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What I like about ext4 and xfs is that they are relatively simple and have a clearly defined set of capabilities that anyone can understand (within reason). Th
by gerdesj 7y ago
What I like about ext4 and xfs is that they are relatively simple and have a clearly defined set of capabilities that anyone can understand (within reason). They are not volume managers or anything else fancy (I have LVM/md etc for that). However, if I do have a machine that is not housed on a hypervisor with a SAN or other decent RAID then I still go for simple.
I do use zfs in preference to ufs on my pfSense boxes running non RAID on mSATA type storage but that is not a scientific choice but based on some quite iffy hearsay.
I have my opinion and you have yours. When it comes to filesystems then I want simple (and good backups.) Fast is nice but reliable is better. If I want faster I buy a bigger RAID controller or whatever.
- TheDong 7y agoUnfortunately ext4 and xfs are fast, but not reliable. They don't have data-checksumming, so it's very hard to know when you need to go to your backups. Their backup options are drastically more complex because there's no way to take an atomic snapshot. The complexity of data-integrity and backups are pushed a layer up, whereas more complex filesystems manage data-integrity and atomic snapshotting themselves, and can do so more easily due to existing at the correct layer.