124: Clones Can Grow
I’m writing about space usage OpenZFS Mastery.
ZFS offers tools to transparently increase the amount of data you can fit on a disk. Rather than requiring the system administrator to compress and decompress individual files, ZFS uses efficient compression at the filesystem level. While compressing logs during rotation makes the files look smaller in ls(1), it doesn’t change how many disk blocks those logs use. Snapshots and clones let you duplicate entire datasets with only a tiny amount of space. ZFS can also perform deduplication of files, improving disk usage at the cost of memory…
The skinny
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