Cs4 64bit scratch disk

I am trying to determine if a dedicated scratch disk is still needed if using win7 and cs4 64 bit version. My work involves mostly 2D design, but some images can be quite large. The following statements seem to indicate that if you have enough ram then the scratch disk will not be used. If this is the case, then would a single SSD be viable?
I have been able to find some info regarding this but no definate answer. In kb404439 it states
Using 64-bit Photoshop. If you use files large enough to need more than
4 GB of RAM, and you have enough RAM, all the processing you perform on
your large images can be done in RAM, instead of swapping out to the
hard disk.
This article was in reference to CS2- Document 320005
Each history state that includes an operation that affects the entire
image (for example, when you apply Gaussian blur or unsharp mask to the
entire image) creates a full copy of your image at its original size.
If your initial image is 500 KB, and you apply Gaussian blur to it,
your image will need 1 MB of scratch space

This is just me thinking and adding my 2 cents worth. SSD will not have a spinning disk with read/write heads trying to write to a scratch disk and virtual memory at the same time. The reason a second internal hard drive is recommended is to give the scratch disk its own hard drive thus its own read/write heads. SSD does not care about all that. As long as a SSD is purchased with TRIM then I would see no need for a seperate SSD drive. Now in the real world would a second internal SSD drive, dedicated to the scratch disk, speed things up (would be interesting to see if true)? I have seen no tests done on that. But even with enough RAM the check box for Scratch Disk still will be checked no matter what by software default even if a SSD is used.

Similar Messages

CS4, CS5, Scratch Disk and Prefs

I am on OSX10.6.8 with CS4 and CS5 (some of my actions only run on CS4, so I quit and launch back and forth).
I had my CS 4 and 5 Scratch Prefs set to a specific scratch partition on another local disk where I had a small partition dedicated towards it. I was doing some disk maintanance on that other disk and forget to go into CS and reset the scratch to the start-up disk. Now I cannot open CS4 or CS5 because it is looking for a scratch disk that does not exist.
Is a complete re-install the only fix, or is there a command line or other way other way than a complete re-install?

Resetting Photoshop Preferences will fix this issue. Follow the instructions outlined here: http://forums.adobe.com/thread/375776
If you have larger troubles, hold down Alt, Ctrl, and Shift keys (Mac: Command, Option, Shift) while starting up Photoshop. A dialog box will appear asking if you wish to delete the preferences/settings file.

Photoshop CS6 Extended 64bit scratch disk error

I'm unable to point CS6 to the alternate scratch drive despite changes in permissions. I noticed my boot drive (C:) is actually Disk 1, not Disk 0, and my scratch disk (internal) is Disk 0. I can select an external drive (I:) with no issues, but that is a 2TB drive I use for data. So, I'm curious whether the mix-up with the boot disk order has anything to do with CS6 not being able to access the disk I want to designate as the scratch disk?

I'm assuming you're running Windows 7, though you haven't said, specifically.
Keep in mind that with Windows 7 UAC makes you "look" to the system like a plain old non-privileged user, even if you're logging in using an account in the Administrators group.
Is the username you're logging in with actually literally "administrator"?
Can you post screen grab(s) showing the permissions for the username you log in with on the root folder, the Photoshop scratch settings, and any other info that might be pertinent?
Does the problem go away if you run Photoshop As Administrator?
Does the problem go away if you temporarily disable UAC and reboot?
Another user here gave up trying to run with UAC enabled just the other day and his problems were solved. It shouldn't be necessary, but...
-Noel

Macbook Pro with Dual hard drives. Scratch Disk, Memory 64bit, Raid, Set Up Questions.

Hello, this is my first post.
I just upgraded from the original 2006 17" Macbook Pro to a refurbished 13" Macbook Pro 2.53GHZ 4GB Ram (2009 model).
I bought the MCE Tech Optibay and installed it (if you dont know anything about it, ask me, its amazing.) So now I have 2x 500GB 7200RPM Seagate hard drives installed.
I am running Snow Leopard, CS3, Lightroom 1.4.
I have the main hard drive set up with Snow Leopard and all the Applications. I keep all my files on external firewire 800 drives, except files I am currently working on.
The second hard drive is set up as a scratch disk for Photoshop CS3 and that is it.
I am looking to upgrade to CS5 and Lightroom 3 here within this month or so. Or if I get anxious, tomorrow, haha.
I want to know the best setup I can do with my current set up with CS3 and for my future setup with CS5.
Any info will appreciated.
-Would some kind of raid set up with my internal drives be better? How does raid work with scratch disks?
-If I upgrade to 8GB memory in my macbook pro, would I even see a difference in performance if I didn't have a scratch disk? Since CS5 and Snow Leopard can use more memory in 64bit.
I think thats all I have on my brain right now. I may have more questions, or I can guarantee I will have more later.
Thanks alot.

First the scratch. Like you said, most everyone has a different take on scratch discs but I'd guess you're wasting one heck of a lot of hard drive space using all 500 GB for Scratch, did I read that right? If I did read it correctly YES, partition it and get some use out of it!!
I've got a unibody MBP 2.93GHz, OS 10.5.8, CS3 & PS 5 (running in 32bit mode), and 8 gigs of ram. I've partitioned the one 300 GB drive so 50GB is scratch, the other partition is for OS, & Apps, and documents (images).
I use LR 2 first than export to PS 5 to finish up. My photos get to be 300MB to 500MB in size and both versions of PS work on this setup just fine. Using PS 5 in 64 bit mode is faster opening files but NON of my plugin's are 64 bit yet, that's why I'm still stuck in 32 bit mode.
Not knowing what size or kind of files you work on makes giving advice a bit tough but try setting the status indicator (don't know the right name for it) in the bottom left corner of any PS open file to "Efficiency" and watch what happens when you process your files. I rarely see mine drop below 90%, I've got the usable RAM in PS Prefs set to it's max suggested, cut way back on History and Cache.
Can't wait for NIK and others to offer their plugin in 64 bit, later this year is what I was told.
There used to be an old "rule of thumb" with old version of PS about Scratch disc size. I don't remember exactly but it may have been 3 to 5 times the size of your biggest file??
Good luck, Alan

Snow Leopard & Photoshop CS4: Scratch Disk Error (app won't open)

Snow Leopard and Photoshop CS4 have at least one incompatibility worth noting thus far. If you have a secondary disc on your system that is setup to be your primary scratch disk in Photoshop's Preferences you might be unable to open your application.
In order to fix that, go to Macintosh HD/Users/YOUR_ACCOUNT/Library/Preferences/Adobe Photoshop CS4 Settings/ and remove the Adobe Photoshop CS4 Prefs.psp file
Then Photoshop will open.
NOTE: You must leave your Macintosh HD as your primary scratch disk in Photoshop's preferences until Adobe fixes this issue.

HI Chris,
We are having significant problems with CS4 crashng and not saving work after it has been completed and saved onto our server. I would rather not re-format my machine. Any ideas?
Stephen Walker

Problem with scratch disk in CS4

Hi
I used Premiere Pro CS4 on my MacBook to import from my Panasonic DC-TM700 HD camera and set the scratch disks to an external disk.
But now there´s nothing on the external disk, and I got 8GB less space on my internal hard drive.
So it seems like all my footage was imported to the internal hard drive, but the promblem is: I can´t find it!
I´ve searched my mac for capture, scratch, log and premiere, but I still can´t find the folder. It´s not in the Premiere-folder in documents eather.
Where can this folder be?
Thanks
Lise

I used Premiere Pro CS4 on my MacBook to import from my Panasonic DC-TM700 HD camera and set the scratch disks to an external disk.
But now there´s nothing on the external disk, and I got 8GB less space on my internal hard drive.
sounds like you imported from your panasonic camera. Also sounds like you have no clue where they were being imported TO. There is one clue....which is having less space on your internal hard drive now ( 8gb). Leads us to believe that maybe you imported the video to your internal HD.
If you have any idea at all what sort of file extension your imported video would have ( eg. AVI, MOV, MPEG, etc ) you could do a "search" on that hard drive for any files that have the extension you saved the video as.
Once you find them on your hard drive you can do what you want with them.

Photoshop CS4 does NOT use RAM as scratch disk

Photoshop CS4 does NOT use RAM as scratch disk
as far as I can tell.
I have 20 GB RAM and still Photoshop uses the hard disk as scratch disk.
(OS = Win 7 64).
Can I force the use of RAM as scratch disk?
/Larry

Hi PECourtejoie,
I really try to understand this, please.
I don't know if 'Hitting the hard disk brings unacceptable slowdowns in my workflow'.
Because I don't know what unacceptable slowdowns are.
Any operation in Phshp takes time, and you always want it to go as fast as possible..
I know that if Phshp only worked against RAM instead of constantly saving to (and reading from) the hard drive it ought to go faster.
But I still don't know if this is the case, because there is a constant use of a tempfile on the hard drive's Scratch disk!
So far I understand that Phshp may BOTH work in RAM AND save data to the hard drive Scratch disk.
It could be possible that the writing to the hard disk happens when Phshp is idle from other tasks and that the reading only happens when data has disappeared from the Cache in RAM.
That could be a scenario where a Scratch disk on Hard drive doesn't interfere with Phshps performance, and an explanation why we should not bother about the Scratch disk on the hard drive.
But I would very much like to have some confirmation on this, IF this is the explanation of how the Scratch disk on a hard drive works without influencing Phshp's performance??
Everybody just seem to assume that Photoshop uses (some) parts of RAM as work space - I just need a better understanding of this. And some correct descriptions.
/Larry

PS CS4 Scratch Disk Ownership on this Volume Problems

I have a second hard drive selected as a scratch disk for Photoshop CS4 but PS won't start unless a check is put in the box "Ignore ownership on this volume". However that won't stay checked and I keep having to go into "Get Info" and rechecking that box. That check box is not on my main boot drive but it seems to be on every other drive. This wasn't an issue for a long time and then suddenly it started happening recently even though I haven't made any changes to my setup. Any ideas how to make that setting stick??

As long as you understand the security risk there's no other reason for avoiding that option. However, as long as you are the only one writing to these other drives, then there's no need to ignore permissions. You would always have access to your own files.

Please help me setup CS4 scratch disks etc

Hey everyone
I just bought CS4 Premiere Pro and I really want to set it up correctly.
I am editing 1080p AVCHD video from my Canon HG21 HD Camera, but I need to find out how to properly set up scratch disks etc.
I guess you have the program running on one hard drive, the media that you are editing on another, and a scratch disk on another hard drive?
I don't totally understand how to set this up.
My current rig is an i7 920, 6gb 1600 mhz ram, 4870x2, 3 WD HDD's. The HDD the program is installed on is a 7200 rpm drive but I think the others are 5400? I'll have to check that out.
Thanks for your help.

Hi Harm,
Thanks for your reply! I just checked and all three of them are 7,200 RPM drives, I will set my projects and scratch disks as you advised.
Also just a quick question, I am using the following preset on Premiere Pro CS4 with my Canon HG21 Camera, but how will I know for sure that it's the correct preset to use with the footage that I will be using from the camera? Sorry it's a pretty amateurish question but I am really starting from the ground up and would like to get things right from the start:
AVCHD>1080p: AVCHD 1080p25
For editing AVCHD Formats recorded in 1920x1080 square pixels (non-anamorphic).
16:9 progressive-scan 1080p HD video at 25 frames per second.
48kHz audio.
General
Editing mode: AVCHD 1080p square pixel
Timebase: 25.00fps
Video Settings
Frame size: 1920h 1080v (1.0000)
Frame rate: 25.00 frames/second
Pixel Aspect Ratio: Square Pixels (1.0)
Fields: No Fields (Progressive Scan)
Audio Settings
Sample rate: 48000 samples/second
Default Sequence
Total video tracks: 3
Master track type: Stereo
Mono tracks: 0
Stereo tracks: 3
5.1 tracks: 0
Submix mono tracks: 0
Submix stereo tracks: 0
Submix 5.1 tracks: 0
Thanks again for your help.
Regards.

Scratch disk issues when trying to start CS4

while working on a large file in CS4 my scatch disk filled up.In preferences I foolishly changed the scratch disk to my D (backup) partition and shut down PS. Now when I try to restart CS4 i get the following message. "could not open scratch file because the file is locked. Use properties command in the windows explorer to unlock." I'm having no luck with this. Any ideas?

Reset the PS prefs by holding down Ctrl+Alt+Shift when the program starts.
Mylenium

Firewire scratch disk with CS4/ 10.6.4

I'm currently using CS4 in an '07 iMac and trying to use a Newertech Ministack external drive as a dedicated scratch disk. The external drive has been erased and freshly formatted as Extended Journaled, with no OS or any other apps. This was a method(recommneded at the time) I used successsfully with a MBP running 10.5 and a LaCie external drive.
Now, when I try and designate the external as the no. 1 drive on the list in Performance Preferences, it keeps reverting back to the internal drive as #1 after restarting PS. I move the external to the first position on the list and check the Active box. The internal drive is at 2 and the Active box unchecked. When I quit PS and start it up again, the internal is back at the first position with Active checked and the external at 2 and unchecked.
Any way to make it stick?
Any insight greatly appreciated.
'07 iMac 20"/ 10.6.2/ PS CS4 11.0.1/ Ministack V2 via firewire.

Thanks for replying.
Have been doing service on a bunch of machines lately, so the journaling was done on auto pilot. Have gone back and reformatted the drive as extended.
Trashed the prefs via the 'Command/shift/option' method with no change. What's funny is that there is no " Adobe Photoshop CS Settings" folder in the Preferences folder in Library. So can't drag it to the trash.
So back to square one.

Adobe Premiere Pro CS4 Scratch Disk Anomoly

Okay, I ran into an odd problem.
I have a 1TB firewire external drive that I would like to use as my main scratch disk. Every time I try to set my SDs to that drive, through both the capture window and through the Edit>Preferences menu, I have problems. At first it told me I didn't have permission to write to the drive. I think I've fixed that. But now there is an error during batch capture. It says there was an unknown recorder error.
This most recent time I logged 3 clips and set it to batch capture. One clip, the final one in the group that I logged, captured with no problems. But the first two didn't capture. I tried to re-batch those two and in the capture window, where it displays the remaining disk space as it captures, it read that there was only 4.0 GB of space available, and within a minute it gave me the recorder error message. I've got almost 900 GB open on that drive. What's the deal?
And I am confused as to why one clip out of the three captured successfully.
Can anyone shed some light on this? Any help is much appreciated, this project deadline is coming up soon.
Thanks,
BLG

BLG,
Is your external a FW-400, or FW-800? Is it formatted NTSF, or FAT-32? If FAT-32, you can easily Convert (Windows Help File) it to NTSF.
I do not Capture to my externals, but do use them for all other Scratch Disks, and Project files.
Last, is both your camera and your FW external on the same controller chip? That can be a major problem. I'm not talking daisy-chaining, which is worse, but 2 devices on the same FW controller chip.
Good luck,
Hunt

Problem with Scratch Disk - CS4 - Mac

Under project settings, scratch disks, I have set everything to a folder on my external drive, and it shows me for each item that there is 1TB of space available. I am attempting to capture from my Panasonic camera. As soon as I start capturing, it shows me I only have 27.2MB of space available! This doesn't make any sense at all, and is not even enough space to capture this half-hour of footage; the capture keeps dropping frames and will only capture about 10 min of film.
I don't understand this program. Every time I capture video it seems to take up an unbelievably HUGE amount of space on my internal hard-drive. I have deleted everything I can find to delete on my internal drive, and deleted the trash as well, and it does show that I have 15 gigs available internally, but Premiere just can't seem to find enough space.
WHY, when I'm giving it 1 terabyte of space to use, does it tell me I only have 27MB of space available?? This should have taken me only half an hour to capture (I did one earlier that was just fine, but that seems to have taken the last bit of space available) and instead I have wasted the past 4 hours trying to figure this out.
Please help!!!

OMG - even tried rebooting my computer to clear RAM etc... and STILL it is showing me "Remaining disk space: 27.22 MB." I just cannot figure this out! And why did it capture just fine prior to trying this one (can't remember how much disk space it was showing me then, but I recall it was a lot more than 2 megabytes)? I didn't change any settings...
The program will only capture 9min ~25sec, then it says something like "unexpected recorder error" and stops the capture.
I really need to be able to capture this stuff - HELP, please???!!!

Installing CS4 64bit in Windows 7 to a custom drive letter

Hi all,
Currently a CS3 user on XP SP3 but wanting to retire my old computer and build a new i7 machine running on Windows 7 64bit and will upgrade to CS4 so I can run 64bit mode and take advantage of GPU features plus more than 4gigs of memory!
Downloaded the CS4 trial to take a look at the program and specifically the detailed install instructions and was shocked to read that CS4 64bit can only be installed on the default (C:\) drive??? Is this really so?
I had planned to use one of the new superfast Solid State drives of around 80Gb capacity to run Win 7 only, no programs on C:\ just Win 7. I currently use this method in my XP machine with a C:\ drive just for the O/S and a P:\ drive for programs and of course a dedicated scratch disk.
Why is CS4 64bit the only program I can see (from my list of stuff I'll need) to insist on being installed with the O/S? Is there any way round this? I need to get this sorted in my own mind beofre ordering the various HDDs to make the new machine as I may have to revert to a 500Gb C:\ drive if this is the case.
Thanks for any help you can give this 64bit virgin lol
Dave

Thanks for the replies guys,
Mylenium, I'm going to play Mr Dense here for a post You are saying this was no different for CS3 etc? I'm on CS3 (32bit) and it's installed on my P:\ drive but I recognise there are parts of CS3 also on C:\. You're saying this is no different for CS4 64bit?
i.e. I could install the main program on P:\ and have the shared stuff on C:\ - i.e. situation normal? I don't have to have it all on C:\ ?
Zeno, call me a wuss but I learnt early on with Windows to keep stuff apart! My last two PCs had multiple drives and I like to keep the O/S on it's own drive in case I need to reinstall/repair etc. I left One dirve does it all behind a few years back and a multi drive approach has served me well.
Hudechrome, thanks for that link - heavy going! I'll have a good read. I don't want to jump into something with issues, I'm just trying (aren't we all!) to put together the components that will make PS run as fast and efficient as it can.
Thanks all
Dave

Illustrator CS4 64bits

We are building a computer for a customer who will be using large files, mainly with Illustrator CS4 (and some Photoshop). Average file sizes are around 1GB-1.3GB. They will be using Windows XP 64bits with 12GB RAM. Is Illustrator able to address more than 2GB-3GB of RAM or will the extra memory just be wasted? The computer will have a Core i7 2.66GHz CPU with a Velociraptor hard drive. Anything else that would make it faster? Does Illustrator use the video card GPU to help speed things up as in Photoshop?

Illustrator is still a 32-bit application. There is no benefit to running AI in a 64-bit environment other than in terms of overall memory management, which might include concurrent requirements of the OS and multitasking.
You might (or might not) see some performance gain with large files by creating a RAM disk out of the "extra" system memory and assigning it as an Illustrator scratch disk. Someone with more knowledge and experience along those lines will have to confirm.
Reference: Mordy Golding's interview of Illustrator product manager, David Macy.

Cs4 64bit scratch disk

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