Tagged Questions
7
votes
1answer
150 views
How can I mount filesystems with > 4KB block sizes?
I have a 3TB hard disk pulled out of a WD Mybook Live NAS. The partition table is as follows:
Model: ATA WDC WD30EZRS-11J (scsi)
Disk /dev/sdb: 3001GB
Sector size (logical/physical): 512B/4096B
...
12
votes
2answers
305 views
Can the same ext4 disk be mounted from two hosts, one readonly?
I know that mounting the same disk with an ext4 filesystem from two different servers (it's an iSCSI vloume) will likely corrupt data on the disk. My question is will it make any difference if one of ...
0
votes
2answers
861 views
Should a laptop user switch from ext4 to btrfs?
Related to this.
I'd like to take advantage of an OS switch to upgrade to BTRFS.
BTRFS claims to offer a lot (data-loss resiliency, self-healing if RAID, checksumming of metadata and data, ...
24
votes
6answers
2k views
How do I know if a partition is ext2, ext3, or ext4?
I just formatted stuff. One disk I format as ext2. The other I want to format as ext4. I want to test how they perform.
Now, how do I know the kind of file system in a partition?
4
votes
1answer
178 views
What are EXT4 Security Labels?
During Gentoo installation of Gnome keyring, I am told to switch on EXT4 Security Labels, which is described in the kernel documentation by:
Security labels support alternative access control ...
1
vote
1answer
78 views
What is a generic way of finding out whether the kernel has ext4 (or other) bugs?
From /. found this worrisome post by Theodore Ts'o. Turns out ext4 has some journalling problems. How can I quickly find out version numbers of susceptible kernels for this and other bugs?
0
votes
0answers
31 views
Recreating EXT4 partition without losing data [duplicate]
Possible Duplicate:
Can't mount EXT4 hard drive after mounting it in windows
I have a 2TB Western External USB harddisk.
I formatted it to EXT4.
one time I plugged it to a windows ...
9
votes
2answers
1k views
Is it possible to change Inode count on an ext4 filesystem? [duplicate]
Possible Duplicate:
How can I increase the number of inodes in an ext4 filesystem?
I have a homemade NAS with Debian Wheezy 64bit. It has three disks - 2x2TB and 1.5TB, pooled together ...
4
votes
1answer
104 views
ext4 directory lists as a file
I'm working with a large (8TB) EXT4 filesystem in linux. After a power outage, the filesystem wouldn't mount. fsck is taking weeks to complete, but i ran testdisk and i'm able to see my partition ...
4
votes
1answer
2k views
Find which files are affected by bad blocks on ext4 filesystem
I have an ext4 filesystem that recently developed some bad sectors. Running fsck.ext4 -c finds and remembers the bad blocks. How can I find which files (if any) included these bad blocks so I can ...
2
votes
2answers
706 views
ext4 used space (not -m option, not deleted files)
I'm a bit puzzled about the way ext4 reports used space. On a new Debian wheezy (testing) installation, I consistently got about 1GB extra space used with a 60GB SSD, when compared to du. I then ...
5
votes
2answers
1k views
Why is (free_space + used_space) != total_size in df? [duplicate]
Possible Duplicate:
ext4: How to account for the filesystem space?
I have a ~2TB ext4 USB external disk which is about half full:
$ df
Filesystem 1K-blocks Used Available ...
8
votes
1answer
2k views
What does fsck -p (preen) do on ext4?
I was reading a blog post about filesystem repair and the author posted a good question… fsck -p is supposed to fix minor errors automatically without human intervention. But what exactly will it fix ...
6
votes
5answers
2k views
Sync writes very slow. Ubuntu 10.10, 32 bits, ext4
I am running ActiveMQ on my Macbook Pro that runs Ubuntu 10.10, 32 bits with an ext4 partition.
Linux iker-laptop 2.6.35-23-generic-pae #40-Ubuntu SMP Wed Nov 17 22:32:51 UTC 2010 i686 GNU/Linux
If ...
