Found in 1 comment on Hacker News
zepearl · 2020-04-17 · Original thread
I had as well some Seagate drives failing... . (using now only HGST and WD drives - no experience with Toshiba)

Question about ZFS and its RAIDZ: do you have any recommendation (personal experience, links, books, ...) concerning parameters/setup to be used when setting up a RAIDZ(1 and 2)?

I'm new to ZFS and I already had to do a lot of tests when using ZFS only on 1 HDD until I finally managed to get good performance out of it (used by a "Clickhouse" database which itself writes data in a CoW-style => I had to raise the "recordsize" to 2MiB) and I imagine that with RAIDZ it can get more complicated?

I would like to set up a RAIDZ for the database (again, "Clickhouse", which generates multi-GB files) and two more to be used as simple NAS (a main one and a backup, storing files of all sizes).

I searched a lot and found some websites which were "ok", and bought as well 2 tiny books ( https://www.amazon.com/Introducing-ZFS-Linux-Understand-Stor... and https://www.amazon.com/ZFS-Linux-Administration-William-Spei... ) but the books were mediocre and the informations I found in the web were sparse and a bit oldish.

Cheers

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