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So, some of you may remember that I was looking to purchase a new NAS last week If you are not, ...


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So, some of you may remember that I was looking to purchase a new NAS last week. If you are not, well I was.

 

So I live in Long Island, NY. We had a storm. I had a battery backup.

The power flickered on/off numerous times (expected behaviour).

 

My NAS effectively has s**t the bucket because instead of oh I don't know protecting my NAS from the on/off switching the APC battery backup didn't even kick in. Now I have 12TB of media possibly gone down the drain.

 

I am unable to get to the web interface at all.

 

My drives are in Raid 5. 3 and a spare.

 

Before some of you ask, this is my only backup. I was attempting to purchase a new NAS that would have been the main and used the Lacie I currently own as a redundant backup. But alas...

 

Here is what I need:

1. Affordable but good battery backup that is able to handle the power that a NAS requires

2. If I get another NAS and drop the drives in...Am I up a creek? Or is there hope?

3. Is there a way to manually connect to the drive (not networked)?

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Have you checked the power supply. Do the disks spin up.

If it's a failed PS, a replacement should bring the drives up. If the controller hasn't failed, your RAID should be intact.

The RAID config is usually stored on the controller, if you replace the controller, the array config will be lost. Same if you plug the drives into a new NAS. In RAID 5 the data is spread across multiple drives. The controller can recreated the data on a failed drive, by using infor on the remaining drives, and the RAID configuration. Accessing one drive at a time will not get your data back, you need all the drives in the RAID.

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I'd hold off on the PS for now. The fact that the drives are spinning (sounds like) and lights are flashing would indicate it may not be at fault. 12TB will take some time to rebuild, so, do give it a day to see what happens. When we rebuilt IBM RAIDS in the data center they took many hours, and they were nowhere near 12TB. The sounds you describe, sound positive.

If after a few days you still don't get a Web prompt, see if there is a local access port on the NAS and try and attach there. If that doesn't work, check to see if there is a default IP address printed on the NAS, that the unit may have reverted to, and try to access that.

If after all this you still can't get access, you may need to pull the power, wait 30 seconds then power the unit up. This SHOULD reset the processor, and NOT clear the RAID config. Be sure and check that you have the correct IP address.

At the very end, as a last resort, you may need to hit the reset button, which MAY possibly delete the RAID config, and render your data totally useless, but will recover your NAS. Use this option as a very last resort when all else has failed.

Have you checked the vendors site for details on a problem like this?

Does your unit have a maintenace mode (where you maybe hold down a button, while rebooting, for example).

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Forgot to add. DO NOT POWER THE NAS off while it is rebuilding the RAID. That's never a good thing. In fact, you should always power down these units in an orderly controlled fashion, if you can. A UPS, as you had is a good idea, usually APC has good products, it's what we used at the office.

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Ok dumb question but I'll ask anyways, all UPS ship with the battery disconnected did you open thended door and connect the leads?

Also many have both battery backed up and power surge only AC receptacles, was your NAS plugged into the correct receptacles?

I've made both mistakes myself so I'm not just being an A-hole

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Spinright does not work on a nas but others have had luck pulling all the drives out and running each drive individually through spinrite and then reassembling the Nas and rebuilding when just rebuilding failed.

 

But we're not talking about days here were talking weeks unless you run multiple copys simultaneously

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  • 2 weeks later...

Hey YALL!!, Just wanted to update you and let you know that I have praised ALL of the NAS gods and they have answered my prayers. But seriously, Lacie finally came back online. I cant access the web page just yet but I can access the data which is most important. Just need to back everything up.

 

Thanks for all of your help. Synology...here is my wallet

 

Took two weeks to re-build. Thank God for raid 5

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