Why do people set their scratch disk to a RAM drive?

From what I've read, the scratch disk in Photoshop is there so that if you become low on RAM, it will move data from the RAM to the allocated scratch disk...so why bother making that scratch disk the RAM when it'll just be going from the RAM...to the RAM? Am I missing something here?

Siderz95 wrote:
From what I've read, the scratch disk in Photoshop is there so that if you become low on RAM, it will move data from the RAM to the allocated scratch disk...so why bother making that scratch disk the RAM when it'll just be going from the RAM...to the RAM? Am I missing something here?
They're the ones missing something. It doesn't help to swap RAM to RAM. Now, it's possible people are talking about pointing their TEMP area to a RAM drive. There could be merit in that, but...
You want a real leg up? Get a good SSD for scratch, or take it even further and run your entire system off an array of SSDs.
-Noel

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Set New Scratch Disk for rendering...

I finished a short film on a HD with no space left at the moment. To render the video, I'll need to set a new disk to render to, but everytime I set the scratch disks to my main drive (plenty of space left, I'm desperate) and checked the render video and audio boxes, and unchecked them on my old HD. It's a pretty messy project with files everywhere, truly unorganized. But I need to set the render folder on my main one and it is still referring to my other drive when I try to render anything, which does not have enough space left to render anything. Any solutions?
So far I've tried restarting FCP and that's it.

When you go back to your System Preferences settings, you can see your main disk as scratch disk or you see your old setting to the external one?
Try trashing your FCP preferences and setting everything again.

I have 2 hardisk,so i want to set two scratch disk but i doesnt work

i have 500g and another 160g hardisk.
such as i set up scratch disk in d: drive in 500g hardisk and f: driver in 160g hardisk
but i have found photoshop just use d: driver as scratch disk ,and never use f: driver.
why?

Okay! So you want to RAID your Scratch Disks! I've not tried that, and I don't know how Photoshop would handle a RAID Scratch Disk; I'm afraid someone smarter than me will have to visit the thread.
But even it were possible, both disks would have to be the the same size/capacity, speed, and cache; you can't RAID different sized disks like the ones you have, so you'd either have to have 2x 500GB, or 2x 160GB drives to start with, plus a dedicated RAID card to do the processing for you, you wouldn't want your CPU to be handling that load as well as everything else, the drives would also need to be internal as well, not an external RAID enclosure, where the I/O port becomes a bottleneck.
If you can, change the name of your question, "I have 2 hardisk, so I want to set two scratch disk but it doesn't work," to something like, "Need to RAID Photoshop Scratch Disks!" and hopefully someone who knows a LOT more about Photoshop and RAID than me will be able to give you an answer.
Also, please give as much information about your system as possible, what Operating System are you running, is it 32 or 64 Bit, Processor type and speed, installed RAM, Motherboard (some support RAID natively) etc.
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More than 1 set of scratch disks ?

i want to have more than 1 set of scratch disks in FCP.
is this possible ?
i want to have one project on one and then one on another,if so how would i save to each one ?
thanks
adam

I do this regularly as I have 2 additional hard drives in my machine. I set scratch disks on each one (for example name FCP doc on HD-1, FCP doc on HD-2). I have the corresponding FCP project on each HD. When they are long weddings, that helps me keep everything organized.
The downside is when you start up each project you have to go into FCP System Settings EACH time to make sure the scratch disks are set to the HD you want. A pain if you are switching back and forth between projects quite a bit.
Actually, each project saves in the scratch disks under its own name, so it is kind of 'what's the point' of putting on different scratch disks? I say that, then I do it Old habits die hard.
Sharon

Where do I set the scratch disk in FCP X?

I'm new to FCP X. How do I set the location of my scratch disk?

Thanks, Tom! Found both options there (see Screen Shot).
Weirdly, though, if I now try and select any of the Events now located in my other hard drive, they do show up in the Film Strip area (to the right of the Event Library), but none of these Events show up in the Time Line window (lower section). The only one that continues to show up in the Time Line window are the Events still located in the startup drive.
Is there a way to get those Events now in the other HD to show up in the Time Line window?

Set Illustrator scratch disk via scripting?

I'm using jsx scripts and ScriptUI with Illustrator CS5, and would like to give my user a way to specify the scratch disk to use. I can't find any information about accessing this preference item via scripting. Anybody know if this can be done?

Is there a way to enumerate all the available items it supports?
no, you have to open the AIPref file and have a look to see if there's something in there.
Also, it is usually not recomended, but sometimes it gets the work done, it depends on the rest of your code. You could use "SendKeys" in VBS or similar in AS, it simulates keystrokes. So in Windows I would use
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- N
- P
to bring up the Preference Dialog, then
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to get to the scratch disk options
I have a working sample here
http://forums.adobe.com/thread/942075?tstart=0

Setting up sparse disk image on external drive

I am trying to set up an sparse disk image on an external drive and I am not getting the standard screen that I have seen referenced. My only options to select are image format and encryption, not image size, etc. I have the external drive formatted as Mas OS extended. Any suggestions are appreciated.

Open Disk Utility > File > New >Blank Disk Image...
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Don't understand why I keep running out of disk space on hard drive.

I keep getting warnings about using up the hard disk space, and I can't understand why.
I have a small number of documents, no fancy applications, and about 2 gb of photos and 2 gb of iTunes music. I used to have many more photos, and more documents, and used to have easily 2-3 gb spare on the 55gb hard drive.
I have emptied the trash on every account, and have deleted just about every email.
Each new day that I logon, the available disk space dwindles back down to mere kb.
It's like something is squeezing out my available memory.
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Hi Robert,
first of all: WELCOME TO THE DISCUSSIONS!
You should start with some system maintenance: Mac OS X 10.3/10.4: System maintenance. Temporary or Cache files can get corrupted and then grow until they fill the disk. In case you use Toast check if the temp file was deleted after you burnt.
Back in the days of Panther there was also a common problem with the drivers of a game-controller. Sorry, can't remember the name but if you installed a game controller recently you should update it's driver.

Help me to best allocate drive resources for scratch disks between 4-6 drives on my system?

I have several 7200 RPM drives as follows
OS/Program drive
Audio drive (367 GB free space & used for Cubase in conjunction with another OS drive; my OS drives are removable because it's simpler than partitioning)
Video drive (237GB free space)
Still Image drive (246GB free space)
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After reading page 39 in. "An Editor's Guide", I'm still trying to determine where best to put my preview, capture, and project files in order to spread throughput loads to various drives. Now, I know this isn't ideal, the limited amount of space available will be a point of contention for the "can't do" crowd. The "can do" crowd will, however, be able to see solutions where the "can't do" crowd only sees reasons to fail. Also, I'm in the process of freeing up space on varios drives (except the on the Audio Sampler drive) by backing up some old files so there's some wiggle room.
As always, thanks in advance.

nw42 wrote:
... if you work with 200MBit/s and upwards footage (like DNXHD/ ProRes in high bitrate flavours or DPX file lists this is essential.
for codecs below 100MBit/s single SATA drives will working well - split audio and video data to different drives
I'm working with MPEG-4 AVC / H.264 (MOV file format) and DV-NTSC Digital8. Also, some AVCHD-Lite files from an older Lumix P&S (these will be archived and I'll not see files from that camera again in the future).
Thanks

Scratch Disk Problems

I teach FCP to high school students. I have them set their scratch disks which works fine when they start their projects. But, when they try to set them again the next time they open their projects they get an error message, that they don't have access. I have them saving their projects on the HD in a period folder, in a folder with their name. Any suggestions?
G4 Mac OS X (10.4)

Check the folders' permisssions. Is this a network setup? At our school the permissions get all weirded up and always need to get reset.

Use Ext. HD for Scratch Disk

I have to edit a large project.... a very large project. I have no other option but to use my MacBook Pro, and I wish to use my external hd to save my project and scratch disks. Whenever I attempt to set my scratch disk to my external drive, PP (CS5) won't allow me to. Why? and can I fix this?
*please keep in mind, i'm a beginner PP user (let alone a beginner Adobe user)*

What KIND of external?
If eSata or Firewire 800 you should be OK... USB is too slow for video editing
I have not used this... for reference only... eSata Dock http://www.amazon.com/Thermaltake-BlacX-eSATA-Docking-Station/dp/B001A4HAFS/ref=cm_cmu_pg_ t

Need advice on my new Scratch disk

I just received my new Seagate 750 gig external drive.
What should I know before hooking it up to my MacBook and use it with FCE?
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It did take a few seconds. Thanks!
And I set the scratch disk to the new drive.
On my macbook pro there is only one FW400 Firewire plug receptacle. On the Seagate there are 2. Can I use one for the camera and the other, obviously to connect it to the mac?
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Photoshop CS2 scratch disk error

Those of you who have Photoshop CS2 (9.01) installed and have a 2nd internal SATA drive, can you sucessfully set the scatch disk to the 2nd drive (or just a non-startup internal HDD?). This is NOT a RAID configuration.
When I set the scratch disk to the 2nd drive and restart PS, it gives an error on launch that PS can't initialize the disk because it doesn't exist. Well golly, it's right on the destkop, passes the Apple hardware test and disk utility tests and works fine for my 30 gigs of iTunes and all that good stuff. It's been formatted with Apple's disk utility and has one standard Mac OS Extended journaled partition.
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Somewhere in the foggy last couple months, I know that I have read that before.
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something really simple but not obvious.

Setting pref file so FCP prompts Scratch Disk Reset

I was told by a fellow poster that "you can lock the pref file (or set permisions) so that FCP can't save the selected Scratch Disk location ... this will force FCP to ask you to set the Scratch Disk location everytime it launches."
Does anyone know how to do this?
Please take me through step-by-step.

if a fellow poster told you then why don't you do a search mate?
basically, you can either just lock the file just by locking it in the finder (use Get Info) or you can set the privilledges so that the file is read only.
step by step is here:
http://discussions.apple.com/thread.jspa?messageID=5167687&#5167687

Different Scratch Disk Per FCP Project

I love FCP Studio and swear by it for most things. I'll cut straight to the point...
I want to be able to set my scratch disk location (capture scratch, render files, audio render files) as a project based setting NOT a system wide setting, and I want FCP to remember this setting for each project.
I am very frustrated with the fact that you can't set the scratch disk to different locations per project, as I am constantly changing the location depending on what I am working on, and sometimes I forget and I'm working off the wrong drive.
Also, sometimes I'm multi-tasking and working on two or more projects for different clients off of different mobile drives. This becomes a big cluster f$!k when I'm forced to render and digitize everything to one drive yet I'm working off of several removable drives that I need to take with me at some point. I need elements for each project to stay on their own drive!
Now, I understand that my need goes outside the real of the normal editor, and may actually cause a larger fundamental back-end issue that I am not aware of, but is it asking too much to have the scratch disk setting a project based setting, and not a system setting?
It seems to me that FCP could just remember where you want to point your files to depending on what project you are working in?
Any ideas? Am I missing an obvious solution? Any 3rd party software out there to help with this?

Matthew Lynn wrote:
... It seems to me that FCP could just remember where you want to point your files to depending on what project you are working in?...
You would think ...
I completely agree and have posted about this on many occasions.
You might find this an interesting read:
http://discussions.apple.com/message.jspa?messageID=10916404#10916404
I absolutely love the ability to set different drives for different file types if we choose.
But it should be a PROJECT setting not a System wide preference.
This thread is just another example of why it should be that way.
Send a suggestion to Apple http://www.apple.com/feedback/finalcutpro.html
Hey, ya never know.
best,
g

Why do people set their scratch disk to a RAM drive?

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