What's the best storage solution with 16gb ram? UFS vs ZFS

[Jonah]

Hi all,

I just bought a n54l hp microserv, and heard that the max ram I can put in it is 16Gb ECC.
Now I'd like to be abble to store a max of data ( 4 to 6, 6Tb drives...)

What I heard from ZFS ram requirements is: 4Tb to 8Tb for the system +1Gb/1Tb storage and that this rule is for both performances AND security purposes. I cannot meet those requirements with my hardware seeing the quantity of storage I want so unless you have an other opinion on ZFS I have to skip to something else.

What I heard from UFS ram requirements is: less ram than ZFS but never any estimation.

I'm not sure but I think I have too simple needs to loose anything by using ufs instead of zfs...

My question: I try to put together a homeserver to centralize my pictures movies, music... I need to store as much as 24Tb RAID5, with 16Gb ram. Would UFS be a viable alternative?

Thanks to take interest in my question,
Jonah

 

[Ericloewe]

UFS is a terrible idea, especially since you have plenty of RAM for a home system.

You'll probably want to go with RAIDZ2 instead of RAIDZ1, though.

 

[Jonah]

Thank you for taking time, I was wondering because ZFS is said for my sistem to require 8gb for system + 24gb for storage purpose wich make 32Gb total !

Do you confirm that 16Gb is in fact enough ? What would I loose by using UFS ?

 

[dlavigne]

What would I loose by using UFS ?

The ability to keep FreeNAS up-to-date. UFS has been deprecated in 9.3.

 

[Ericloewe]

Thank you for taking time, I was wondering because ZFS is said for my sistem to require 8gb for system + 24gb for storage purpose wich make 32Gb total !

Do you confirm that 16Gb is in fact enough ? What would I loose by using UFS ?

It's a rule of thumb, not a mandate. Look around, most people are running with 16GB of RAM.

Besides the lack of support, you lose everything that makes ZFS great. Especially data integrity.

 

[Jonah]

Ok Thank you very much, I'll go for it, and I'll take a look at RAIDZ2, I don't know very well all kind of RAID, so I'll look into it !

 

[Ericloewe]

Ok Thank you very much, I'll go for it, and I'll take a look at RAIDZ2, I don't know very well all kind of RAID, so I'll look into it !

Read Cyberjock's guide (link is in my sig).