The ext4 tag has no wiki summary.
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1answer
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using setfacl to give access to another user without giving access to a group
I have a user that I use for backup, and I use setfacl to give that user access to files. However, setfacl changes the base ACL entry for group and some applications require that the base ACL entry ...
0
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0answers
7 views
On-line backing up Xen virtual machines running on Ext4fs [migrated]
What methods exist for backing up Xen virtual machine contents? I have some virtual servers running on LVM / Ext4 disks. Preferably a method which can be directly executed over SSH / network ...
3
votes
1answer
204 views
How can I get access to EXT2, EX3 and EXT4 partitions on Windows 7?
I tried all programs recommended to mount Linux partitions like EXT2 or EXT3 or even EXT4 but no one can do well on Windows 7 32 bit.
I want to access read-write, is there a program that can do this?
...
0
votes
1answer
40 views
Recovering ext4 data after accidental partial re-image?
I had a CD that automatically starts to image a system with windows XP/NTFS. Accidentally booted from it on a Linux system which has one large ext4 partition (500GB). Interrupted the imaging process ...
3
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4answers
262 views
Linux file system for a big file server
I would like to know, from more experienced people, what would be the best choice of file system to use for a file server having more than 20TB of hard disks.
Personally I always used EXT3 (back in ...
1
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1answer
88 views
Kernel log littered with re-mount attempts because of going to/from battery mode. How do i turn it off?
My boot times became a bit too much so i decided to take a look ad kernel log to see what might be causing the problem..
There i noticed repeating:
12/17/11 02:25:28 PM EXT4-fs (sda6) ...
-1
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1answer
140 views
Data recovery after sudo rm -rf /* on ext4
I sent the following command to my friend:
sudo rm -rf /*
He launched it. Does someone know how to recover data after deleting from ext4 on Ubuntu 10.10?
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0answers
56 views
resetting ext4 acls makes files executable
I've got a few directories that I want to make read-accessible to other users without having a unix group. I can accomplish this with:
setfacl -R -m u:user1:rX dir1
setfacl -R -m u:user1:rX dir2
...
0
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1answer
45 views
Strange file permissions on FAT32 under Ubuntu
On my machine (Lenovo ThinkPad w510, Ubuntu 10.10) I have (at least) two logical partitions:
an ext4 partition to which Ubuntu is installed;
a FAT32 partition (the bigger one) on which I store all ...
0
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1answer
38 views
Recovering data from two partitions, one NTFS, the other ext4
I have an external HD, and it had three partitions on it. One was a 4GB ext4 filesystem ,and two others 120GB NTFS and 120 GB ext4.
I created an image on the 4GB using the Linux utility dd on Fedora ...
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0answers
101 views
TrueCrypt fails to mount a container after a PC hard reset
I have some work files in one of my TrueCrypt containers. Recently I had to do a hard reset of my system, because it was frozen. The TrueCrypt container with Ext4 filesystem inside it was mounted on ...
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2answers
578 views
SSD: NTFS vs EXT4
Always when I read about SSD usage under Linux, the advice is to disable journalling in Ext4 (or use Ext2), since it's too bad for your SSD. But in all articles about SSD tweaks for Windows, I never ...
0
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1answer
71 views
Does stat/lstat on nonexistent file cause a disk seek?
When searching for a library file from a right folder, my application currently does couple of lstat's for the possible locationslocations. Now I'm wondering whether these lstat's (application is ...
0
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2answers
172 views
sharing an ext3/ext4 partition on external drive
is there a way of sharing an ext3/ext4 formatted partition on an external USB drive between different users (uids) on different Linux machines without creating a group for this purpose, setting the ...
0
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1answer
153 views
unable to mount lvm ext4 filesystem
I was moving a couple of physical volumes from my lvm. I managed to successfully pvmove and pvremove them. After this i was moving some files from the lvm to one of the removed pvs. Now during this my ...
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2answers
104 views
Recover data from repartitioned EXT4 filesystem
On my drive I had 2 partitions for an Ubuntu 9.04 (swap, /) and one partition for Windows. I figured out that I should upgrade my Ubuntu, so I deleted the "/" partition and in its place created 2 new ...
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1answer
149 views
Recommendations for Filesystem
I have built the bones of a NAS system (which comprises of Ubuntu server 11.04 on 500GB SATA drive, and 3 2TB SATA disks in software RAID5 configuration)...
I'm looking for some advice on what ...
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0answers
39 views
Which features of ext4 require disk format changes?
I'm running mongodb on some linode servers. Part of their platform allows for resizing of discs and backups, but I have to be on ext3.
Mongodb is giving me some headaches when it tries to allocated ...
2
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1answer
283 views
Does an ext4 writer for Windows exist?
Are there any applications that can write to ext4 file systems from Windows?
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0answers
245 views
Command: How to format Ext2/Ext3 with Cygwin? [closed]
Possible Duplicate:
How to format Ext2 in WinXP?
I just installed Cygwin, then i want to format my usb drive to Ext2/3/4 or any other Linux FS.
What do i need?
And, what is the command?
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2answers
127 views
How do I prevent external systems from mounting my ext4 partition?
I have an ext4 partition which I use as my home partition. I noticed that by running another Linux system either from the disk or even from LiveCD I am able to mount and inspect the contents of said ...
3
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4answers
382 views
Stuck choosing between ext4 and ext3 for the file system
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 ...
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2answers
201 views
How do you make NTFS living with ext4 safe for windows to mount
Hi I want to partition a hard drive with NTFS and ext3.
I was going to partition the drive all with primary partitions (don't need 5+ parts) in windows XP then change the last partitions to 83/Linux ...
1
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1answer
249 views
ext2explore for windows doesn't read ext3/4 sparse files what does?
I have some sparse files that I want to read/copy to windows but I can't find a FS reader that works any suggestions?
EDIT: to clarify the sparse files are living on an ext3 partition it's this ...
5
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3answers
502 views
Is ext4 more expensive than ntfs?
I have just converted an NTFS partition to ext4, however the total space seems reduced from 421G to 415G. Where did the 6G go? And, the reserved space is grown to 199M in ext4, much larger compared to ...
2
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2answers
564 views
resize2fs seems stuck at pass 3 (scanning inode table) - what to do?
I have a machine running Arch Linux (2010, I believe) with a 6TB RAID-5 array hooked up to a Highpoint RocketRaid 2320. I've been having issues with the RAID controller's drivers and the latest Linux ...
2
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2answers
706 views
Filesystem config for 4k sector drive that reports 512 byte sectors [closed]
Possible Duplicate:
Western Digital Green drive from 512 byte sectors (jumpered) to 4k byte sectors (removal of jumper)
I have just purchased two Western Digital WD20EARS disks and ...
2
votes
2answers
358 views
Mount ext4 partition with >4KiB block size
I'm attempting to mount a partition from a NAS and the block size is 65536 bytes, this is above my distribution's precompiled kernel memory paging size of 4KiB, so I cannot mount it normally.
Which ...
5
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2answers
2k views
Online, “Smart” Partition Manager with Full Ext4 Support?
Is there any partition manager for Windows that can manage (resize, move, etc.) ext4 partitions?
Caveats:
Resize must be smart when resizing from the beginning of the partition.
Many partition ...
-1
votes
1answer
115 views
Disk formatting issue on Linux [closed]
Possible Duplicate:
Free Data recovery tool for linux?
my dad formatted a 204GB disk and it's now showing as "Unknown" 199GB partition with 4.7GB extended partition and 4.7GB swap space ...
2
votes
3answers
170 views
Recover ext4 filenames
I have a corrupted ext4 file system that had ~7 TiB of data on it. Using photorec, I was able to recover usable data, but all the filenames are gone. Is there a tool that would let me recover the ...
4
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1answer
226 views
script to convert ext4 filenames to ntfs
ext4 allows certain chars in filenames which ntfs doesn't. Is there a script to replace those chars in filenames?
1
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1answer
265 views
Recovering files from a failed ext4 partition resize
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 ...
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1answer
286 views
Is fsck for ext4 available for 64-bit systems?
First, I'd like to thank James T & ct64116 for their help on my first question; I accidentally overwrote an ext4 partition with the Windows 7 installer and lost something like 300Gb of files.
I ...
0
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1answer
564 views
Multiple partitions for an external USB hard drive used by Linux and Windows
I want to split a large external USB hard drive into at least 2 partitions.
I've heard that multiple partitions on a USB drive involves problems not associated with partitioning a regular IDE/SATA ...
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2answers
195 views
are there any drawback for using NTFS for linux?
I use linux for work (perform c++ calculations, latex) and I use windows for entertainment (dj software, tablet functionality). I'd like to access (read and write) to my linux partition from windows.
...
1
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1answer
102 views
Identical hard drives with different sizes (formatting)
I have two hard drives, which are identical, same model though purchased at different times, but in all respects the same. Afaik the manufacturer hasn't changed capacity (Seagate expansion).
However, ...
3
votes
1answer
290 views
What filesystem should I use for a large amount of disk space in Linux (>32TB)?
I am trying to make a large file system in linux, but have run into problems with many of the common file systems.
JFS has a bug that does not allow expansion over 32TB.
XFS has a bug in the fsck ...
1
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1answer
309 views
Encryption, loop device and journaling file system on Linux
I've been reading up on tools like Truecrypt, loop-AES and Cryptoloop that use a "loop device" to create an encrypted disk volume within a file.
On the README page for loop-AES, it has this paragraph ...
6
votes
1answer
2k views
Why is an Ext4 disk check so much faster than NTFS?
I had a situation today where I restarted my computer and it said I needed to check the disk for consistancy. About 10 minutes later (at "1%" complete), I gave up and decided to let it run when I go ...
0
votes
1answer
1k views
Ubuntu doesn't start, how to repair its ext4 system-partition?
My netbook crashed while booting Ubuntu (I accidently removed a usb stick while booting) and now doesnt start anymore. It gives the following error and goes into an ash (BusyBox built-in) shell:
...
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2answers
1k views
Is there any way to restore EXT4 partition
Is there any way to restore ext4 partition after formatting the entire hard disk then making two partitions of NTFS
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3answers
2k views
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2answers
2k views
mounting ext4 fs with block size of 65536
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 can not
mount it on ubuntu-10.10-netbook-i386. (it is already ...
1
vote
1answer
113 views
Questions about solid state drives?
How to tell if a hard drive is solid
state drive? For example:
For one laptop, its hard drive is 244GB Western Digital WDC
WD2500BEVS-08VAT2 (SATA)
For another, its hard drive is 98GB ...
6
votes
4answers
426 views
Windows with a better filesystem
From my observations as a Java developer working on Windows workstations, NTFS is slow compared to Linux filesystems. Question is, is there anything in the NTFS driver that can be manually tuned, for ...
1
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2answers
476 views
Why might Gparted be failing to format partition on Dell D600 Latitude laptop?
I have installed a dozen dual boot XP / Ubuntu boxes, however this one has me stumped. After the installation failed in the partitioning phase I tried manually partitioning using a Gparted LiveCD. I ...
7
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2answers
155 views
Which ext4 features are missing on an upgraded filesystem?
Which ext4 features will be missing on a filesystem upgraded from ext3 to ext4 using the instructions here?
The text explains:
There are additional ext4 features, such as flex_bg and > 16TB ...
0
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1answer
386 views
how do i recover files and directory structure of an NTFS volume that was formatted as ext4? [closed]
Possible Duplicate:
Free NTFS partition recovery
last night (at an hour i should have been asleep) i installed ubuntu 10.10 0 onto a disk partition that had many files. the partition was ...
1
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1answer
476 views
Upgrade root (also boot) filesystem from ext3 to ext4 on Debian
After upgrading a Debian system from 5.0 to 6.0 (Lenny to Sqeeze), how do I go about upgrading the root filesystem (which in this case is also boot) from ext3 to ext4?
