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Using disc spanning for RAID array (lemmy.world)

submitted 2 years ago by qaz@lemmy.world to c/selfhosted@lemmy.world

9 comments fedilink hide all child comments

I'm planning on building a new home server and was thinking about the possibility to use disc spanning to create matching disk sizes for a RAID array. I have 2x2TB drives and 4x4TB drives.

Comparison with RAID 5

4 x 4 TB drives

1 RAID array
12 TB total

4 x 4 TB drives & 2 x 2 TB drives

2 RAID arrays
14 TB total

5 x 4* TB drives

Several 4TB disks and 2 smaller disks spanned to produce a 4 TB block device
16 TB total

I'm not actually planning on actually doing this because this setup will probably have all kinds of problems, however I do wonder, what would those problems be?

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[–] Decronym@lemmy.decronym.xyz 2 points 2 years ago* (last edited 2 years ago)

Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:

Fewer Letters	More Letters
LVM	(Linux) Logical Volume Manager for filesystem mapping
RAID	Redundant Array of Independent Disks for mass storage
ZFS	Solaris/Linux filesystem focusing on data integrity

3 acronyms in this thread; the most compressed thread commented on today has 17 acronyms.

[Thread #788 for this sub, first seen 5th Jun 2024, 22:35] [FAQ] [Full list] [Contact] [Source code]