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 Post subject: Drive upgrade in a LS421
PostPosted: Wed Dec 24, 2014 5:46 am 
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When I purchased my 421, I had 1 3TB WD Red drive and 1 2TB Seagate drive. I've since been able to purchase another 3TB Red drive and want to swap, but the manual doesn't seem to cover upgrades for functioning drives, just replacing bad drives. Is the process the same? For a RAID 1, I should be able to pull the 2TB drive, replace it with the new one and choose the Recover RAID Array option, right? There's not a lot on there so far, but I still don't want to lose it for doing something stupid.
Thanks in advance.


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PostPosted: Wed Dec 24, 2014 9:51 am 
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I think you will get a 2TB partition.
I know from a Terastation, that rebuilding a raid with bigger disks has result in a bigger raid.


The clean and pretested way:

1) make a Backup
2) delete all Partitions on the two 3TB drives
3) start with E07 (the new E06)


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PostPosted: Wed Dec 24, 2014 9:53 am 
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E07?


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PostPosted: Wed Dec 24, 2014 10:14 am 
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Yes the new E06


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PostPosted: Fri Dec 26, 2014 9:04 am 
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I don't know what that means. What is E06?


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PostPosted: Fri Dec 26, 2014 10:17 am 
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read your manual page 83


White
The power LED will blink white during bootup or shutdown.

Red

If there is an error, the power LED will blink red. The pattern of the blink gives the error code. You can also see any errors in NAS Navigator2. Place of Error Code Status 10s Place of Error Code The LED flashes for 1.0 second every 0.3 seconds. This gives the tens place of the error code. 1s Place of Error Code The LED flashes for 0.5 seconds every 0.3 seconds.
Error Code Description Corrective Action

E07 The firmware is corrupted. Contact Buffalo technical support for assistance.

E11 An error occurred in the fan speed.
Check that foreign objects or dust are clogging the fan. If any foreign objects or dust are found, use a pair of tweezers, air duster, or other tool to remove them. If the error is displayed again, contact Buffalo technical support for assistance.

E12 A rise in the system temperature may have exceeded the allowable safety value.
Do not place objects in the area around the LinkStation. Also, move the LinkStation to a cool location.

E13 An error occurred in the RAID array. The LinkStation is in degraded mode.
Replace the defective drive whose NAS Navigator2 or Settings shows error. Rebuild the RAID array after replacing the drive and rebooting the LinkStation. E14 RAID array X cannot be mounted. Run the RAID array disk check in Settings. E15 The bad sectors have reached a dangerous level. Replace the defective drive whose NAS Navigator2 or Settings shows error.

E16 Unable to find hard drive X.
Hard drive X may be disconnected or may be failed. After shutting down, reinstall the hard drive.


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PostPosted: Fri Dec 26, 2014 10:19 am 
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but you have luck

the ls421 have a build in tftp

with E07 press the funktion button and way 10 mins and you will be in EM- Mode
Now flash the Firmware with all debug - Options set

point 9 from
http://forum.nas-hilfe.de/buffalo-technology-nas-anleitungen/anleitung-tftp-und-firmware-flashen-mit-bildern-t903.html


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