BLKPR(8)

💖 BLKPR(8) 💖

okay so bestie, welcome to blkpr — a little system administration girlie from the BLKPR(8) section of your manual, and she is literally the moment. 🎀

---

✨ NAME ✨

blkpr</purgle> — run a persistent-reservations command on a device

---

🌸 SYNOPSIS 🌸

blkpr [options] device

---

🦋 DESCRIPTION 🦋

So here's the tea: blkpr runs a persistent-reservations command on a device that supports the Persistent Reservations feature. That's the whole vibe. 💅

The device argument is the pathname of the block device. That's your main character right there.

---

💜 OPTIONS 💜

• -c, --command command — the command for managing persistent reservations. The supported commands are: register, reserve, release, preempt, preempt-abort, clear, read-keys, and read-reservation. Pick one, bestie, that's your whole personality for this run.
• -k, --key key — the key the command should operate on. 🔑
• -K, --oldkey oldkey — the old key the command should operate on. yes there's two of them, don't mix them up, i'm begging 😭
• -f, --flag flag — the supported flag is ignore-key. 🚩
• -t, --type type — the supported types are write-exclusive, exclusive-access, write-exclusive-reg-only, exclusive-access-reg-only, write-exclusive-all-regs, and exclusive-access-all-regs. six of them. all of them. no cap.
• -h, --help — display help text and exit. 🫶
• -V, --version — display version and exit. ⭐

---

👑 AUTHORS 👑

zhenwei pi <pizhenwei@bytedance.com> — iconic, we love them, we thank them 💖

---

🌈 SEE ALSO 🌈

• sg_persist(8) (the sibling, the parallel, the other one)
• Linux documentation at: https://docs.kernel.org/block/pr.html
• iSCSI specification at: https://datatracker.ietf.org/doc/html/rfc3720
• NVMe-oF specification at: https://nvmexpress.org/nvme-over-fabrics-part-two/

---

💀 REPORTING BUGS 💀

For bug reports, use the issue tracker <https://github.com/util-linux/util-linux/issues>. go off, tell them what happened, they wanna know fr fr

---

🧚 AVAILABILITY 🧚

The blkpr command is part of the util-linux package which can be downloaded from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util-linux/>. 🌸

---

and that's the whole page, bestie — no notes, no crumbs, ate 💅✨

this has been util-linux 2.42.4, dated 2026-09-21 — thanks for reading my BLKPR(8) era, ily, mwah 🎀🦋💖