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Cannot Change Data Mode On Remount

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jthill View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by jthill Thread Tools Show Printable Version Email this Page Search this Thread Advanced Also the data=ordered is not a valid mount option for ext4. xyepblraOctober 21st, 2009, 04:35 PMFinally I found the thread my help request it would be proper to post to. All fixed! :p Can you explain this in a little more detail, I am having a similar problem (mine is specifically with RAID 0 I believe) and have been unable to weblink

failure to remount / read-write (1.03 KB, text/plain) 2014-12-22 09:42 EST, Gabriel Somlo no flags Details output of "journalctl --system" after failure to remount / rw during first boot after kickstart I find and start Grub okay, but when I select Arch and it initializes, I get the following:[1.8891941] i8042: No controller found/dev/sda7[my root partition]: recovering journal/dev/sda7: clean, 33347/130720 files, 328646/5242880 blocks[ Comment 1 Todd Warner 2001-12-07 15:15:05 EST Reproduced on my 7.2 machine. [taw@trixie taw]$ uname -a Linux trixie.meridian.redhat.com 2.4.9-13smp #1 SMP Tue Oct 30 19:57:16 EST 2001 i686 unknown I simply Comment 4 Lukáš Czerner 2014-01-23 09:33:35 EST Hi, yes, tune2fs and removing data=writeback option from fstab should work as expected, however this really is just a workaround. visit

Data=writeback Bad Option

Last edited by jthill; 11-28-2011 at 10:58 PM. 1 members found this post helpful. Is there a way to verify that the system is mounted and is, in fact, running without journaling? Upgrade F19 to F20 on a dedicated one-and-only partion (means no extra partion for /boot 2. Register now!

jthill View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by jthill 11-28-2011, 05:21 PM #5 holister LQ Newbie Registered: Oct 2010 Posts: Not sure if the problem is already fixed, but I'm sure it's something we cannot fix by mount(8) ;-) Comment 7 Gabriel Somlo 2014-12-22 09:42:42 EST Created attachment 972056 [details] kickstart It booted right up with my new fstab options. Ext4 Data=journal Reboot linux in "single" mode. 2.

Can one bake a cake with a cooked egg instead of a raw one? BTW, I have all updates up to November 1st. (Also: I specified mount as the component, but the problem could be in the kernel). Taking "data=writeback" off the / partition but leaving it in for /boot and /home partitions and everything mounts just fine. Because you are specifying the data=journal option the remount fails and the root filesystem is left read-only.

Moreover potentially there might be options where specifying/unspecifying them might alter the file system in some way which will make this much worse if the fs was not mounted ro initially. Ext4 Barrier=0 I think that you might have better luck setting the flag that controls the journal within the filesystem using tune2fs and removing that part of the fstab. holister View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by holister 11-28-2011, 05:11 PM #4 jthill Member Registered: Mar 2010 Distribution: Arch Browse other questions tagged linux filesystems mount ext4 or ask your own question.

Ext4 Data=writeback

Thank you for the help holister View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by holister 11-28-2011, 01:28 PM #2 salasi Senior More Help At that time this bug will be closed as EOL if it remains open with a Fedora 'version' of '21'. Data=writeback Bad Option more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Tune2fs -o Journal_data_writeback To see how to do this, follow the BBCode link below.That fstab example above, is that actually copy and pasted here?

Change the default filesystem mount options in the filesystem itself. have a peek at these guys Today's fresh install: [ 12.764268] EXT4-fs (nand2): mounted filesystem without journal. I've attached the simplest kickstart file I could come up with to reproduce the problem I'm seeing, alogn with "journalctl --system" and "dmesg" output. Edit /etc/fstab to remove "data=journal" for / 4. Ext4 Commit

We don't have a way how say "ignore wrong options" to filesystem kernel drivers. Offline #3 2013-11-26 02:30:14 weylandthesmith Member Registered: 2013-11-22 Posts: 4 Re: "Cannot change data mode on remount" Hey WonderWoofy,Thanks for the reply (and sorry for my late involvement, we've had power On fresh Wheezy install (kernel 3.0), including "data=writeback" for the / partition causes it to mount read-only, which prevents mounting of other partitions, causing loss of Xserver (drops to shell). check over here Can I switch from past tense to present tense in an epilogue?

When I created the file system I didn't use the option to journal_data, which is not "ordered" mode, per ext4 default. Ext4 Disable Journaling Having said that, there _is_ locking inside ext3 which would help to achieve this: we'd have to suspend the entire filesystem, sync everything to disk, flush the cache, flush the journal, Might be a solution, but also slows down the boot process.

I don't have a cd drive on this laptop, so it would be difficult to get access to a live cd, how can I remount the filesystem and fix this?

The man pages didn't warn you about the superblock-consistency requirement for ext4, for instance. I'll re-categorise this as a RFE (request for enhancement), but it's not an ext3 bug. Share your knowledge at the LQ Wiki. Ext4 Performance Tuning Why had Dumbledore accepted Lupin's resignation?

that should be specified with tune2fs), or are there others? Comment 1 Lennart Poettering 2014-01-23 08:22:03 EST Well, we just invoke /bin/mount here, and if that fails, we fail too. Not sure we can do much about this though. this content Having a problem logging in?

What I would do (but I've got to much old spare hardware) is pull out the disk and stick it in another *nix box, edit /etc/fstab there and stick the disk Format For Printing -XML -Clone This Bug -Top of page First Last Prev Next This bug is not in your last search results. So with a Macbook, that shouldn't matter since I believe that they are USB driven (don't quote me on that, it has been a while since I have used my old humidityFebruary 11th, 2010, 01:27 AMHi there, I found out a solution to the Read Only issue.

Thanks, Colleen miegielApril 13th, 2010, 01:55 AMCan you explain this in a little more detail, I am having a similar problem (mine is specifically with RAID 0 I believe) and have sudo apt-get install usb-creator Fox5August 18th, 2009, 05:53 AMsudo chmod / gives chmod: missing operadand after '/' And I can't install or remove any packages because the file system is mounted Thanks. But I can leave noatime.

Thanks a lot, all!Key to this whole thing was that I had no idea what option "data mode" was referring to. On reboot you find out the system won't come up. For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. I don't have a cd drive on this laptop, so it would be difficult to get access to a live cd, how can I remount the filesystem and fix this?

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Post a reply 5 posts Return to Raspbian Jump to: Select a forum ------------------ Community General discussion Other Karel, anything we can do about this? stlsaintOctober 21st, 2009, 06:39 PMi replied to your thread: http://ubuntuforums.org/showthread.php?t=1297054 xyepblraOctober 22nd, 2009, 06:23 AMThank you, stlsaint, I'm fine by now, because e2fsck has fixed my /. nothing else does.

Should we use > that switch from systemd-remount-fs? Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version. If you need to reset your password, click here. Steps taken: 1. (live CD) Use cfdisk to cut up the drive 2.

Or did you type that out.