Blog Archives

unRAID vs FlexRAID vs SnapRAID

There is an interesting thread over on the AVS forums discussing the pros and cons of unRAID, FlexRAID and SnapRAID. They all have their advantages and disadvantages, and the following post bullet points them nicely. Realtime protection: unRAID and FlexRAID

Posted in FlexRAID, RAID, SnapRAID, unRAID


There’s been a bit of confusion recently about FlexRAID and NZFS. Brahim, the main developer, is aware and tried to explain the differences: FlexRAID is a concept and not a product in itself. The core essence of that concept is flexibility

Posted in FlexRAID, RAID

A first look at NZFS and replacing unRAID with NZFS’s Transparent RAID (tRAID)

Brahim has added a blog post explaining  NZFS (Next-Generation Zion File System) and going into the the typical data storage problem: Optimal Capacity vs Optimal Performance vs Optimal Protection NZFS can deal with the above limitations and “NZFS is implemented as

Posted in Data Storage, RAID, Storage Technology, unRAID

iSCSI to the Rescue

Most RAID-class NASes have supported iSCSI for some time and iSCSI (Internet Small Computer System Interface) has been around for awhile and was developed as a SAN (Storage Area Network) protocol. You can think of iSCSI as a way to provide computers with the

Posted in iSCSI

Experimental RAID 5 and 6 support in Btrfs

Chris Mason has released experimental Btrfs extensions which enable the file system to natively support RAID 5 and 6 in addition to the existing RAID 0 and 1 support. Mason is lead developer of the file system, which has long

Posted in File Systems


Thanks for visiting where we focus (now) on building, installing and configuring your own NAS and media streaming devices. Most it open source related, but we have a soft spot for FreeBSD based systems.

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