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-   -   newbie Q - error on formating external HD (http://www.shirt-pocket.com/forums/showthread.php?t=5347)

rhkmail 06-15-2009 11:20 AM

newbie Q - error on formating external HD
 
Hi, I'm trying Super Duper for the first time. I bought a Maxtor one-touch specifically for Macs. I used disk utility to try to erase it and format it as Mac Os Extended Journaled. Even with a firewire, it took about 10 hours and then at the end I got an error message saying it didn't erase the "volume."
I'm not sure what this means. I copied the log below. Can anyone explain this?
Sorry if this is answered in the discussion boards elsewhere, I couldn't find a search function on this board!
Apologies and thanks!
R

2009-06-14 22:10:50 -0500: Disk Utility started.

2009-06-14 22:15:26 -0500: Can not add disk “OneTouch 4” to the RAID set because this volume is on a disk with Master Boot Record as it's partition map scheme. This partition map scheme is not supported.
2009-06-14 22:16:52 -0500: Preparing to zero disk : “OneTouch 4”
2009-06-14 22:16:52 -0500: Passes : 0
2009-06-15 08:31:26 -0500: Secure Erase completed successfully in 10 hours.

2009-06-15 08:31:30 -0500: Preparing to erase : “OneTouch 4”
2009-06-15 08:31:30 -0500: Partition Scheme: Master Boot Record
2009-06-15 08:31:30 -0500: 1 volume will be erased
2009-06-15 08:31:30 -0500: Name : “OneTouch 4”
2009-06-15 08:31:30 -0500: Size : 931.5 GB
2009-06-15 08:31:30 -0500: Filesystem : Mac OS Extended (Journaled)

2009-06-15 08:31:32 -0500: newfs_hfs: /dev/rdisk1s1: partition size not a multiple of 4K.

2009-06-15 08:31:32 -0500: Volume Erase failed with the error:

The underlying task reported failure on exit.
2009-06-15 08:31:33 -0500: Erase complete.
2009-06-15 08:31:33 -0500:
2009-06-15 08:31:33 -0500: Mounting disk.
2009-06-15 08:31:33 -0500: Could not mount disk1s1 with name after erase
2009-06-15 08:31:33 -0500: Erase complete.
2009-06-15 08:31:33 -0500:

dnanian 06-15-2009 11:45 AM

You need to partition the drive properly for your Mac - as either GUID (for Intel) or APM (for Power PC) before you RAID it.


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