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Avoid Western Digital external drives' built-in spin down
Authored by: NB on Mar 18, '09 12:10:41PM

I'll probably be the first to try to argue it's *not* a good hint. It's an OK (and maybe the only) workaround to an annoying behaviour, but IMHO, that's not the way it *should* be fixed.

What's actually wrong with the HD spinning down? The Finder lags for several seconds when it spins up? Well, isn't it a bug in the Finder? Shouldn't the Finder cache the contents of the folder? If it's a local volume, its contents is not going to be modified without the system being noticed, so it's possible for the Finder to pre-list the contents of some folders in the hierarchy, in order to be able to display it while the disk spins up.

Maybe in snow leopardů



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Avoid Western Digital external drives' built-in spin down
Authored by: zkarj on Mar 18, '09 08:10:22PM

I have a Seagate FreeAgent that has the same problem. The Finder DOES cache folder contents which is, I think, what lead to a tip very similar to the above trashing my drive!!

I can't prove it, but be warned that within 24 hours of setting up a touch script on my drive, the dreaded 'invalid b-tree node size' error occurred and I had to purchase a disk recovery tool to get my data back.

In my case the damned thing spins down after 60 seconds! I tried the manufacturer's only suggested resolution and updated the "drive manager" software "to let the OS handle spin down". Great idea, except it doesn't work.

Worst of all, is when such a drive is connected to an Airport device and it's spin down is not recognised by your local OS so it assumes the drive is offline and CACHES THAT FACT in such applications as iTunes, so that you have to quit iTunes, use Finder to spin the drive up and then restart iTunes to get it to read the drive.

All this basically makes the "convenience" of external drives a massive inconvenience. When I get time I shall be researching well behaved third party enclosures and I will re-home all my drives to such.



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Avoid Western Digital external drives' built-in spin down
Authored by: bedouin on Mar 18, '09 08:40:58PM

Fixing your Free Agent is pretty simple if you have access to a Windows machine. All you have to do is use Seagate's software utility to disable the power settings in the firmware. Once you do that all the annoyances are gone.

As for the WD drives -- I have two 500gbs. One of them was attached to an iMac running Linux with a touch script applied; it died a very strange death. I have another 500gb WD on an OS X machine with the same script and it's still kicking.

I kept the empty enclosure from the WD drive, but I'm kind of weary of putting another drive in it.



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