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Thread: Raid 5 Software RAID Question
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- Join Date
- Jan 2006
Raid 5 Software RAID Question
The problem is, I am wanting to create a RAID5. I have the extra hard drive ready. The hardware really isn't the issue, its the data portablity. I know that if one drive failes, I can just hot swap it (i have hot swap bays). The problem is, what if the OS fails? What if I decide I need to reinstall the OS due to OS related issues?
Do I lose that RAID5 because its sofware? Do the disks remain in the same state, and when the reinstall of the OS I can just add them to a mdadm array or does it reformat the array? (the disks in the RAID would not be formatted or touched in the reinstall .. ) If so, that would defeat the point, because I would literally have to take the array .. back it up .. and then put it back on the array.
So my overall question is:
By an OS reinstall, can I readd and preserve a software raid without losing any data?
PS - here is how my disks are setup:
1 x 20GB IDE (OS)
3 x 250GB SATA II hdd (Raid5)
Thanks in advanced.