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Old 08-11-2009, 02:40 PM   #1
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Removeing the RAID from an EXT2 Partition

This might be a longshot but i used to use the 4 bay NAS here Which formated the HDD JBOD array to EXT2 , Anyway i want to move to an 8 bay DAS now but i cant find an application to convert the partitions .

Partition magic says the partitions are unformatted and the partition id is set to linux raid auto . Is there any way to convert this partition to vanilla EXT2 so i can use partition magic on it ?

Its a 4TB array so copying isnt possible.
Old 08-12-2009, 06:51 AM   #2
Registered: Jul 2009
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Almost certainly not. The on-disk formats for RAID are, to say the least, not formalized. If it's using standard Linux RAID, maybe you can mount it under a Linux system, but the odds that you'll find software that can do anything as complex as turn that into a non-RAID filesystem in-place are probably zero. Think about it, that's an incredibly difficult task - you're taking however many TB of data that's spread across four disks and trying to get it into a fresh filesystem when the largest you can make is the size of only one disk. Since it's JBOD, you can't even cut a disk out and use your array degraded, so you're probably limited to copying.

Possible solution: if your DAS supports expanding a JBOD configuration, you can half-populate it, copy all the data, and then add the remaining disks. Other than that, I think you're gonna have to find a friend with 4 TB of storage you can borrow.


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