Ubuntu Servers :: Growing A 3.8Tb Ext4 File System?
Mar 29, 2010
I've already asked this in the mythbuntu and didn't get an answer there so I'm trying here. OK just added another 2Tb WD drive to my mdadm controled RAID5 array, and the reshape is finished:-
Code:
Code:
Mar 28 18:28:36 alpha2 kernel: [104357.343421] md: md1: reshape done.
Mar 28 18:28:36 alpha2 kernel: [104357.525114] RAID5 conf printout:
Mar 28 18:28:36 alpha2 kernel: [104357.525119] --- rd:4 wd:4
Mar 28 18:28:36 alpha2 kernel: [104357.525122] disk 0, o:1, dev:sda2
[code]...
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Apr 23, 2010
How to find continuously growing files in the file system?
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May 8, 2011
I recently upgraded to Ubuntu 11 and a few days later my ecryptfs filesystem began misbehaving in a weird way. In my home directory, many subdirectory names are duplicated verbatim. Here's an ls -F excerpt:
Desktop/
Desktop/
Documents/
Documents/
Downloads/
Downloads/
I can no longer access files in those directories (if I ls the directory, it appears empty; I can cd to it, but there's nothing inside). Not all of the directories are duplicated/damaged like this, but most are. A few non-directory files are also duplicated in this fashion, so for example:
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Jan 28, 2011
Can windows read files from a home file server with an ext4 file system? or do I have to partition the drive with the server (ext4) and an ntfs partition with the files on?
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Aug 6, 2010
I'm trying to figure out why files in linux are oriented in the folders the way they are. In Windows it's much simpler to picture. You have program files (C:Program Files(x86), system files (C:Windows), user settings for programs or personal stuff(C:User), and some weird folder names. I was noticing that the Ubuntu ext4 filesystem is a little more complicated. Some folder names are self explanatory, but others are not. Is there a guide, or some reading material on the history of the linux filesystem and how it morphed into what is presently used in Ubuntu?
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Jul 31, 2010
Windows 7 by default cannot read/mount Ext4 type file systems. I installed Ext2fsd which allows me to mount my linux drive and navigate all the subfolders of my root (/) directory, however when I click on a folder from there (I.E, /home) this is what comes up: [URL].
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Nov 1, 2010
does the ext4 journalling file system need to be de-fragmented?
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Dec 20, 2010
I just installed ubuntu on to a brand new samsung N310 series netbook, I opted for ext4 as I figure it should be stable, but awhile ago the laptop shut off with no visible reason, when I restarted I noticed that this is happening. What gives?
[ 202.405576] EXT4-fs (sda6): re-mounted. Opts: errors=remount-ro,commit=0
[ 243.500906] EXT4-fs (sda6): re-mounted. Opts: errors=remount-ro,commit=0
[ 303.782887] EXT4-fs (sda6): re-mounted. Opts: errors=remount-ro,commit=0
[code]....
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Dec 22, 2010
1. What can I use to read/write to my ext4 file system in Win7 x64? 2. I use Macbuntu. Is there any way to get a translucent top bar 3. My computer seems to be running hot while on Ubuntu. The fan speed seems increased. It goes back to normal on Windows though.
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Aug 23, 2010
Does latest Debian64 stable work with ext4 filesystem?can its root partition be ext4?
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Aug 29, 2011
Which file system uses Centos 5.6 by default, Ext3 or Ext4? I have installed on Ext3, it's upgrade from 5.5, but howto convert into Ext4 without damage or lost data?
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Nov 1, 2010
I have tried 4 times now to install but it keeps freezing. I wiped my hdd with a tool from UBCD and im starting fresh with a full install of Ubuntu 10.10.I'm installing from a LiveCD. Should I format the hdd in some way before install?
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Dec 27, 2010
I'd like to know which command i should run from the terminal to know which file system (ext3, ext4, etc...) my Ubuntu runs on.
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Feb 11, 2011
I have a Dell Mini 9 netbook. The SSD took a dump, so I ordered a Super Talent 16gb replacement. I put it in yesterday, tried to install 10.10 and constantly get errors. The first error, which I haven't had since, was [ERROR 30] Read-only File System. The install obviously failed. Wondering if perhaps the file got messed up in translation, I redownloaded 10.10, reformatted the flash drive (sandisk cruizer 4gb), put 10.10 back on via the program on the Ubuntu site. No luck, but no longer the [error 30]. Tried again using Unetbootin, no luck. Rinse repeat a few times, no errors just a working cursor spinning and spinning and spinning and spinning and.. you get it.
Tried to put WinXP on it just because I was that frustrated, no luck.
Now I'm back to Ubuntu (because let's face it, who wants to deal with Windows, christ they make it so complicated). I'm currently using 10.04 because I was hoping (praying) it might just be a 10.10 thing.
No such luck, now it goes to step 7/7, starts, and 5% of the way thry "creating ext4 file system" it says "the ext4 file system creation in partition #1 (0,0,0)(sda) failed." I have checked the SSD in the Disk Utility, SMART tests are clean. I have gone to terminal and run fdisk and had a smarter person than me look at the copypasta, no errors, I have deleted all existing partitions in gparted and started fresh. I have tried the auto partitioning, I have tried manual, I am going insane. Literally insane. My preschooler thinks I've leaped off the deep end.
Could it be my flash drive? Could the SSD be defective despite the tests coming back clean? What do I need to type into terminal? Is there a way to entirely entirely entirely wipe the SSD to make it fresh-out-the-box clean? I will happily provide whatever you need if it means I can get my husband off my back about this stupid netbook with its stupid tiny keyboard.
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May 13, 2011
My fileserver initially had 3 1TB drives in RAID 5 configured with mdadm as /dev/md1. (System root is a mirrored raid on /dev/md0) I went to go add a 4th 1TB drive to /dev/md1 and grow the raid 5 accordingly. I was initially following this guide: [URL] but ran into issues on the 3rd and 4th commands. I've been trying a few things to remedy the issue since, but no luck. The drive seems to have been added to /dev/md1 properly, but I can't get the filesystem to resize to 3TB. I also am not entirely sure how /dev/md1p1 got created, but it appears to be the primary partition on the logical device /dev/md1.
Relevent information:
Code:
fdisk -l /dev/md1
Disk /dev/md1: 3000.6 GB, 3000606523392 bytes
2 heads, 4 sectors/track, 732569952 cylinders
Units = cylinders of 8 * 512 = 4096 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 65536 bytes / 196608 bytes
Disk identifier: 0xda4939fa .....
The filesystem originated as ext3, I believe its showing up as ext2 in some of these results because I disabled the journal when doing some initial troubleshooting. Not sure what the issue is, but I didn't want to blindly perform operations on the filesystem and risk losing my data.
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Jan 6, 2011
I want encrypt my fedora file system.
How to i can encrypt ext3 or ext4 file system.
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Jul 7, 2011
I was in the process of installing Ubuntu 11.10, but got stuck choosing which file system to use. ext3 and ext4; which is better for a personal desktop? If ext4 is better, will it work well on my old PC (bought 3 years ago), or perhaps ext4 is not actually compatible with an old hard disk?
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May 7, 2011
I bought a ssd drive for my laptop, installed it, installed Windows 7, installed Kubuntu 11.04. Till then everything worked fine, and I had following partitions on my disc:
Code:
/dev/sda1 ntfs ~100MB win boot,
/dev/sda2 ntfs ~170GB win main,
/dev/sda3 extended
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It worked fine. While using 11.04 I encountered a serious bug in nvidia 270.41.06, and decided to switch to Kubuntu 10.10. I installed 10.10 on the very same /dev/sda5 (clicking a checkbox to format it). Everything worked fine, grub was installed and pointing to win7, and kubuntu 10.10. I disabled ext4 journaling as above, rebooted, and found, that grub now points to win7 and 11.04, and that system (which should have been removed during installation of 10.10) loads perfectly fine. I checked where 11.04 had been installed - still /dev/sda5. Win7 loads fine as well, so no linux on /dev/sda2 I checked if there was 10.10 kernel in /boot - no. File system on sda5 had no trace of 10.10.
I formatted sda5 with gparted, installed 10.10 again, disabled journaling and situation repeated, whole file system on sda5 changed. Enabling journaling did nothing, 10.10 didn't come back. I deleted sda3, sda5, sda6, made them again, installed 10.10, disabled journaling, and finally had my 10.10 on ext4 without journaling. So this is kind of solved, but I would still like to know that the hell happend? For the moment it looked like two file systems coexistened on one partition.
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Feb 6, 2011
I downloaded the ISO from the Ubuntu site. I can run it from the CD without any problems however, when I install it, it freezes. I am installing on a 2nd hard drive in my computer. It gets up to the point of "Creating ext4 file system for / in partition #1 of SCSI1 (0,1,0)(sdb)... I've tried deleting the partition and creating one by myself with no prevail. I am going to school for computer networking and my counselor told me that it'd be a good idea to learn the Linux OS for my major.
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Sep 3, 2011
If you have a contiguous partial piece of an ext4 file system (assuming it's perfectly clean), starting from the beginning of the partition, is there any way to check it, or to mount it to get the files whose parents, inodes and data are all completely contained inside?
Have (or maybe had) a very large 11TB RAID 6 array, filled with a single large ext4 partition. Something strange happened when a single drive failed and the array ended up failing 13 out of the 11 drives. I had trouble getting the array restarted, and got to the point where I exhausted all of the options I considered completely safe. I considered a few things that may have worked, but mdadm doesn't seem to have a definite "do not change anything" option. So I decided the only way to be absolutely safe would be to clone the disks before proceeding - then I realized how much time that would take and sent the drives off to a recovery service so they could image them and check it out.
Before doing so, I copied the first 2GB from each disk. I XORd the images from the working drives to reconstruct the data chunks that were on the failed disk, manually assembled the chunks, and am very confident that I have 22GB of "correct" data in a single file. The parity and Q syndromes all matched (with RAID 6 you can still check with only 1 missing device). I've learned the fine details of ext4 from [URL], and have looked at lots of raw data from the reconstructed partition, and it all looks good. The recovery company says that they're not finding many inodes, but I found a lot of them, exactly where they're supposed to be. I tried to mount and e2fsk, but both processes seem to be extremely unhappy that the device size doesn't match the size implied by the file system geometry.
I considered hacking the superblock to manually reduce the size, but I figure that wouldn't work because there would then be more group descriptor blocks than it would expect after the superblocks. I might try doing that and compensating by incrementing the "reserve block count" to compensate. Alternatively, if there is some way to make the file appear to be the expected size with nothing but zeroes after the end of the actual data, maybe I could mount it and not get any errors until I cause the kernel to read past the true end of the file.
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Feb 8, 2010
The Ext 4 file system of the partition (dev/sdb1) is corrupted. When I seek to repair this using the boot repair tool it is unable to resolve this. I admit that I don't fully understand the problem - except that I'm unable to open and use programs.
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Jul 3, 2011
My main hard disk died and I replaced it. After installing windows in a small partition in /dev/sda, I thought I will try linux mint and went for it. (I need windows to play AOE, but ubuntu is my primary OS)I didnt see the options properly or some distraction, I choose the "install alongside windows" option probably expecting it to install it in the unallocated partition next to the windows installation. I had completely forgotten my second internal drive /dev/sdb which has the backup data. Linux mint went and installed itself on that drive.
Is there a way to recover individual files from the second harddrive. Now if I boot or open it through live cd, all I see in the linux mint file systems. I want to aleast recover my CV/resume from the second drive. The second drive is a single ext4 file system The old drive is completely dead, it doesnt even get recognized when I attach it to SATA.
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Aug 23, 2010
In an attempt to shrink my Data partition on my 500GB drive I had succeded in shrinking it but I think I have broken the partition table as now it refuses to mount. When trying to mount I get this error mount: wrong fs type, bad option, bad superblock on /dev/sda2 I have done some searching around but most fixes haven't worked because they are based on ext2/3 File systems and this partition is ext4. Using Ubuntu 10.04 x64.
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May 14, 2010
I can't seem to get past step 6 of he installation of Ubuntu 10.04. I get the error: The ext4 file system creation failed... on single partition (no raid). I chose ' / ' as the mount point, and have tried with and without a swap drive. I'm installing on a Sony VAIO VGN-NS160D, and the HDD was previously formatted to NTFS. There's no other OS so I don't see any way of getting a command line to try a sudo fdisk..
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Mar 27, 2010
I have dual boot system..i.e, windows XP and ubuntu 9.10(insatlled side by side). when i try to boot ubuntu, Im gettin sh:grub > prompt
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I am getting something like this.. root mount file system failed.. ext2 ext3 ext4 ....... kernel panic message and hanged at kenelthreadhelpper+ what can i do.. I cant reinstall ubuntu again.. Because I have installed nany application there..
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Feb 6, 2010
Have the following partitions, I've grown md1 from 3 drives to 4 drives with mdadm. It is now the size below of 531899712 from 354599292.
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As you can see above however, the filesystem is not growing. What am I missing. I don't believe I need to do anything with the partitions. I should just resize my array as I have and xfs_grow and be finished.
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Sep 11, 2011
I want to convert the file system on my boot drive from ext4 to btrfs.
I have converted by 2nd drive, unsure of how to convert the boot drive and partitions.
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Sep 7, 2009
How well is the ext4 new file system mounting compatibility with the older ext3 previous Linux installations ? I refer to Ubuntu 9.04 and the new Fedora 11 which have the option to install with the ext4 file format. Will it be better if I install with the older ext3, so that I will be able to mount all other Linux from each other in a multi-boot system ?
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May 20, 2010
Currently running 10.04 and Cacti latest version and although my RAM is only just over 3/4 used my swap file is growing. If I leave the box running for about a week the swap fills and the system grinds to a halt.Is there some way of seeing what's in the swap so I can debug the problem and get my system more stable again?
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Oct 10, 2010
I grabbed the new lubuntu 10.10 from [URL] but it turns out I'm having a problem installing it on my netbook (Asus Eee PC 1015PED). While installing, this error pops up:
Quote:
The attempt to mount a file system with type ext4 in SCSI2 (0,0,0), partition #1 (sda) at / failed.You may resume partitioning from the partitioning menu.I'm installing via USB and have selected the option to erase everything and use the full HDD.
Edit: I had Xubuntu installed before.
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