Category Archives: LTFS

LTFS Podcasts

Posted in architecture, LTFS | Leave a comment

Bridging ExpressCard to PCIe for LTO

In the mid-1990’s I worked as a photoshop jockey for the Sydney Morning Herald and other Fairfax Media newspapers. At that time we would regularly send a photographer into the field with a large Pelican case that held a digital … Continue reading

Posted in data storage, demo, file-system, hardware, LTFS, open source, os x | Leave a comment

And the Emmy goes to…    LTFS

OMFG! My project won an Emmy! The Academy of Television Arts & Sciences has announced the recipients of the 63rd Primetime Emmy® Engineering Awards. This year, one of four Engineering Emmys will be awarded one of which goes to IBM … Continue reading

Posted in award, emmy, ibm, LTFS, uncategorized | 6 Comments

LTFS Format Specification and Open-Source

In an earlier post I mentioned that prior to the introduction of LTFS an application typically relied on proprietary APIs to read and write data tape. These proprietary APIs typically have used proprietary data formats on the tape media. These … Continue reading

Posted in data storage, LTFS, open source, specification | 4 Comments

Filesystem recovery examples with ltfsck

In addition to the filesystem implementation, the Linear Tape File System (LTFS) software ships with two core utilities, “mkltfs” and “ltfsck”. mkltfs (pronounced “make LTFS”) is used to format LTO cartridges with the LTFS Format. ltfsck is used to check … Continue reading

Posted in data safety, data storage, LTFS | 2 Comments

LTFS consistency and Index snapshots

An LTFS Volume must be in a consistent state when the volume is exchanged with another LTFS system. The LTFS Format Specification defines consistent state as: “A volume is consistent when both partitions are complete and the last Index Construct … Continue reading

Posted in data safety, data storage, LTFS, resiliency | 3 Comments