LaCie D2 Firewire 800 drives not mounting.

If it's helpful I also have a LaCie D2 drive on Firewire 800 and it seems to work fine. I have the 1T size.

There is a problem with TimeMachine that may or may not be connected, but the drive mounts fine and seems to work fine.

Scot Giles

did you check that the drives have the latest firmware?

you can download the updater here...

http://www.lacie.com/uk/support/drivers/driver.htm?id=10053

...it might not be the problem, the error message looks more like an os issue

I am having exactly the same problem with my Western Digital My Book when trying to connect via Firewire.

There are no problems when connecting via USB, and my drive connects via firewire and USB with my Macbook so it is not a problem with my external drive, and I can connect other firewire items to my iMac (so not a faulty firewire port).

Apple Support were also not able to resolve this problem either. Any suggestions?

Not likely a problem with your LaCie drives, but something related to the FireWire drivers inside your upgraded OS X 10.5 installation.

From your own words, system profiler is reporting that it is unable to list any FireWire devices.

You may want to try resetting your FireWIre bus as a first step:

shutdown your computer, and disconnect drives

remove AC power from your drives as well as your computer for a few minutes; with laptops, also remove the battery

reconnect AC to just your computer; reinstall battery if a laptop

restart computer; confirm that there is no problem in the FireWire section of your Apple System Profiler report

connect power to your FireWire drive, and reconnect to the computer. Confirm that drive is visible to both Apple System Profiler as well as Apple Disk Utility. Apply First Aid to confirm drive is OK.

If drive does not appear, or there is a problem reported with the FireWire bus, then suspect a fauly installation of OS X. Youc an boot from your Leopard OS X DVD, and use Apple Disk Utility and Apple System Profiler while booed from the DVD. This will be a clean version of the OS, and probably overcome any problems with the installed OS X.

If drive appears fine while booted from the DVD, then you will need to reinstall your OS X.

Mike

This worked for me. If you are having problems with your externals please reset the fire wire bus as stated above.

Thanks for the suggestion,

This didn't worked for me.

I updated to 10.5.1 and later I bought my d2 quadra 320GB. I can connect it by FW400, USB2.0, but didn't work with FW800. Leopard alerts me that is not readable and I should format it, but when I'm trying to erase it cancel because a problem.

What can I do?

Thanks

I solved it disabling the EFI password restarting with the Leopard Install Disc.

Thanks.

I'm having a quite similar problem with my LaCie D2, the thing is, unlike its two twin brothers, this one has decided not to mount anymore, either via FW400, FW800 or USB. When it's plugged on, it starts spinning then stops almost immediately, then back to spinning again, then off, on and on...sometimes it just gest to sleep and the blue light blinks rapidly.
Won't show in disk utility but shows in System profiler.
Nothing wrong with the FW ports, all the other FW peripherals work fine.

I plugged it to an old iMac G3, works fine.

The more i read here the more i understand there's a problem with leopard handling FW. Any solutions.

Thx
Vince

Vince, this is my understanding as well. I have the EXACT same problem.

Sometimes I get lucky on a restart and the drive will connect. Other times not

Leopard has problems. Hopefully 10.5.3 fixes it.

I Don't think this is just a Leopard issue. I currently have 2 200Gb D2 drives in bits on the floor trying to resolve this issue. My 400Gb is now playing up. Lacie - Please help us resolve this or people will just stop buying your unreliable drives.....

Does 10.5.3 fix this problem?

I submitted it as a bug to Apple, they have been going back and forth with me, asking for more information. Here is all the information: THE THING DON'T MOUNT NONE

I didn't have the problem until I updated to 10.5.3

Still works on my G4 PB which I haven not updated yet so I was able to update the Lacie firmware but it made no difference to the problem on my updated Desktop G4 867