So my first decision is lsi 92868e vs zfs with hba. No remote ipmi management, still nonecc memory, will eventually have to upgrade since mobo wont support raid card, etc option 2 sell used hardware including the raid card, build nas box with good server equipment. I want a two drive fail recovery, raid 6 or what ever freenas uses for that. Hardware raid will cost more, but it will also be free of software raids. Instead, it has the software raid but the software raid requires 5 hdds. Nas set up, hardware raid vs freenas or nas4free h. With a sas hba you could pass the drives through to the os and manage at the software level freenas, storage spaces, etc. So after getting some community feedback on what disk configuration i should be using in my pool i decided to test which raid configuration. It is a way to virtualize multiple, independent hard disk drives into one or more arrays to improve performance, capacity and reliability. I currently have a dedicated miniitx box running freenas 9. Since im using freenas, im thinking of using a solid state drive for a zls. Hardware raid strongly discouraged ixsystems community. Raid redundant array of independent disks is one of the popular data storage virtualization technology. Out of curiosity, i decided to run the iozone tests i performed with a raid 10 see this post on a raidz and compare it to the raid 5 of the hardware raid controller.
Hardware raid 5 should not be used with hdd larger than 1tb. I have a server with 16 gb ram and 4x1tb hdds configured as raid 10. A raid can be deployed using both software and hardware. This way you can easy replace devices if they are hot swappable, manage new pools and so on. Software raid under linux is pretty stellar feature, and its cpu cost, especially with current hardware, is neglible. Put xfs or even well set ext3, lvm2 on top of it, and you have very flexible solution open for expansion in the future. Any environment that uses microsoft software and hardware should run with a windows server infrastructure behind it. Zfs is the best parity raid implementation on the planet and when we state the horror numbers for raid 5 we do it assuming zfs so that no one can dispute the numbers and if you run anything besides zfs for parity raid the risks actually increase. The raid can be implemented either using a special controller hardware raid, or by an operating system driver software raid. Cheap hardware raid is really software raid disguised. If you want a middlerange qnap, sinology, netgear they have an awesome product with powerful features, but you need to buy the hardware and software from them, with fewer options, and very basic support.
Synology software on a custom built nas the appeal of building your own network attached storage device nas rather than buy a prebuilt unit from a toptier brand like synology can be very tempting. Windows software raid vs hardware raid 10 posts arlesterc. I also have a separate server running esxi that im hopefully going to transition to proxmox in the near future. Selfbuilt nas wfreenas and a hardware raid controller guys, i am just starting to do research and spec out a desktop nas freenas but as i read more into it i found that mobo raid controllers i plan to do 4x3tb raid5 are considered evil of all sorts, so they encourage people to get a controller. So you would be advised to go hardware raid if you chose windows, which would be more expensive because of raid controller and os cost. Freenas supports windows, macos and unix clients and various virtualization hosts such as xenserver and vmware using the smb, afp, nfs, iscsi, ssh, rsync and ftptftp protocols. The hardware configuration of the system is typically raw disks jbod connected to the pool. Another advantage of freenas in terms of hardware is the fact that normally synology nas imposes a limit on the maximum memory, that you do not find in a custom built pc or freenas server. Before raid was raid, software disk mirroring raid 1 was a huge profit generator for system vendors, who sold it as an addon to their operating systems. Unraid vs freenas vs openmediavault, which is the best nas software in 2019 see drives down below in description. While freenas will install and boot on nearly any 64bit x86 pc or virtual machine, selecting the correct hardware is highly important to allowing freenas to do what it does best. Whether software raid vs hardware raid is the one for you depends on what you need to do and how much you want to pay. It is used to improve disk io performance and reliability of your server or workstation. I am about to reemploy some antiquated hardware to add storage and have come to a chicken vs.
Freenas generally has steeper hardware requirements than unraid. I have a a dell poweredge 2900 with a perc h700 raid controller, 48gb of ram, 8x3tb hdds. In this video from the lustre user group 20, alan poston from xyratex presents. Finally moving forward with the nasserver i have been talking about doing.
Freenas is a trusted and robust operating system for your network attached storage nas. Nas set up, hardware raid vs freenas or nas4free hardforum. The drives are configured, so that the data is either divided between disks to distribute load, or duplicated to ensure that it can be recovered once a disk fails. Using hardware raid in addition not only does not make things better, it makes things worse with extra unnecessary hardware and software layers between zfs and the drives. Windows software raid vs hardware raid ars technica. Raid1 for startup disks, iscsi exporting lvm2software raid5 over 5. Scott lowe responds to a techrepublic discussion and one members raid dilemma. Dell poweredge t610 storage configuration dell community. Zfs raid is of a software nature but its integrated as part of the running system. Hardware raid and implications for the future youtube. It is licensed under the terms of the bsd license and runs on commodity x8664 hardware.
Windows, freenas, esata, port multipliers, nonit raid. Imho, im a big fan of kernel developers non directly related to zfs, so i really prefere mdadm to hardware raid. Freenas is a free and open source network attached storage nas software based on freebsd. In testing both software and hardware raid performance i employed six 750gb samsung sata drives in three raid configurations 5, 6, and 10. Zfs is the best parity raid implementation on the planet and when we state the horror numbers for raid 5 we do it assuming zfs so that no one can dispute the numbers and if you run anything besides zfs for parity raid the risks actually. If you need an enterprisegrade nas, you would go with an hpe or dell because of the support, not the features. Difference between hardware raid and software raid. Benefits and drawbacks of hybrid, hardwareassisted software raid. The company behind it, ixsystems, has been around since the dot com era and has made a name for itself in terms of both the hardware it delivers and the software like freenas that is shipped with it. But the real question is whether you should use a hardware raid solution or a software raid solution. Software raid, as you might already know, is usually builtin on your os and unlike a hardware raid, you will need to spend a little extra on a controller card. Ive worked in organisations in the past that have used windows pcs and no server behind them and it causes a huge number of problems in terms of time to manage. Top hardware components for freenas nas servers freenas is a freebsd based storage platform that utilizes zfs. If you are considering raid 5 youll want to lean more heavily towards zfs software raid vs.
I wasnt aware third party software raid options like flexraid existed. Potentially able to upgrade the hardware to another freenas box. In zfs the raid5 idea exists as raidz, its the same parity idea. Freenas raid xpenology how to install synology dsm on your custom built nas. If you are talking about rebuilding, a zfs system will only rebuild the actual data on disk, rather than the full disk in the case of a hardware raid card. Additionally, hardwareassisted software raid usually comes with a variety of drivers for the most popular operating systems, and therefore, is more os independent than pure software raid. The freenas community is full of guys who killed their zpools with malfunctioning server memory or inappropriate power supplies. Use freenas with zfs to protect, store, and back up all of your data.
And imho zfs in freenas is not ready for enterprise. Here are some tips on raid levels and some feedback on the software vs. One of them will be used for the os and cant be used for other raid configuration. First, youll need to be running 64bit hardware, as 32bit isnt supported at all. When setting up a raid array, common knowledge says that hardware raid is preferable to software raid. Freenas raid selection hardware vs software solutions. Comparing hardware raid vs software raid setups deals with how the storage drives in a raid array connect to the motherboard in a server or pc, and the management of those drives. Solved hardware raid to software raid ixsystems community. Selfbuilt nas wfreenas and a hardware raid controller. The pool can then be configured to the particular raid level, depending on your needs.
The hardware raid card has no insights into what file system or data you have on the disk. Zfs has a selfhealing mechanism which only works if redundancy is performed by zfs. Lsi 92618i raid only, no itmodejbod running a sas array of its own. As part of this transition, im planning on virtualizing my nas on. The server i want comes with an adaptec 5805 hardware raid card. But with budget favoring the software raid, those wanting optimum performance and. Windows is unacceptable when it comes to software raid. I would take a look at using windows software raid vs. I am still learning how the freenas pool expansion works and it.
What is the difference between a software and hardware raid. So i use hardware raids on my esxi hosts for local storage, and have freenas with zfs softraid on a whitebox server, for generic bulk data storage. Raid stands for redundant array of inexpensive disks. But my problem has been if i should be doing software raid with freenas raidz2 ie. A redundant array of inexpensive disks raid allows high levels of storage reliability. Can i use the jbod option on the raid card, or do i have to buy a. Freenas guide, freenas linux, freenas plex, freenas.
Freenas is free and seems to have a lot of community support out there, but the ability of unraid to allow random additions of drives and simple setup it appealing as well. Raid 6 or if i should invest in pcie card to raid it. The fact that it uses a thoroughly enterprise file system and it is free means that it is extremely popular among it professionals who are on constrained budgets. Freenas is a free and opensource networkattached storage nas operating system based on freebsd and the openzfs file system. In a hardware raid setup, the drives connect to a special raid controller inserted in a fast pciexpress pcie slot in a motherboard. Its primary uses will be as a nas, a plex server, and running game servers. But in order to expand a raidz3, you need to add at least 4 drives at a time, and you should add more to form an entire additional raidz3 vdev. Zfs best practices with hardware raid server fault. It combines multiple inexpensive, small disk drives into an array of disks in order to provide redundancy, lower latency maximizing the chanc.
Your system will be much faster if you invested that money on disks, memory, and cpu. Software raid vs hardware raid hard disk drives hdd. But it cant do raid 6, only the standard raid 0,1, 5, 10. Hardware redundant array of inexpensive disks raid and software raid are two main ways for setting up raid system. I could roll centos, but that might require a bit more setup than going with something like nappit or freenas nas4free.
Therefore, hardware raid is not needed and should not be used with freenas. Soft possibly the longest running battle in raid circles is which is faster, hardware raid or software raid. So after getting some community feedback on what disk configuration i should be using in my pool i decided to test which raid configuration was best in freenas. Deciding between hardware and software raid in my freenas. Zfs with raidz3 with compatible hardware is probably a cheaper solution, beterperforming in terms of hardware and better data survivability for the large disks and the storage requirement. Freenas is the simplest way to create a centralized and easily accessible place for your data. With dedicated raid controller all this will happen in the processor of the controller. Can i use nappit or freenas nas4free with hardware raid or will this be asking for trouble.
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