From 8b66a95abc9dc000bf656144644b29153b30a073 Mon Sep 17 00:00:00 2001 From: godp21 <godp21@inf.ufpr.br> Date: Mon, 24 Apr 2023 11:10:46 -0300 Subject: [PATCH] ident etc --- ZFS-RAIDs.md | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/ZFS-RAIDs.md b/ZFS-RAIDs.md index d0db45b..a3cea09 100644 --- a/ZFS-RAIDs.md +++ b/ZFS-RAIDs.md @@ -75,9 +75,8 @@ It's important to know that a RAID0 and RAID1 requires at least two disks, and a ## Cache in ZFS ### Read caching: -- ARC (**A**daptive **R**placement **C**ache) +ARC (**A**daptive **R**placement **C**ache) +: Simple RAM cache, hot data blocks are stored in memory for faster acces, ZFS tries to fill all RAM disponible at max, if max level is achieved, oldest blocks gets flushed from memory and needs to be taken in the disk if a read operation requires then again. -Simple RAM cache. -- L2ARC (**L**evel **2** **ARC**) - -Adds SSDs in cache flow so oldest data removed from RAM gets on a faster device than hard drives. +L2ARC (**L**evel **2** **ARC**) +: Adds SSDs in cache flow so oldest data removed from RAM gets on a device faster than hard drives. -- GitLab