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Just experimented the same thing with no answers to be found in internet. I had a 4-disk Raid5 with one disk failed. So I wanted to replace the disk. I have the PercH310 in my heavily modified T3600 case so to determine, which disk actually failed I made the mistake and unattached two of them. I taught that when I put the working one back then It'll work ...


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The card you linked to (PERC 6/i controller) is one of two cards supported by that system for RAID (the other being the LSI 1068e for software RAID), both of which require separate cabling to drives (the system can't just "offload" RAID processing to the card while passing traffic through the motherboard's SATA controller). Typically this would be done with ...


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Replacing the two "non responsive" disks solved the problem. The two mirror sets rebuilt, and now all 6 disks are showing activity appropriately. Linear write speed was 257 MB/s after rebuild completion, as should be usual for this array. However, when tested in a USB enclosure, the two "failed" disks had no SMART errors and gave R/W speeds around 100 ...


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Please provide more details about your current raid configuration. If you used all disks for RAID-0, then you'd better backup everything important and start from scratch. But, be aware that you won't be able to create 2 RAID types with 2 disks only. Cheers!


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What firmware is running on your PERC 5? My first guess would be that the option was added to later firmware versions for the PERC 5. If it's heavily out of date; This would likely be the reason. I believe the option may not have even existed until mid-late Perc 6 days or even around the time the H700/800 started coming out. DELL was just kind enough to ...



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