As I'm getting ready for a move to 21.3 I'm looking into possably "raiding" some of my internal drives.
Boot/root/home drive I always keep out of the raid, and I keep all my actual data on separate drives. Currently everything is jbod ext4 (mnt/a, mnt/b, etc). Backups are good
Since I have 4 data drives (SSDs) turning them into raid5 (mdadm) / raidz (zfs) is do-able.
This is a standard desktop machine (web, email, docs, some gaming, etc), so it's more about getting some level of redundancy with working (as opposed to archival) data. In both cases a strong competitor is just plugging in a usb drive and doing a daily luckybackup (in addition to my weekly). Heck I might do that anyway in addition to raid.
My question revolves around zfs - it appears that it needs a fair amount of tuning to be effective. Is this true? Am I completely overthinking this?
RAID for internal (Data only) drives: ZFS or mdadm
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