Pro Tools|HD for Mac OS X Hard Drive Minimum Requirements
Storage requirements have not changed from previous versions of Pro Tools. As with all Pro Tools systems, drive performance depends on a number of factors, including track count, edit density, CPU speed, single or dual processors, and the use of crossfades or processing like Beat Detective. For sessions with high edit density, we recommend the following configurations. Testing has been conducted using Digidesign's DigiDrives and Avid MediaDrives. Performance with other drives may vary.
Macintosh Journaled File System Now Recommended for Pro Tools
Mac OS X 10.3 incorporates a journaled file system, which will automatically log any file modifications. If your computer crashes badly enough to require a restart (or a restart from a power failure), the OS will then use the journal to aid in fixing any disk problems caused by the crash.
Mac OS X 10.3 ships with journaling on by default. Digidesign now recommends that customers format their media drives with journaling turned on. When using Apple"s Disk Utility program to format drives, Digidesign recommends choosing "Mac OS Extended (Journaled)" format, instead of "Mac OS Extended."
To enable journaling on an existing drive:
If you want to turn journaling off for any reason, select the volume and choose "Disable Journaling" or Command +J in the File menu of Disk Utility. Note that disabling journaling will slow recovery if your system has to be rebooted to recover from a kernel panic or power failure.
Optional Digidesign & Avid Storage
Not compatible with Power Mac G5 or tested with Pro Tools 6.9:
SCSI Hard Drives
Additional SCSI Requirements for Pro Tools Systems
Note: partitioning is not an option using the Erase command. To increase performance and improve seek time Digidesign recommends that you allocate a portion of your hard drive for recording. In Pro Tools, Choose Setups/Preferences and click Operation. Under the Open Ended Record Allocation option, select Limit To and enter a number of minutes to be allocated.
ATTO ExpressPCI Configuration Tool
You must install this if you are using a Digidesign SCSI|128 or ATTO EPCI-UL3D SCSI Host Bus Adapter card with a Mac OS X system.
The cards listed above control the flow of SCSI data to and from your computer, and they must have the proper firmware and be set correctly for maximum performance. If you are using one of these cards, you will need the ExpressPCI Configuration Tool. The ATTO ExpressPCI Configuration Tool can be downloaded from the ATTO website:
The Configuration Tool will allow you to update your firmware and set up your SCSI host bus adapter correctly. For important information on how to update your firmware for Mac OS X 10.3 "Panther" compatibility, please see the ATTO Utilities Read Me:
Supported SCSI Cards and Settings
Hard drive families from the following manufacturers are recommended:
* First generation DigiDrives are not supported in LVD mode
Approximate Storage Consumption (Megabytes per Minute per Track)
As with all Pro Tools systems, drive performance depends on a number of factors, including track count, edit density, and the use of crossfades or processing like Beat Detective. For sessions with high edit density, we recommend the following configurations. Testing has been conducted using Digidesign DigiDrives and Avid MediaDrives. Performance with other drives may vary.
SCSI Drives Approximate Track Counts
for Power Mac G4, Dual 1.25 GHz model
SCSI Drives Approximate Track Counts for Power Mac G5
SATA Hard Drives
SATA drives are qualified for up to 32 tracks at 44.1/48 kHz with Pro Tools|HD and Pro Tools|HD Accel systems on Power Mac G5 models.
IDE/ATA Hard Drives
IDE/ATA drives meeting the following requirements are qualified for up to 32 tracks at 44.1/48 kHz with Pro Tools TDM systems:
FireWire Hard Drives
The DigiDrive FireWire 80 and Avid MediaDrive rS80 have been qualified with Pro Tools|HD and Pro Tools|HD Accel systems for the following:
FireWire Drives Approximate Track Counts:
* Track/voice count at 44.1/48 kHz may vary depending on CPU speed and processor count.
For more information and specific requirements for using FireWire drives, see FireWire Drive Requirements
Known Issues - Hard Drives & Pro Tools 6
32-Bit vs. 64-Bit Chassis
Important Note About Mixing Drive Types With Pro Tools|HD Systems
FW800 Drives - Currently Not Supported With Pro Tools 6.2.3, 6.4, 6.6, 6.7 or 6.9
FW800 Drive Approximate Track Count with Pro Tools 6.2: