BUFFALO LS421DE NAS. 1) Go to Buffalo web-site, buffalotech.com, download the following: - firmware update, comes with LSupdater program - unzip file

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1 BUFFALO LS421DE NAS OUR NAS HARDWARE CONFIGURATIONS NAS1: - 2 Crucial M GB SATA III 2.5 SSD (new) - 2 Icy Dock EZConvert Pro MB982SP-1S 2.5 SSD to 3.5 SATA Adapter Case RAID0 - DLNA Media Server NAS2: - 2 Seagate ST1000DM003 1TB HHD (pulled from computer) JBOD Drive 1 Church and home business JBOD Drive 2 Personal file and software storage NAS3: - 1 Seagate ST2000DM001 2TB HHD (pulled from computer) - 1 Seagate ST1000DM003 1TB HHD (pulled from computer) JBOD Drive 1 (2TB) NAS1 backup JBOD Drive 2 (1TB) NAS2 backup GENERAL PREPARATION 1) Go to Buffalo web-site, buffalotech.com, download the following: - firmware update, comes with LSupdater program - unzip file Note: At the time of this writing, our NAS came with firmware version The update is version To the best of my understanding, the drive(s) installed in the NAS stores the firmware data, it is not written to the hardware. LSupdater writes the firmware to the hardware and the drive. LSupdater also forces drive initialization and formatting. There are options to turn on or off formatting. 2) Use a WIRED computer on your network, not wireless 3) Enable DHCP on Router, if disabled 3) Install Buffalo Navigator software from CD that came with NAS

2 PREPARING PREVIOUSLY USED DRIVE(S) Windows Environment This process will destroy all data make a backup if you need to retain data 1) Install drive on to a computer via SATA or USB, power up computer 2) Right click My Computer > Manage > Disk Management - Note the drive disk number for the NAS disk drive you are preparing (example, Disk 2) - Close Disk Management program 3) Start > Run > CMD > DISKPART [enter] - Runs DISKPART program - DISKPART program may be stopped at anytime by typing EXIT [enter] 4) type LIST DISK [enter] (space between LIST and DISK) - DISKPART creates a list of all drive disks on your computer - Note the disk number under Disk ### header (example, Disk 2) 5) type SELECT DISK 2 [enter] (space between each word and disk number) - Response: Disk 2 is now the selected disk. 6) type CLEAN [enter] - This will un-allocate and un-initialize the disk - Another command is CLEAN ALL : - Will place 0 s on entire disk space - Clean All will take a lot of time and is not necessary for NAS drive prep - Clean All is good to use if you are disposing or selling a drive 7) After CLEAN is completed, type EXIT [enter], to exit DISKPART - Don t leave DISKPART hanging operational, exit the program 8) Power down computer, remove drive The above process of drive preparation is complete. Repeat for any additional used drives you may have for the NAS. Special Note: You can also perform this process on new drives if they will not initialize in the NAS. Initialization process described later.

3 NAS HARDWARE PREPARATION 1) Mount drives on supplied NAS drive racks, install drives in NAS 2) Connect network cable 3) Connect power supply 4) Turn on NAS, rear switch above network connector. Fan turns on. Wait, observe LED s 5) Front panel LED sequence after power up Wait a few seconds - White LED flashing / Red LED off Wait a few minutes, then - White LED flashing / Red LED solid on Wait a few seconds, then - White LED solid on / Red LED solid on 6) Press the initialize button (front panel above USB) for a few seconds, release Wait, observe LED s 7) Front panel LED sequence after initialize button is depressed and released Wait a few seconds - White LED solid on / Red LED flashing Wait about 10 minutes drive format and data writing from NAS hardware - White LED solid on / Red LED off 8) NAS drives are prepared. NAS is ready for configuration. If all goes well as mentioned above, go to step 9. Else go to RUNNING LSUPDATER PROGRAM NO DATA ON DRIVES to assist in NAS drive formatting and initialization. 9) Run NAS Navigator program - Navigator will display all Link/Tera-Stations on your network - Upon first startup of NAS, the NAS IP Address will be DHCP assigned - NOTE NAS FIRMWARE VERSION reporting in Navigator (bottom right) 10) Right click on highlighted NAS in detail window. Select Properties 11) Change NAS to static IP Address if desired Go to RUNNING LSUPDATER PROGRAM NO DATA ON DRIVES

4 THIS PROCESS WILL RE-FORMAT DRIVES IN NAS If you want to update firmware using LSUPDATER.EXE and have data on working drives in NAS, go to EDITING AND RUNNING LSUPDATER PROGRAM WORKING DRIVES WITH DATA EDITING AND RUNNING LSUPDATER PROGRAM NO DATA ON DRIVES This program will force update the NAS with the firmware packed in the zip file, initialize the NAS and drive(s), and force format drives. Open LSUPDATER.INI file for editing. Edit the [Flags] and [SpecialFlags] sections as follows with one space before and after the equal sign (=): [Flags] VersionCheck = 0 [SpecialFlags] NoFormatting = 0 Debug = 1 Save LSUPDATER.INI file Do not change any items above [Flags] header This edit will do the following: - VersionCheck = 0 Will Not Check Version (0=false) - NoFormatting = 0 Will Format NAS Drives (0=false) - Debug = 1 Debug Enabled (1=true)

5 1) It is strongly suggested to turn off all other Link/Tera-Stations on network 2) On computer, Run LSUPDATER.EXE 3) Choose Link/Tera-Station to update 4) Right click on Title Bar. Edit following options: Update Config [x] Update boot [x] Do not check version [x] Update kernel [x] Rebuild partition table [x] Update initrd [x] Delete user data partition [x] Update root [x] Force update Destination of Firmware \boot Change IP Address if required CONFIRM PROPER OPTION SETTINGS BEFORE PROCEEDING - All option boxes CHECKED 5) Click OK CONFIRM PROPER NETWORK NAS TO UPDATE BEFORE PROCEEDING 7) Click Update LSUPDATER will inform you when update process is complete. When update is finished, you can now go to Navigator to program the NAS options and applications.

6 THIS PROCESS WILL NOT RE-FORMAT DRIVES IN NAS This process is for updating the firmware only on an operational NAS. EDITING AND RUNNING LSUPDATER PROGRAM WORKING DRIVES WITH DATA This program will force update the NAS with the firmware packed in the zip file only. It will retain existing data on drives in NAS. Open LSUPDATER.INI file for editing. Edit the [Flags] and [SpecialFlags] sections as follows with one space before and after the equal sign (=): [Flags] VersionCheck = 0 [SpecialFlags] NoFormatting = 1 Debug = 1 Save LSUPDATER.INI file Do not change any items above [Flags] header This edit will do the following: - VersionCheck = 0 Will Not Check Version (0=false) - NoFormatting = 1 Will Not Format NAS Drives (1=true) - Debug = 1 Debug Enabled (1=true)

7 1) It is strongly suggested to turn off all other Link/Tera-Stations on network 2) On computer, Run LSUPDATER.EXE 3) Choose Link/Tera-Station to update 4) Right click on Title Bar. Edit following options: Update Config [x] Update boot [x] Do not check version [x] Update kernel [ ] Rebuild partition table [BLANK] [x] Update initrd [ ] Delete user data partition [BLANK] [x] Update root [x] Force update Destination of Firmware \boot Change IP Address if required CONFIRM PROPER OPTION SETTINGS BEFORE PROCEEDING - Config Rebuild partition table MUST BE UNCHECKED - Config Delete user data partition MUST BE UNCHECKED 5) Click OK CONFIRM PROPER NETWORK NAS TO UPDATE BEFORE PROCEEDING 7) Click Update LSUPDATER will inform you when update process is complete. When update is finished, you can now go to Navigator to program the NAS options and applications.

8 IF THINGS DON T WORK Cold Boot NAS: Turn OFF, LED s and fan turn off, wait, Turn ON, what happens? Can computer connect to NAS via Navigator program? 1) Confirm on Buffalo s web-site the compatibility of drive(s) you use 2) Confirm DHCP is enabled and active on router 3) Confirm network functions and wired connections 4) Turn off Anti-virus and firewalls 5) Did LSUPDATER program display the NAS IP Address? - Best to use static IP Address on NAS 6) Confirm drives are seated all the way in to the NAS SATA connectors - Hard Drive will have a spin noise and most have activity LED flashing - SSD s most have activity LED in housing connector side, difficult to view - Turn off room lighting and look in to NAS to see LED HDD / SSD activity 7) Attach drive to computer - If you used USB connection to CLEAN before, connect via SATA this time - Re-Run CLEAN using DISKPART 8) Attach drive to computer start Disk Manager - Drive should report as being Online - Drive should be un-allocated no partitions or formatting - Drive should be reporting not initialized 9) Will computer initialize, partition and format drive. And, write/read data? 8) What is the NAS status using Navigator program? - If EMERGENCY MODE is active there are two things to do, depending on: 1) What NAS Firmware version is Navigator reporting (bottom right) Did the Firmware update report original version number? Check network communications Re-run LSUPDATER 2) If Firmware update version is reporting in Navigator correctly, communications work Double check drive compatibility I can t think of much else that could cause install / update problems. Trouble shooting is beyond the scope of this document and appears to be a hardware issue. If you still have issues, call Buffalo Tech Support.

9 A NOTE ABOUT USING BACKUP FEATURE NAS TO NAS Folders in BACKUP NAS need to marked for Backup in folder creation screen BACKUP process is initialized by the NAS storage station that has the data to go to backup NAS. In other words, example, NAS1 has data to backup to NAS3 NAS3 File Sharing Folder Setup - create folder for NAS1 data to backup to. Mark this folder as Backup in options screen NAS1 Backup Backup create a backup job NAS1 to NAS3 Select other options to your needs NAS1 MUST initiate the Backup sequence!!! Not NAS3 NAS3 is only marked as Backup available When a backup process in running, the backup NAS3 folders will appear in the network share on the computer when viewed no file reading or writing is allowed until the backup process is completed or canceled NAS3 is locked down until released by NAS1 when all data is transferred. A NOTE ABOUT DATA TRANSFER RATES NAS TO NAS Data transfer from NAS to NAS can be done two ways: - Using computer to initiate data transfer using network shares - SLOW!!! - Using NAS Backup feature FASTEST!!! Computer to NAS is very fast also, to upload data to NAS. I have noticed Computer to NAS and NAS to computer is faster than Computer to Computer over all. THINK IT THROUGH Set up NAS network names, folder names and the such with a plan. Easy for a single NAS. With multiple NAS s, careful planning comes in to play. It is easy to change things. Experiment and test first before placing cherished data on NAS s. Farewell and Good Fortunes!!!

10 PS: OUR NETWORK NAS SYSTEM AND SOLUTIONS There were many problems we had before introducing NAS Stations to our network. Data was everywhere on mainly four computers with large hard drives. Accounting software data files were on one computer and accessible computer to computer. Kidz didn t have access to the media server. And it goes on and on. These NAS Stations solved the issues we had. Pulled all the hard drives and installed SSD s in the computers. The 1TB and over hard drive were installed in the NAS s. There is no longer any need to hold huge amounts of data on the computers any more. The accounting data files are on the NAS available to all computers that have the software installed. We have 7TB of NAS storage space, 5TB was from used computer hard drives. These LS421 s can handle, to the best of my knowledge and at this time, 4TB hard drives in each bay. I m sure it is not limited, good tech support question. Organized and store all the software, drivers, computer drive C backups, personal files, church files, home business files, pictures, audio and media files easily in to the NAS network. Set up a DLNA NAS for media server everybody now can use media files direct from the NAS. Computers don t have to be on all the time anymore as a server. Everyone in the household has their own private place on a NAS with user name and password for their use. The benefits are many and well worth the $150 each, with 3 year warranty. The customizable automatic backup with differential from NAS to NAS is a real nice feature. No more manual backups of important church, business or personal files. The customizable immediate backup feature is great upon initial setup. Going to test the NAS sleep mode shortly in the future. The compliment of our intranet network and clients: 1 Gateway wireless router 2 Wireless AP s 4 8 port switches 9 Computers 2 Network printers 1 Network plotter 3 PS3s 1 PS4 4 PSPs 2 Data mobile phones 1 Home theater AVR 1 DirecTV HD receiver 3 Flat screen TVs