SG_EMC_TRESPASS(8)

📦
version 1.49 · 2 versions
, in alpine 3.24, arch rolling, centos-stream 10, debian trixie, fedora 43, fedora 44, nixos 26.05, nixpkgs unstable, ubuntu questing, ubuntu resolute, ubuntu stonking

✨ NAME ✨

okay so this is SG_EMC_TRESPASS(8) 💅 sg_emc_trespass is how you change ownership of a SCSI LUN from another Service-Processor over to this one. Main character energy 👑

🎀 SYNOPSIS 🎀

sg_emc_trespass [-d] [-hr] [-s] [-V] DEVICE

🦋 DESCRIPTION 🦋

bestie, sg_emc_trespass sends an EMC-specific Trespass Command to the DEVICE with whatever options you picked ✨ This Mode Select flips the ownership of the LUN from another Service-Processor to the one that received the command. It's giving handoff 🫶

💜 OPTIONS 💜

Arguments to long options are mandatory for short options as well. Rule of the game, no exceptions 🙈

  • -d — ooh, this one prints some extra debug info while the command runs 🔍
  • -hr — sets the 'Honor Reservation' bit in the command 🔒 If it's set, the trespass only goes through if the Peer SP doesn't have an outstanding SCSI reservation on the LUN. Otherwise it's a no-go 💀 By default, the reservation state gets ignored, so it won't stop you unless you ask it to.
  • -s — sends the short version of the trespass command instead of the long one 🌸 The short version works on the EMC FC5300, FC4500 and FC4700. The long version is the default, and it's supported on the CLARiiON CX and AX family arrays 🧚
  • -V — prints the version string and then bounces ✌️
Heads up, bestie: On the 2.4 series of Linux kernels, DEVICE must be a SCSI generic (sg) device 😭 On the 2.6 series, block devices (like SCSI disks and DVD drives) can be specified too. For example, sg_start 0 /dev/sda will work on 2.6 series kernels ✨

🍓 EXIT STATUS 🍓

Exit status of sg_emc_trespass is 0 when it succeeds 🥹 Otherwise, go check the sg3_utils(8) man page, it has the deets 📖

🧚 AUTHOR 🧚

Written by Lars Marowsky-Bree, based on sg_start 🫶

🐛 REPORTING BUGS 🐛

Report bugs to <dgilbert at interlog dot com> 💌

Copyright © 2004-2012 Lars Marowsky-Bree, Douglas Gilbert. This software is distributed under the GPL version 2. There is NO warranty, not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE 💀

That's the tea, bestie 💖 sg3_utils-1.35, December 2012, SG_EMC_TRESPASS(8) 🦋 Stay iconic ✨

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