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Questions tagged [ext4]

Ext 4 is a linux filesystem.

Ext4 is a filesystem mostly used under linux. Other versions are ext, ext2 and ext3.

See Wikipedia for details on ext and ext4.

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How to convert TreeGrid to Json

I have one question about Tree and Json. In most cases you just get Json and with its help you can build your Tree (TreeGrid). Is there any possible just to convert your Tree to Json? For example: You click on the button and than your tree will be…
Rafal Gror
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what's the Max. volume size of one single file on linux ext4?

If I have a 32 bits linux system and the filesystem is ext4, what's the Max. volume size of one single file which I want to storage into the ext4 ? And how to calculate the file size ? As we know , the android use the linux kernel , so how about on…
Jerikc
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How to lock "last modified" date?

I have a directory on an ext4 filesystem full of files that I may want to modify, for trivial adjustments such as the wrong database name in PHP files. However I wish to preserve the last-modified date. Is this possible, and if so, how?
Fela Maslen
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Guide for steps to modify a filesystem in linux

I intend to make some changes to XFS filesystem. Is there a documentation on the steps involved in doing so? I tried google but found nothing of much use. I have a rough understanding of the steps involved (see below), but I am looking for a…
Atish Kathpal
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Windows 7 seems to mess up ext4 group descriptors

I recently installed Linux Mint Debian Edition - it was installed into a logical partition (formatted to ext4) under a 40 GB extended partition that was previously used as a backup/recovery disk in Windows 7. It works quite well - the only problem…
sndroid
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read data from ext4 filesystem directly from the raw partition without mounting the file system

Is it possible to add data of fixed size to an ext4 image such that its available at the last block of the partition (or say last 100KB)? I want to be able to to add data to the ext4 image such that I can read the data from the corresponding raw…
arun
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Selection of first node of a tree is not happening with xtype treecolumn

I have created a tree panel by specifying the xtype as treecolumn. I want to select the first leaf of the tree. In this example I have registered the boxready event detailed below: boxready : function( treePanel, width, height, eOpts ){ …
user2211050
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Changing ondisk inode on ext4 filesystem

I am using libext2fs to modify on disk inode but its not working. I am doing this on mounted filesystem (EXT4). I tried running e2fsck on a mounted file-system and it appears to work (although it give a warning). Following is my code. It runs…
sagar
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Make an ext2 filesystem out of a directory to use as ramdisk

I am trying to automatically determine the size of a ext2 ramdisk filesystem that a directory will make. What I am currently doing is: BLOCK_COUNT=`du $RAMDISK_FS_DIR| tail -1 |awk '{print $1}' dd if=/dev/zero of=ramdisk.img bs=1024…
fakedrake
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Ext 4.1 form panel loadRecord

I have a grid with actioncolumn. On click of actioncolun it shows a menu with edit and delete items. When i click on Edit it should display a modal-popup window with form panel. The row data should be displayed in fields. I'm able to achieve the…
url
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ext4fs can't find ext4 filesystem on mount

I'm trying to mount an iso on my ubuntu 11.04 natty when I df - T I get that ext4 is my filesystem However when I try to mount the iso using the mount -o loop -t ext4 .... I get : can't find ext 4 filesystem Any solutions to that? Thanks for…
Alon_T
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postgresql initdb - directory not empty

I am installing postgres 8.4 on an ubuntu lucid server (no, at the moment we are using the "lucid" LTS version on that server so an upgrade is not possible yet (although we are going to start testing the system on precise quite soon now)) I have set…
MortenSickel
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How do I resize an ext4 partition programmatically?

I want to resize an ext4 partition programmatically in C. I believe I can use libparted to resize the partition, but not the file system? Can anybody point me in the right direction?
Alex Chamberlain
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Apache server can't read directory after filesystem is changed to EXT4

I am running Ubuntu 12.04 with Apache. Recently I had an NTFS external drive connected which was mounted with fstab via this setting: /dev/sdc2 /media/cavalry auto rw,user,sync 0 0 I have several directories on this drive that…
josh
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"cp: cannot create... No space left" -- ext4 inodes and groups

cp failed at 11,328,692 KB / 802,322 files in a single directory creation outside of this dir was still possible, as only 2% of the drive's inodes were used up how do i properly format a drive to store up to 20 mil of ~15kb files in a single dir?…
user1434058
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