All Questions
23
questions
0
votes
1
answer
8k
views
Why do disk errors appear in dmesg output even though fsck has not been run?
I have an 8TiB disk attached via UBS3 and formatted into 3 EXT3 partitions which I use as a backup drive (it's plugged into a SATA cradle).
The disk has been attached and mounted for several days ...
- 3
0
votes
1
answer
935
views
Is it required to manually run e2fsck at regular intervals?
Is it required to manually run the e2fsck (used to check a Linux ext2/ext3/ext4 file system) at regular intervals, an if so, how often should I run it?
Or can I rely on a present S.M.A.R.T. (Self-...
- 280
53
votes
3
answers
10k
views
Is there a way to make ext-filesystems use less space for themselves in Linux?
I have a bunch of external and internal HDDs that I use on a Linux system. I only have Linux systems, so using a Linux file-system would only make sense, right? However I'm currently using NTFS ...
- 2,505
0
votes
1
answer
207
views
Why do directory trees use less space on ext4 filesystem than ext3?
I got a new external disk to replace an older one that has shown signs of trouble. I used rsync to copy the contents of the old disk to the new one. To check if the copying had worked properly, I've ...
Jon Slavin
2
votes
2
answers
243
views
Do ext3/4 file systems accumulate errors naturally (as reported by fsck)?
I run a number of CentOS 6 64bit servers with ext3/ext4 file systems. As far as I can tell, none of them have been shutdown improperly, but all of them have accumulated some file system errors that ...
- 332
1
vote
1
answer
294
views
Can ext2fsd be used to turn a volume as NTFS?
I have a ext4 formatted hard drive. Could I plug it into my Windows system using ext2fsd, and turn it into NTFS using the following steps?
Plug ext4 formatted drive into Windows using ext2fsd.
...
- 125
0
votes
1
answer
57
views
How many actual files were you able to store in a CentOS folder? [closed]
I found many questions about the total files limitations of the CentOS file-system, but I was curios in actual real-world situation, how many files people were able to store in one single CentOS ...
- 272
16
votes
1
answer
5k
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 ...
- 585
1
vote
1
answer
220
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 ...
- 121
22
votes
4
answers
8k
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.
/home/...
- 353
0
votes
2
answers
701
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 ...
- 509
1
vote
2
answers
573
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.
Peter
12
votes
3
answers
9k
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:
(e....
- 223
0
votes
1
answer
166
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 ...
- 101
9
votes
2
answers
19k
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?
- 497