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58

BakStor Installation and Administration Manual

6.4 iSCSI Configuration

6.4.1 Starting / Restarting the iSCSI Service

Choose Configuration ? iSCSI configuration ? Start/Restart iSCSI Service

The iSCSI service is the service running on the BakStor that is responsible for exporting the
defined slices. The service is automatically started when the BakStor starts, this menu options
allows the service to be manually started / restarted at a later point should this be needed.

6.4.2 Stopping the iSCSI Service

Choose Configuration ? iSCSI configuration ? Stop iSCSI Service

This option allows for a stop of the iSCSI service without shutting the BakStor down. iSCSI
service is stopped the slices can no longer be accessed from an iSCSI initiator, but the
webinterface is still accessable

6.4.3 Configuring iSCSI iSNS server

Choose Configuration ? iSCSI configuration ? Set iSCSI iSNS server

This options allows for the configuration of an iSNS nameserver. The IP address of the iSNS
server needs to be entered.

An iSNS server is an optional component for a larger iSCSI setup. It is an independent daemon
running on a server connected to the LAN. This daemon allows iSCSI targets and iSCSI
initiators to register with it and thus providing a single point to inquary for information
regarding iSCSI devices.

Using such a daemon simplyfies the configuration of iSCSI initiators in a setup with multiple
iSCSI targets since the iSCSI initiator only has to be configured to inquary the iSNS instead of
being configured with the IP address of every iSCSI target

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Содержание BAKSTOR

Страница 1: ...INSTALLATION AND ADMINISTRATION MANUAL TANDBERG DATA ASA P O Box 134 Kjelsås N 0411 OSLO NORWAY Phone 47 22 18 90 90 Telefax 47 22 18 95 50 Tandberg Data ASA Rev 03 September 2005 ...

Страница 2: ...ipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from th...

Страница 3: ...r 1000 1U Unit 13 2 2 1 Power 14 2 2 2 Ethernet 0 14 2 2 3 Ethernet 1 14 2 3 Connectors on the BakStor 2000 2U Unit 14 2 3 1 Power 14 2 3 2 Ethernet 0 15 2 3 3 Ethernet 5 15 2 3 4 Ethernet 1 4 15 2 4 Mounting the BakStor 15 2 5 External Tape Device 16 3 Configuration 19 3 1 Install Disk Drive 19 3 2 RAID Setup 19 3 3 Network Setup 19 3 4 Power 19 3 5 Connecting to the BakStor for the First Time 20...

Страница 4: ...BakStor Expansion Unit 45 5 1 6 Failover Ethernet for Expansion Unit 45 5 2 Using an External Tape Device 48 5 2 1 Connecting and Configuring a Stand Alone Tape Device48 5 2 2 Formats for moving data to a physical tape 48 5 2 3 Selecting encryption method for moving data to physical tape 49 5 2 4 Checking contents of a physical tape 50 5 2 5 Defining a backup policy 50 5 3 Scheduling a Backup 52 5...

Страница 5: ...Tandberg Data BakStor User manual 8 2 Importing a Slice to a Windows iSCSI Initiator 62 8 3 Using a Firewall 64 ...

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Страница 7: ...utomated Internal Intelligent Replication technology BakStor products have comprehensive management that incorporates today s industry demands such as RAID D2D Disk To Disk and Tape Backup Hot swapping of a failed drive followed with background rebuilding of data Spare drives can be dedicated which is ready to restore data from any failed drive in the system What s remarkable is all these failure ...

Страница 8: ... type of power source Plug the power cords into a properly grounded electrical outlet to prevent electric shock Do not use adapter plugs or disconnect ground prong If you use an extension cord with this enclosure use a 3 wire extension cord and ensure that the extension cord s ampere rating is sufficient to handle the load of all of the equipment plugged into it In the event of a disk drive failur...

Страница 9: ... 7 Maintenance Turn off the enclosure and unplug it from the electrical source before cleaning Never apply liquid or aerosol cleaners directly to the enclosure If the enclosure gets wet unplug all system power cables and contact technical support for assistance ...

Страница 10: ... 483mm x 508mm x 45 mm 19 x 20 x 1 75 Weight 19 3kg 42 7 lbs Bakstor 2000 Series Width x Depth x Height 483mm x 508mm x 89 mm 19 x 20 x 3 5 Weight 22 7kg 50 6 lbs 1 2 3 Agency Certifications TüV UL cUL CE C tick VCCI FCC Class B 1 2 4 Environmental Operating temperature 10 degC to 29 degC 50 degF to 84 degF Humidity 15 to 80 RH non condensing Operating altitude 0m to 2438m 0 ft to 8000ft 1 2 5 Aco...

Страница 11: ...Fault Tolerance 1 6 1 Disk Drive The BakStor has comprehensive drive failure management that allows automatic RAID rebuilding RAID levels 1 and 5 only using an allocated hot spare drive in the case of a disk drive failure The RAID automatically disconnects the failed drive and rebuilds data onto the hot spare drive which in turn replaces the defective drive after the rebuild process A failed disk ...

Страница 12: ... Load balancing Intel link aggregation Remote upgrade functionality 1 8 Notes on this manual This manual contains screenshots and instructions on how to use various menu items Your BakStor may have an interface that is slightly different that the screenshots shown in this manual and the structure of the menu system as well as some of the menu items might be slightly different However the functiona...

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Страница 15: ...hr zum System vollständig unterbrochen ist Um Verletzungen oder eine Beschädigung des Geräts zu vermeiden beachten Sie die vor Ort geltenden Arbeitsschutz und Sicherheitsrichtlinien für den manuellen Umgang mit schweren Gegenständen 2 2 Connectors on the BakStor 1000 1U Unit The BakStor is capable of being rack mounted or deployed as a desktop product In the case of rack mounting rack mount bracke...

Страница 16: ... position G Figure 2 1 A second Ethernet connection is not required unless Fault Tolerance and Load Balancing is needed The second Ethernet connection is not required for the initial setup 2 3 Connectors on the BakStor 2000 2U Unit Figure 2 2 Connectors on the BakStor 2000 Function Connector Function Connector Power J1 and J2 External tape device 1 K1 Ethernet 0 F External tape device 2 K2 Etherne...

Страница 17: ...thernet connections labeled M N O and P Figure 2 7 are to be used for connecting BakStor 2000EX expansion units Do not connect these four Ethernet connections to a LAN 2 4 Mounting the BakStor When mounting the BakStor ensure that the unit is oriented correctly When viewing a BakStor unit from the front correct orientation is ensured when The blue LED on each disk caddie is located on the RIGHT si...

Страница 18: ...osition K1 or K2 on the BakStor 2000 Figure 2 8 Note Ensure that when connecting external SCSI devices that all power from both the BakStor and external tape device or tape library is switched off Note Ensure that external SCSI devices are connected with proper SCSI cables and proper SCSI termination Note The BakStor use SCSI ID number 7 Ensure that a correct and unique SCSI ID is selected on any ...

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Страница 21: ...U products come with one or multiple RAID 5 preinstalled 3 3 Network Setup The BakStor 1U and 2U products come with the Ethernet 0 connector F preconfigured with an IP address of 192 168 0 6 Please ensure that this setting will not generate a network conflict on the existing LAN and that computers on the LAN are capable of communicating with the BakStor at this address Failing to ensure this can l...

Страница 22: ...e defaults username and password are Username admin Password pass After the username and password have been verified the BakStor Welcome screen will appear In order to prevent unauthorized access to the BakStor the default password should be changed Figure 3 2 BakStor Welcome Screen Note The BakStor web interface makes use of inline frames If you observe problems with displaying the inline frames ...

Страница 23: ...be configured to ensure data integrity in the case of disk failure The BakStor has been shipped with a default RAID configuration Keeping this default RAID requires no action Advanced RAID configuration is described in Chapter 4 In order to view the current RAID set configuration choose RAID Menu View RAID info In order to view the current disk drive configuration choose RAID Menu View drive info ...

Страница 24: ...e most appropriate for your applications 3 10 Creating Slices When creating a slice simply define the name capacity and whether the slice should be optimized for Windows or Linux UNIX operating systems In order to create a slice choose Storage menu Create a storage slice Create a disk slice The following information needs to be entered Slice name The name for the slice Slice size The size of the s...

Страница 25: ...d the virtual slice can grow until the RAID set underneath is full Click the ACCEPT button to create the virtual tape slice The screen will refresh and the virtual tape created will appear on the right side of the screen Figure 3 5 Entering details for a tape slice Note Tape Slice is allocated in 10GB blocks so the size entered will be rounded up to the nearest 10GB Entering 27000MB for example wo...

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Страница 27: ...ing A RAID 0 allows multiple disks to be combined to create one large volume Performance is greatly improved since all the disks are accessed in parallel and is considered to be the fastest way to access multiple disks drives A RAID 0 offers no protection against disk failure If a single disk in the RAID 0 set should fail the entire RAID set will fail If your environment depends on quick data acce...

Страница 28: ...f two single 250GB drives 2x 250GB 1 x 250GB for mirror 250GB usable RAID 1 hot spare disk mirroring with dedicated replacement drive RAID 1 hot spare has the same instances as RAID 1 except it has a dedicated hot spare drive that is not part of the Logical drive but stands by in case of a drive failure In the case of a drive failure in one of the two RAID 1 drives the BakStor will immediately sta...

Страница 29: ...imit Note that the current version of the BakStor is not able to create a RAID larger than 2TB Depending on the capacity of the disks in the BakStor this may mean that not all the disks can be configured into a single RAID For instance with a disks size of 400GB only 6 disks can be configured in single RAID 5 set In order to utilize all disks in a BakStor 2000 several RAID sets are needed 4 1 4 Sh...

Страница 30: ... disk drive locations on the 1U and 2U are as shown Figure 4 1 1U Drive Positions Figure 4 2 2U Drive Positions In order to create a RAID set choose RAID Menu Create a RAID The following information is needed Desired RAID level Disk drives to be included in the RAID Click the ACCEPT button to start the process of creating the RAID Drive Slot 0 Drive Slot 1 Drive Slot 2 Drive Slot 3 Drive Slot 4 Dr...

Страница 31: ... Creating a RAID In order to check the status of the RAID creation choose RAID Menu View RAID info Note the screen has to be manually refreshed to update status When the RAID has finished building the status will be shown as online Figure 4 4 Status of a RAID during building ...

Страница 32: ...ck the ACCEPT button At this point the RAID is available for new slices See Section 3 10 for details on configuring slices 4 3 RAID Failure In the case of a disk drive failure the RAID info screen will display information regarding the failure Choose RAID Menu View RAID info Figure 4 5 Status showing a degraded RAID Information on the exact disk drive that has failed can be found in the drive info...

Страница 33: ... the BakStor to expect a faulty disk drive to be removed choose RAID menu Repair a RAID Remove faulty drive All currently failed disk drives will appear in the Select slot pull down menu Choose the disk drive to be removed and click the ACCEPT button Figure 4 7 Selecting a faulty disk drive to be removed Once accepted it is safe to physically remove the faulty drive Take great care to ensure that ...

Страница 34: ... the replacement disk drive After installing the replacement disk drive the BakStor must be configured to make use of the new disk drive Choose RAID Menu Repair a RAID Scan for drives Figure 4 8 Replacement disk drive detected The replacement disk drive can then be configured into the RAID For a BakStor 1000 choose RAID Menu Repair a RAID Add spare drive to RAID For a BakStor 2000 choose RAID Menu...

Страница 35: ...ID Notice that only disk drives currently not assigned to any RAID will appear in the Select drive slot pull down menu Once the new disk drive has been successfully added to RAID the rebuild process will start automatically The progress of the rebuild process can be monitored in the view RAID Info and view drive info screens ...

Страница 36: ...ost Then delete any disk slice or virtual tape slice located on the RAID set Choose Storage Menu Delete a storage slice and choose the slice s to delete The name of the slice must be entered twice to confirm Click the ACCEPT button to delete the slice To delete a RAID choose RAID Menu Delete a RAID Choose the correct RAID set to delete and choose Yes for Are you sure Then click the ACCEPT button t...

Страница 37: ...ce between the original slice and the snapshot increases the amount of space used for the snapshot will increase If the BakStor runs of space to accommodate the growth of a snapshot the snapshot will become unavailable The BakStor will intelligently allocate space for the snapshot on the RAID sets most suitable The BakStor has two methods for Snapshots Scheduled and Instant 4 4 1 Creating Instant ...

Страница 38: ...amount of disk space the snapshots starts with The size is specified as a percentage of the slice to take snapshot of If taking a snapshot of a disk slice of size 500GB and 10 is specified 50GB will initially be reserved for the snapshot Snapshot name If the snapshot name is not defined the slice name date and time will be used as the name of the snapshot The hour the snapshot will be taken The da...

Страница 39: ...rg Data BakStor Installation and Administration Manual 37 Figure 4 12 Configuring a scheduled snapshot If the snapshot name is not defined the slice name date and time will be used as the name of the snapshot ...

Страница 40: ...size of the slice to be taken snapshots of Number of rotations Number of snapshots to be taken Start at time The hour when the first snapshot in the schedule will be taken Interval hours minutes Time between the snapshots in the schedule Skip between repetitions Time between repetitions of the schedule Repeat Specify if the AiiR process repeat itself once completed Click the ACCEPT button Figure 4...

Страница 41: ...ich the AiiR process has been defined Click the ACCEPT button Note While an AiiR daemon is running the BakStor will monitor for free disk space available for the daemon If more than 75 of the space allocated for the AiiR snapshots is used the BakStor will automatically attempt to increase the snapshot space by 1GB If there is not enough free disk space to increase the snapshot space the AiiR daemo...

Страница 42: ...tiators that do not have the username and password from connecting to the BakStor In order to set secure authentication for the BakStor unit choose Storage menu Access control Set AC for BakStor The following information is required Username Using the name of the computer intended as the iSCSI initiator will help in the administration of the iSCSI network Password Click the ACCEPT button to activa...

Страница 43: ...the BakStor In order to set secure authentication for an individual slice choose Storage Menu Access control Set AC for a defined slice The following information is required Slice name User name Using the name of the computer intended as the iSCSI initiator will help in the administration of the iSCSI network Password Figure 4 15 Configuring username and password for iSCSI login to an individual s...

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Страница 45: ...aring the BakStor Master Unit Before connecting the BakStor Expansion Unit the current BakStor 2000 must be configured to act as a BakStor Master Unit Make sure that the firmware version running on the BakStor 2000 is capable of acting as a BakStor Master Unit Choose Maintenance Show license info The firmware version should end in _master in order to be an BakStor Master Unit Also verify that the ...

Страница 46: ...e the BakStor Expansion Units are discovered they can be configured with RAID sets Choose BakStor EX Config View BakStor EX Then select the BakStor Expansion Unit to configure and click on the link in order to connect to the specified BakStor Expansion Unit Once the web interface of the BakStor Expansion Unit has loaded choose RAID Menu View RAID info This will show any RAID that already may exist...

Страница 47: ...en power down the BakStor Master Unit It is strongly recommended to use the power down option in the menu system to shut the units down If it is required to permanently remove a BakStor Expansion Unit all slices located on the BakStor Expansion Unit must be deleted All data located on these slices will be lost Choose Storage Menu View slice location to observe what slices are located on the BakSto...

Страница 48: ... crossover cable is connected to this port And not the other port in the team If the current crossover cable is connected to the Secondary port move the cable to it is connected to the Primary port 6 Choose BakStor EX Discover BakStor EX s The BakStor Expansion Unit should be listed If not listed rerun the discovery 7 Choose BakStor EX Config View BakStor EX Click on the link provided and connect ...

Страница 49: ...ion and Administration Manual 47 Should one of the Ethernet cables be disconnected the other cable will be used for communication between the two units The failover will be transparent to any iSCSI initiators connected to the BakStor ...

Страница 50: ... map of the library will be displayed as well If the tape device is not recognized select yes and click the accept button to force the BakStor to rescan the SCSI bus If the tape device is still not recognized power down the BakStor and check the SCSI cables and the SCSI termination on the SCSI bus 5 2 2 Formats for moving data to a physical tape The BakStor can be used to move both diskslices and ...

Страница 51: ...n any computer that is fitted with a physical tape drive capable of reading from the physical tape and backup software capable of reading the format used by the original backup software Note that a physical tape created in application mode cannot be restored back to a BakStor unit The physical tape can only be restored on a computer with the correct backup software and a correct physical tape driv...

Страница 52: ...llows a specific device to be used for the backup job Library slot In the case of a tape library this allows a specific slot in the library to be used The BakStor will communicate with the library to ensure that the tape from the correct slot is loaded for the job Click the ACCEPT button to activate the BP Note There are some restrictions on backing up to physical tape 1 Only one slice can be back...

Страница 53: ...nce the backup policy has been defined it can be run immediately or scheduled to run at a later time To run the backup immediately choose Backup Menu Run a defined backup now Then choose the name of the slice to be backed up Click the ACCEPT button to start the backup Figure 5 2 Starting a defined backup ...

Страница 54: ...t backup jobs there are several options for the repeat interval Hourly The job is run once every hour at the minutes past full hour specified Daily The job is run every day at the hour and minutes specified Weekly The job is run every seventh day starting at the date and time specified Monthly The job is run once a month at the date and time specified Click the ACCEPT button to activate the change...

Страница 55: ...ta to a slice from a physical tape select the slice to restore to Choose Backup Menu Restore Menu Restore by slice name This will replace the data on the slice with the data on the physical tape If a contents check is needed for the physical tape choose Backup Menu Restore Menu Check tape contents This will list the name of the slice contained on the tape Do not use the restore this slice link as ...

Страница 56: ...is slice will be available This restore process will generate a slice with the name of the slice on tape and restore the data to this slice Note There are some restrictions on restoring data from a physical tape 1 When restoring a slice from a physical tape the original slice or a slice with the same name must not be present The presence of a slice with the same name as the slice on the tape will ...

Страница 57: ... BakStor name The iSCSI Target name used to identify this BakStor In a setup with multiple BakStor units it is recommended that each unit be given a unique name MODE Normal In this mode both network adapters can have different network addresses and so can operate on different networks AFT Adapter fault Tolerance Only one network adapter is active at a time If the Primary connection fails the secon...

Страница 58: ...dministration Manual 6 2 IP Configuration Choose Configuration Network configuration IP configuration This allows the IP address of the different network connections on the BakStor to be configured Figure 6 1 Configuring IP address and settings ...

Страница 59: ... Time Choose Configuration Set Date Time The BakStor products use an internal clock that display time in UTC Universal Time Coordinates When setting the clock ensure that correct time is entered in UTC 6 3 3 Setting an Email Address for Notifications The BakStor can be configured to send emails for system events Choose Configuration Set Email notification The following information is needed Email ...

Страница 60: ... is stopped the slices can no longer be accessed from an iSCSI initiator but the webinterface is still accessable 6 4 3 Configuring iSCSI iSNS server Choose Configuration iSCSI configuration Set iSCSI iSNS server This options allows for the configuration of an iSNS nameserver The IP address of the iSNS server needs to be entered An iSNS server is an optional component for a larger iSCSI setup It i...

Страница 61: ...nce Show license info Choose Browse and locate the file containing the firmware Then choose Send File to transfer the file to the BakStor Figure 7 1 Sending an upgrade file to the BakStor Browse allows searching of local system for updated firmware file Note During the upgrade the webpage should not be refreshed When the file is completely transferred a new page will appear with instructions to go...

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Страница 63: ...iator version 1 06 This iSCSI initiator can freely be downloaded from the Microsoft homepage After downloading the appropriate version of software from the Microsoft website installation is completed when the iSCSI initiator process is started in the services setup This can be done automatically or manually depending on your preferred start up process Please consult your system administrator for f...

Страница 64: ...ion Manual 8 2 Importing a Slice to a Windows iSCSI Initiator 1 Start the iSCSI initiator program 2 Select the target portal tab and add the IP address of the BakStor 3 Select the available targets tab and choose the desired target 4 Log On to the target ...

Страница 65: ...k management tools to create partitions and filesystems on the disk If the slice is a tapeslice Virtual Tape it will show up as a SCSI LTO tape device Windows may prompt for the installation of the appropriate tape device drivers Once the appropriate device driver is installed the virtual tape device is ready for use Please consult your administrator for device driver information if needed ...

Страница 66: ...hat the iSCSI traffic can be routed through the firewall If firewall software is in use on the iSCSI initiator this may require configuration in order to allow iSCSI traffic By default TCP port 3260 is reserved for iSCSI traffic The BakStor does not allow for changing the default port If Internet Storage Name Service iSNS is in use TCP port 3502 is the default port for this traffic ...

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