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D-Link DNS-6040 [152/185] Raid 0 striping
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DNS-6040M/DNS-6040 User’s Manual
142
RAID level Functionality
RAID 5 with
hot spare
RAID 5 with hot spare adds one spare disk to the RAID 5
array, allocating one for redundancy and the second one as a
spare. The actual available storage space in a system with n
disks is thus n-2 hard disks.
Each of the RAID configurations offers a different disk capacity
and level of safety. When making your choice, consider the
following:
The bigger the available space, the fewer safeguards the
system has.
In any RAID array, the logical capacity of the array is
determined by the disk with the smallest capacity. E.g., in a
RAID 5 configuration with one 20 GB and three 30 GB hard
disks, the total capacity available is equal to four 20 GB
hard disks. Therefore you should always choose to combine
hard disks of equal size in the same array.
RAID 0 (striping)
In a RAID 0 array, data is split and stored in different locations,
but without fault tolerance. The server treats the array as one big
disk, with a size of almost all individual disks combined. The
parallel access to multiple disks allows for faster read and write,
making the array faster than individual disks. Because of that,
this configuration is ideal for applications where large amounts
of streaming data have to be efficiently transferred while
assuring good quality, e.g. in a recording.
RAID 0 offers no mirroring or redundancy options. If one disk
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- Limited hardware warranty d link warrants that the hardware portion of the d link products described below hardware will be free from material defects in workmanship and materials from the date of original retail purchase of the hardware for the period set forth below applicable to the product type warranty period if the hardware is used and serviced in accordance with applicable documentation provided that a completed registration card is returned to an authorized d link service office within ninety 90 days after the date of original retail purchase of the hardware if a completed registration card is not received by an authorized d link service office within such ninety 90 period then the warranty period shall be ninety 90 days from the date of purchase product type warranty period 1
- Limited warranty 1
- Ninety 90 days 1
- One 1 year 1
- Power supplies and fans one 1 year 1
- Wichtige sicherheitshinweise 1 bitte lesen sie sich diese hinweise sorgfältig durch 2 heben sie diese anleitung für den spätern gebrauch auf 3 vor jedem reinigen ist das gerät vom stromnetz zu trennen vervenden sie keine flüssig oder aerosolreiniger am besten dient ein angefeuchtetes tuch zur reinigung 4 um eine beschädigung des gerätes zu vermeiden sollten sie nur zubehörteile verwenden die vom hersteller zugelassen sind 5 das gerät is vor feuchtigkeit zu schützen 6 bei der aufstellung des gerätes ist auf sichern stand zu achten ein kippen oder fallen könnte verletzungen hervorrufen verwenden sie nur sichere standorte und beachten sie die aufstellhinweise des herstellers 3
- Advertencia de marca de la ce 6
- Attention 6
- Attenzione 6
- Canada warning 6
- Ce mark warning 6
- Fcc warning 6
- Warnung 6
- Hard disk drive choose warning 7
- Chapter 1 nas filer for business 1 8
- Chapter 2 setting up the nas 7 8
- Chapter 3 quick configuration 12 8
- Chapter 4 using storage manager 20 8
- Table o f contents 8
- Chapter 5 nas filer backup backing up and restoring data on the server 96 9
- Chapter 6 nas data replicator automatic backup from windows clients to the nas server 105 9
- Chapter 7 troubleshooting 123 9
- Appendix 1 what is raid 141 10
- Appendix 2 windows access to the nas server 145 appendix 3 unix access to the nas server 146 appendix 4 apple access to the nas server150 appendix 5 novell access to the nas server152 appendix 6 email notification list 154 appendix 7 system default configuration 170 10
- Chapter 1 11
- Dns 6040m dns 6040 user s manual 11
- Nas filer for business 11
- Specifications 11
- With the rapid expansion of the net and ever increasing numbers of internet users requirements for storage space are also exploding the dns 6040 series offers a stable and efficient storage solution with an easy to use interface even non technical staff will have no trouble installing and configuring the server 11
- Dns 6040m dns 6040 user s manual 12
- D link nas filer for business resources 13
- After connecting the nas server to a power source and the lan power it up and use d link nas filer assistant to search for the nas server and configure its ip address 17
- Before you start 17
- Chapter 2 17
- Setting up the nas server 17
- When purchasing diskless model please install at least one hard disk before turning on the server 17
- If the search or configuration fails please verify the following details before trying again 21
- Chapter 3 22
- Quick configuration 22
- Enter the root password 23
- Server configuration 24
- After the quick configuration is complete d link nas will open the web based storage manager program where the system administrator can further edit the settings of the nas server 30
- Chapter 4 30
- Here you find information about your server 30
- Server information 30
- Using storage manager 30
- Server configuration 35
- Date setup 38
- Please note 38
- System administrator can change the time date and time system administrator can change the time date and time zone of the nas server please refer to server configuration basic server configuration enter the system date and time unit of chapter 3 for ways of setup 38
- Security setup 40
- Added certain windows pdc user account to local account or 2 there is an account in both nas server and windows pdc with the same name then the user account list on the left will not show the account number in nt domain users but only in local users to prevent system administrator from confusion caused repeated setup of access rights for the same user 47
- Deleting user privileges 47
- To delete user or group privileges use the mouse to select a user in the user privileges column use ctrl for multiple and shift for continuous selection then click remove 47
- Deleting nfs user privileges 50
- Modifying nfs user privileges 50
- To delete the user privileges of a nfs client select the desired item on nfs client s privilege column use ctrl for multiple and shift for continuous selection and click remove 50
- To modify existing privileges select the desired item on nfs client s privilege column remove it and add a new privilege 50
- Account setup 51
- The dns 6040 series supports up to 512 user accounts including accounts on the local machine windows pdc and nis server three types of users can access a nas server 51
- Default local accounts 53
- Input the same language as the storage manager interface to ensure correct coding thus when storage manager language is japanese account names can only be both japanese and english similarly if storage manager language is german then account names can only be german and english the same principle will be applied to other languages the password is case sensitive and can consist of 0 to 12 displayable characters including letters numbers and signs 53
- There are two preset accounts on the server root and guest 53
- If the network already contains a unix nis domain the system administrator can simply add the nas to the unix nis domain to retrieve access settings from the nis server once the system administrator adds the nas server to a unix nis domain see network setup unix nis a new tab entitled unix nis accounts will appear on this page containing all the users retrieved from the nis server these accounts will directly apply the default quota set up for a new user in the security option page the system administrator can also set hard disk quota individually for each nis domain account in the quota option page when adding new accounts on nfs clients some nfs clients automatically generate a corresponding group for each 58
- Unix nis accounts 58
- In the left pane you will find a list of existing groups use the mouse to select a group the group name and members will appear on the right side to rename a group click directly on the group name column and change it then click apply you can add or delete members on the group members page 61
- Modifying user groups 61
- Network setup 70
- After the server has successfully joined a windows domain a new tab will appear on the security setup account setup screen called nt domain accounts containing a copy of all user accounts for setup instructions see security setup account setup nt domain accounts when a client attempts to access the nas server the nas server will forward 72
- Applying windows pdc privilege settings 72
- Settings on the nas server 72
- Settings on windows 2000 pdc 72
- You must enter the windows domain and pdc hostname in the storage manager s network setup windows domain screen if there is also one or more than one separate bdc backup domain controller the dns 6040 series will make a record of this bdc to be the backup support for the windows pdc 72
- Please note when there is more than one network card in the nas server and the server is set up as having multiple subnets this system only supports apple client in s single subnet to read write from the server through appletalk or tcp ip protocol apple clients in other subnet s can only read write through tcp ip protocol due to this limitation this system can only support the zone in a single subnet 77
- The dns 6040 series preset a default of 3gb space in each hard disk as a raid 5 volume system administrator can add or delete volumes in the system according to his her own needs 79
- Volume management 79
- Toolkit 91
- Modifying snmp access privileges 94
- To modify existing privileges select an option under access privileges remove it and add a new privilege 94
- Note use the options on this page with great care all selected settings will be replaced by defaults or deleted 99
- Restore defaults 99
- The system administrator has the option to restore factory the system administrator has the option to restore factory defaults for all settings or remove all user settings in the system four options are available 99
- Once you have obtained the os upgrade follow these steps to once you have obtained the os upgrade follow these steps to update your system 101
- System update 101
- When upgrading the system note the following 101
- File browser 102
- This function allows users to have remote access to files in the server through the internet http protocol the user can login to storage manager enter the file browser section and browse all the folders and files in each shared folder the user has access rights please note to make sure files folders on the nas server can be displayed correctly on this page please upgrade the ie browser version to 5 or above 102
- Logout 103
- Chapter 5 106
- Nas filer backup backing up and restoring data on the server 106
- Backing up data 107
- Automatically divide the backup file into several 4gb size files and name the extension of each file in the order of bkp 01 02 etc please store these files in the same directory when restoring the data back onto the nas server in the future the administrator only needs to specify the bkp file and other related files will also be restored automatically without manually restoring every single file 110
- Restoring data back onto the server 110
- Administrator can also go to system log tab of storage manager and search for the error code in the log file below follows an explanation of the e mail error codes 113
- When the system fails to backup restore data on the nas server the system administrator will receive an e mail with an error code notifying the data backup restore failure the 113
- Backup is one method necessary to ensure data completeness but people are often too busy to neglect the importance of regular data backup in order to make users 115
- Before you begin 115
- Before you begin using d link nas data replicator network administrator must set up d link nas filer in the 115
- Chapter 6 115
- More efficient and back on a timely basis d link nas data replicator can fully automate the backup process it can 115
- Nas data replicator automatic backup from windows clients to the nas server 115
- Set up d link dns 6040 series 115
- Accessing data 119
- Backup windows client data to nas server first time use run complete backup 119
- D link nas data replicator basic requirements 119
- Please run data replicator exe program and install d link nas data replicator to your hard disk according to the instruction given on the screen 119
- Setup d link nas data replicator 119
- Start using d link nas data replicator 119
- When running d link nas data replicator the first time user must first backup all the files in this machine s file folders to nas server before modified new versions can be monitored 119
- The column at the top of the search page will list all shared folders a user have read write access to but due to security consideration we urge user to backup files to his her own home folder in nas server to prevent other users from unintentional deletion modification and use of these files 120
- Please note you can run other d link nas data replicator functions only after you have setup nas server and file folders of this machine 121
- Recover files from the server to windows client 126
- Add new tag after files upload 128
- Dns 6040m dns 6040 user s manual 128
- There are two ways a user can create a tag 128
- User can create new tag to uploaded files when uploading files in the backup tab please note when creating tag the most updated versions of files in backup directories in nas server will be saved the two examples will illustrate this point 128
- Cannot use internet explorer to connect to storage manager 133
- Chapter 7 133
- First time network setup with d link nas filer assistant fails 133
- Nas server installation problems 133
- Troubleshooting 133
- Boot failure 134
- Buttons missing on date time page in quick configuration 134
- Certain web trap modules of anti virus software cause a situation where certain buttons on the date time page of the quick configuration module cannot be displayed disable the web trap and try again or use a different terminal for the setup 134
- System problems 134
- There are two possibilities that could cause a system reboot failure 134
- Cannot find the nas server in network neighborhood 137
- Nas server 137
- Problems about windows clients access to the 137
- Cannot access the file s in a certain shared folder on the nas 138
- Server via windows clients 138
- Re login in a windows nt 2000 domain not possible 139
- Apart from setting individual network drives on the novell clients terminals on a one by one basis the system administrator may compose a system login script on the nas server to automatically map the nas server as a network drive for all novell clients please take the following steps 141
- Automatically map it as a network drive 141
- Compose a system login script on the nas server to 141
- Account 143
- Apple clients cannot access the nas server with the root 143
- Apple clients will not be able to save any single file larger than 143
- Cannot access files in a certain shared folder on the nas server 143
- For system administrator root to access the server from an apple client please create another admins group account on the server 143
- Gb onto the nas server this is due to the limitation of the 143
- System 143
- Via apple clients 143
- Check the messages in the log the following error messages refer to undelivered mail notifications 147
- This message indicates an unknown mail error note the error code and contact the system manufacturer s 147
- This message indicates that the dns server could not verify the smtp server name you provided this may be due to one of the following reasons 147
- This message indicates that the smtp server has timed out and not responded within 30 seconds verify that the smtp server is working properly 147
- This message indicates that the system could not connect to the smtp server this may be due to one of the following reasons 147
- Verify these options and try again 147
- General problems 149
- How to deal with lost passwords if a user has forgotten his her password he she can turn to the system administrator to reset the personal settings if the system 149
- If the nas server is integrated into the windows domain while backing up the windows domain information will be backed up simultaneity restoring the windows domain information can be done simultaneously with restoring data back on to nas server at a later date if the nas server has already been integrated into another windows domain while restoring the system cannot be re integrated into the original windows domain 149
- Windows domain does not exist while restoring probably due to the disconnection of the domain or the pdc being down the windows domain information cannot be restored properly 149
- Administrator forgets the password the server must be returned to the dealer all the data on the server will be lost 150
- Appendix 1 151
- Dns 6040m dns 6040 user s manual 151
- The acronym raid stands for redundant array of independent drives a method to combine a number of small inexpensive drives into an array which offers more functionality than a single large disk with comparable capacity while simultaneously taking advantage of the individual disks to increase the efficiency of the system in other words during the writing process data is split into segments and stored on multiple disks likewise during the reading process data is retrieved simultaneously from multiple disks in order to increase the access speed of the array raid can also be configured to use part of the disk capacity for mirroring or redundant data thus preserving the integrity of the system in case one of the disks in the array fails 151
- The dns 6040 series supports the levels raid 0 raid 1 raid 5 and raid 5 with hot spare described below 151
- What is raid 151
- Each of the raid configurations offers a different disk capacity and level of safety when making your choice consider the following 152
- In a raid 0 array data is split and stored in different locations but without fault tolerance the server treats the array as one big disk with a size of almost all individual disks combined the parallel access to multiple disks allows for faster read and write making the array faster than individual disks because of that this configuration is ideal for applications where large amounts of streaming data have to be efficiently transferred while assuring good quality e g in a recording raid 0 offers no mirroring or redundancy options if one disk 152
- Raid 0 striping 152
- Raid 1 mirroring 153
- Raid 5 153
- Raid 5 with hot spare 153
- The spare disk will automatically go online and rebuild damaged data in other words you are providing two disks for safety leaving you with n 2 disks storage capacity in an array of n disks 154
- Appendix 2 155
- Windows access to the nas server 155
- Appendix 3 156
- Unix access to the nas server 156
- Appendix 4 160
- Apple access to the nas server 160
- Appendix 5 162
- Novell access to the nas server 162
- Appendix 6 164
- Dns 6040m dns 6040 user s manual 164
- Email notification list 164
- Dns 6040m dns 6040 user s manual 165
- Dns 6040m dns 6040 user s manual 166
- Dns 6040m dns 6040 user s manual 167
- Dns 6040m dns 6040 user s manual 168
- Dns 6040m dns 6040 user s manual 169
- Dns 6040m dns 6040 user s manual 170
- Dns 6040m dns 6040 user s manual 171
- Dns 6040m dns 6040 user s manual 172
- Dns 6040m dns 6040 user s manual 173
- Dns 6040m dns 6040 user s manual 174
- Dns 6040m dns 6040 user s manual 175
- Dns 6040m dns 6040 user s manual 176
- Dns 6040m dns 6040 user s manual 177
- Dns 6040m dns 6040 user s manual 178
- Dns 6040m dns 6040 user s manual 179
- Appendix 7 180
- Dns 6040m dns 6040 user s manual 180
- System default configuration 180
- Dns 6040m dns 6040 user s manual 181
- Dns 6040m dns 6040 user s manual 182
- Dns 6040m dns 6040 user s manual 183
- Dns 6040m dns 6040 user s manual 184
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