Why 4K?

George Wilson at ZFS Day For over 30 years, hard drives have designated the smallest storage location as 512 bytes. In January 2011, all major hard drive manufactures began shipping their hard drive platforms using a new standard called Advanced Format. To aid in the transition, these new hard drives provide a 512 byte emulation… Continue reading Why 4K?

SmartOS Operations – Ben Rockwood at illumos Day

On illumos Day http://zfsday.com/about-illumos-day/, Joyent’s own Ben Rockwood http://cuddletech.com/blog/ gave us an in-depth look at the tools and techniques he uses to manage Joyent’s public cloud http://joyent.com/ on SmartOS http://smartos.org/, covering everything from monitoring to configuration management and troubleshooting. Here’s video of the complete talk: 55 minutes of deep devops goodness, packed full of knowledge… Continue reading SmartOS Operations – Ben Rockwood at illumos Day

Hybrid Storage Pools: Using Disk and Flash with ZFS

Adam Leventhal of Delphix speaking at ZFS Day. In 2008, the ZFS Storage Appliance (nee the Sun Storage 7000) was one of the first architectures to add flash SSDs between the existing tiers of disk and memory. The Hybrid Storage Pool (HSP) offered completely new economies, but with both known and unknown idiosyncrasies. Adam Leventhal,… Continue reading Hybrid Storage Pools: Using Disk and Flash with ZFS