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Drive not mounting

My lacie drive is switching on but then doesn't want to mount and there is a continuous clicking/whirring noise as it tries to mount. I then get a message asking me if I want to initialize the drive. Is the drive dead now? Have I essentially lost all the work that is on it or does it sound like something that can be fixed just so I can get all my work off of it? Any help or advice would be greatly appreciated. Coco

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Re: Drive not mounting

It sounds like the drive is toast. There may be some information that is salvageable, but you will need to purchase SpinRite to see if it can restore any of the data on the drive.

Posted on Jun 19, 2007

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LaCie 2big Triple - I replaced one drive, but capacity is wrong

Most likely the problem you are encountering is due to the RAID mode the device is set in. Most RAID arrays utilize multiple drives of the same size, or with drives of differing size, they just use a portion of the largest that matches the smallest drive. When the device rebuilt the array it partitioned off a portion of the 4tb drive of the same size as the existing 500gb drive. If you want to use full capacity of both drives you would need to use JBOD mode, which just strings the disks together into a storage pool using all available space. This won't offer the data redundancy of RAID1 or speed boost of RAID0, but should allow using full space.

Backup any vital data before doing anything, then look for a switch on the back. Rather than RAID0 or 1 the options may be labelled Safe or Fast, but JBOD is usually still labelled JBOD, or sometimes Big. You can try just flipping the switch to JBOD and seeing if it rebuilds to use all space. If that doesn't work you may need to remove the 4tb drive, connect it to a different system and erase it to get rid of the 500gb partition, then with the Lacie set to JBOD reinstall the 4tb drive so it will add its full size to the array.

The safest option though would be to buy another 4tb drive, backup all data and install both 4tb drives with the device set to RAID1/Safe. You would only get 4tb of total storage, but it would mirror the data on both drives so if one fails the other will still have your data. With JBOD you won't have any auto-backup. If a drive fails the data on it will be lost.

Jan 21, 2014 | LaCie 2big Network (2-disk RAID) (301257U)...

1 Answer

PC doesn't recognise hard drive connected via front panel usb?

Use one of the rear USB ports. Mind you, my PC won't deal with it when connected to any IUSB port although it's fine when connected to the router. This is driving me mad...

Nov 02, 2011 | LaCie Space 2 (301515EK) 1000 GB Network...

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Lacie NAS doesn't appear in network

Have you installed the lacie network assistant?

Jan 23, 2010 | LaCie Ethernet Disk (300788) 1000 GB...

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Lacie 2 big does,nt boot

Hmmm, reseting worked on mine. Identical symptoms except light stayed blue, not red. Unable to power down.
Before trying to get the drive working I got the data off using the procedure in the second post of this thread:

You need a linux system running. Maybe a live cd will do. I installed on an old IDE drive I had.

I then rest the decive using this procedure from Lacie and my drive is working again. Worthless though, because I can't trust it.

The procedure below will reset the 2Big Network to factory settings:
IMPORTANT NOTE: Following the procedure below can ERASE ALL DATA on the drive. Prior to following these directions, verify important data is stored securely on a different storage device.
Switch the drive OFF. Once it has shut down, ensure the power switch remains in the OFF position.
If the drive is in the SAFE mode, move the RAID switch to the BIG mode.
PRESS AND HOLD the button on the front. MOVE the power switch to the ON position. The light on the front of the drive will start blinking.
Once the light stops blinking, RELEASE the front button.
When released, it will begin BLINKING AGAIN. When it stops, PRESS AND HOLD the front button. The light will begin to blink again.
When the light stops blinking, RELEASE the button. The drive is now resetting itself. Switch the RAID selector back to SAFE if desired.
To restore data if it was lost during the process, recreate the shares and users on the unit prior to the reset. Any firmware updates applied will need to be applied again.

Sep 02, 2009 | LaCie 2big Network (2-disk RAID) (301257U)...

3 Answers

Exactly same problem

check your network for conflicts, check power supply, fan and nic card, if your sure it's not the the drives inside the drive case, I have had 4 of these fail on me @work with different issues power supply nic card and both drives 4 units did the same thing and they were under warranty so when I got it back, I sold them and bought The Seagate BlackArmor NAS 420. no problems with them as of yet. Lacie get hot and components get hot and fail because there is not enough air flow I think.

Aug 13, 2009 | LaCie 2big Network (2-disk RAID) (301257U)...

1 Answer

Blue light on Lacie Drive blinks.


I have seen the power adapters go out on the Lacie external drives and that causes the light to flash. You can check the voltages coming out of the adapter with a multimeter if you have one available. The voltages should be 5 and 12 volts. If you don't get that then the adapter is bad, you can contact Lacie about a replacement adapter or get a generic case and swap your drive to it. If you need a replacement case I have a link to more information about the one we use inshop at

I hope this helps, If so please rate my solution.

Corporate Computer

Jul 07, 2009 | LaCie (301082U) 250 GB Hard Drive Array

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Machine not recognized by computer it just is makign a clicking noise

i got the same problem. let me know if you figure it out. except mine stoped making the noise eventually, but still wont recognize.

May 23, 2009 | LaCie Network Storage Systems

2 Answers

How to recover data from lacie etherdisk when it does not keep a network conntection.

I'll have to look into it a little more but off the top of my head I would say that the nic may be going bad or some other component of the etherdisk. You can try opening it up and putting the hard drive into an enclosure and connecting it to a pc via usb to get the data, you can also then share the usb drive and use it over the network, however removing the hard drive may void any warranty you may have. If the hard drive is in fact bad then you should be able to replace it and then continue to use the device. I'll get back to you when I get more info about the device.

Sep 21, 2008 | LaCie Ethernet Disk (300788) 1000 GB...

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La cie hard drive mount issues

I think that this disk has some bade sector ,try to make a complete scan of tis hard drive by this command "CHKDSK /p /r" to repair this bad sectors and repartitioning this hard drive. some time the reason of this problem is file system of this hard drive is not correct.

Jun 14, 2007 | LaCie Bigger Disk Extreme (300789) 2000 GB

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