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Troubleshooting

Repairing a Degraded Array

Cisco Small Business NSS3000 Series Network Storage System Administration Guide

100

The

RAID

page appears.

STEP 3

In the

RAID Arrays

table, click

Edit

for the applicable RAID array.

The

RAID Configuration

page appears.

STEP 4

Available disk drives appear in the listing. Click

Add

to add the disk drive to

the array.

Содержание Network Storage System NSS3000 Series

Страница 1: ...Cisco Small Business NSS3000 Series Network Storage System ADMINISTRATION GUIDE ...

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Страница 3: ...pter 2 Managing the System 5 System Alerts 6 Storage Status 6 Network Status 7 Shares Status 7 Backup Status 7 Power Status 8 System Status 8 Viewing the Hardware Monitor 9 Viewing and Managing the System Logs 10 Configuring the System for UPS Support 12 NSS Supported UPS Product Families 13 Chapter 3 Adding the NSS to your Network 14 Physical Interfaces 14 Virtual Interfaces 15 Viewing the Networ...

Страница 4: ...he Configuration Interface 32 Running Cable Diagnostics from the LCD 33 Configuring the Network Ports 34 Setting up the Ethernet Frame Size Advertising Modes 35 Chapter 4 Configuring your Storage 1 Storage Status Tables 2 The Storage Status page include the following tables 2 Disk Status Table 2 RAID Arrays Table 3 Volumes Table 4 USB Storage Status 4 Managing RAID Arrays 5 About the RAID Arrays P...

Страница 5: ...d User Access 1 Managing your NSS Users 2 Creating a User Profile 3 Editing a User Profile 5 Integrating Users from an ADS NTv4 or NIS Domain 6 Logging into the NSS as a Local User 7 Deleting a User Profile 7 Working with Groups 8 Creating a Group 8 Changing the Users Assigned to a Group 10 Integrating Groups from an Active Directory NTv4 or NIS Domain 11 Deleting a Group 12 Managing Volume Quotas...

Страница 6: ...older 37 Restrictions using Microsoft DFS from the NSS 39 Setting up CIFS Access 40 Setting up Network Filesystem NFS Access 41 Configuring the NSS for FTP Access 43 Creating or Running a Backup of a Share 47 Creating a Scheduled Backup for a Share 47 Initiating a Backup for a Share 50 Deleting Backup Images 51 Configuring the Connection Profile 51 Chapter 7 Managing the NSS 53 Rebooting or Shutti...

Страница 7: ...res with Administrator Privileges 74 Windows Users Accessing the NSS Storage using CIFS SMB 75 Windows Users Accessing the NSS Storage through FTP 76 Mac Users Accessing Storage through CIFS SMB 76 Mac Users Accessing Storage through FTP 77 UNIX Linux Users Accessing Storage through NFS 78 UNIX Linux Users Accessing Storage through FTP 78 Chapter 9 Glossary of Storage related Terms and Acronyms 80...

Страница 8: ...eset IP or Link Rate 103 Unable to Create a Share or Quota for a Volume 103 Cannot Access the NSS through FTP 104 Cannot Rename a Folder through FTP 105 Configuration Page Does not Appear in Internet Explorer 105 Handling an Unexpected Unclean Shutdown 105 Boosting the Performance of NFS Transfers 106 Appendix B Environmental Specifications 108 Appendix C Support Contacts 109 Appendix D Additional...

Страница 9: ...tely dedicated to storage ensuring the integrity reliability and accessibility of your data for a relatively low cost The NSS lets you install up to four physical disk drives The NSS uses the most common file based protocols such as NFS CIFS and FTP for file sharing Benefits The NSS offers these main advantages to your business Cross platform File Sharing Share files easily and inexpensively acros...

Страница 10: ... for the NSS For example System Network Share Storage When you click an option a sub menu of related options appears Clicking a topic opens the associated topic in the Topic page in the right side of the window Topic Page When you select a topic from the Manager Menu the configuration page for that topic appears in the right side of the window Getting Help There are two buttons on the NSS configur...

Страница 11: ...n interface for the first time Although you can access it at any time from the Manager Menu if you have saved any configuration settings before you run the wizard running the wizard will erase any saved data For example if you configure a RAID and then run the wizard the RAID will be deleted The NSS then reboots and the wizard steps you through the basic configuration to create a RAID volume share...

Страница 12: ...reaming video to a local drive or in this case the NSS and then view the video from its saved location The wizard creates a single user and share for all cameras that are configured to stream video to the Windows camera utility program After you run the wizard you must map the network drive from the PC that runs the Windows utility program to the CIFS share and then set up the utility to save to t...

Страница 13: ...time and date firmware version and firmware upgrade status and bootup and shutdown status The System Status page provides an overview of the current operating condition of the NSS For example you can view system alert messages such as if a disk drive is failing or has failed if a volume is approaching its full capacity and if an array rebuild is complete You can also view the current status of any...

Страница 14: ...e action For example if a disk drive or RAID array is in a failed condition Warning Indicates that there is a problem with the NSS that requires eventual action For example if the amount of storage used for a volume is over 90 Notification These types of messages are simply to advise of changes to the NSS For example the RAID rebuild is complete Storage Status The Storage area displays details abo...

Страница 15: ...LANs The number of VLANs configured on the NSS Link IP The IP address of the Ethernet link Shares Status The Shares area displays status for the following Shares The number of configured shares Connected Users The total number of user sessions currently connected to the NSS FTP The FTP access state enabled or disabled NFS The NFS access state enabled or disabled Backup Status The Backup area displ...

Страница 16: ...ently connected to the NSS or is not enabled Online A UPS is connected to the NSS and is enabled The NSS is deriving power from the mains power On Battery The NSS is currently deriving its power from the UPS battery The percentage of power still available is also listed System Status The System area displays the following Serial Number The serial number of the NSS Firmware Version The current vers...

Страница 17: ... and in need of attention red Fans The fan speed for each chassis fan If the fan has stalled the reading is color coded red Normal fan operation is color coded green Temperatures The NSS has temperature sensors located at various parts of the chassis Temperature readings are done from these sensors as well as from any installed disks if the disk has an internal temperature sensor If a disk does no...

Страница 18: ...ace is filled To work with the log files STEP 1 From the Manager Menu click System Logs The System Logs page appears You can view download or delete these types of log files Admin A full list of time stamped actions that were initiated through the NSS configuration interface Web Access This log displays IP addresses of the systems that accessed the NSS configuration interface and the date and time...

Страница 19: ...t to store the log files Locally To store the log files on the NSS select Store Logs Locally and then select the volume to which you want to store the logs from the options in the Store Logs to drop down menu Remotely To store the log files on a remote server select Forward Log Messages and then enter the hostname or IP address of the server in one or both of the Remote Log Host fields If you set ...

Страница 20: ...reserve power to sustain the NSS through the shutdown approximately 5 minutes The Power area displays the following AC Status The following options are available depending on the current operating condition of the UPS For more information about the functioning of the UPS refer to the UPS documentation Disconnected A UPS is not currently connected to the NSS or has not yet been enabled Online A UPS...

Страница 21: ... Administration Guide 13 2 The System Power page appears STEP 2 Select Enable UPS support STEP 3 Click Update NSS Supported UPS Product Families The NSS supports these UPS product families APC Back UPS Pro USB APC Back UPS RS USB APC Back UPS USB APC Back UPS LS USB APC Back UPS ES CyberFort 350 APC Smart UPS USB ...

Страница 22: ...S physical and virtual network interfaces Physical Interfaces The Network Device Status table displays the current status of the physical Ethernet link connected to the NSS Link The number of the physical link attached to the NSS The number appears as 1 Status The status of the physical link Dropped Pkts The total number of IP packets dropped on the VLAN interface since the last boot ...

Страница 23: ...e 10 Mbps 100 Mbps 1000 Mbps MAC Address The Ethernet MAC address for the link MTU The Maximum Transmission Unit MTU in bytes defined for the link This is set either manually from the Network Properties page or via the DHCP server Rx Pkts The total number of IP packets received since the last boot Tx Pkts The total number of IP packets transmitted since the last boot Dropped Pkts The total number ...

Страница 24: ...k in The NSS displays the correct new settings within 10 seconds To display the Network Device IP page from the Manager Menu click Network IP The Network Device Settings table displays the following Link The number of the physical link attached to the NSS It appears as 1 VLAN The ID assigned to the virtual interface For physical interfaces this column is blank Assign via The method used to assign ...

Страница 25: ... or virtual interface Configuring the Network Link IP You must configure the method for assigning an IP configuration to each interface connected to the NSS NOTE If you hotplug the Ethernet link after the initial installation of the NSS make sure that you wait 15 seconds between the time you unplug the cable and then plug it back in The NSS displays the correct new settings within 10 seconds To se...

Страница 26: ...ddress Enter the IP configuration details manually for the IP address netmask and gateway in dotted quad notation i e set of four digits separated by periods where each digit is in the range of 0 255 STEP 4 Click Update Resetting the DHCP Lease on a Link You can force a renewal of the DHCP lease on the physical link or VLAN that is configured for DHCP STEP 1 From the Manager Menu click Network IP ...

Страница 27: ...rk VLAN page the currently configured VLANs appear Configuring a VLAN to connect to the NSS depends if it is trunk based or port based To configure a trunk based VLAN follow the steps to allow a VLAN to access the NSS See Allowing a VLAN Access to the NSS on page 21 To configure a port based VLAN configure the switch to assign the port to which the NSS is connected to the desired VLAN In this case...

Страница 28: ...S The number appears as 1 VLAN The ID of the VLAN This is configured when the VLAN is added to the NSS and should match the ID of the VLAN as it is configured in your network The range of valid VLAN IDs is from 1 to 4095 Priority The quality of service QoS as defined in the IEEE 802 1p standard for the VLAN traffic VLAN Ethernet frames contain a three bit priority tag ranging from 0 to 7 where 0 i...

Страница 29: ... no NSS configuration changes are required To set up a network VLAN to access the NSS STEP 1 From the Manager Menu click Network VLAN The VLAN Configuration page appears STEP 2 Under New VLAN configure the following fields Link This shows as 1 for the Ethernet link VLAN Enter the ID of the VLAN as it is defined within your network The range of valid VLAN IDs is from 1 to 4095 Priority Select the Q...

Страница 30: ... appears in the VLAN Configuration table A message appears to advise that the VLAN does not take effect until you configure the IP address STEP 4 Click OK The Network IP page appears The newly added VLAN appears in the list STEP 5 Click Edit for the VLAN you need to configure The Network Configuration page appears STEP 6 Click one of the following depending on how you want to assign the VLAN IP ad...

Страница 31: ...ge System Administration Guide 23 3 Changing a VLAN Configuration After you set up a VLAN to access the NSS you can change its configuration details To edit a VLAN configuration STEP 1 From the Manager Menu click Network VLAN The VLAN Configuration page appears STEP 2 Click Edit for the VLAN you want to change ...

Страница 32: ...ields as required STEP 4 Click Update Removing a VLAN s Access to the NSS All connected VLANs appear when you first display the VLAN Configuration page You can delete the connection between a VLAN and the NSS Note that deleting the VLAN only affects the VLAN s ability to access the NSS It does not impact the VLANs operation within your network To disconnect a VLAN s access to the NSS STEP 1 From t...

Страница 33: ... Network Identification The Network Identification page is where you configure the network identity of the NSS including the hostname and domain membership Before you join the NSS to an NTv4 or Active Directory Service ADS domain do the following Configure the IP and DNS information Configure the NTP Server to synchronizing with ADS server Set up your user and group ID ranges on the User Group Set...

Страница 34: ... Manager Menu click Network Identification The Network Identification page appears STEP 2 In the Hostname field enter the name you want to use for the NSS Note any special naming restrictions or conventions enforced by the domain s into which the NSS is being joined CAUTION If you change the hostname any current CIFS connections to shares on the NSS are disconnected STEP 3 To assign the hostname f...

Страница 35: ...annot contain the character Password Enter the password for the administrator account This password is cleared each time you click Update You must re enter the password each time you edit the fields on this page to ensure the rejoin of the domain is successful Member of Active Directory domain Make the NSS part of an Active Directory ADS domain If you select this option set up the following fields...

Страница 36: ...main controller additions or deletions can take up to one hour to appear in the user interface NOTE The NSS3000 supports ADS domains of up to 8 000 users and groups If you connect the NSS to an ADS domain larger than this you might have problems making CIFS connections to the NSS System Volume Location If you checked the Enable Support for Large ADS Domains field you must then select the RAID arra...

Страница 37: ...or WINS server addresses for your network STEP 1 From the Manager Menu click Network DNS WINS The Network Name Resolution page appears STEP 2 Based on your network setup configure the following fields Search Domain Enter the address of the DNS search domain accessible by the NSS For example mycompany com Primary DNS Server Enter the IP address of the primary DNS server on your network Alternate DN...

Страница 38: ... automatically via DHCP Select this to assign the IP address or hostname for the WINS server using the DHCP server If the DHCP server cannot be found or times out the DNS server IP address is assigned the IP address manually entered in the Primary or Alternate WINS Server fields STEP 3 Click Update Joining the NSS to a Network Information System NIS Domain To join the NSS to a NIS domain you need ...

Страница 39: ...te by clicking one of the following Broadcast for NIS Server Click this option to have the NSS search until it finds the NIS server on the network Use the following NIS Servers To manually identify the NIS server you want the NSS to use click this option and then enter the address of up to three different NIS servers The Bind State field shows the current bind status of the NSS Options include Inv...

Страница 40: ... domain users they do not appear in the Security tab in Windows Explorer Running Diagnostics of your Physical Link from the Configuration Interface The NSS lets you test the physical network cable attached to the Ethernet link for certain fault conditions You can either run the test through the Configuration Interface or from the LCD panel on the front of the chassis The test automatically runs ea...

Страница 41: ...ssis until the Ethernet Cable screen appears STEP 2 If the link is up the panel displays the status of the cable If the link is down after a few seconds the test starts After the test completes the status of the cable appears If the link is up the status appears as OK If there is a problem with the link the status is reported according to the pairs within the cable These are the possible test resu...

Страница 42: ...sage Cable is not connected appears The cable diagnostic test only runs the first time you display the Cable Diagnostics screen To rerun the test scroll through the LCD pages until you redisplay the Cable Diagnostics screen Configuring the Network Ports By default the NSS runs network services on their well known IETF defined port numbers You can change the port on which any particular service run...

Страница 43: ...the NSS from a WAN Web Server Port The well known port setting is 80 To access the NSS configuration interface you must have either the HTTP port or HTTPS port enabled Select Disable WAN Access to disallow HTTP protocol access to the NSS from a WAN SSL Web Server Port The well known port setting is 443 Select Disable WAN Access to disallow HTTPS protocol access to the NSS from a WAN STEP 3 Click U...

Страница 44: ... handle The default MTU size is 1500 bytes MTU sizes greater than 1500 bytes are considered jumbo frames STEP 3 To assign the link MTU size automatically using the DHCP server click Assign automatically via DHCP In this case the value entered in the MTU field is used as a backup if the DHCP server does not provide an MTU value or if the server cannot be reached STEP 4 Based on your network require...

Страница 45: ...S You can also view the S M A R T health report for each physical disk To display the Storage Status page from the Manager Menu click Storage Status Status pages like the Storage Status page automatically refresh on a regular interval and are helpful for monitoring the progress of certain processes such as checking the condition of a drive The LCD on the front of the chassis also lets you view the...

Страница 46: ...isk drive and reports the condition of the disk drive Options include Passed The disk drive has passed the S M A R T test and is considered fully operational The Error LED on the disk drive is off Failing The disk drive has failed the S M A R T test and is predicated to fail The red Error LED on the disk drive is blinking Failed The disk drive is not operational has failed The red Error LED on the...

Страница 47: ...ndancy i e RAID levels 1 5 10 one or more of the redundant disk drives is removed from the system or is failed In this state the array is fully recoverable The status is color coded orange Failed One or more disk drives have been removed or are unrecoverable from a RAID0 or a JBOD array For RAID levels 1 5 10 it indicates a loss of the redundant disks in the array plus at least one more drive In t...

Страница 48: ...hassis the USB Storage Status table appears If there is no USB flash device mounted the USB Storage Status table does not appear You can use the USB flash device to save a backup of the configuration file When you finish using the USB flash device click Unmount before you remove it from the AUX 1 port The AUX 1 LED on the front of the chassis must be off before you can safely remove the USB flash ...

Страница 49: ... as the data appears in one logical unit Choosing to store your data using a RAID array gives you the benefit of speed and performance storage capacity decreased downtime costs and increased availability fault tolerance and higher data security The LCD on the front of the chassis lets you view the RAID level i e JBOD 0 1 5 10 the state of the RAID i e clean degraded rebuild failed or stopped and t...

Страница 50: ...t disks The data is broken into chunks and each chunk is written to a different disk Reads and writes to each disk occur in parallel speeding up the total read and write performance of the array Minimum Number of Disks 2 Total capacity m n Advantages Increased read and write performance Disadvantages Decreased reliability A failure of any component disk in the array causes the entire array to fail...

Страница 51: ...n a drive fails in the array When a failed disk is then replaced the array must regenerate and rewrite the parity information of the array This process is referred to as rebuilding During a rebuild the array continues to be available for reads and writes If the parity information in the array gets out of sync with the data in the array usually as the result of an unexpected loss of power to the sy...

Страница 52: ...ranteed Minimum Number of Disks 1 Total capacity sum of capacities of component disks Advantages Maximal storage capacity especially when using mixed size disks Disadvantages Decreased reliability Creating a RAID Array After you install the physical disks you can create the RAID arrays Before you create a RAID array either for the first time or when you are rebuilding it as a result of failed disk...

Страница 53: ...he array STEP 3 From the RAID Level drop down menu click the RAID level of the RAID array that you want to create STEP 4 Click Add NOTE Creating a RAID can take some time to complete depending on the disk sizes and the selected RAID level You can monitor the progress of the RAID build from the Storage Status page When the build finishes the array appears in the RAID Arrays table The disks used in ...

Страница 54: ...you use the same model of disk with the same capacity The new disk must have at least the same capacity of the smallest disk currently in the array With the exception of a JBOD RAIDs are configured to use the maximum of the smallest disk capacity in the array for each additional disk in the array For example if you install two 250 GB disks and one 500 GB disk the total capacity is 750 GB To add a ...

Страница 55: ...ded to a degraded array the RAID array is rebuilt While the rebuild continues you can still use the array After the rebuild process completes the disk becomes part of the redundant storage You can monitor the progress of the rebuild through the System Status page Deleting an Array You can remove an existing array and release the disks used in the array back into available storage Deleting an array...

Страница 56: ...ontinue click OK The deleted array disappears from the list of existing arrays The disks used in the array are released back into available storage and appear in the New RAID Device table Migrating a RAID Array to another Storage Device After you build a RAID array you can migrate it to a different NSS3000 as required you cannot migrate a RAID to or from the NSS4000 or NSS6000 If you are migrating...

Страница 57: ... 5 When all the disk drives are installed power up the NSS STEP 6 If any local users were assigned permissions to shares on the RAID array you must either save the configuration from the original RAID array device and then upload it to the new NSS or manually reconfigure the users and their share permissions Virtualizing Storage within your Network NOTE After you configure a virtual RAID you canno...

Страница 58: ...NSS The first step in creating virtualized storage is to export the disk s or array to the network Note that when you export storage you need to consider how things like rebooting an NSS might impact users of the virtualized storage While the logical storage is controlled from the master NSS the physical device including the disk drives is still controlled through the slave s configuration interfa...

Страница 59: ...ed Storage Creating Virtualized Storage After you export storage from a slave storage unit it becomes available to other storage units in your network The recommended way to use virtualized storage is to assign a master storage unit the master must be an NSS6000 series model The designated master unit then becomes the configuration point for all your storage related management You can use the expo...

Страница 60: ...eate a JBOD with exported disks STEP 1 Log in to the configuration interface from the master NSS6000 series unit STEP 2 From the Manager Menu click Storage RAID The RAID page appears Exported disks from other NSS units in the network appear in the New RAID Device table STEP 3 From the New RAID Device table click the disks or arrays that you want to include in the JBOD STEP 4 Select JBOD as the RAI...

Страница 61: ...ice delete any RAID arrays associated with the storage you want to unexport See Deleting an Array on page 11 STEP 2 Display the Configuration Interface for the slave device that contains the storage you want to unexport STEP 3 From the Manager Menu click Storage Virtualization The Storage Virtualization page appears STEP 4 Click Unexport for the device you want to release from the network The disk...

Страница 62: ...additional volumes The LCD lets you view the existing volumes and the percentage of space used The Volumes table displays the following Volume The name of the volume Location The array on which the volume is located Total Space The amount of space allocated for the volume in MB GB or TB Used The amount of space as a percentage that is currently used Crypto Whether the volume is encrypted or not No...

Страница 63: ...ither click Unlock to unlock it and make it usable or click Lock to manually lock it Creating a Volume After you define at least one RAID array you can create a volume You need to create at least one volume before you can create users groups or shares To create a volume STEP 1 From the Manager Menu click Storage Volumes The Storage Volumes page appears STEP 2 From the New Volume area set up the fo...

Страница 64: ... is encrypted or unencrypted to The file transfer performance for encrypted volumes is generally lower than for non encrypted volumes STEP 4 Enter a password in the Password field The password must be entered to unlock an encrypted volume when the NSS is started up following a power interruption shutdown or rebooted or if the volume was manually locked through the NSS configuration interface The p...

Страница 65: ...Administration Guide 21 4 Expanding a Volume After a volume is created you can increase its size provided there is available space on the array To increase the size of a volume STEP 1 From the Manager Menu click Storage Volumes The Volumes page appears STEP 2 Click Edit for the volume you want to expand ...

Страница 66: ... the Size field and then set the unit field to MB Resulting Size Select this option to resize the volume to the space entered in the Size field For example if the volume currently has 224 MB of space and you want it to have 928 MB select Resulting Size and then enter 928 in the Size field NOTE The system rounds up the total space to the nearest 32 MB boundary STEP 4 Depending on your choice in the...

Страница 67: ... at any time CAUTION Deleting the volume removes any shares or data currently saved to that volume If the volume was assigned as the users Home Directory Location you must reassign it to another volume To delete a volume STEP 1 From the Manager Menu click Storage Volumes The Storage Volumes page appears STEP 2 From the Volumes area click Delete for the volume you want to delete ...

Страница 68: ...eate a volume and lock unlock or change the password for encrypted volumes NOTE File transfer performance to encrypted volumes is generally lower than non encrypted volumes Locking an Encrypted Volume You can manually lock an encrypted volume at any time Locking a volume means that it becomes unmounted and is unusable you cannot create or use shares stored on the locked volume This provides an ext...

Страница 69: ...ws if the volume is encrypted Yes or not encrypted No STEP 2 Click Lock to lock the volume NOTE The encrypted volume is locked automatically when the NSS is reboot or if a power outage occurs Unlocking a Locked Volume When an encrypted volume is locked either automatically as a result of the NSS being rebooted or manually locked through the configuration interface you must unlock it before it can ...

Страница 70: ...Small Business NSS3000 Series Network Storage System Administration Guide 26 4 To unlock a volume STEP 1 From the Manager Menu click Storage Volumes The Volumes page appears STEP 2 Click Unlock for the volume you want to unlock The Unlock Volume page appears ...

Страница 71: ... the password at any time The password must be entered under two conditions when the NSS is started up after a power interruption or the volume has been manually locked CAUTION Because the password is required to de crypt a locked volume keep a backup of the password to ensure that it is accessible when required There is no way to unlock the volume without the password If you forget the password t...

Страница 72: ...crypted Volume Cisco Small Business NSS3000 Series Network Storage System Administration Guide 28 4 The Volumes page appears STEP 2 Click Edit for the volume you want to change The Edit Volume page appears STEP 3 In Current Password field enter the password ...

Страница 73: ... prioritizes the rebuild and allocates the system s resources based on your system s current workload and need for responsiveness To set the RAID rebuild priority choose one of the following options from the RAID Rebuild Priority field High The CPU focuses on the RAID rebuilding process This setting allows for the fastest possible RAID rebuild at the expense of other system tasks File sharing thro...

Страница 74: ...cular array If this option is enabled spare drives added to one RAID array may be reallocated by the NSS to another RAID array For example if RAID A is a two drive RAID1 that is not degraded and RAID B is a degraded two drive RAID1 if you add a spare drive to RAID A the NSS automatically gives the spare drive to RAID B to enable RAID B to resync This option is only relevant when you use network di...

Страница 75: ...to the NSS grouped by the file sharing protocol used The page displays the username the name of the host from which the user is currently connected and the share or path that the user is accessing Status pages automatically refresh on a regular interval and are very helpful for monitoring the progress of certain processes such as the current end user connections to the NSS ...

Страница 76: ... are read only with the exception of the email address field which you can update directly through the NSS Configuration Manager Once a user profile is created you cannot rename the username To rename an existing user profile delete the user profile and then create a new one User profiles are maintained by the administrator Users cannot make changes to their passwords To limit the entries in the U...

Страница 77: ... NSS configuration interface Before you can create a user profile you must configure the volume you want to use as the home directory location for your users on the Access Options page from the Manager Menu click Access Options To add a local user STEP 1 From the Manager Menu click Access Users The Configured Users window appears Users created from the NSS configuration interface and provided by t...

Страница 78: ...ies to users set up locally on the NSS A domain user s primary group is set up from the domain and is not derived from the Primary Group field in the NSS user profile STEP 5 Assign a password by entering any valid ASCII table characters in the Password field The password is required STEP 6 To verify the password re enter it in the Confirm Password field NOTE All password changes to end user accoun...

Страница 79: ...anager All password changes for end user accounts set up directly through the NSS configuration pages must be done by the Administrator To edit an existing user profile STEP 1 From the Manager Menu click Access Users The Configured Users page appears The existing users appear in the Configured Users table STEP 2 Select the user from the list and then click Edit To limit the entries in the User lis...

Страница 80: ...e user list from the Configured Users page but can only edit or delete locally created users not domain users The one exception to this is that you can edit the email address directly from the Configuration Manager The naming conventions use the NetBIOS format with the domain name as a prefix of the username The primary group for users set up within the ADS NTv4 or NIS domain is taken from the use...

Страница 81: ...e is bob the user would need to log in as NASadmin bob in the login dialog Deleting a User Profile You can delete user profiles that were created through the NSS When you delete a user profile the user s home directory and any files or folders created by the user on the various shares are not deleted As an administrator you can log into CIFS using the administrator account to delete the user s dat...

Страница 82: ... group called nasusers is automatically created when you first install the NSS This group is the default primary group when you create new users To limit the entries in the Group list perform a substring search by entering the desired search string in the Group List Filter field and then clicking Filter For example enter ea to display any list items that contain ea such as Sean or BillyJean To cle...

Страница 83: ...s Network Storage System Administration Guide 9 5 NOTE You cannot grant security privileges to a group for a CIFS share through an ACL To create a group STEP 1 From the Manager Menu click Access Groups The Configured Groups page appears STEP 2 Click Add The New Group page appears ...

Страница 84: ...e desired search string in the User List Filter field and then clicking Filter For example enter ea to display any list items that contain ea such as Sean or BillyJean STEP 5 Click OK to save the current group and display the Configured Groups page Click Apply to save the current group and remain in the New Group page to add another group Changing the Users Assigned to a Group After you create a g...

Страница 85: ...Click Update Integrating Groups from an Active Directory NTv4 or NIS Domain When the NSS is joined to an Active Directory NTv4 or NIS domain domain groups only appear on the Shares page they do not appear in the list of configured groups Group membership for imported domain groups are read only The naming conventions use the NetBIOS format with the domain name as a prefix of the group name For exa...

Страница 86: ...e a group from the Groups page and Edit Groups page To delete a group from the Groups page Highlight the group you want to delete from the Configured Groups table and then click Delete To delete multiple groups use the following key mouse combination Shift click To select a contiguous list of groups that you want to delete hold down the Shift key then click the first group and then the last group ...

Страница 87: ...ey reduce their usage to under their soft quota limit When a user creates modifies or deletes a file on a volume there is a small delay before the usage is updated on the Filesystem Quota page This delay is due to the caching in the filesystem used to provide high performance NOTE Before you create or edit a quota located on an encrypted volume make sure that the volume is unlocked You also need t...

Страница 88: ...ofile About the Volume Quota Page The Volume Quota page is where you manage user and group quotas for each volume To display the Volume Quota page from the Manager Menu click Access Quota Creating Volume Quota for a User or Group You can set up a quota on a volume for each user or group This quota limits the user or group to the allocated amount of space within the volume To give certain users or ...

Страница 89: ...olume make sure that it is unlocked You also need to set up the Warn For time for each volume from the Filesystem Quota page The Warn For time only affects individual quota that was created after the Warn For time was set To create a quota for a user or group STEP 1 From the Manager Menu click Access Quota The Filesystem Quota page appears STEP 2 Click Create Quota The New Filesystem Quota page ap...

Страница 90: ...when exceeded triggers a warning that the quota is close to being used up Select the size unit from the drop down menu When the threshold is exceeded the grace period set up for the volume begins The user has the amount of time set in the grace period to reduce the amount of space used to under the space set in the Warning at field or they are not allowed to write further data to the volume Anothe...

Страница 91: ...ore the grace period expires or the user reaches the hard quota the user is automatically denied write access to the volume NOTE Before you create quotas for a user or group make sure that you set up the Warn For time for each volume from the Filesystem Quota page The Warn For time only affects individual quota that was created after the Warn For time was set To set up the grace period for a volum...

Страница 92: ...s their soft quota limit the amount listed on Filesystem Quota page turns red STEP 3 Click Update STEP 4 Repeat steps 2 and 3 for each applicable volume Changing a Volume Quota for a User or Group After a quota is created you can increase or decrease it You can also change the limit at which the user or group receives a warning message and the grace period begins To change the quota limit or warni...

Страница 93: ... the soft warning or hard quota space limit limits STEP 4 Click Update Clearing a Quota After a quota has been set up you can clear it Clearing a quota means that the user or group no longer has a space limitation on their use of the associated volume other than the actual unused storage space on the volume To clear a quota for a user or group STEP 1 From the Manager Menu click Access Quota ...

Страница 94: ...ted volume STEP 2 Click Clear for the user or group whose quota you want to remove Network Filters Overview In addition to providing storage for your data the NSS provides a configurable firewall to protect that data Defining network filters lets you specify which network hosts have access to the NSS through the various supported protocols To view the network filters STEP 1 From the Manager Menu c...

Страница 95: ...isting filters defined for the NSS from the Active Network Access Filters table See Network Filters Overview on page 20 Create a new filter based on an IP MAC Address or a range of IP addresses See Creating a Network Filter on page 23 Defining the Default Network Policy The default network policy is the policy that defines the gateway for communication to the NSS It specifies how traffic that is n...

Страница 96: ... of connections For example you might want to disallow CIFS connections but allow all other types Drop Traffic Disallow the NSS from communicating with any initiating systems Select this option if you have a limited number of systems that you want to allow to communicate with the NSS When you set up your filters select those filters that allow certain types of connections For example you might onl...

Страница 97: ...angeable 32 bit IP address When you define a filter it grants or denies access through the specified protocol from the specified IP MAC address or range of IP addresses NOTE When you define a new filter any existing connections that would normally be denied by this rule remain in tact These connections are denied during the next attempt to connect to the NSS To add a network filter STEP 1 From the...

Страница 98: ...mat should appear as shown in the following example 192 168 1 0 24 where the digits following the slash represent the number of bits in the network portion of the IP address STEP 3 From the Filter drop down menu select the type of filter you want to apply to the IP MAC address STEP 4 Click Add Any connections that apply to the new filter rule are affected by the rule during the next connection att...

Страница 99: ...erface through a Web browser through HTTPS Allow NFS Allow NFS access Reject All Reject traffic through all supported protocols Reject CIFS Do not allow CIFS filesharing access The NSS informs the system initiating the connection about the denial of service Reject FTP Do not allow FTP traffic The NSS informs the system initiating the connection about the denial of service Reject FTPS Do not allow ...

Страница 100: ...rvice Drop FTPS Do not allow FTPS traffic The NSS does not inform the system initiating the connection about the denial of service Drop HTTP Do not allow access to the NSS configuration interface through a Web browser through HTTP The NSS does not inform the system initiating the connection about the denial of service Drop HTTPS Do not allow access to the NSS configuration interface through a Web ...

Страница 101: ...s from the list The filter is no longer active Configuring the User Group Ranges and Home Directory Location To avoid conflicts between your user and group IDs it is important to set up the ranges for the various types of users and groups i e local NIS domain and Windows domain The ID range should be set up before you create any local users or join a NIS NTv4 or ADS domain as you should not change...

Страница 102: ...s NIS Domain Users and Groups ID Range This ID range should match the range of IDs defined in your NIS domain and not conflict with the local or Windows ID range Set this range before you join the NSS to the NIS domain Windows Domain Users and Groups ID Range This ID range must be at least 10 000 in size Users and groups from your NTv4 and ADS domain are mapped to local user or group IDs within th...

Страница 103: ...about the shares currently defined on the NSS You can add new shares by clicking the Create Share button There is a limit of 21 users and groups the combined total that you can assign access privileges to a share If you have a number of users that exceeds the limitation assign the applicable users to a group or groups and then assign the group to the share There is no limit to the number of users ...

Страница 104: ...ber of users that exceeds the limitation assign the applicable users to a group or groups and then assign the group to the share There is no limit to the number of users that you can assign to an individual group NOTE You cannot create a share on a locked volume If the volume is locked go to the Volume page and unlock the volume To add a share STEP 1 From the Manager Menu click Shares Shares STEP ...

Страница 105: ...S root when it is created You cannot set it as a DFS root after it is created or revert a DFS root share to be a regular share When you set this option the CIFS Default File Creation Attributes and Protocol checkboxes are greyed out as they are not relevant To add shared folder links to the root See Adding a DFS Shared Folder on page 37 STEP 7 Set up the defaults for how file permissions are set w...

Страница 106: ...der the applications used by your users to determine how you want to set this field Select this field By selecting this field users with write permissions can rename or delete files or folders within the assigned share even though they are not the owners of the files or folders Deselect this field Users cannot rename or delete a file or folder within the assigned share unless they are the owners o...

Страница 107: ...election in the direction of the bracket The double angled bracket or moves the entire list in the direction of the bracket To limit the entries in the Groups list perform a substring search by entering the desired search string in the Group List Filter field and then clicking Filter For example enter ea to display any list items that contain ea such as Sean or BillyJean Read Only Groups These gro...

Страница 108: ...ermines whether users who are assigned to a share can delete or rename files or folders within that share that they do not own It is important to consider interoperability with applications such as MS Word 2007 and Photoshop For example if this field is not selected and you gave a user write permissions to a file and that user tried to open edit and save the file the save would fail because Word s...

Страница 109: ...ributes checkboxes Group Readable Members of the group assigned to the file have read only permissions The group is assigned during file creation For NFS files the owner can manually set the group permissions when the file is created and can edit them at a later time For CIFS files the group is automatically assigned as the owner s default group This group cannot be edited at a later time Group Wr...

Страница 110: ...lay any list items that contain ea such as Sean or BillyJean Read Only Users Usernames that appear in this list have read only access to the share Read Write Users Usernames that appear in this list have read write access to the share STEP 9 Use the last two tables in the window to set up your group permissions for the share Move any groups that you want to have access to the share from the left s...

Страница 111: ...red to as DFS shared folders When you create a DFS shared folder from a share the user must have privileges set up to access that share on the remote system After the user accesses the DFS shared folder through the NSS DFS root share the user s rights to the DFS shared folder are those assigned to the corresponding target share on the remote system To add a DFS root directory to a share that has b...

Страница 112: ...Managing the Shares Adding a DFS Shared Folder Cisco Small Business NSS3000 Series Network Storage System Administration Guide 38 6 The Edit Share page appears STEP 4 Click Add Shared Folder ...

Страница 113: ...rver Name Enter the name of the remote server Username Enter the username of the account with access to the server Password Enter the password for the above account STEP 6 If you are adding a folder to DFS click OK If you are importing a remote server click Import NOTE Make sure that you review the restrictions and recommendations for using Microsoft DFS from the NSS Restrictions using Microsoft D...

Страница 114: ... share Windows Operating System Version MSDFS is not supported by Windows 98 clients Windows Clients must be Restarted After you set up a DFS root any Windows clients that were connected must be restarted Setting up CIFS Access Although you cannot globally disable CIFS as you can for NFS and FTP you can allow or disallow CIFS access on a per share basis The CIFS Networking Configuration page lets ...

Страница 115: ...rop down box select the amount of time that the CIFS connection can be idle after which it is disconnected STEP 3 Click Update Setting up Network Filesystem NFS Access The first step to enable NFS access to the NSS is to enable it globally You then need to enable it on a per share basis NOTE The NSS only supports NFSv3 To set up global NFS access to the NSS STEP 1 From the Manager Menu click Share...

Страница 116: ...requests are complete on the NSS as they normally would Instead they continue immediately after committing the write This can improve performance if the NSS is heavily used STEP 4 If asynchronous writes is enabled you can enable aggregate write requests by selecting Aggregate Write Requests checkbox When enabled NFS write requests are bulked and sent in a batch When disabled the write requests are...

Страница 117: ...TP faster but not as secure and FTPS not as fast as FTP but more secure Note that the NSS only supports Explicit FTPS versus Implicit FTPS The NSS does not support SFTP After you globally enable FTP access you can allow or disallow FTP access on a per share basis NOTE The default setting is to disable FTP access You must enable FTP access before your users can access the NSS storage through FTP re...

Страница 118: ...age box enter a message that appears when a user first connects to the NSS STEP 4 To allow only file transfers using FTPS FTP over SSL click Allow only FTPS Connections make sure the Allow Anonymous Access checkbox is deselected STEP 5 To allow anonymous FTP access click Allow Anonymous Access STEP 6 If you allow anonymous access select the volume that you want to set as the anonymous root directo...

Страница 119: ...ections leave this field blank The maximum FTP connections cannot exceed the maximum FTP connections allowed by the connection profile See Configuring the Connection Profile on page 51 For example if you set the connection profile to Standard the maximum FTP connections is two STEP 13 Set up the defaults for how file permissions are set when a file is created using FTP through the following Defaul...

Страница 120: ...r within the assigned share unless they are the owners of the file or folder NOTE Unlike the setting on the Shares Setup page this setting is global not per share All files within folders created through FTP act according to this setting regardless of the share they are created in STEP 15 If you want clients to access the NSS through Passive Mode FTP through a firewall and or router enter the rout...

Страница 121: ...backups that have been configured It lets you schedule further backups or initiate a manual backup Creating a Scheduled Backup for a Share You can quickly configure a backup to run at a scheduled time interval for a share or group of shares The backup can be saved to a remote CIFS server or to another share on the NSS To set up a scheduled backup STEP 1 From the Manager Menu click Shares Backup ST...

Страница 122: ...angled bracket or moves the entire list in the direction of the bracket STEP 4 Click one of the following to determine the destination for the backup Remote CIFS Filer To save the backup on a remote CIFS server click this option and then configure the hostname of the remote server the remote share as well as the login credentials to that share Local File System Select the share on which you want t...

Страница 123: ...ect the day of the month on which you want the backup to occur Make sure that you select a day that is 28 or less If you select the 29th 30th or 31st day the backup does not run during months that do not contain that day STEP 8 In the Run Backup at field set up the specific time hour minute at which time the backup occurs When setting the hour use the 24 hour clock STEP 9 To set up a backup that b...

Страница 124: ...ver or to another share on the NSS To initiate a backup manually STEP 1 From the Manager Menu click Shares Backup The Scheduled Backups page appears STEP 2 Click Run Backup The Run a Backup page appears STEP 3 Move the shares you want to include in the backup from the Available Shares list to the Shares to Backup list The single angled bracket or moves the selection in the direction of the bracket...

Страница 125: ...backup job runs for a CIFS share or group of CIFS shares the backup image is saved to the local share if configured for backups To remove these images you must have administrator privileges To delete a backup image from a local CIFS share STEP 1 Login to the share using the admin username together with the password configured for the administrator STEP 2 Go to the backup folder and delete the back...

Страница 126: ...ile STEP 1 From the Manager Menu click Shares Properties The Connection Profile page appears STEP 2 Select one of the following Standard This is the default setting It allows up to 2 FTP and 15 CIFS simultaneous connections to the NSS Advanced Network Video Recorder Select this option to allow up to 16 FTP and 8 CIFS simultaneous connections to the NSS STEP 3 Click Update ...

Страница 127: ... the chassis lets you view the current time and date of the system the firmware version and last upgrade date and the status of the firmware upgrade Rebooting or Shutting down the system See Rebooting or Shutting Down the NSS on page 54 Upgrading the firmware See Upgrading the NSS Firmware on page 55 Restoring configuration settings to factory defaults See Restoring the Factory Default Configurati...

Страница 128: ...that power to the NSS is never interrupted See Handling an Unexpected Unclean Shutdown on page 105 During a reboot or shutdown of the NSS the color and blink rate of the Power LED on the front of the chassis indicates the status of the currently selected process To reboot or shut down the NSS STEP 1 From the Manager Menu click Admin Maintenance The System Details page appears STEP 2 Click one of t...

Страница 129: ...ontinue STEP 4 You can view the Power LED on the front of the chassis during the reboot or shutdown process It changes to indicate the current status of the process When the NSS is fully powered up the Power LED is solid green When the shutdown is complete the Power LED is off You need to unlock any encrypted volumes following any reboot or power up of the NSS Upgrading the NSS Firmware Before you...

Страница 130: ...on interface To upgrade the firmware STEP 1 Back up the system configuration file on a USB flash device before you upgrade the firmware It is a good idea to back up the configuration file daily STEP 2 Download the latest image from the support website to your local computer STEP 3 From the Manager Menu click Admin Maintenance The System Details page appears STEP 4 In the Firmware image file field ...

Страница 131: ...ing the Factory Default Configuration There are two ways to restore configuration settings when you run into a problem with the NSS preserve the specific storage configuration but restore everything else to factory defaults or reset only the network settings so that you can log into the NSS configuration interface CAUTION If you restore the full factory defaults to an NSS in a virtualized setup yo...

Страница 132: ...he recessed Reset button on the front panel of the chassis and then apply power to the system Wait until you see the Power LED on the front of the chassis flash yellow rapidly and then release the Reset button The following settings are reset to their default Link Addressing DHCP NSS Hostname nas MAC address of primary link For example nas0123456789ab Network Ports The network ports are reset to t...

Страница 133: ...at is inserted into the AUX 1 port on the front of the chassis When you save the configuration file it is time and date stamped and becomes available in the list of available configuration files when you click the Restore button from the Configuration Manager page After you mount the USB flash device by inserting it into the AUX 1 port make sure you unmount the USB flash device before you remove i...

Страница 134: ...can choose to save the current configuration settings to a specified volume on the NSS or you can save the file to a USB flash device inserted into the AUX 1 port NOTE If you restore a configuration file that was saved in an older version of the NSS firmware than the current version check the settings after you restore the file to ensure they were updated correctly To save the current configuratio...

Страница 135: ...rom the USB flash device to another location on your network STEP 4 Click Update STEP 5 Click Save to save the configuration settings If the configuration file does not successfully save to the specified volume check the volume to ensure that it is not locked STEP 6 If you saved the file to the USB flash device open the Storage Status page STEP 7 Click Unmount NOTE Removing the USB flash device in...

Страница 136: ...n of the NSS firmware than the current version check the settings after you restore the file to ensure they were updated correctly To restore a configuration file STEP 1 From the Manager Menu click Admin Configuration The Configuration Manager page appears STEP 2 If the configuration file is not located on a volume in the NSS copy it onto a USB flash device and then insert the USB flash device int...

Страница 137: ...encryption key used to encrypt the volume data Including it in the configuration backup does not decrease the security of the encryption because this same header would be available to any attacker with physical access to the system You can choose to restore these keys or not depending on the reason you are doing the restore If the encryption header on an encrypted volume becomes corrupted restorin...

Страница 138: ...ypted volumes to make them available for storage purposes STEP 11 If you saved the file to the USB flash device display the Storage Status page STEP 12 Click Unmount NOTE Removing the USB flash device in a mounted state means that you risk causing file or filesystem corruption STEP 13 When the AUX 1 LED on the front of the chassis is off you can safely remove the unmounted USB flash device from th...

Страница 139: ...ose to delete a configuration file To delete a configuration file STEP 1 From the Manager Menu click Admin Configuration The Configuration Manager page appears STEP 2 If the configuration file is located in a location on your network install it onto a USB flash device and then insert the USB flash device into the AUX 1 port on the front of the NSS chassis STEP 3 Click Restore A list of saved confi...

Страница 140: ...e you can manually refresh the page by reselecting the NTP Configuration page from the Manager Menu If the synchronization failed the following occurs An error message stating Could not synchronize with NTP server s appears in the NTP Configuration page The system alert message Could not synchronize with NTP server s appears in the System Status page If the SNMP traps are configured an SNMP trap m...

Страница 141: ...ur network or can be public NTP servers located on the Internet Skip to step 6 STEP 4 Click Manually STEP 5 Enter the date and time in the Date and Time fields STEP 6 Select your time zone from the Time Zone drop down menu STEP 7 Click Update Configuring the Email Alerts for a Recipient You can create a list of users that will receive email alerts when changes occur to the NSS Changes can include ...

Страница 142: ...ng fields in the Alert Recipients Types area Email Address Enter the user s email address Disk Check this option to notify the user when a change occurs to the disks installed in the NSS RAID Check this option to notify the user when a change occurs to a RAID array Quota Check this option to notify the user when a change occurs to a quota Backup Check this option to notify the user when a backup i...

Страница 143: ...ts for a Recipient After you define a recipient to receive email alerts you can only edit the alert profile by first deleting the existing profile and then recreating it To edit the email alerts STEP 1 From the Manager Menu click Admin Email Alerts The Email Alerts page appears STEP 2 Click Delete for the applicable email recipient STEP 3 Recreate the email recipient STEP 4 Click Add Click Test Al...

Страница 144: ...nt Profile To stop sending all email alerts to a user you can delete the profile at any time This is also one of the steps you must take if you want to make changes to the types of email alerts the user receives To delete the email alerts STEP 1 From the Manager Menu click Admin Email Alerts The Email Alerts page appears STEP 2 Click Delete for the applicable email recipient ...

Страница 145: ...Trapsinks STEP 1 From the Manager Menu click Admin SNMP The SNMP Trapsinks page appears STEP 2 To install the NSS MIB on your management station click Download STEP 3 Save and install the MIB to your management station For more information on installing and integrating the NSS MIB into your management station refer to the management station documentation STEP 4 Enter the IP address or hostname for...

Страница 146: ...l be deactivated 3 a RAID goes into a failed state 4 a RAID is deactivated 5 a RAID is rebuilt 6 a RAID is created Quota When a user or group is over their quota Backup When a backup job completes Power When there is a change in the state of the UPS Monitor When there is an event tracked through the hardware monitor i e voltages fans and temperatures that falls out of specification STEP 6 Click Ad...

Страница 147: ...t it by pressing the Reset button on the NSS chassis and restoring the factory defaults The default password is admin To set up the administrator password STEP 1 From the Manager Menu click Admin Password The Admin Password Configuration page appears STEP 2 Enter the current password in the Current Password field STEP 3 Enter the new password in the New Password field STEP 4 Re enter the new passw...

Страница 148: ... the NSS As the administrator you also have read write access to a hidden share called storage This share gives access to all data on the system including user home directories As the administrator you can read write and delete all files and folders regardless of who owns them For this reason make sure that you change the default administrator password From the My Computer window type the NSS host...

Страница 149: ... bar Where the hostname refers to your NSS hostname and IP address refers to your NSS IP address For example NAS0123456789ab or 192 168 1 2 Browse for the NSS from the My Network Places window Map the NSS to a network drive The Login window appears STEP 2 If your user profile is set up locally that is through the NSS configuration interface and the NSS is part of a Windows domain in the User name ...

Страница 150: ...dress or hostname of the NSS For more information about using your FTP client application refer to its documentation STEP 2 Enter your username and password when prompted by your FTP client When your FTP client has logged in a list of accessible shares appears as individual directories STEP 3 Depending on your share privileges you can begin using the NSS storage Mac Users Accessing Storage through...

Страница 151: ...they have privileges on the NSS storage using FTP However they cannot rename folders when using FTP to access the NSS storage To rename a folder use CIFS or NFS if it is enabled on the share NOTE Before your end users can access the shares on the NSS using FTP the NSS must have FTP access enabled and the individual share must be set up to allow FTP access To access the NSS storage using FTP STEP 1...

Страница 152: ...TEP 1 Log into the client system as root STEP 2 Create a mount point directory for the mount if you do not already have one e g mkdir mnt nas_share1 STEP 3 Mount the NFS share by typing mount v t nfs o nfsvers 3 rsize 32768 wsize 32768 IP address hostname mount point path on NSS mount point path on client The mount point path on the NSS appears in the Shares page STEP 4 Log out of the root account...

Страница 153: ...share must be also be set up to allow FTP access To access the NSS storage using FTP STEP 1 Open your FTP client application STEP 2 Enter the NSS hostname IP address STEP 3 Enter any other required settings If using FTPS ensure that the client is set to use Explicit FTPS For more help using the FTP client refer to the FTP client documentation STEP 4 Enter your username and password when prompted b...

Страница 154: ... while providing a means of centrally organizing managing and controlling access to these resources AES Advanced Encryption Standard A block cipher adopted as an encryption standard by the U S government Aggregation The act of collecting something together In Network Storage Aggregation you can put together pieces of networked storage into one logical storage unit B Bonjour Apple s version of the ...

Страница 155: ...ration Protocol Software that dynamically assigns IP addresses to devices on a TCP IP network DHCP software typically runs in servers and is also found in network devices such as ISDN routers and modem routers that allow multiple users access to the Internet Newer DHCP servers dynamically update the DNS servers after making assignments DiffServ Differentiated Services A scalable IP Layer 3 method ...

Страница 156: ...n name is usually the name of the company that owns the computer in this case Google The final portion of a domain name tells you what kind of site is served by this machine In this case com means this is a commercial site Other categories include net org edu fr uk etc All devices sharing a common part of the IP address share that domain dotted quad This refers to the IP address number The dotted ...

Страница 157: ...ol that provides the structure and language for file requests between clients and servers including the commands for opening reading writing and closing files across the network It may also provide access to the directory services It is sometimes referred to as a client server protocol and functions at the application layer layer 7 of the OSI model In order for a client to have access to multiple ...

Страница 158: ...EEE 802 1p An IEEE standard that provides quality of service QoS in 802 based networks at the MAC level 802 1p uses three bits defined in 802 1q to allow switches to reorder packets based on priority level traffic class expediting and dynamic multicast filtering It also defines the Generic Attributes Registration Protocol GARP and the GARP VLAN Registration Protocol GVRP GARP lets client stations ...

Страница 159: ...naling filesystem restores the data on the disk to its pre crash configuration It also recovers unsaved data and stores it in the location where it would have gone if the computer had not crashed This type of system is beneficial for mission critical systems A physical journal logs verbatim copies of blocks that will be written later for example ext3 as compared with a logical journal that logs me...

Страница 160: ... typically indicated in thousands tens of thousands or hundreds of thousands of operational hours between failures It is most often defined as the average time between failures MTBF can be derived from extensive and time intensive testing of the working product calculated from actual product field performance depending on the product its market its usage and the ability to retrieve accurate usage ...

Страница 161: ...evice or system external to or within the NSS that supplies electrical power to the device or group of devices R RADIUS Remote Authentication Dial in User Service An authentication authorization and accounting protocol to access a network locally or remotely RADIUS uses a RADIUS server that resides in the local network or as an offsite leased resource service to perform the authentication and auth...

Страница 162: ... designed for transfer of data to and from a hard disk Serial ATA is a serial link a single cable with a minimum of four wires creates a point to point connection between devices Transfer rates for Serial ATA begin at 150 MBps One of the main design advantages of Serial ATA is that the thinner serial cables facilitate more efficient airflow inside a form factor and also allow for smaller chassis d...

Страница 163: ...evices on a network It is mainly used by Microsoft Windows enabled computers SMTP Simple Mail Transfer Protocol The standard protocol for sending emails over the Internet typically used in conjunction with POP or IMAP mail servers so that end users can receive save and store email Snapshot A copy of a set of files volumes or directories as they were at a particular point in time The Cisco NSS uses...

Страница 164: ...the server to encrypt a random number and send it back to the server The random number combined with additional random numbers previously sent to each other is used to generate a secret session key to encrypt the subsequent message exchange U UPnP Universal Plug and Play A family of protocols from the UPnP Forum that automatically configure devices discovering services and providing peer to peer d...

Страница 165: ...tly from a console port or via the LAN using IP W Well Known Ports IANA assigns TCP and UDP port numbers to specific uses The port numbers are divided into three ranges the Well Known Ports the Registered Ports and the Dynamic and or Private Ports The Ports that are popular well known are those in the range 0 to 1023 WINS Windows Internet Naming Service This is part of the Microsoft Windows NT Ser...

Страница 166: ...ask Force specification that lets IP network devices automatically configure themselves and be discovered without manual intervention Zeroconf can also manually assign an IP address and alternate host name to a device as required Once assigned Zeroconf lets users and applications readily discover the service it offers Apple s Bonjour is the major implementation of Zeroconf ...

Страница 167: ...when the NSS first starts up and then the LED blinks green This condition also occurs if the upgrade of the firmware process fails although in this case the LED remains in a solid yellow condition until the user clicks OK from the System Details page following an unsuccessful upload After the user clicks OK the system reboots using the current version of the firmware Blinking Yellow The network co...

Страница 168: ...stem LED The System SYS LED indicates that a system error has occurred on the NSS These are the LED colors and their meanings Solid Yellow Indicates one of these error conditions You can view the error through the NSS configuration interface A volume is more than 90 full A disk drive has failed or is about to fail A fan has stalled The system temperature is above the maximum threshold The temperat...

Страница 169: ...ly idle Flickering Yellow The LAN link is up and running at 10 100 link speed and is currently active The LED flickers off with activity Off No LAN link is detected Hard Disk Drive LEDs The ACT and Error LEDs shows the status of the installed disk drives ACT LED The ACT LED states indicates drive activity These are the LED colors and their meanings Solid Green The disk drive is configured but is c...

Страница 170: ...e On A UPS is attached to the NSS and the UPS function is enabled in the System Power page in the configuration interface Reset Button Use the Reset button to restore the network setting system defaults or to reset the box The Reset button is located to the left of the display button on the front panel of the NSS You might need to use a pen or the end of a straightened paperclip to press the butto...

Страница 171: ...u view various aspects of the system such as the status of the configured RAIDs volumes the status of the bootup and so on To step through the available options press the Display button Each time you press the Display button the next screen appears Because of the screen space limitations within many of the available screens the information appears on multiple pages For example the Home screen has ...

Страница 172: ...rt was found and m stands for metres Open If the cable has an open the message appears as pair a b open Xm where a and b are the numbers of the pair X is the location in the cable where the open was found and m stands for metres Disconnected If the cable shows an open at the minimum measurable distance it is assumed that the cable is not connected The message Cable is not connected appears The cab...

Страница 173: ...e you must rebuild the JBOD after you replace the disk If an array with no redundancy has a failed disk drive you must delete the array replace the disk drive and then recreate the array NOTE When adding disks to an array we recommend you use the same model of disk with the same capacity The new disk must have at least the same capacity of the smallest disk currently in the array With the exceptio...

Страница 174: ...s Network Storage System Administration Guide 100 A The RAID page appears STEP 3 In the RAID Arrays table click Edit for the applicable RAID array The RAID Configuration page appears STEP 4 Available disk drives appear in the listing Click Add to add the disk drive to the array ...

Страница 175: ...EP 2 Reboot the NSS Make sure that you do a safe reboot using the Reboot function See Rebooting or Shutting Down the NSS on page 54 STEP 3 When the system reboots log back into the configuration interface STEP 4 From the Manager Menu click Storage RAID The RAID page appears The failed array appears with a status of Stopped STEP 5 Click Delete The disk drives used in the failed array become part of...

Страница 176: ...de was not successful The system automatically reboots using the current firmware version The Power LED blinks green and then goes solid green when the reboot completes STEP 2 Go through the steps to upgrade the firmware Free Bound Virtualized Storage when the Master System Fails A storage system is bound to a failed storage system and rejects any bind requests from other systems Follow these step...

Страница 177: ...m the NSS to a 100 Mbps switch and then reconnect the NSS to a 1 Gps switch the link is not restored To resolve the problem STEP 1 Unplug the Ethernet link STEP 2 Wait at least 15 seconds STEP 3 Reconnect the link STEP 4 Wait 10 seconds The link is re established You can view the status from the System Status page on the configuration interface Unable to Create a Share or Quota for a Volume When y...

Страница 178: ...og into the NSS through FTP but are unable to access their home directory or shares on the NSS To resolve the problem you need to configure these settings to enable FTP access STEP 1 From the Manager Menu click Shares FTP Setup STEP 2 Make sure that Enable FTP is selected You can go through the settings on this page to ensure they are correctly defined STEP 3 Close the FTP Setup page STEP 4 From t...

Страница 179: ...teps only apply to Internet Explorer version 6 0 The steps for other versions might vary slightly STEP 1 From the Internet Explorer browser window click Tools Internet Options STEP 2 Click General and then click Settings The Settings window appears STEP 3 Under the Check for newer versions of stored pages section click Automatically STEP 4 Set the Amount of disk space to use to 1 MB STEP 5 Click O...

Страница 180: ...em Settings from a USB Backup If you have a valid backup on a USB flash device it might be easier to restore the system settings from the backup versus manually going through and checking each system setting STEP 2 If you attempt either of the above unsuccessfully restore the configuration settings back to the factory defaults and then either restore the configuration settings from a USB flash dev...

Страница 181: ...oosting the Performance of NFS Transfers Cisco Small Business NSS3000 Series Network Storage System Administration Guide 107 A mnt client is the mount point on the client The size of the read and write buffers is 32 KB ...

Страница 182: ...3000 Device Dimensions 3 23 x 11 38 x 9 21 82 x 289 x 234 mm Unit Weight 7 28 lb 3 3 kg Power 60W 12V external AC power Certification FCC Class B Operating Temp 41 to 104 F 5 to 40 C Storage Temp 4 to 158 F 20 to 70 C Operating Humidity 10 to 90 Relative non condensing Storage Humidity 10 to 95 Relative non condensing ...

Страница 183: ... Small Business NSS3000 Series Network Storage System Administration Guide 109 Support Contacts Support contact information for this product is available on Cisco com at this location www cisco com go smallbiz ...

Страница 184: ...afety Information for this product is available on Cisco com at this location www cisco com go smallbiz Warranty Warranty information that applies to this product is available on Cisco com at this location www cisco com go smallbiz End User License Agreement EULA Licensing information that applies to this product is available on Cisco com at this location www cisco com go smallbiz ...

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