Messages in this thread | | | Date | Sat, 4 Dec 1999 10:06:33 -0800 (PST) | From | "Mr. James W. Laferriere" <> | Subject | Re: Oops with ext3 journaling |
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Hello All, Not being ext3/journaling savy , I ask this question Does journal.dat belong in user file area ? Could it not be put into (a little harder to overwrite) /proc ? Or ... ? Hth, JimL
On Sat, 4 Dec 1999, Brion Vibber wrote: > On Sat, 4 Dec 1999, Daniel Veillard wrote: > > > Let me guess, did your copy command avoided overwriting the journal.dat ? > > If not it's not surprizing, that's the only way (with soft raid + ext3) > > I found to get an oops from ext3. > > (Sound of head banging against wall... ouch!) Yep, that would do it, I > should have done an --exclude journal.dat... > > > I reiterate, the ext3 code must protect the journal from user-level > > process operation, or we are gonna have serious headaches in the user support > > dept. :-( > > Maybe at least stick a nice big warning in the docs along the lines of "do > not write to your journal file while mounted with journaling on, you big > dummy!" :) Not that I'd do so deliberately of course, but it might make > people a little more wary later on. The README does recommend setting the > permissions to 400, but that doesn't protect from root of course. > > Is there any reason you _would_ want to be able to write to the journal > file from userland while mounted? I'd guess no... > > -- brion vibber (brion@pobox.com) >
+----------------------------------------------------------------+ | James W. Laferriere | System Techniques | Give me VMS | | Network Engineer | 25416 22nd So | Give me Linux | | babydr@baby-dragons.com | DesMoines WA 98198 | only on AXP | +----------------------------------------------------------------+
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