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Commit 27db5a09 authored by Guiusepe's avatar Guiusepe
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ident etc etc

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...@@ -76,7 +76,7 @@ It's important to know that a RAID0 and RAID1 requires at least two disks, and a ...@@ -76,7 +76,7 @@ It's important to know that a RAID0 and RAID1 requires at least two disks, and a
## Cache in ZFS ## Cache in ZFS
### Read caching: ### 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, 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.
L2ARC (**L**evel **2** **ARC**) L2ARC (**L**evel **2** **ARC**)
: Adds SSDs in cache flow so oldest data removed from RAM gets on a device faster than hard drives. : Adds SSDs in cache flow so oldest data removed from RAM gets on a device faster than hard drives.
[[ -z "$1" ]] && echo "comment needed" && return 1
git add . && git commit -m "$1" && git push
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