Scratch Disk Full (Photoshop)

December 22nd, 2011
Which I assume means my hard drive is full? Can someone confirm this? And I have an external hard drive that I used for my PC... can I use it for my Mac too without worrying about overwriting anything that was on it? I assumed you all would know because this has to be something photogs run across frequently with large files. Thanks for any tips.
December 22nd, 2011
Photoshop should optimally be configured to use a different drive to your main one (which under Windows is called C:) for its scratch disk, I believe, but hopefully this will tell you how to check which drive it is. Then free up some space on that drive.

It's not a fatal error, just means it ran out of memory whilst trying to do some hefty operation. Clear space and you'll be fine again.

As far as Mac/Windows interoperability of external drives, it depends how the thing is formatted. There are tools available for both OSes to help them read otherwise formatted discs, but last time I tried to do this it didn't go well. Hopefully someone else'll turn up with some better knowledge!
December 22nd, 2011
I try four things when I get this message. First of all, I go to "My Photos" on Photoshop and delete a lot of the photos I don't need there. Although I save only a few photos there, Photoshop loves to save every photo anyway. Second, I empty my recycle bin because it usually has a lot of photos in it. Third, I restart my computer. Fourth, I try to keep most of my photos off my computer (it is old and does not have much memory. I store the photos on an external portable drive and then back up these photos on another storage device. I am not too techie, but these are the things that have helped me. I will check back to see what "the techie" 365ers say.
December 23rd, 2011
I've always had a separate drive set up as a scratch disk. That said, with 16GB of RAM, my computer rarely uses it anyway.

It's just an overflow for when all your RAM gets used up by Photoshop. Clearing your buffer will usually solve the issue temporarily, as will reducing the number of history states kept, not having too many photos open at once, etc.
December 23rd, 2011
Another tip that may help is to set photoshop to not export the clipboard. Just uncheck Export Clipboard under the General tap on the Preferences menu. It is checked by default.
December 24th, 2011
@lilbudhha THANK YOU! That seems to have made it work significantly better.. What is that for anyhow?

@jinximages I don't even understand what a scratch disk is... *sigh* Every time I think I've got it all figured out ;)

@daisy I had a couple videos on my computer that I certainly did not need. I didn't even think about that. Sounds super silly, but thank you for the suggestion to clean out my trash bin. It made me think of all the other "stuff" I really didn't need.

@eyebrows Thanks! I reformatted my external to support both OSes, so hopefully it'll work out ok... (although Im pretty scared to try to save new, and I know it smells my fear and is taunting me.) I'm going to work on setting up my scratch disk on my external (again, eeep....) Thank you for the link!

Thanks everyone, you all are so helpful :)
December 24th, 2011
No worries. The clipboard stores what you have copied. In the case of photoshop, that can be a large amount of data. The theory is you may wish to have that data available to another program which you may subsequently open.
December 24th, 2011
@lilbudhha Holy cow. Ok, so what I thought. I just couldn't imagine this "clipboard" was the same as the usual clipboard... Thanks again :)
December 24th, 2011
If you're setting up scratch on an external drive, you *might* get a large performance hit. Depends on a few factors. Ideally it'd be a second internal drive, but still, try it and see :)
December 25th, 2011
@eyebrows Firewire 800 isn't *too* bad for it. USB 3 works great. I'm hanging out for an inexpensive Thunderbolt SSD for it (so I can trash it more easily when it fries).
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