What is safest RAID Configuration to maintain the system without data loss? If you have 6 X 8TB Disk On RAID 10 it has 24TB usage spaces and 1 disk failure reserve and on RAID 6 it has 2 Disk failure reserves.
What is best configuration for safety to maintain server withoud losses?
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Van Gogh
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If don't care about available disk space, you can create a single RAID-1 volume with all your 6 drives if your RAID controller supports that. You can check this post.
If you want to have more effective disk space with good protection or if your RAID controller does not support this number of drives as single RAID-1 array, you can go with RAID-6 array. RAID-6 provides protection against two drives failure.
Khaled
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On Raid 1 have have 5 disk failure reserve? and on raid 6, how can i check how many disk are failed? – Van Gogh Mar 06 '21 at 13:02
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@VanGogh: Using `Raid-1`, you will have `number of disks -1`. Disk status can be checked usually from server management console / BIOS / disk utility and/or whatever tools available. – Khaled Mar 06 '21 at 15:05