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#1 2015-02-21 14:20:28
- solskogen
- Member
- From: Norway
- Registered: 2005-03-06
- Posts: 144
Need advice on a raid5 setup
Hi!
I have three 4TB ST4000VN000 drives (Seagate NAS HDD) that I want to setup in RAID5 using mdadm. The raid is going to be mounted on /data, so I have no need for booting from them (if that's even possible?)
But I'm unsure how to setup this correctly.
Should I use GPT on the disks? On the raid-device (/dev/md0)? Both?
How about 4k boundaries?
Should I create partitions on the disks and make the partitions members of the raid or use disks directly?
What about chunk-size and mkfs.ext4 options?
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#2 2015-02-21 18:02:03
- teateawhy
- Member
- From: GER
- Registered: 2012-03-05
- Posts: 1,138
- Website
Re: Need advice on a raid5 setup
Almost all of your questions are answered here:
https://wiki.archlinux.org/index.php/RA … tion_Table
Read it and mark the questions that are answered by it.
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#3 2015-02-21 21:46:26
- R00KIE
- Forum Fellow
- From: Between a computer and a chair
- Registered: 2008-09-14
- Posts: 4,734
Re: Need advice on a raid5 setup
If you don't plan to split the drives and resulting md device I believe you can do without partitions, just do all the steps on the drives directly instead of on partitions on the drives.
R00KIE
Tm90aGluZyB0byBzZWUgaGVyZSwgbW92ZSBhbG9uZy4K
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