Missing or corrupted sample files?
What is sample file and how to get them? A sample file is a working video or photo file created from the same device having the same file format as the corrupted video(s) or photo(s). Ontrack...
Giving You An Inside Look at the Data Recovery Process
I've been working in data recovery for several years, but there are still cases that surprise me. There are many run-of-the-mill days, but there are the days I will always remember. Before I started...
VMFS 5 – Unified Block Size
An interesting piece, “Increasing Storage vMotion Performance with Unified VMFS Block Size” by Chris Wahl, illustrates why having a unified block size on VMFS volumes is important for Storage vMotion...
SSDs: Flash Technology with Risks and Side-Effects
Businesses everywhere are now using SSDs (Solid State Drives) as storage media. According to a new survey by Kroll Ontrack, IT departments are still find error rates, data recovery and secure data...
Recovering Deleted Files: What Impacts Recoverability?
Recently, I’ve received several questions related to the recovery of deleted files. What happens when a file is deleted on a Windows-based system, and what causes those files to be lost and therefore...
Preventing Data Loss During RAID & Drive Rebuilds (Part 2)
This is a follow up to the original article Preventing Data Loss During RAID & Drive Rebuilds (Part 1). Several questions came up about RAID and drive rebuilds and preventing data loss since the...
VMware and NFS – Disconnected, Lost and Saved?
Recently, VMware® and NetApp® identified an issue that affects multiple customers. Customers running ESX 5 can experience issues with NetApp NFS data volumes under high load. Vaughn Stewart detailed...