freenas™ - satlug.org · raid-z is similar to raid-5, but prevents the raid-5 "write...
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FreeNAS™
What is FreeNAS?
FreeNAS is an open source storage platform based on FreeBSD and supports sharing across Windows, Apple, and UNIX-like systems. FreeNAS 8 includes ZFS, which supports high storage capacities and integrates file systems and volume management into a single piece of software.
- freenas.org
What is ZFS?
ZFS is an open source combined file system and logical volume manager. It includes features include snapshots, continuous integrity checking, and automatic repair. RAID-Z is similar to RAID-5, but prevents the RAID-5 "write hole" using copy-on-write. RAID-Z2 doubles the parity structure to achieve results similar to RAID-6.
FreeNAS features
FreeNAS features (continued)
Specifications
● FreeNAS supports the same hardware found in the FreeBSD 8.2 Hardware Compatability List
● 1GB Minimum Disk Space for OS, no minimum for RAM (ZFS recommends 1GB per 1TB of storage)
● SMB/CIFS, AFP, NFS, FTP, RSYNC, SSH, iSCSI● Remote Replication, Snapshots, Thin
Provisioning, Fusion-io Drivers, VMware Guest Tools, cron
● S.M.A.R.T., Email Alert, SNMP, WebGUI● Old versions supported bittorrent, UPnP Server,
iTunes/DAAP, and lighttpd webserver. These features should be re-added later.
My FreeNAS Server
LIAN LI PC-Q08B Aluminum Mini-ITX Computer Case $120
Antec EarthWatts EA-380D Green 380W ATX12V PSU $45
Gigabyte GA-D525TUD Intel Atom 1.8GHz Mini-ITX
Motherboard/CPU $90
Kingston KVR1066D3N7 2GB DDR3-1066 RAM $21 each
Lexar JumpDrive Firefly 2GB USB Flash Drive $7
WD Caviar Black 1TB 7200RPM 3.5" Hard Drive $85 each
Intel PRO/1000GT Gigabit PCI Network Interface Card $30
Total Cost: $674~3TB of always-on redundant
storage
Some screenshots of the web control panel...
The End