings for connections are: • 30 seconds for Short • 60 seconds for Medium • 300 seconds for Long. The timeout settings for transfers are: • 150 seconds for Short • 300 seconds for Medium • 1500 seconds for Long. 5 Enter Max Clients. This is the maximum number of concurrent FTP client connections. 6 Enter Max Clients per IP. This is the maximum number of concurrent FTP client connections per IP address. 7 Enter the Max Transfer Rate.
UPS The information in the System - Services - UPS page is derived from the UPS itself. Refer to your UPS’s documentation for further details. Note: The SNAZ only supports APC Smart brand UPSs. 1 20 From the menu bar, select System - Services and click on UPS. The UPS (Status) page opens: • UPS Model - The type of UPS attached to the SNAZ • Status - The UPS's status (e.
2 3 Click on the Configuration tab. This allows you to configure: • Minimum battery level before shutdown - Select the minimum UPS battery level, in percent, prior to the SNAZ shutting down from the drop-down list • Minimum battery time before shutdown - Enter the minimum UPS battery time remaining, in minutes, prior to the SNAZ shutting down. Click to save the changes and, as appropriate, click to start or click 97707987 Rev A to stop the service.
Backup The SNAZ uses preinstalled BakBone NetVault software to perform system data backups. 1 From the menu bar, select System - Services and click on Backup. The Backup (Register) page opens: The Machine ID was automatically generated at the time the NetVault Software was installed on the SNAZ. 2 Enter the License Key. When the SNAZ system is registered, via the Plasmon Warranty Registration website, the License Key will be supplied by email and should be entered here. 3 Click the registration.
Software Update The System - Software Update page allows you to update the System software using: • HTTP - from a local computer • FTP - from the ftp.plasmon.com website. HTTP To update the System software using HTTP: 1 From the menu bar, select System - Software Update. The Software Update (HTTP) page opens: 2 Enter the Software Image File path to a local copy of the SNAZ OS software image or click browse to search. 3 Click to begin the software update.
Notification The SNAZ allows for system administrator’s to be notified of system events and errors by means of: • Email (SMTP) Notification • SNMP Notification - see page 26. Note: Both email and SNMP notification services can be running at the same time. Email (SMTP) Notification To enable email (SMTP) notification: 24 1 From the menu bar, select System - Notification. The System - Notification (SMTP) page opens: 2 Tick the Enable box to enable, or un.
7 Enter the email address(es) of up to five email notification Recipients. 8 Select an Alert Threshold Level for each recipient. These are described below: Table 2-2 Notification Alert Threshold Levels Level Meaning These notifications require no action. This level includes all notifications These notifications may require some action to be taken.
SNMP Notification To enable SNMP notification: 26 1 From the menu bar, select System - Notification. Click on the SNMP tab. The System - Notification (SNMP) page opens: 2 Tick the Enable box to enable, or untick to disable, the SNMP notification service. 3 Enter a GET Community String. By default the SNAZ does not use Community Strings to authenticate sent notifications. However, if required, a Community String can be entered here to enable this function.
7 Select an Alert Threshold Level for each recipient. These are described below: Table 2-3 Notification Alert Threshold Levels Level Meaning These notifications require no action. This level includes all notifications These notifications may require some action to be taken. This level includes Warning, Critical and Emergency level notifications These notifications require that action should be take to keep the SNAZ operating at maximum efficiency.
Shares on the SNAZ Shares are used to give specified users controlled access to specific folders and subfolders on the SNAZ system, from their client computers. This section does not detail how to create the individual components of the Share (such as RAIDs and Volumes), it is intended to demonstrate the process involved in creating a Share.
To create an accessible Share (in this example Windows SMB): 1 From the menu bar, select Network - Shares: Then click 2 .
Network menu The Network menu allows you to access: • Configuration • Users • Groups • Shares Configuration The information in the Network - Configuration page is usually entered via the Server Configuration Wizard (which runs automatically during the initial installation of the SNAZ system). To configure the Network settings: 30 1 From the menu bar, select Network - Configuration. 2 Enter a Hostname for the SNAZ. 3 Enter the Domain Name which the SNAZ is attached to.
6 Click on the Ports tab. The SNAZ’s network (Ethernet) ports are listed: The following information is also displayed: • Name - The Ethernet port name. The SNAZ has two Ethernet ports eth0 and eth1. Clicking on the port Name allows you to view the network ports configuration. • Enabled - Shows whether the Ethernet port is enabled. • DHCP - Shows whether the DHCP is enabled.
Users The Network - Users page lists all the Users known to the system. Adding a User To add a User: 32 1 From the menu bar, select Network - Users. 2 Click displayed: . The Network - Users - Add page is 3 Enter the User’s Name. A User Id is automatically generated. 4 Enter a Description for the User. 5 Enter a and confirm the User’s Password (this is mandatory). 6 Tick the Network File Sharing box to enable NFS for the User and select a Group from the Network Sharing Group Privileges list.
9 If the User is to have SSH access privileges, tick the SSH box. SSH is a way to log into another computer over a network using a command line (console) interface. 10 If the User is to have Web administration access privileges, tick the Web Administration box. By default the User will have View Only privileges. If required, select the Full Control radio button. 11 Click to add the User. Deleting a User To delete a User: 1 From the menu bar, select Network - Users.
Editing a User’s details To edit a User’s details: 34 1 From the menu bar, select Network - Users. 2 Click the User Name of the User you wish to edit. The Network - Users - Update page is displayed: 3 You can edit the User’s Description, Password or change their Service Privileges. 4 Click to save the changes.
Groups The Network - Groups page lists all the Groups known to the system and allows you to add, edit or delete Groups from the system. Adding a Group To add a Group: 1 From the menu bar, select Network - Groups: 2 Click displayed: 3 Enter a Name for the Group. 4 Click . The Network - Groups - Add page is to add the Group. Editing a Group’s details You can only edit the Name of a Group. To edit a Group’s name: 1 From the menu bar, select Network - Groups.
Deleting a Group To delete a Group: 36 1 From the menu bar, select Network - Groups. 2 Click the Name of the Group you wish to delete. The Network - Groups - Update page is displayed: 3 Click 4 A warning message is displayed. Click deletion of the Group. .
Shares The Network - Shares page allows you to view, edit and delete Shares from the system. It is also used to view active connections and open files and configure access (ACLs) to the various Shares on the system. Adding a Share To add a Share: 1 From the menu bar, select Network - Shares. 2 Click . The Network - Shares - Add page, Protocols tab is displayed: 3 Enter a Name for the Share. 4 Enter a Location for the Share or click for a location. 5 Tick one or more Protocol box.
7 Click , the Set Access tab is displayed: 8 The default Owner and Owner Group are displayed (The current logged in User). Click specific User. 9 to browse for a To give specific Users access to the share, click browse. 10 Click to , the SMB Attributes tab is displayed: 11 Enter the Attributes for Windows (SMB) access to the Share.
12 Click , the SMB Hosts tab is displayed: 13 Enter the hostnames or IP addresses of Hosts you specifically want to be allowed or denied access to the Share. Note: When hosts are added to either the Allow or Deny lists, all other hosts automatically become marked as the opposite, unless they are specified otherwise. 14 Click , the SMB Admin tab is displayed: 15 Click to add an Administrator User for this Share. 16 Click , the NFS Attributes tab is displayed: 17 Click to add NFS Hosts to the Share.
Storage menu The Storage menu allows you to access: 40 • RAIDs • Volumes • Browse 97707987 Rev A
RAIDs The Storage - RAIDs page allows you to view, add or remove RAIDs on the system. You can also define hot spare disks. Adding a RAID To add a RAID: 1 From the menu bar, select Storage - RAIDs. 2 Click 3 A Pool Name is automatically generated for the RAID to be a member of. You can also enter your own (up to 7 characters e.g. StorP1). 4 A RAID Name is automatically generated. You can also enter your own (e.g. RAID1 or 1st_RAID). 97707987 Rev A .
5 42 Select a RAID Level from the drop-down list. This can be either: • RAID 0 - RAID 0 is a striped disk array without fault tolerance. Provides data striping (spreading out blocks of each file across multiple disk drives) but no redundancy. This improves performance but does not deliver fault tolerance. If one drive fails then all data in the array is lost • RAID 1 - RAID 1 provides disk mirroring.
Removing a RAID To remove a RAID: 1 From the menu bar, select Storage - RAIDs. 2 Click on the RAID you wish to remove. The Storage - RAIDs RAID Update page opens. 3 Click . You will be prompted to confirm you wish to delete the RAID. Click again to confirm or click to cancel.
Defining Hot Spares Hot spare disks can be defined to provide fault tolerance in RAIDs. A disk which has been marked as a hot spare will automatically take the place of a failed disks in any RAID. To mark a disk as a hot spare: 44 1 From the menu bar, select Storage - RAIDs. 2 Click open: 3 Tick the box(es) of disk(s) which you wish to mark as hot spare. 4 Click 5 Click to save the changes and return to the Storage - RAIDs page. .
Merging RAIDs (Pools) To merge storage pools: 1 Create a new RAID - see Adding a RAID on page 41. 2 From the menu bar, select Storage - RAIDs. 3 Click open: 4 Select the pools (RAIDs) to merge and click 5 Select the destination pool (the pool which will remain after the merge): 6 Then click . When the pools have successfully merged, the SNAZ Manager will return to the Storage RAIDs page. 97707987 Rev A . The Storage - RAIDs - Merge page will .
Volumes The Storage - Volumes page allows you to view, add or remove Volumes from the system. Adding a volume To add a Volume: 1 From the menu bar, select Storage - Volumes. 2 Click opens: 3 A Name is automatically generated. You can also enter your own (up to 32 characters; a-z, A-Z, 0-9, - (hyphen) and _ (underscore) e.g. Volume_1). 4 Select a Pool that the Volume should be in from the Select Pool drop-down list. 5 Enter an Initial Size for the Volume. .
Removing a Volume To remove a Volume: 1 From the menu bar, select Storage - Volumes. 2 Click on the Volume you wish to remove. The Storage Volumes - Volume Update page opens: 3 Click . You will be prompted to confirm you wish to delete the Volume. Click to cancel.
Changing a User’s Volume Quota Users can be allocated a specific amount of a Volume which they can use. This amount is called their Quota. To change a user’s Quota: 48 1 From the menu bar, select Storage - Volumes: 2 Click on the Volume you wish to change the Quota of. The Storage -Volumes - Volume Update page opens: 3 Click .
4 Click . The Storage - Volumes - Volume Update Quota - Add page opens: 5 Click to add a User to allocate the Quota to: For that user, enter: 6 97707987 Rev A • Soft Limit - to restrict the users quota, however, if a file is written which exceeds the Soft Limit, the file will still be written, as long as the Hard Limit is not exceeded • Hard Limit - The total amount of disk space allocated to the specified user. The user cannot exceed this limit. Click .
Browse The Storage - Browse page allows you to search or browse through the directories present on the system. Note: If you are using Active Directory to provide access control, ignore this section and refer to MS Networking on page 16. Finding data To search for a file: 1 From the menu bar, select Storage - Browse. Enter a search string in the text box and click Click . to reset the content of the text box. Alternatively, you can manually browse the directory tree for a file.
2 Search or browse to a directory or file. Click on The Storage - Browse - Access page opens. . From this page you can: • View the current Location. Click another directory to browse to • View the directory’s Owner and Owner Group. Click • ACL - This section lists the Users and Groups who have access to the directory and their access privileges. to browse for another Owner or Owner Group Click 3 to add more Users or Groups. Click the Attributes tab.
can place a single ACL high up in the directory tree to control access • 4 You can also set the DOS Attributes for the directory. Click the Filter Mask tab. From this tab you can: • 5 Set a Filter Mask - This is a way of temporarily modifying the access privileges of the current directory, without changing all the ACLs beneath it. Click the Reset tab.
Data protection menu The Data Protection menu allows you to access: • Snapshots • Replication Sources - see page 59 • Replication Targets - see page 63 Note: Replications require at least two SNAZ (OS version 4) systems to operate; a Source which generates the data to be replicated and a Target (or targets) for the replicated data to be written to. • Configuration Backup - see page 64 • Data Backup - see page 66.
Snapshots The Data Protection - Snapshot page lists all the snapshot schedules on the system and allows you to add or modify snapshots. Note: A snapshot can only be added when a Volume has been created. Estimating snapshot volume requirements When estimating the snapshot volume requirements, the following considerations should be made: • • 54 Allocate 10% of available space if • Activity on the SNAZ is write light • Write access is concentrated in a few places.
Scheduling a snapshot To schedule a snapshot: Caution: System performance may degrade while a snapshot is being performed. Snapshots should be scheduled appropriately to minimise user impact. 1 From the menu bar, select Data Protection - Snapshots. 2 Click on page opens. .
4 56 Select when to schedule the snapshot for: • Now - Perform the snapshot immediately • Once Later - Perform a single snapshot at a time you specify • Repeat - Perform a snapshot at the regular intervals you specify.
To modify an existing schedule To modify an existing snapshot schedule: 1 From the menu bar, select Data Protection - Snapshots. 2 Click on the schedule you wish to modify. The Data Protection - Snapshot - Schedule Update opens. 3 You can modify the Mount Point, Initial Size (including Grow Automatically) and Keep Snapshot period. You can also click scheduled for.
To rollback previous version of a file using a snapshot Snapshots can only be used to reinstate (rollback) a previous version of a file. To rollback a file from a snapshot: 1 From the menu bar, select Storage - Browse: 2 Click the snapshot directory. Click on the required version of the snapshot, then navigate the directory tree to the required file and click on it (the background will highlight green to indicate selection): 3 Click . A warning will be displayed, click to confirm the file rollback.
Replication Sources A replication is a copy of the contents of a folder, it's sub-folders and files which must be located on another system. A replication Source is the system the replicated data originates from. The Data Protection - Replication Sources page lists all the replications made or scheduled by the system. Adding a replication source To add a replication source: 1 From the menu bar, select Data Protection - Replication Source. Click .
further changes are made (i.e. the Replication is in a known state) to the Replication during the replication process. • Preserve ACL - Select to preserve the ACLs of the data being replicated • Max Bandwidth - You can specify the maximum network bandwidth the Replication may use. 3 Click 4 The Target System tab will open. .
6 The Schedule tab will open. From this page, enter: • 7 97707987 Rev A Type - Select Once Later, Weekly or Monthly from the drop-down list. The field(s) below will change to the appropriate type of schedule Enter the required information and click to finish.
Recovering a replication source To recover from a failure using a replication target’s copy of system data: 1 From the menu bar, select Data Protection - Replication Source. Click .
Replication Targets A replication is a copy of the contents of a folder, it's sub-folders and files which must be located on another system. A replication Target is the system the replicated data is being written to. The Data Protection - Replication Targets page lists all the replications made or scheduled by the system. Adding a replication target To add a replication target: 1 From the menu bar, select Data Protection - Replication Source. Click on .
Configuration Backup The Data Protection - Configuration Backup page allows you to create a bundle containing the configuration files from the SNAZ. To create a Configuration Backup bundle: 1 From the menu bar, select Data Protection - Configuration Backup. 2 Click . The configuration bundle will be created and a download link displayed: The configuration bundle can now be saved to another system.
5 Click . 6 Click . Select the location of the configuration backup file and click Open. 7 Click 8 Click to restore the configuration. When the restore is complete the following is displayed: 9 Click page. to upload the configuration file bundle. to return to the main System - Recovery 10 From the menu bar, select Shutdown then Reboot and click .
Data Backup The Data Protection - Data Backup page lists information required to configure the BakBone NetVault backup software, as follows: Definitions The SNAZ has both a NetVault Server and Client running on it: • NetVault Server - controls the backup process • NetVault Client - accesses the data which is to be backed up. A separate PC is used to run the NetVault GUI, which is used to administer the backup process. Note: The NetVault GUI must be installed as a Server.
Configuration • • NetVault Server • Machine Name - To allow the distinction between different devices within a NetVault environment, each SNAZ will have a unique Machine Name. This can be found on the System - Services - Backup (Configuration) page. • Password - A Password may be configured to restrict client access. This will need to be noted for the NetVault Client installation. • Services - The backup service must be running (Started) in order for NetVault to communicate with the backup device.
Diagnostics menu The Diagnostics menu allows you to access: • Storage Devices • System Information - see page 68 Storage Devices The Diagnostics - Storage Devices page shows the internal and external devices attached to the SNAZ and their status.
Disk status icons • Disks which are marked with an are system disks. This means they are used to store the system partition, which contains the configuration files of the SNAZ OS. They can still be used as part of any RAID(s) • Disks which are marked with an have been detected by the system as being in a prefail state. This means that certain types of errors have been found on them and they are likely to become faulty as a result.
Icon Meaning The disk is online and has been marked as a spare disk The disk is online and the system has detected the disk is about to fail The disk is online, is not part of a RAID and the system has detected the disk is about to fail The disk is online, has been rejected by the system and the system has detected the disk is about to fail The disk is online, has been marked as a spare disk and the system has detected the disk is about to fail The disk is online and is a system disk The disk is online, is
Icon Meaning The disk is resynchronising The disk is offline The disk is missing or information about its status is unavailable The disk is faulty and unformatted The disk is faulty The disk is faulty and is not part of a RAID The disk is faulty and has been rejected by the system The disk is faulty and is a system disk The disk is faulty, is a system disk and is not part of a RAID The disk is faulty, is a system disk and has been rejected by the system Tape drive status icons If a tape drive is attached,
Miscellaneous icons Table 2-6 Miscellaneous icons Icons Meaning This icon represents the Flash disk. This is where the SNAZ OS is located This icon represents an externally attached device, such as a tape autoloader This icon represents an internal (to the SNAZ) controller card, e.g the SNAZ’s SATA Controller This icon represents an external controller card, i.e. the interface to an external device attached to the SNAZ, e.
System Information The Diagnostics - System Information page allows you to view the following information: System Info • System Serial Number - The SNAZ’s serial number • Hardware Version - The current hardware version • Server Board - Server board information • Motherboard Serial Number - The SNAZ’s motherboard serial number • Model Number - The model number details the product configuration of the SNAZ, describing information such as the enclosure type, the memory capacity, the type of controlle
• 74 Create Log Files Bundle of - Log file bundles are used by Technical Support to diagnose failures on your SNAZ. You can specify a time period, using the drop down list, to create a log file bundle of.
Shutdown menu The Shutdown page allows you to: • Shutdown • Reboot • Reboot into Maintenance Mode - Maintenance Mode is normally only used by Service personnel. To shutdown or reboot the SNAZ: 1 From the menu bar, select Shutdown. the Shutdown page opens: 2 Select the appropriate radio button. 3 Click 97707987 Rev A , then click again to confirm.
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