Maximizing Storage Efficiency with LIO and TCM Passthru on Linux

LIO (LinuxIO) is the in-kernel iSCSI target (since Linux 2.6.38). Installation. The iSCSI target fabric is included since Linux 3.1. TCMU (TCM in Userspace) allows userspace programs to be written which act as iSCSI targets. This document describes the design. LIO is a SCSI target framework integrated into the Linux kernel, providing a standardized interface for exporting storage devices over various ... LIO is the SCSI target in the Linux kernel. It is entirely kernel code, and allows exported SCSI logical units (LUNs) to be backed by regular files or block ... TCM is another name for LinuxIO (LIO), an in-kernel iSCSI target (server). LIO is the standard open source multiprotocol SCSI target for Linux. The Linux-IO Target (LIO) is an open-source Small Computer System Interface (SCSI) target implementation included with the Linux kernel. Multi-protocol in-kernel SCSI target. Unlike other targets like IET, tgt, and SCST,. LIO is entirely kernel code. LIO, from recently being renamed to TCM, is another independent from SCST implementation of SCSI target framework for Linux.