General :: Upgrading Redhat To Support Ext4 For Files Over 2TB In Size
Sep 27, 2010
We are currently running Redhat 5.4 64Bit (Build 2.6.18-164.e15) however having issues with tar files that are greater than 2TB in size.
We have been told that upgrading the kernel to support the ext4 file system (supported in version 5.5?) and mounting the current 10TB nas share as an ext 4 file system may solve our over 2TB file size issues. Are their limitations within the ext3 file system that cause issues to files greater than 2TB and if this is the case Do we have to update the kernel (complete rebuild), or can we load a package on the redhat box to support the ext 4 file system Where do we get the upgrade/package. I have logged onto the redhat site and can not find kernel updates but can find the full installation packages. We are not connected directly to the internet and do not have access to the update repository
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Jan 6, 2010
I have slackware 13 ext4 partition. Debian lenny ext3 partition. and a /data ext3 partition Debian contains the grub boot loader i've been using to boot slackware. I'm going to wipe debian and I installed grub to /data with knoppix cd. Grub on debian booted into slackware just fine, but the grub I installed (onto data partition) with knoppix live cd does not find the slackware kernel. I am using the exact same menu.lst. apparently debian grub had ext4 support, but knoppix does not. both are grub .97. Is there a way to add ext4 support?
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Feb 5, 2011
I am doing some benchmarking on EXT4 performance on Compact Flash media. I have created an ext4 fs with block size of 65536. however I cannot mount it on ubuntu-10.10-netbook-i386. (it is already mounting ext4 fs with 4096 bytes of block sizes) According to my readings on ext4 it should allow such big block sized fs. I want to hear your comments.
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Apr 8, 2010
i hv 3 os installed ...windows7,ubuntu9.10 and redhat5.3can ne1 tell me how to mount ext4 partition from redhat....because after installing redhat ubuntu is not booting....or can ne1 tell me how can i boot ubuntu by editing grub.config
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Sep 7, 2010
I am going to do network upgrade of my 8.04 to 10.04 LTS. I have a dual boot with Vista, and currently I can read Ubuntu partition from Vista using Ext2fsd. However, I read that using Ext2fsd with ext4 (default in 10.04) is problematic because of "extents".
My questions: Will the upgrade convert my current ext3 partition into an ext4 one? How can I keep the ext3 partition? The release notes for 10.04 say:
The simplest way to select a different file system such as ext3 at installation time is to add the partman/default_filesystem=ext3 boot parameter when starting the installer.
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Jul 6, 2010
I am new to Fedora, and I noticed when I opened my home folder that I only had 54GB. My HD is 120, and when I used the disk utility, I noticed that 64GB are in ext4! What?! This was not a problem in Ubuntu, so why has it happened now? Is there anyway I can decrease the size of ext4 and give some of it to Fedora?
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Sep 2, 2010
I'm having a problem with GParted. I'm trying to increase the size of an ext4 partition but the maximum is set to 9970 MiB. The option to increase its size is greyed out. How can I fix this?
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Oct 25, 2010
I have a 7GB unallocated space and I want to expand/increase the size of the preinstalled fedora 13 ext4 size from the unallocated space any ideas?**Using gparted live is not working is just displating the whole sda drive.
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Aug 4, 2010
Just rm -rf *'d home/me/ directory... tried extundelete, didn't recover more than 10% of data.. trying scalpel, taking forever..Anyone know of a sure fire way to recover data from ext4?
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Aug 27, 2010
I thought I'll be smart, and installed squeeze on ext4 partitions ( boot-ext2, root-ext4, home-ext4 and swap). With my Lenny (ext3), I use partimage to backup the / partition, and rsync to backup my /home files. Now, I found out that partimage does not work with ext4. Are there other GNU packages I can use to backup my / partition?
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Apr 2, 2010
I recently bought a new HDD for my server and I now need to create two differently sized ext4 partitions. I tried GNU parted, but it can't create ext4 partitions so I did some googling but couldn't find any CLI partition managers with ext4 support
Btw, the server is running Ubuntu 9.10 x64 Server.
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Jun 11, 2009
Is that possible, I mean when I upgrade F10 to F11 with yum upgrade is there a way to 'upgrade' the filesystem to ext4 for example (with the exception of boot partition)? Or I have to reinstall fedora like new?
While changing the filesystem can I do it by parts? what I mean is for example: I have 2 partitions like '/' and '/home' with ext3, so I backup data in '/home', change '/' to ext4 then mv files from '/home' to '/' and change '/home' to ext4 and finally mv those files from '/' to '/home'. Is that possible?
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Nov 11, 2010
I have done it quite often. Inserted and run the computer from a live CD so that the hard drive is not mounted an changed the partitions. It worked on the old reiserfs when I wiped the windows partition on my laptop to increase the space, it worked on ext3 partitions. Now I resized the swap partition and reduced the NTFS partition on my desktop - no problem. But it does not increase the ext4 partition. No error message it just does not do it. I tried several times with the suggested maximal setting, with a custom setting, etc. It just does not change size. Just for interest I booted into Suse11.0 live CD and tried from there. There I get the answer cannot resize partition as the file system does not allow resizing. Is something wrong with the system or does the partitioner not work with ext4?
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Oct 8, 2010
Mis-allocated 10g instead of 30g to /var/lib/mysql and realized mistake After Fresh Install and upgraded all servers. Using Slackware13.1, Xfce did some googling wondering if its possible to resize the above partition with fdisk. Read some things about gparted and wonder if it will work using Xfce.. i've never use kde or gnome. There is also mention of using live cd; I have no experience with any of the mentioned tools; just fdisk to partition and install. What is the best or simplest way to backup & restore; (I do have an empty sdb 160g but don't want to get into complicated raid or LVM setups right now because I still have to learn howto backup & restore do data to the point where I feel comfortable with it)?
Current setup: sda 160gb Hdd used 73.5 for following partitions: sda1 512m /boot; sda2 Extended Rest of Hdd; sda5 1280m /swap; sda6 8g /home; sda7 2g /; sda8 8g /usr; sda9 8g /usr/local; sda10 10g /var; sda11 10g /var/log; *sda12 10g instead of 30g /var/lib/mysql; sda13 10g /opt; sda14 5g /tmp Haven't configure mysql... so /dev/sda12 is empty except for system disk data the same goes for /dev/sda13 /opt & /dev/sda14 /tmp
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Apr 26, 2011
How to extract rar files in RedHat Linux?
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Jan 31, 2011
I have installed ubuntu to my pc. i made 3 partitions. one for system, one for data and one for swap. two of them were ext4. after some time i have reinstalled ubuntu again. but this time i didn't put to format the second partition, but just mount it using ext4. after that i cannot open my files. checked with gparted shows that 2GB used, but with df 188MB. and in properties writes ext3/ext4 filesystem. i used chown, chgrp but didn't help. please help, these data are ver important. i cannot lose them.
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May 6, 2011
I didn't know a resize operation on a 750 GB disk was going to take 40+ hours, and I was biting my nails the whole time, until the power went out when "only" 8 hours where left.I can still mount the partition, and many of the files are still there, but some files show as '? ? ? ? ? filename.ext' with ls -l.If I try to go inside such a directory: Input/output error.
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May 14, 2010
I have created 700 GB ext4 logical partition on my HDD. It is named sda7. Now I don't have read/write permissions, only root has those permissions.
How to change read/write permissions and how to mount it permanently?
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May 3, 2011
i lost below mention file in my appache server,how i can recover libphp5.so mod_actions.so
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Jun 7, 2010
I put dual OS in my desktop. One is XP, and another one is RedHat EL5. when i installed EL5 in my system, the XP content and my personal files gone. XP is in D drive and EL5 in E drive. My personal files are in C & F drive. Now I would like to recover C & F drive files.
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Sep 8, 2010
I have nearly 200GB of space free on the HD with my linux main EXT4 partition, and I'm wondering if I can convert a large part of this to a new NTFS partition that I can use for my windows XP paralell install?
Basically, what do I have to do to resize and create the new partition and how do I get windows to recognize it?
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Jun 24, 2011
I am running CentOS 5.5 with a 14T ext4 volume. We are sharing out a few sub-directories via NFS. Our customer was doing some penetration testing with our web app that writes to one of those NFS shares. We are not sure if they did something to cause the metadata to grow so large or if it is corrupt. Here is the listing:drwxrwxr-x 1 owner owner 470M Jun 24 18:15 temp.badI guess the metadata could actually be that large, however we have been unable to perform any operations on that directory to determine if the directory is just loaded with files or corrupted. We have not run an fsck on the volume because we would need to schedule downtime for out customers to do so. Has anyone come across this before
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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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Apr 20, 2010
telling me if this behavior of my openSuSE 11.2 installation is normal? I use a 64-Bit openSuSE 11.2 with kernel 2.6.31.x with root partition ext4. After adding and updating from repository kernel:/HEAD/etc to 2.6.34-rc4 I can not boot anymore due to a lack of module ext4. I thought today ext4 is stable and fix built-in in the actual kernel releases, isn't it? The error message at boot time: FATAL: Module ext4 not found. Which is right because in /lib/modules/<kernelversion>/kernel/ there is NO 'fs' subfolder. Isn't the kernel:/HEAD/ repository the official update path to get a newer major kernel? (besides openSuSE's Updates for security reasons) Do you know how I can fix it without self-compiling?
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Jul 26, 2011
I have tried countless things and am at a complete loss. I'm pretty new to Ubuntu and Linux in general, just so everyone knows. Here's my problem: I can run the 10.10 install disc as a Live CD and have perfectly functional internet. However, when I install into a clean ext4 partition, I have zero internet support. I have Googled the heck out of this problem, too.I've tried tinkering with IPv6 settings, I've tried scouring my BIOS for anything relating to "Wake-on-LAN" (It's enabled in Windows 7, by the way, which is what I dual-boot into), and several other network-related ideas I've read online. None have had any effectEDIT: Additional details: ethernet worked like a champ in 10.04, and in 10.10 when I did an upgrade instead of a clean install. I had this same ethernet problem in a clean 11.04 install (which also worked in Live CD form), too, which is why I tried 10.04 to begin with.
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Jun 1, 2011
I tried to link USB to com port. Mistakenly I managed to link to one USB several ports. How can I unlink them in order to have only one linked? This is how it looks like!
lrwxrwxrwx. 12 May 26 16:26 com03 -> /dev/ttyUSB0
lrwxrwxrwx. 12 May 26 16:17 com10 -> /dev/ttyUSB0
lrwxrwxrwx. 12 May 26 16:22 com2 -> /dev/ttyUSB0
lrwxrwxrwx. 12 May 26 16:26 com3 -> /dev/ttyUSB0
lrwxrwxrwx. 12 May 26 16:27 com4 -> /dev/ttyUSB0
And second question, I have installation files for Redhat(73, 8, 9). Can I install them to Fedora 14? If yes, could you? please, help me with commands?
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Feb 24, 2011
I just made my first RedHat Enterprise v5 installation, the thing is that i have on my network a windows server that i use for storage, i want to be able to share files between the windows server and the RH server, i already edit the smb.conf file and put my workgroup name, but i still cant see my the windows server. When o try to connect using the connect to server option it says, "could not open the location 'smb://server_ip_address/' Unknown error code: 46", i can ping the windows server
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Mar 24, 2010
i want to extend my existing partition size,but it should do it without formatting my operating system.i don't have the solution.Is this possible?if possiblsolution.hope somebody should give the answer
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Apr 16, 2010
I am currently running Kubuntu 9.1, quite happily (triple booting macbook with snow leopard and Windows 7). I would like to upgrade to Ubuntu 10.04, but I have a few questions first. Correct me if I am wrong, but Kubuntu is just Ubuntu with the K Desktop Environment, no? So if I were to wipe my partition and install Ubuntu 10.04, I could then install the K Desktop Environment and have Kubuntu 10.04? (sudo apt-get install)
I have been trying to find a way to "see" my kubuntu partition while booted into either mac osx or windows. My kubuntu is currently using the ext4 filesystem though, and there are no drivers to make this work... Is it possible to install Kubuntu onto a filesystem other than ext2/3/4? Ideally I would like to install it onto NTFS, but i know in previous distros (6.1, 7.1) this was not possible. FAT 32 would work for me too,as my partition is only 15gb. Or does anyone know of any drivers for ext4 for mac and windows?
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Jan 23, 2011
I am having a few situations to which I do not see any thing in du man pages.Quote:1) I want to see files in a sub directory which are larger than a particular size only.2) I use du -sh > du_output.txt I see the output as described for option -s and -h how ever what I am more interested is if the output comes in a format which is say for example
Code:
dir0--->dir1-->dir3-->dir4
| |
[code]....
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