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After snapshot for iSCSI target has been created and activated, you can access it by 
following: 
Go to menu CONFIGURATION 

 iSCSI target manager 

 Targets 

 

[target_name], 
Use function Target volume manger, click on button "add" on the right side of 
snapshot you want to have access to. New LUN will be added to the target, 
Now you can connect with your iSCSI initiator and use your snapshot target, 
Example (Microsoft Windows environment). Please download Microsoft iSCSI 
Initiator and follow instructions, 
Start the software and add targets, 
Menu Target Portals - enter IP Address of your server and Socket (default 3260), 
In menu Available targets please “Log On” into already added target, 
Now your snapshot target will show up in your system and you can use it. 

 

5.2.2  Volume replication 

 

Function: Volume replication mode 

 

Here  you  can  set  replication  mode  for  every  logical  volume  (with  replication 
functionality).  Volumes  can  be  in  sources  (S)  or  destination  (D)  replication  mode. 
You can also clear the metadata (CM) of a volume. Metadata describes the data of 
the replication.  
 
Clearing of metadata is required when you want to start the replication process from 
the  beginning.  Another  situation  is  when  the  data  on  the  source  volume  is 
inconsistent and you want to restore it from a destination volume. In such a case you 
need  to  change  replication  mode  from  the  destination  volume  to  source  mode  and 
the previous source to destination mode. Before starting a replication for new source 
and destination please clear the metadata from previous destination volume. When 
replication  is  complete  the  data  on  previous  source  volume  will  be  consistent.  If 
volume is set to destination replication mode then it will not be visible on the iSCSI 
initiator. 

 

Содержание EzSAN XL Series

Страница 1: ...Celeros EzSAN XL Series Manual Ver 1 15 February 05 2007 ...

Страница 2: ... Windows 2000 XP 2003 13 4 Manage XL Series using console functions 15 5 Manage XL Series using browser functions 16 5 1 SETUP 16 5 1 1 Network 16 5 1 2 Administrator 21 5 1 3 S W RAID 26 5 1 4 Fiber Channel 30 5 1 5 iSCSI Initiator 31 5 1 6 Hardware 32 5 1 7 GUI 35 5 2 Volume manager 36 5 2 1 Volume Groups 36 5 2 2 Volume replication 40 5 2 3 ISCSI target manager 42 5 2 3 1 Targets 42 5 2 3 2 Cha...

Страница 3: ...eleros XD Series Celeros XF Series Celeros XL Series Celeros XN Series Celeros XR Series and Celeros XW Series logos are all registered trademarks of Celeros Corporation Windows Microsoft Apple Pentium and Intel are registered trademarks All other trademarks herein are property of their respective owners Disclaimer Celeros Corporation assumes no responsibility for errors or omissions in this docum...

Страница 4: ...nual will assist you as you install and configure your storage appliance In order to quickly reach the desired configuration please read the following pages thoroughly The time invested is well spent after all you have purchased this solution for your invaluable data 1 1 Supported clients Microsoft Windows all versions Linux Unix Mac OS X ...

Страница 5: ...m To learn more about the history and benefits of iSCSI see Celeros iSCSI White Paper at http www celeros com pdf iscsi_whitepaper pdf 2 2 Why XL Series XL Series is ideal for demanding IT environments that require a combination of high performance high end features and low cost While it is as simple to configure XL Series as other series has the addition of Multiple Snapshots Online Volume Expans...

Страница 6: ...are correct In essence you combine the capacity speed and security of several disks into one RAID 0 forms one large hard disk by concatenating stripes from each member drive Stripe size is configurable roughly between 64 KB and 1 MB The result is a lightning fast RAID but with no added security One failing drive may ruin the entire RAID RAID 1 mirrors hard drives By writing identical data onto mor...

Страница 7: ...rt your system After booting is complete Celeros XL Series will provide you with information on the current software version and the network settings and it should appear as follows Welcome to Celeros XL Series Press F1 for Help Model Celeros XL Series Version 2 00 IE20000000 2438 Release date 2006 12 11 S N 87654321 Network settings Interface 1 eth0 IP 192 168 0 220 255 255 255 0 Interface 2 eth1...

Страница 8: ...r C A H to display hardware and drivers info F2 to display all network interface F5 to refresh console info C A S to shutdown the system 100 100 100 100 EXIT After a connection has been established all settings can also be changed remotely via the web browser If your network requires it the address of the standard gateway and the broadcast address can be changed For additional information please s...

Страница 9: ...ware RAID controllers please create RAID sets in RAID controller setup Please refer to the RAID controller manual To use software RAID with single drives or in conjunction with hardware RAID please go to menu SETUP SW RAID first Here all available units are listed A unit can be a single hard disk or a RAID set if using a hardware RAID controller Software RAID can be created over a single hard disk...

Страница 10: ...utton the status will change to in use with additional information describing the kind of a disk array e g MD0 is RAID 0 3 5 Adding Disk Array In the menu please select the CONFIGURATION volume manager and Unit manager function ...

Страница 11: ... it After creating the page is reloaded and the Status field should show your drives arrays as in use It is possible to combine two or more units into one Volume Group ext by clicking on the right hand side of the tree diagram on volume group name e g vg00 and use function Volume Manager you can create new iSCSI volume If you want to use snapshot feature you should create snapshot volume ...

Страница 12: ...ed to reserve disk space for swap snapshots system and replications 3 6 Creating XL Series iSCSI target volumes This only possible after creating iSCSI volume in previous reference please choose CONFIGURATION iSCSI target manager in Create new target Function click apply button to create a new iSCSI target Next in the diagram Targets click on the previously created target name e g target0 and in T...

Страница 13: ... If it is not provided with the current user operating system on Microsoft Windows 2000 XP 2003 systems you can simply download them from the web or you can follow this link to our website for download http www celeros com support downloads html A correct software configuration depends on the installation of individual target volumes by adding another disk letter in the system in Windows XP and 20...

Страница 14: ... settings control panel administrative tools computer management disk management Now all available iSCSI TARGET drives will be displayed In order to use them you have to format them and mount to the system as a next disk letter Microsoft iSCSI Initiator ver 2 02 does not support dynamic disk Target password must consist of minimum 12 and maximum 16 alphanumeric characters Please read Manual and Re...

Страница 15: ...d the subnet settings 255 255 255 0 In this process the DHCP server support is turned on CTRL ALT t By pressing a combination of left CTRL key left ALT key and t you can run Console Tools The menu will appear with choice of following functions Ping DHCP Ping Hardware info Memory info Time configuration and DNS configuration CTRL ALT x By pressing the left CTRL key left ALT key and x it will displa...

Страница 16: ...e memory itself and its settings RESCUE_MODE in this option only drivers which enable access to the net are loaded if there is a need to connect using remote support 5 Manage XL Series using browser functions On the following pages we will thoroughly describe every function of Celeros XL Series The functions are divided by menu options which are located at the top part of the screen 5 1 SETUP In t...

Страница 17: ...you to enter DNS addresses Please use semicolons to separate addresses Function Create new bond interface Bonding allows for load balancing or fail over for the incoming and outgoing connections Here you can create or edit bonding network interface ...

Страница 18: ...in bonding state or single Bonding modes balance rr transmissions are received and sent out sequentially on each bonded slave interface This mode provides fault tolerance and load balancing active backup Only one slave in the bond is active Another bonded slave interface is only used if the active bonded slave interface fails This mode provides fault tolerance balance xor Transmit based on source ...

Страница 19: ...yption for the connections It makes it nearly impossible to eavesdrop or forge the transmitted data You can set IP address optionally with a mask of the clients that will be allowed to connect to the iSCSI target You must also must set the Password The Password cannot contain spaces be empty contain Encrypted data transmission imposes considerable overhead and depending on the amount data transmit...

Страница 20: ...during activation you will lose your connection to the server and you will have to log in again In the URL entry line of your browser please enter the new IP address If you do not get access please try the console to set new IP address In order to access servers in another subnet you need to enter the address of a router as Gateway In case you use NTP server to maintain proper time date please mak...

Страница 21: ... are described by following fields Primary A string eth0 eth2 etc specifying which slave is the primary device The specified device will always be the active slave while it is available Only when the primary is off line will alternate devices be used This is useful when one slave is preferred over another e g when one slave has higher throughput than another The primary option is only valid for ac...

Страница 22: ... and include only 1 4 digits Unlock console Unrestricted access to the console Please exercise caution with this function if all computers in the network receive IP addresses via DHCP current IP can be replaced by a new one after the lease ends Please pay attention using Lock console feature you will not be able to reset default administrator access from the console in case of any mistake while se...

Страница 23: ...Lock keys Function E mail notification The server can send an e mail notification to the administrator in case of significant events critical errors warnings etc To enable this feature check Send errors E mail E mail from which notifications will be sent Account name Account name for e mail from which notifications will be sent Password Password for account name provided above SMTP server SMTP ser...

Страница 24: ... Function SNMP settings This function enables you to change the access over the SNMP protocol in version 2 or 3 With SNMP you can get a lot of information usage of CPU system load memory info Ethernet traffic running processes System location and system contact are only for your information for example when you connect from SNMP client you will see your location and name SNMP in version 3 has encr...

Страница 25: ... option 2 is a version of ssh protocol used for connection option p is a port for Remote Access option l is a user In our product the user must be cli option address_ip is a address of server you want to connect to You will be ask for a password you entered on server for Remote Access To connect to server from Microsoft Windows download free ssh client Putty www putty nl Please follow step by step...

Страница 26: ...tivity or Cookies are disabled when 5 sec before log in Default Login Administrator Password 3ware Function 3ware administrations This function will restore 3ware RAID Administrator password to the default 3ware 5 1 3 S W RAID Function Create new S W RAID unit In this function you can create software RAIDs from free unused units If you want to create RAIDs from used units you need first to delete ...

Страница 27: ... sum of each drive size in array RAID 1 mirror array requires 2 units Destination size will be equal SINGLE UNIT_SIZE where SINGLE UNIT_SIZE is the size of the smallest unit in array RAID 5 stripe parity algorithm array required minimum 3 units with the same capacity You can choose from the List Boxes layout parity algorithm left right symmetric asymmetric DESTINATION SIZE NR_OF_UNITS 1 SINGLE UNI...

Страница 28: ...s process all actions done on this array will be performed a bit slower If Units are connected through Fiber Channel with only one Storage unit or if the LUNS under iSCSI come from the same target then its not recommended to create s w raids on these Units because this would slow down the system If Units come from two different Storages or LUNS come from two different targets then you can create s...

Страница 29: ...cause your server to slow down Function Manager In this function you can manage the RAID array Available operations RAID 0 Construction of this RAID does not allow to manage it anyway Every unit must not be failed If any would be the whole array would be destroyed RAID 1 To set unit as a Faulty one mark proper checkbox in the column F and click on Apply button To delete any unit from an array mark...

Страница 30: ... 5 there is possibility to set just one disk from active as faulty This regulation is not valid for Spare units in array Only one disk from an Array can be set as Faulty or Removed Function Info From this function you can obtain information like Creation Time RAID Level Array and Device Size Update Time and state During syncing or rebuilding of an array it is recommended to perform as few disk ope...

Страница 31: ...tion you can connect to remote iSCSI server and add it as New Portal Server It will be visible in iSCSI Initiator on the left You can use the following options Portal IP Please enter IP address of iSCSI server Portal Port Enter Port on which iSCSI server runs default 3260 CHAP enable If you want to enable CHAP user authentication please check box CHAP enable and enter CHAP user name and it s secre...

Страница 32: ... it Function Remove portal Here you can remove a selected Portal Server You can only remove Portal Server if all its targets are disconnected from it In order to disconnect a target from Portal Server please select it from the iSCSI initiator configuration utility and click on disconnect button Function Target manager Here you can view connected targets name and there respective sizes You can also...

Страница 33: ... systems in the network Master Means that the server is connected to the UPS and sends a signal through the network to shutdown other systems in the network Slave Means that the server is reacting on a power down signal from an UPS master When using SMART UPS with APC mode there are additional options Timeout Battery Limit This option enables sub staining the system as long as battery holds the sy...

Страница 34: ...function of the server You must set gateway and in case of host name DNS network settings Function Set time With this function you can set time and date Manual Just type in time date using following format hh mm ss yyyy mm dd Use this PC time It will pick up the time date of the PC you run the web browser NTP server It will pick up the time date from NTP server In this case please make sure you ha...

Страница 35: ...us indicators of reliability in the hope of anticipating failures In order to enable S M A R T e mail notification you have to First enable E mail notification function in setup administrator menu Enable S M A R T in Hardware configuration tool on console press F1 on console to find out keyboard shortcuts When S M A R T is enabled you will see all detected hard drives with information about unit n...

Страница 36: ...lume group new dynamic volume or expanding existing volume groups It is possible to combine two or more units into one Volume Group While creating the new volume group the system adds selected units only You can use default volume group name or change it If you want to expand existing volume group select action add to with desired volume group name By selecting new dynamic volume After creating th...

Страница 37: ...find disks in the cage of your iSCSI server If you connect hard drives to hardware RAID controller then you may not be able to determine which unit is which when using S M A R T tool or hardware RAID management tool depends on manufacturer of RAID controller When you click on the start button then the appropriate disk will start reading and you can determine which disk it is by watching disk activ...

Страница 38: ...Additionally there is 1 GB space reserved for system internal use Function Snapshot definition You can set Logical Volume to which the snapshot will be assigned Name Name of snapshot LV Select Logical volume to which snapshot will be assigned If Logical volume has no snapshot assigned yet then in LV field will be unassigned Status Status of snapshot can be one of the following Active Snapshot is i...

Страница 39: ... volume The old dataset which has been frozen with the snapshot will not be available any more When you define the schedule please only use snapshots as needed because a large count of active snapshots can slow down the system considerably Manual creation and removing of snapshots can be done in the CONFIGURATION volume manager vg nr Function Volume Manager How to access NAS snapshot After snapsho...

Страница 40: ...eplication Function Volume replication mode Here you can set replication mode for every logical volume with replication functionality Volumes can be in sources S or destination D replication mode You can also clear the metadata CM of a volume Metadata describes the data of the replication Clearing of metadata is required when you want to start the replication process from the beginning Another sit...

Страница 41: ...e volumes need to be the same size in order to successfully make replications of a volume Replication can be made only between two mirror replication servers Here you only create replication tasks Replication tasks can be enabled under function Replication task manager Please enter the task name select source volume and the destination volume Click Create button in order to create a replication ta...

Страница 42: ...eate a target assign a name or leave the Target Default Name option checked Name Target name can contain alphanumeric characters A target name is considered case insensitive Every character entered will be converted to lower case No spaces and no underscores are permitted Alias Alias is a name under which target will be visible in Targets tree The same naming rules apply for alias as for the name ...

Страница 43: ...are granted to access to this target You can use following keyboard keys in the lists first set focus to desired list Home jump to the first End jump to the last Shift arrow key for multi select letter key jump to the first position starting with pressed key ...

Страница 44: ... RO option means Read Only if it is turned on the LUN will be visible as a write protected disk To switch the RO option when it s disabled you must first remove the volume from the target and then add it again setting the flag as desired Function CHAP user target access Add CHAP users that are granted to access to the Target Server If you enable CHAP user access authentication but don t select any...

Страница 45: ...reset and resetting the connections manually Keep in mind that all the unsaved client data might be lost There is possibility of entering network class address in two ways 192 168 2 0 255 255 255 0 normal form 192 168 2 0 24 short form When you enter network class address in normal form it will be automatically converted to short form Examples Denied access 0 0 0 0 0 Allowed access 192 168 2 30 0 ...

Страница 46: ...nter name password retype password and press create button CHAP user name cannot Contain characters Begin or end with a space Password cannot contain characters spaces The length of the password must be within 12 16 characters If CHAP users forget their password there is no way to retrieve it You can only set a new password Function Edit CHAP user To change CHAP user passwords you must enter and c...

Страница 47: ...hutdown Function System shutdown When using this function you can shut down the Celeros XL Series If any of your users are currently connected you will be asked to confirm the shutdown If no users are connected the process will be executed immediately without any delay The Celeros XL Series can only be turned on again manually Function Schedule for shutdown This control allows you to specify a tim...

Страница 48: ...48 Function System restart This function allows you to restart your system Function Schedule for restart This control allows you to specify a time for a scheduled system 5 3 2 Connections ...

Страница 49: ...SI initiators will be terminated immediately It may cause loss of unsaved data files If your client does not reestablish the connections automatically you will have to do it manually from the clients 5 3 3 Snapshot Function Snapshot tasks This function enables you to manually activate start or deactivate stop snapshots Activation of a snapshot is only possible for unscheduled snapshots with inacti...

Страница 50: ... which snapshot will be created Function Schedules for snapshot task Here you can see all schedules created for a snapshot task 5 3 4 Miscellaneous Function Save settings With this function you can store the configuration settings You can save setting for Server setup Network settings Administrator setup Hardware setup Target settings Users Select settings you want to stored and click Apply Settin...

Страница 51: ...ee a configuration file name date of creation and actions that can be applied By clicking Details action button you can select witch settings to restore To restore settings click on the Restore action button You can restore following settings Server setup Network settings Administrator setup Hardware setup Target settings Users You can delete the configuration settings file by clicking on the Dele...

Страница 52: ...to setup correct DNS and Gateway address in SETUP network menu Function System software update This function allows you to update the system software When you upload update file you will see its name and size With each update file you should perform the following actions See release notes Start update Update button Delete update file Delete button Some updates need a system restart In this case yo...

Страница 53: ...S M A R T 5 4 1 Network Function Interfaces Here you can view network interfaces info In the table you can see network interface name and IP address DHCP information cable status Function DNS info Here you can view network interfaces DNS information Function HTTP proxy info With this function you can view HTTP proxy information You can see if proxy is enabled and which HTTP proxy IP address is ass...

Страница 54: ...unction shows information about selected network interface You can view MAC address State DHCP status IP address Mask Broadcast address Gateway address 5 4 2 Connections This function displays what user connections are currently active ...

Страница 55: ...les or view specified or all log files without downloading them in a compressed form You can also check usage of memory RAM and SWAP and hardware monitoring Function UPS status The UPS status presents the current status of ups device Function Controllers info This table lists the components installed in your server Function Drivers info This table presents active drivers loaded for hardware detect...

Страница 56: ...Information of the logical volume manager are also stored in the logs It is recommended to download logs after creating the logical volumes and store them in a safe place as a source for logical volume and volume groups recovery in case of a critical hardware failure While generating the logs a simple speed test of the disks is done When software Raid is used with a lot of single disks this may ta...

Страница 57: ...log file just run WinZip or an other decompression utility and open the file as an excel document Function Memory RAM info This module presents the current memory usage Memory allocated by system cache will be released when some application require additional memory If there is no free memory you can enable swap or just install more memory modules ...

Страница 58: ... can find here information on following parameters Motherboard temperature CPU temperature Chipset temperature Vcore Function Server statistics Here you can open window with server statistics Following statistics are available System load Memory Uptime Network 5 4 4 S M A R T Through the S M A R T Self Monitoring Analysis and Reporting Technology system modern hard disk drives incorporate a suite ...

Страница 59: ...he after status If value of attribute exceeded the worst of this value then the status will be failed If value of attribute is on the edge of worst value then the status can be pre failed On some hard drives part of attributes can be displayed as Unknown_Attribute this can happen when the producer of that hard drive has done some modifications in S M A R T and hence these changes are not yet suppo...

Страница 60: ...nction Register In this function you can find link to our registration form Note that registration is required to receive updates and new versions Registration gives you also opportunity to receive e mail notification about software news ...

Страница 61: ...ontacting Technical Support team Logs which you can download in menu status hardware logs Your software version which you can find in menu help about Function Add license key Here you can enter license key to expand functionality of the server For example you can add a license key for bigger capacity of storage volume To log out from the management GUI either press LOGOUT button at the top left co...

Страница 62: ...e password in each entry field For safety reasons the passwords are not displayed Type slowly Check the status of the Shift Caps Lock Control and Alt keys Error Update file not found You instructed Celeros XL Series to perform a systems update but did not supply a valid Celeros XL Series update file Download the latest Celeros XL Series update file from the www Celeros com Web site Next copy the u...

Страница 63: ...s including the GNU General Public License A copy of the GPL along with the other applicable Free Software Licenses can be found in Appendix B Ownership and Copyright The Celeros software is non exclusive licensed and sold to you for use only as permitted by this License Agreement Celeros reserves any rights not expressly granted to you Copying of the software is prohibited by law unless specifica...

Страница 64: ...ed valid and enforceable to the fullest extent possible Entire Agreement This agreement constitutes the sole and exclusive agreement between the parties concerning the subject matter hereof LIMITED WARRANTY Celeros warrants that the media on which the software is distributed will be free from defects for a period of ninety 90 days from the date of delivery of the software to you Your sole remedy i...

Страница 65: ... can change the software or use pieces of it in new free programs and that you know you can do these things To protect your rights we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights These restrictions translate to certain responsibilities for you if you distribute copies of the software or if you modify it For example if you distribute co...

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Страница 67: ... not derived from the Library and can be reasonably considered independent and separate works in themselves then this License and its terms do not apply to those sections when you distribute them as separate works But when you distribute the same sections as part of a whole which is a work based on the Library the distribution of the whole must be on the terms of this License whose permissions for...

Страница 68: ... derivative of the Library because it contains portions of the Library rather than a work that uses the library The executable is therefore covered by this License Section 6 states terms for distribution of such executables When a work that uses the Library uses material from a header file that is part of the Library the object code for the work may be a derivative work of the Library even though ...

Страница 69: ... the user installs one as long as the modified version is interface compatible with the version that the work was made with c Accompany the work with a written offer valid for at least three years to give the same user the materials specified in Subsection 6a above for a charge no more than the cost of performing this distribution d If distribution of the work is made by offering access to copy fr...

Страница 70: ...or any work based on the Library the recipient automatically receives a license from the original licensor to copy distribute link with or modify the Library subject to these terms and conditions You may not impose any further restrictions on the recipients exercise of the rights granted herein You are not responsible for enforcing compliance by third parties with this License 11 If as a consequen...

Страница 71: ...by the Free Software Foundation If the Library does not specify a license version number you may choose any version ever published by the Free Software Foundation 14 If you wish to incorporate parts of the Library into other free programs whose distribution conditions are incompatible with these write to the author to ask for permission For software which is copyrighted by the Free Software Founda...

Страница 72: ...t it does Copyright C year name of author This library is free software you can redistribute it and or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation either version 2 1 of the License or at your option any later version This library is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY without even the implied wa...

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