Sessions on internal or external drive
I have heard that setting up the destination for Sessions on an external FW drive can mean slow performance, so it seems that setting them up on an internal drive is best. Does this sound correct? Once I am done with the session, can I simply drag it to my external FW drive for storage, or will this make it weird when I want to re-visit it another day or week? would I drag it back to my internal drive, or work with it where it is now? Sorry for sounding confusing.
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Yes you can.
Moving them to another drive, later on, will keep all of your exposure changes and color adjustments intact, IF, your playlist and session files are copied over as well.
I had previously been shooting tethered to the G4 Powerbook and dragging the files to a Lacie external drive. The files reside there, until further work is done, i.e. processing and editing. All went well until I updated to Tiger OSX and C1 Pro. It just does not seem like a very friendly arrangement anymore. The sessions were lost and I need to recreate the sessions and paste the captures into the capture folder. Not too big of a project.
Your suggested workflow of keeping the files on the main drive seems best. After a month of shooting, back them up to an external drive. Make certain that the .session files copy over to your other drive. I am very amazed at how often I need to go back to sessions and rework files.0 -
My OSX philosophy is to store very little data if o data at all on the boot drive. I can understand keeping an active session on it, but once the day is done, it needs to be cleared off to my FW drives. I thought I remembered someone else wanting to work like this, and once figured out, it became a very easy procedure.
For some reason, i ecall thenterm \"ignoring ownership\" on the volume, but my brain is getting old, so i may be mistaken.
Maybe Keith or Ulf can chime in here.0 -
Its fine working with files on external or internal drive.
An internal SATA drive will always be faster then an external firewire, or even worse, USB drive.
Mac OS X can have some \"funky\" behavior with FAT / FAT32 (a.k.a MS-DOS) formatted drives when it comes to rights. So make sure that you have it formatted in Mac OS Extended unless you have to connect drive both Mac and PC.0 -
John,
The method you propose works well if you follow the following caveats:
1) Ensure that the external drive is formatted as Mac Os Extended. It seems that there are system-level problems with external drives formatted as MS-DOS FAT-32 with Tiger 10.4.x . See http://forum.phaseone.com/viewtopic.php?t=1117 for details. Apparently the LaCie range of external drives are formatted as MS-DOS by default which may well cause probelms. This is a real issue which I have replicated here.
I have also seen it recomended that you ignore permissions and disable journalling on external drives. My experience is that neither is necessary.
Firstly with permissions, I have had no problems using user-specific permissions on external drives with Capture One. Others have had difficulties. I suspect that these problems are actually because the individuals concerned don't really understand how unix-style permissions work!! I have had no problems at all in this area. However, if you are operating in a single user environment where permissions access is not an issue, then it makes sense to keep things simple and just set 'Ignore permissions' for the external drive.
Keith has also mentioned that some problems have been reported with Journalling enabled on an external volume. Again, I have not experienced this problem with Capture One. The only time I have seen journalling issues was when there was a hardware problem with the firewire bridge for a specific drive. I was actually grateful for the error message that journalling showed, as it highlighted the hardware problem. So personally, I would recommend you keep journalling on your external drive . Either way, if you do experience problems (and I personally doubt that you will), journalling can easily be turned off using the Terminal without a reformat of the drive.
2) Ensure that your sessions are 'Type 1' sessions created using the default session template (using Template: SessionFolder under the Organise:New Session Tool). This will create Capture and Process folders with relative URLs which can be readiy transferred to different disk drives.
If you create a 'Type 0' session by specifying a specific capture or processing folder, then the session structure uses absolute folder paths, which cannot be transferred to a different drive without modification.
Best wishes,
Jason0 -
Thanks Ulf and Jason. When I create a session, and I will follow Jason's example of Type 1, it will be on the boot drive for top performance. When I am done with the job, my strategy is to then \"move the entire session\" off the boot drive to my external FW storage drive, where it will stay, and ultimately be backed up. Since it is moving it to a separate volume, I think the OS is actually \"copying\" it to that storage drive, and then I have to actually delete it from my boot drive to keep that clean. Sound right? Do I do this with the PhaseOne organize tool, or just go into my Users>>John>>Pictures>>Session Name and drag that into the trash?
When I need to revisit the session, I then move it back to my boot drive by the usual Mac OS drag and drop then, correct?0 -
John, I would do it in this order:
1) When you have finished with a session, go to the Organise tool in Capture One and select Session:Remove Session from the menu.
2) Switch to the Finder. Hold down the apple key whilst dragging the session folder from your internal -> external drive. This will move the session folder rather than copy (otherwise you will have to manually delete the copy left on your internal drive by dragging it to the trash in the Finder, as you said)
3) When you want to access the session, just add it back to the list in the Capture One organise tool using Session: Add Session. A file selector pops up so you can select the appropriate .session definition file (which is located inside the session folder).
If you only want to access a few files, then I don't see the point in copying the session back to your internal drive. Just access the session directly on the external. It should work fine as long as you have write access to the external drive. If it's a major re-working and your external drive is firewire based, then it would be worthwhile copying the session back to the internal using the Finder.
Jason0 -
Jason, very thouroughly stated. I will print htis out for reference. Not sure what this line means:
\"It should work fine as long as you have write access to the external drive.\"
I am looking at Retrospect Express v6.0 (came with my external FW drives) for back-up of my main external FW drive to my back up external FW drive, but I wonder if Retrospect would be a useful tool to \"move\" the session to my main external FW drive rather than doing the \"finder move\" you discussed.
I understand about leaving the session on the external for work on just a few files vs. moving it back to my internal boot drive for major stuff.
Thanks again!0
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