. . Choose the unused disk (e. Note that ESXi does not support software RAID implementations. This is a major difference because ZFS organizes and manages your data comprehensively. by default, Proxmox only allows zvols to be used with VMs, not LXCs. Defragmentieren ist in der Tat überflüssig bei SSDs oder HDDS auf CoW FS. zfs is not for serious use (or is it in the kernel yet?). I got 4 of them and. Of course performance is not the only thing to consider: another big role is played by flexibility and ease to use/configure. Remember, ZFS dates back to 2005, and it tends to get leaner as time moves on. And xfs. Prior to EXT4, in many distributions, EXT3 was the default file-system. The ZFS file system combines a volume manager and file. To answer the LVM vs ZFS- LVM is just an abstract layer that would have ext4 or xfs on top, where as ZFS is an abstract layer, raid orchestrator, and filesystem in one big stack. Additionally, ZFS works really well with different sized disks and pool expansion from what I've read. EXT4 is very low-hassle, normal journaled filesystem. If you're planning to use hardware RAID, then don't use ZFS. so Proxmox itself is the intermediary between the VM the storage. Post by Sabuj Pattanayek Hi, I've seen that EXT4 has better random I/O performance than XFS, especially on small reads and writes. 14 Git and tested in their default/out-of-the-box. Get your own in 60 seconds. As you can see, this means that even a disk rated for up to 560K random write iops really maxes out at ~500 fsync/s. B. Proxmox VE Linux kernel with KVM and LXC support Complete toolset for administering virtual machines, containers, the host system, clusters and all necessary resourcesI'm not 100% sure about this. Everything on the ZFS volume freely shares space, so for example you don't need to statically decide how much space Proxmox's root FS requires, it can grow or shrink as needed. I was contemplating using the PERC H730 to configure six of the physical disks as a RAID10 virtual disk with two physical. 4. we use high end intel ssd for journal [. Three identical nodes, each with 256 GB nvme + 256 GB sata. B. Select the local-lvm, Click on “Remove” button. In the directory option input the directory we created and select VZDump backup file: Finally schedule backups by going to Datacenter – > Backups. Sistemas de archivos en red 27. Ext4 and XFS are the fastest, as expected. Unfortunately you will probably lose a few files in both cases. Sorry to revive this. If this were ext4, resizing the volumes would have solved the problem. ago. Key Points: ZFS stands for Zettabyte filesystem. Each to its own strengths. But. Load averages on systems where load average with. I have been looking at ways to optimize my node for the best performance. As modern computing gets more and more advanced, data files get larger and more. All have pros and cons. Btrfs uses Copy-on-Write (COW), a resource management technique where a. The ZFS filesystem was run on two different pools – one with compression enabled and another spate pool with compression. 3. ZFS can complete volume-related tasks like managing tiered storage and. ext4 파일 시스템은 Red Hat Enterprise Linux 5에서 사용 가능한 기본 ext3 파일 시스템의 확장된 버전입니다. ext4 can claim historical stability, while the consumer advantage of btrfs is snapshots (the ease of subvolumes is nice too, rather than having to partition). Btrfs is still developmental and has some deficiencies that need to be worked out - but have made a fair amount of progress. Hello, this day have seen that compression is default on (rpool) lz4 by new installations. 2. 9 /sec. Quota journaling: This avoids the need for lengthy quota consistency checks after a crash. Navigate to the official Proxmox Downloads page and select Proxmox Virtual Environment. The way I have gone about this (following the wiki) is summarized by the following: First i went to the VM page via the proxmox web browser control panel. So I think you should have no strong preference, except to consider what you are familiar with and what is best documented. As putting zfs inside zfs is not correct. g. EXT4 being the “safer” choice of the two, it is by the most commonly used FS in linux based systems, and most applications are developed and tested on EXT4. But. If this works your good to go. The installer will auto-select the installed disk drive, as shown in the following screenshot: The Advanced Options include some ZFS performance-related configurations such as compress, checksum, and ashift or. Ext4 has a more robust fsck and runs faster on low-powered systems. A catch 22? Luckily, no. iteas. 9. For general purpose Linux PCs, EXT4. If there is some reliable, battery/capacitor equiped RAID controller, you can use noatime,nobarrier options. Create a zvol, use it as your VM disk. Step 1: Download Proxmox ISO Image. Compared to Ext4, XFS has a relatively poor performance for single threaded, metadata-intensive workloads. ESXi with a hardware RAID controller. XFS was more fragile, but the issue seems to be fixed. The Proxmox VE installer, which partitions the local disk(s) with ext4, XFS, BTRFS (technology preview), or ZFS and installs the operating system. e. Proxmox Virtual Environment is a complete open-source platform for enterprise virtualization. LVM doesn't do as much, but it's also lighter weight. However, to be honest, it’s not the best Linux file system comparing to other Linux file systems. But: with Unprivileged containers you need to chown the share directory as 100000:100000. But they come with the smallest set of features compared to newer filesystems. Hello in a few threads it has been mentioned that in most cases using ext4 is faster and just as stable as xfs . all kinds for nice features (like extents, subsecond timestamps) which ext3 does not have. remount zvol to /var/lib/vz. As cotas XFS não são uma opção remountable. There are results for “single file” with O_DIRECT case (sysbench fileio 16 KiB blocksize random write workload): ext4 1 thread: 87 MiB/sec. Compared to ext4, XFS has unlimited inode allocation, advanced allocation hinting (if you need it) and, in recent version, reflink support (but they need to be explicitly enabled in. ZFS is nice even on a single disk for its snapshots, integrity checking, compression and encryption support. The process occurs in the opposite. I'm intending on Synology NAS being shared storage for all three of these. Btrfs stands for B Tree Filesystem, It is often pronounced as “better-FS” or “butter-FS. ext4 vs brtfs vs zfs vs xfs performance. Offizieller Beitrag. The first step is to download the Proxmox VE ISO image. Be sure to have a working backup before trying filesystem conversion. If you use Debian, Ubuntu, or Fedora Workstation, the installer defaults to ext4. + Stable software updates. Ext4 and XFS are the fastest, as expected. Well if you set up a pool with those disks you would have different vdev sizes and. The container has 2 disk (raw format), the rootfs and an additional mount point, both of them are in ext4, I want to format to xfs the second mount point. Subscription period is one year from purchase date. In the vast realm of virtualization, Proxmox VE stands out as a robust, open-source solution that many IT professionals and hobbyists alike have come to rely on. The four hard drives used for testing were 6TB Seagate IronWolf NAS (ST6000VN0033. The ID should be the name you can easily identify the store, we use the same name as the name of the directory itself. I don't know anything about XFS (I thought unRaid was entirely btrfs before this thread) ZFS is pretty reliable and very mature. It replicates guest volumes to another node so that all data is available without using shared storage. data, so it's possible to only keep the metadata with redundancy ("dup" is the default BTRFS behaviour on HDDs). [root@redhat-sysadmin ~]# lvextend -l +100%FREE /dev/centos/root. With the noatime option, the access timestamps on the filesystem are not updated. Head over to the Proxmox download page and grab yourself the Proxmox VE 6. ago. LVM is a logical volume manager - it is not a filesystem. The boot-time filesystem check is triggered by either /etc/rc. I have a pcie NVMe drive which is 256gb in size and I then have two 3TB iron wolf drives in. ext4 is a bit more efficient with small files as their default metadata size is slightly smaller. Even if I'm not running Proxmox it's my preferred storage setup. 3 and following this guide to install it on a Hetzner server with ZFS Encryption enabled. The question is XFS vs EXT4. A catch 22?. Run through the steps on their official instructions for making a USB installer. Replication uses snapshots to minimize traffic sent over. LVM-thin is preferable for this task, because it offers efficient support for snapshots and clones. Storage replication brings redundancy for guests using local storage and reduces migration time. Complete operating system (Debian Linux, 64-bit) Proxmox Linux kernel with ZFS support. While RAID 5 and 6 can be compared to RAID Z. The server I'm working with is: Depending on the space in question, I typically end up using both ext4 (on lvm/mdadm) and zfs (directly over raw disks). 8. 1 Proxmox Virtual Environment. It's possible to hack around this with xfsdump and xfsrestore, but this would require 250G data to be copied offline, and that's more downtime than I like. Utilice. Step 4: Resize / partition to fill all space. On xfs I see the same value=disk size. This is a significant difference: The Ext4 file system supports journaling, while Btrfs has a copy-on-write (CoW) feature. 3-based kernel. I don't want people just talking about their theory and different opinions without real measurements in real world. fdisk /dev/sdx. The default value for username is root@pam. I’d still choose ZFS. The compression ratio of gzip and zstd is a bit higher while the write speed of lz4 and zstd is a bit higher. Hi, xfs und ext4 sind beides gute Datei-Systeme! Aber beide machen aus einem raid1 mit 4TB-Sata-Platten kein Turbo. 5) and the throughput went up to (woopie doo) 11 MB/s on a 1 GHz Ethernet LAN. Install Debian: 32GB root (ext4), 16GB swap, and 512MB boot in NVMe. As pointed out by the comments deduplication does not make sense as Proxmox stores backups in binary chunks (mostly of 4MiB) and does the deduplication and most of the. Centos7 on host. I'd like to install Proxmox as the hypervisor, and run some form of NAS software (TRueNAS or something) and Plex. Proxmox runs all my network services and actual VMs and web sites. It replicates guest volumes to another node so that all data is available without using shared storage. Introduction. ext4 on the other hand has delayed allocation and a lot of other goodies that will make it more space efficient. Ext4 ist dafür aber der Klassiker der fast überall als Standard verwendet wird und damit auch mit so ziemlich allem läuft und bestens getestet ist. 2, the logical volume “data” is a LVM-thin pool, used to store block based guest. For large sequential reads and writes XFS is a little bit better. Thanks a lot for info! There are results for “single file” with O_DIRECT case (sysbench fileio 16 KiB blocksize random write workload): ext4 1 thread: 87 MiB/sec. EXT4 is still getting quite critical fixes as it follows from commits at kernel. They provide a great solution for managing large datasets more efficiently than other traditional linear. Elegir entre sistemas de archivos de red y de almacenamiento compartido 1. File Systems: OpenMediaVault vs. Create a VM inside proxmox, use Qcow2 as the VM HDD. I'd like to use BTRFS directly, instead of using a loop. I understand Proxmox 6 now has SSD TRIM support on ZFS, so that might help. Red Hat Training. xfs 4 threads: 97 MiB/sec. How do the major file systems supported by Linux differ from each other?If you will need to resize any xfs FS to a smaller size, you can do it on xfs. Fortunately, a zvol can be formatted as EXT4 or XFS. Here are a few other differences: Features: Btrfs has more advanced features, such as snapshots, data integrity checks, and built-in RAID support. 对应的io利用率 xfs 明显比ext4低,但是cpu 比较高 如果qps tps 在5000以下 etf4 和xfs系统无明显差异。. For really big data, you’d probably end up looking at shared storage, which by default means GFS2 on RHEL 7, except that for Hadoop you’d use HDFS or GlusterFS. The ZoL support in Ubuntu 19. Compressing the data is definitely worth it since there is no speed penalty. 1. BTRFS integration is currently a technology preview in Proxmox VE. sdb is Proxmox and the rest are in a raidz zpool named Asgard. Install Debian: 32GB root (ext4), 16GB swap, and 512MB boot in NVMe. 10!) and am just wondering about the above. ZFS is faster than ext4, and is a great filesystem candidate for boot partitions! I would go with ZFS, and not look back. 2 Unmount and Delete lvm-thin. Home Get Subscription Wiki Downloads Proxmox Customer Portal About. 2. 1) Advantages a) Proxmox is primarily a virtualization platform, so you need to build your own NAS from the ground. xfs_growfs is used to resize and apply the changes. 1 more reply. The one they your distribution recommends. 2 Use it in Proxmox. Results were the same, +/- 10% Yes you can snapshot a zvol like anything else in ZFS. You can mount additional storages via standard linux /etc/fstab , and then define a directory storage for that mount point. g. Adding --add-datastore parameter means a datastore is created automatically on the. Here are some key differences between them: XFS is a high-performance file system that Silicon Graphics originally developed. 6. Btrfs supports RAID 0, 1, 10, 5, and 6, while ZFS supports various RAID-Z levels (RAID-Z, RAID-Z2, and RAID-Z3). Jan 5, 2016. 10 with ext4 as main file system (FS). On lower thread counts, it’s as much as 50% faster than EXT4. 2. XFS still has some reliability issues, but could be good for a large data store where speed matters but rare data loss (e. But I think you should use directory for anything other than normal filesystem like ext4. or use software raid. LVM is a separate volume manager, providing flexibility in storage allocation without ZFS’s advanced features. Funny you mention the lack of planning. The Ext4 File System. Proxmox Filesystems Unveiled: A Beginner’s Dive into EXT4 and ZFS. 2 SSD. 1. If at all possible please link to your source of this information. That is reassuring to hear. xfs is really nice and reliable. XFS. Linux files) and not how they're organized. Once you have selected Directory it is time to fill out some info. One of the main reasons the XFS file system is used is for its support of large chunks of data. Turn the HDDs into LVM, then create vm disk. cfg. It explains how to control the data volume (guest storage), if any, that you want on the system disk. 2. But beneath its user-friendly interface lies every Proxmox user’s crucial decision: choosing the right filesystem. Sorry to revive this old thread, but I had to ask: Am I wrong to think that the main reason for ZFS never getting into the Linux Kernel is actually a license problem? See full list on linuxopsys. Click remove and confirm. 1, the installer creates a standard logical volume called “data”, which is mounted at /var/lib/vz. This is why XFS might be a great candidate for an SSD. 0 /sec. It tightly integrates the KVM hypervisor and Linux Containers (LXC), software-defined storage and networking functionality, on a single platform. ZFS does have advantages for handling data corruption (due to data checksums and scrubbing) - but unless you're spreading the data between multiple disks, it will at most tell you "well, that file's corrupted, consider it gone now". Dude, you are a loooong way from understanding what it takes to build a stable file server. #1 Just picked up an Intel Coffee Lake NUC. ZFS vs EXT4 for Host OS, and other HDD decisions. In doing so I’m rebuilding the entire box. The Proxmox VE installer, which partitions the local disk(s) with ext4, XFS, BTRFS (technology preview), or ZFS and installs the operating system. ext4 ) you want to use for the directory, and finally enter a name for the directory (e. Also, with lvm you can have snapshots even with ext4. If the LVM has no spaces left or not using thin provisioning then it's stuck. Situation: Ceph as backend storage SSD storage Writeback cache on VM disk No LVM inside VM CloudLinux 7. Since we have used a Filebench workloads for testing, our idea was to find the best FS for each test. In Proxmox VE 4. XFS has a few features that ext4 has not like CoW but it can't be shrinked while ext4 can. Even if you don’t get the advantages that come from multi-disk systems, you do get the luxury of ZFS snapshots and replication. 0 is in the pre-release stage now and includes TRIM,) and I don't see you writing enough data to it in that time to trash the drive. The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Is it worth using ZFS for the Proxmox HDD over ext4? My original plan was to use LVM across the two SSDs for the VMs themselves. You can get your own custom. NTFS or ReFS are good choices however not on Linux, those are great in native Windows environment. 3 结论. Unless you're doing something crazy, ext4 or btrfs would both be fine. On my old installation (Upgrade machine from pve3 to pve4) there is the defaultcompression to "on". Linux filesystems EXT4 vs XFS, what to choose, what is better. Install proxmox backup server with ext4 inside proxmox. What's the right way to do this in Proxmox (maybe zfs subvolumes)?8. g. ) Inside your VM, use a standard filesystem like EXT4 or XFS or NTFS. Proxmox VE Linux kernel with KVM and LXC support. ) to do that easily, we can use xfs or ext4 filesystem for this purpose. 1 Login to pve via SSH. From the documentation: The choice of a storage type will determine the format of the hard disk image. 1 Login to Proxmox web gui. WARNING: Anything on your soon to be server machine is going to be deleted, so make sure you have all the important stuff off of it. Btrfs has many other compelling features that may make it worth using, although it's always been slower than ext4/xfs so I'd also need to check how it does with modern ultra high performance NVMe drives. The Proxmox Backup Server installer, which partitions the local disk(s) with ext4, xfs or ZFS, and installs the operating system. I’d still choose ZFS. It's got oodles of RAM and more than enough CPU horsepower to chew through these storage tests without breaking a sweat. "EXT4 does not support concurrent writes, XFS does" (But) EXT4 is more "mainline"The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Installed Proxmox PVE on the SSD, and want to use the 3x3TB disks for VM's and file storage. Sure the snapshot creation and rollback ist faster with btrfs but with ext4 on lvm you have a faster filesystem. btrfs is a filesystem that has logical volume management capabilities. It may consume a lot of RAM if you'll enable deduplication feature, but I think it makes sense only for backup servers and similar storage scenarios, not for casual users/gamers. 1 and a LXC container with Fedora 27. Through many years of development, it is one of the most stable file systems. Tenga en cuenta que el uso de inode32 no afecta a los inodos que ya están asignados con números de 64 bits. No ext4, você pode ativar cotas ao criar o sistema de arquivo ou mais tarde em um sistema de arquivo existente. We assume the USB HDD is already formatted, connected to PVE and Directory created/mounted on PVE. There are plenty of benefits for choosing XFS as a file system: XFS works extremely well with large files; XFS is known for its robustness and speed; XFS is particularly proficient at parallel input/output (I/O. Place an entry in /etc/fstab for it to get. Prior using of the command EFI partition should be the second one as stated before (therefore in my case sdb2). 压测过程中 xfs 在高并发 72个并发情况下出现thread_running 抖动,而ext4 表现比较稳定。. using ESXi and Proxmox hypervisors on identical hardware, same VM parameters and the same guest OS – Linux Ubuntu 20. El sistema de archivos XFS 1. Since Proxmox VE 7 does not offer out-of-the-box support for mdraid (there is support for ZFS RAID-1, though), I had to come up with a solution to migrate the base installation to an. If only a single drive in a cache pool i tend to use xfs as btrfs is ungodly slow in terms of performance by comparison. Ext4 file system is the successor to Ext3, and the mainstream file system under Linux. Various internet sources suggest that XFS is faster and better, but taking into account that they also suggest that EXT4 is. Below is a very short guide detailing how to remove the local-lvm area while using XFS. In terms of XFS vs Ext4, XFS is superior to Ext4 in the following. Between 2T and 4T on a single disk, any of these would probably have similar performance. However the default filesystem suggested by the Centos7 installer is XFS. 2 Navigate to Datacenter -> Storage, click on “Add” button. ZFS is supported by Proxmox itself. • 1 yr. In Summary, ZFS, by contrast with EXT4, offers nearly unlimited capacity for data and metadata storage. Create a directory to store the backups: mkdir -p /mnt/data/backup/. Distribution of one file system to several devices. Select Datacenter, Storage, then Add. To organize that data, ZFS uses a flexible tree in which each new system is a child. However, from my understanding Proxmox distinguishes between (1) OS storage and (2) VM storage, which must run on seperate disks. Samsung, in particular, is known for their rock solid reliability. The EXT4 f ile system is 48-bit with a maximum file size of 1 exbibyte, depending on the host operating system. What the installer sets up as default depends on the target file system. See Proxmox VE reference documentation about ZFS root file systems and host bootloaders . Each Proxmox VE server needs a subscription with the right CPU-socket count. Proxmox VE 6 supports ZFS root file systems on UEFI. In the future, Linux distributions will gradually shift towards BtrFS. Over time, these two filesystems have grown to serve very similar needs. This means that you have access to the entire range of Debian packages, and that the base system is well documented. backups ). Users should contemplate their. com The Proxmox VE installer, which partitions the local disk (s) with ext4, XFS, BTRFS (technology preview), or ZFS and installs the operating system. ZFS was developed with the server market in mind, so external drives which you disconnect often and use ATA to USB translation weren’t accounted for as a use case for it. Maybe a further logical volume dedicated to ISO storage or guest backups?ZFS doesn't really need a whole lot of RAM, it just wants it for caching. Ext4: cũng giống như Ext3, lưu giữ được những ưu điểm và tính tương thích ngược với phiên bản trước đó. ZFS combines a file system and volume manager, offering advanced features like data integrity checks, snapshots, and built-in RAID support. 42. ZFS: Full Comparison. And you might just as well use EXT4. In the table you will see "EFI" on your new drive under Usage column. If you use Debian, Ubuntu, or Fedora Workstation, the installer defaults to ext4. sysinit or udev rules will normally run a vgchange -ay to automatically activate any LVM logical volumes. at previous tutorial, we've been extended lvm partition vm on promox with Live CD by using add new disk. I am not sure where xfs might be more desirable than ext4. 7. EvertM. To install PCP, enter: # yum install pcp. Buy now!I've run zfs on all different brands of SSD and NVMe drives and never had an issue with premature lifetime or rapid aging. It will result in low IO performance. El sistema de archivos ext4 27. As in general practice xfs is being used for large file systems not likely for / and /boot and /var. The step I did from UI was "Datacenter" > "Storage" > "Ådd" > "Directory". I try to install Ubuntu Server and when the installation process is running, usually in last step or choose disk installation, it cause the Proxmox host frozen. Buy now!The XFS File System. J. "EXT4 does not support concurrent writes, XFS does" (But) EXT4 is more "mainline" Putting ZFS on hardware RAID is a bad idea. 3. Besides ZFS, we can also select other filesystem types, such as ext3, ext4, or xfs from the same advanced option. 10. Austria/Graz. Elegir un sistema de archivos local 1. I've used BTRFS successfully on a single drive proxmox host + VM. Watching LearnLinuxTV's Proxmox course, he mentions that ZFS offers more features and better performance as the host OS filesystem, but also uses a lot of RAM. 1. Results were the same, +/- 10%. However Proxmox is a Debian derivative so installing properly is a gigantic PITA. That's right, XFS "repairs" errors on the fly, whereas ext4 requires you to remount read-only and fsck. XFS does not require extensive reading. As PBS can also check for data integrity on the software level, I would use a ext4 with a single SSD. I am setting up a homelab using Proxmox VE. Interestingly ZFS is amazing for. XFS与Ext4性能比较. So you avoid the OOM killer, make sure to limit zfs memory allocation in proxmox so that your zfs main drive doesn’t kill VMs by stealing their allocated ram! Also, you won’t be able to allocate 100% of your physical ram to VMs because of zfs. . QNAP and Synology don't do magic. r/Proxmox. A) crater. For LXC, Proxmox uses ZFS subvols, but ZFS subvols cannot be formatted with a different filesystem. 2k 3. Crucial P3 2TB PCIe Gen3 3D NAND NVMe M. Creating filesystem in Proxmox Backup Server. In the table you will see "EFI" on your new drive under Usage column. And ext3. In doing so I’m rebuilding the entire box. Results seemed. These quick benchmarks are just intended for reference purposes for those wondering how the different file-systems are comparing these days on the latest Linux kernel across the popular Btrfs, EXT4, F2FS, and XFS mainline choices. Create a zvol, use it as your VM disk. What I used for Proxmox is a mix of ext4 and ZFS, both had differing results, but vastly better performance than those shared from Harvester. No idea about the esxi VMs, but when you run the Proxmox installer you can select ZFS RAID 0 as the format for the boot drive. Oct. Replication is easy. My goal is not to over-optimise in an early stage, but I want to make an informed file system decision and stick with that. ext4 is slow. Hi, xfs und ext4 sind beides gute Datei-Systeme! Aber beide machen aus einem raid1 mit 4TB-Sata-Platten kein Turbo. This comment/post or the links in it refer to curl-bash scripts where the underlying script could be changed at any time without the knowledge of the user. ZFS can detect data corruption (but not correct data corruption. It is the default file system in Red Hat Enterprise Linux 7. 2 ensure data is reliably backed up and. After having typed zfs_unlock and waited the system to boot fully, the login takes +25 seconds to complete due to systemd-logind service fails to start. 2) Proxmox 2. This is necessary should you make. MD RAID has better performance, because it does a better job of parallelizing writes and striping reads. resemble your workload, to compare xfs vs ext4 both with and without glusterfs. you're all. BTRFS. Will sagen, wenn Du mit hohen IO-Delay zu kämpfen hast, sorge für mehr IOPS (Verteilung auf mehr Spindeln, z. What you get in return is a very high level of data consistency and advanced features. The installer will auto-select the installed disk drive, as shown in the following screenshot: The Advanced Options include some ZFS performance-related configurations such as compress, checksum, and ashift or. ZFS is faster than ext4, and is a great filesystem candidate for boot partitions! I would go with ZFS, and not look back. They’re fast and reliable journaled filesystems. I'm installing Proxmox Virtual Environment on a Dell PowerEdge R730 with a Dell PowerEdge RAID Controller (PERC) H730 Mini Hardware RAID controller and eight 3TB 7.