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Old 12-23-2008, 11:52 PM
gantte gantte is offline
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Join Date: Dec 2008
Location: Cary, NC
Posts: 6
Hi, first the setup introduction.
I'm using a macbookpro 2.4 GHz Intel Core 2 Duo, Leopard 10.5.6.
My internal disk is Hitachi HTS723232L9A360 (320GB 7200rpm SATA)

I bought my SuperDuper! about 2 weeks ago. I bought another identical Hitachi raw drive (identical to the internal disk above) from OWC and also a case for the drive. The case is an AMS Venus DS2 model 2215SESBk (SATA internal to eSATA+USB2.0)

I connect the external Hitachi via the USB 2.0 connector, as the macbookpro does not have eSATA connections.

This combo works flawlessly with SuperDuper!. It initially formatted using Disk Utility as Mac OS Extended Journaled. Then I did the initial SuperDuper! Erase, full copy and make disk bootable. Since I don't know the magic key code to select an alternative boot volume on power up, I use System Preferences --> Startup Disk and the external disk is recognized, I select it and the system reboots from the external disk.
FM! (F*g magic!) As it should work!

Now, today I was in Sam's and found a real deal on a Maxtor OneTouch 4 Mini. This is also a 320GB disk, and with the same USB 2.0 to USBmini connector. I formatted Mac OS Extended Journaled, and let SuperDuper! have it's next two hours doing the initially Erase, Copy all and make bootable.

Unfortunately, when this finished, this Maxtor OneTouch was NOT recognized as a valid Bootable disk using System Prefs --> Startup Disk. So I tried then to recopy the data, but this time using Smart Update. This took less than 10 minutes and I verified in the Log that the disk was set to be bootable.

Still I cannot see the Maxtor OneTouch as bootable.
Here is the info from System Profiler:
OneTouch:
Capacity: 298.09 GB
Removable Media: Yes
Detachable Drive: Yes
BSD Name: disk1
Product ID: 0x7350
Vendor ID: 0x0d49
Version: 1.25
Serial Number: ----------
Speed: Up to 480 Mb/sec
Manufacturer: Maxtor
Location ID: 0xfd100000
Current Available (mA): 500
Current Required (mA): 100
Mac OS 9 Drivers: No
Partition Map Type: MBR (Master Boot Record)
S.M.A.R.T. status: Not Supported
Volumes:
GanttBackup2:
Capacity: 298.09 GB
Available: 160.21 GB
Writable: Yes
File System: Journaled HFS+
BSD Name: disk1s1
Mount Point: /Volumes/GanttBackup2


If I unplug the Maxtor, using the SAME USB CABLE and plug in my external Hitachi, it spins up, mounts and is recognizable with Startup Disk. Here is the info from Profiler from the Hitachi:

JM20336 SATA, USB Combo:
Capacity: 298.09 GB
Removable Media: Yes
Detachable Drive: Yes
BSD Name: disk1
Product ID: 0x2336
Vendor ID: 0x152d (JMicron Technology Corp.)
Version: 1.00
Serial Number: ---------------
Speed: Up to 480 Mb/sec
Manufacturer: JMicron
Location ID: 0xfd100000
Current Available (mA): 500
Current Required (mA): 2
Mac OS 9 Drivers: No
Partition Map Type: GPT (GUID Partition Table)
S.M.A.R.T. status: Not Supported
Volumes:
GanttBackup:
Capacity: 297.77 GB
Available: 160.15 GB
Writable: Yes
File System: Journaled HFS+
BSD Name: disk1s2
Mount Point: /Volumes/GanttBackup 1

Any ideas on why the external USB connected Hitachi is bootable and the external USB connected Maxtor OneTouch is not bootable?

In comparing the two profiles of these drive, I note that the Partition map type of the Maxtor that is not seen as "bootable" is: MBR (Master Boot Record).

While the Partition map type of the Hitachi is: GPT (GUID Partition Table)
This *is* seen as bootable.

Thoughts?

Finally, thank you for a wonderful backup tool.
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