GFJOURNALADMIN(1)

📦 version 2.7.20, in debian bookworm, debian trixie, ubuntu noble, ubuntu questing, ubuntu resolute, ubuntu stonking

💖 GFJOURNALADMIN 💖

okay bestie, gather round, because this little tool is literally the emergency exit of the Gfarm journal world. It lives in section 1 of the manual (that's the "commands you actually type" section, iykyk), and its whole entire job is erasing one specific record in a journal file. One. Specific. Record. It's giving surgical precision. 🎀

✨ SYNOPSIS ✨

gfjournaladmin [options] journal-file sequence-number

that's it. that's the whole vibe. you hand it a journal file and a sequence number and it goes to work. 💅

🌸 DESCRIPTION 🌸

So here's the tea: gfjournaladmin erases the record with sequence-number in journal-file. And the way it does it is lowkey genius — since the record gets replaced by a NOP (no operation) record with the same length, all the other records in the journal file are not moved or modified. no shifting, no reindexing, no chaos. the neighbors don't even notice. periodt. ✨

Now, when gfmd detects a conflict of metadata, it reports a log message like the following and aborts immediately:

         db_journal_store_thread : seqnum=938 ope=FILECOPY_ADD : \
             already exists

Such a conflict should not happen, but once it has been caused by a bug of gfmd, restarting gfmd never succeeds. Because gfmd applies journal data at boot time, it finds the conflict and aborts again. 😭 like, every single time. it's a loop. a nightmare loop.

That's literally what the gfjournaladmin command is for — getting you out from that situation. The log message shown above suggests a record with the sequence number 938 causes a conflict. You can delete the record by executing:

         gfjournaladmin /var/gfarm-metadata/journal/0000000000.gmj 938

and boom, you're free. 🦋

⚠️ Note that gfjournaladmin cannot erase a journal record of BEGIN (operation ID 1) or END (operation ID 2). so don't even try, bestie, those two are off limits. 🙈

👑 OPTIONS 👑

  • -h — Displays a list of command options. your lil help menu moment 💜
  • -? — Equivalent to -h. same energy, different key.
  • -n — Read a journal file, but do not write actually. a little dress rehearsal. a dry run. no cap. 🧚
  • -v — Prints verbose messages. for when you want the tool to tell you everything it's doing. main character narration. 🔥

and that's the whole page, bestie!! this gem comes to you from Gfarm, dated 21 Jun 2012 — yes it's been iconic since 2012, we love a timeless queen. 💖✨🎀🦋🌸💅🫶👑🌈⭐

📦 where this page comes from