joshuaboniface/raidisnotabackup
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Joshua Boniface
2022-10-13 09:39:59 -04:00
parent a0fb0f422e
commit 80cb58b762
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There exists a number of file and storage systems with some advanced, RAID-like features. These include ZFS, btrfs, and Ceph. On the surface, these might give you the illuson of protection, but don't be deceived. You can still trash your whole system (or cluster, for Ceph). You can still `rm` files or run other destructive commands accidentally. A fire can still destroy your whole rack. A malicious user could overwrite your database. Even the smartest most advanced storage engine is still susceptable to at least one, and almost always several, fatal failure modes.
There exist a number of storage systems with advanced, RAID-like features, including ZFS, btrfs, and Ceph. On the surface, these might give you the illuson of additional protection, but don't be deceived. Even the smartest most advanced storage engine is still susceptable to at least one, and almost always several, fatal failure modes that can destroy your data.
Like RAID, ADVANCED FILESYSTEMS STILL AREN'T BACKUPS! Just make another copy of the data, okay!?
Just like RAID, advanced storage systems still aren't backups.