0
votes
0answers
16 views

How much data needs to be written to format a drive for ext3 / ext4?

If formatting a hard disk with mkfs.ext3 or mkfs.ext4, how many mb's will be written per mb space formatted?
13
votes
1answer
549 views

After deleting lots of large files, free space increases with a large delay

Yesterday, I have deleted 71 GB of files on my home/media server. Free Space before: 117 GB Free space after: 126 GB So, instead of having 71 GB of additional free space, I only had 9 GB. I have ...
1
vote
1answer
68 views

ext3 vs ext4 bonnie++ rand/seq create speed

I am testing the difference between ext3 and ext4 for our application. When I run both filesystems through a bonnie++ test, the results for file creation on ext4 aren't very good. While ext3 can ...
15
votes
3answers
739 views

Moving 2TB (10 mil files + dirs), what's my bottleneck?

Background I ran out of space on /home/data and need to transfer /home/data/repo to /home/data2. /home/data/repo contains 1M dirs, each of which contain 11 dirs and 10 files. It totals 2TB. ...
0
votes
2answers
259 views

Linux: Should off-site backups be stored in ext3 or ext4?

We have been using ext3 for Linux server off-site backups. With everything else on CentOS 6 being ext4, I'm wondering if it would be a better idea to also have the off-site backups in ext4 too? The ...
1
vote
2answers
113 views

I have an ext3 iso disk image. Can I use it and write it to a ext4 partition?

Is it possible to do so ? I am migrating to EXT4 because of the SSD drive that has TRIM funtion. I have to have ext4 partion.
1
vote
1answer
539 views

Reverse lookup of inode/file from offset in raw device on linux and ext3/4?

In linux, given an offset into a raw disk device, is it possible to map back to an partition + inode? For example, suppose I know that string "xyz" is contained at byte offset 1000000 on /dev/sda: ...
0
votes
1answer
80 views

Dealing with different usernames when mounting removable media in Linux

I have a laptop in which my username is, say, "foo". I have an external drive, formatted with Ext4, for which all files are owned by "foo" (at a filesystem level). Now, I have a desktop in which my ...
5
votes
2answers
9k 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
0answers
274 views

Command: How to format Ext2/Ext3 with Cygwin? [duplicate]

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?
7
votes
5answers
8k 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 ...
1
vote
1answer
749 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 ...
6
votes
2answers
3k views

View bad blocks on mounted ext2/ext3/ext4 filesystem

I've ran fsck -c on the (unmounted) partition in question a while ago. The process was unattended and results were not stored anywhere (except the bad block inode). Now I'd like to get bad block ...
1
vote
1answer
174 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 ...
7
votes
2answers
220 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 ...
1
vote
2answers
1k 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?
2
votes
1answer
495 views

Determine which sectors of a hard disk a given file occupies?

Is there a way I can see which sectors of the hard disk a given file occupies? The filesystem is ext3 or ext4 on Linux.