View It Now for SNAP OS 4.X

The original SNAP NAS devices were developed by SNAP Appliance.  The operating system that was used was a flavor of BSD in concert with the file system UFS.  Although the file system looks very similar to the original UFS there were some subtle … [Read more...]

Analyzing RAID parity

Last time I discussed how to find the RAID data offset for a SNAP OS 4.x RAID handler. To put it briefly it was just a simple matter of finding Cylinder Group zero on the first drive in the array and back tracking 48 sectors. Once the RAID data … [Read more...]