3
votes
2answers
132 views

dumpe2fs - lifetime writes - what is it

For example, if I run: sudo dumpe2fs /dev/sda1 I get detailed information about the partition. I'm confused about this part, Lifetime writes, returns the following for my boot partition: Lifetime ...
0
votes
0answers
69 views

jdb2 keeps Hard Disk busy all the time

My system became too slow last few days. The hard disk indicator is on all the time. To discover which process is keeping the disk busy i run this command: # while true; do date; ps auxf | awk ...
1
vote
0answers
39 views

Optimization for an SSD?

I am running Fedora 20 on a Laptop ( Lenovo Ideapad Yoga 2 Pro ) with an SSD. My filesystem is LVM with ext4 as the format option. I am now running Fedora as the only OS on the system with Legacy BIOS ...
4
votes
2answers
223 views

Why is dd using direct slower writing to disk than to a file

I am trying to compare aggregate write rates when writing to a file in a GPFS file system, as compared to writing directly to a disk on a system with Red Hat Enterprise Linux Server release 6.4 ...
3
votes
2answers
992 views

How to repair a corrupted HFS+ partition from a damaged hard-disk?

I have a friend's Mac OS X disk that comes with an HFS+ partition. I am supposed to recover the personal data from this disk, and I'm not yet sure if the filesystem is corrupted or the disk is dying). ...
0
votes
1answer
56 views

where is the user content on a Mac OS X disk?

I have a friend's Mac OS X disk that comes with an HFS+ partition. I am supposed to recover the personal data from this disk (it's not yet clear if the FS is corrupted or the disk dying), but for the ...
0
votes
3answers
155 views

Software RAID 1 with dissimilar size and performance drives

Background I was experimenting with a home server setup in a small box I had that was supposed to be a media centre but never found much use. I installed CentOS 6.5 in a software RAID1 configuration ...
1
vote
1answer
90 views

Filesystem not showing correct size in Mac OSX

I installed a new HDD and transferred my old data to it by using dd on my old HDD and then dd again to the new HDD. However, when booting from the new HDD, it does not recognize the new, larger disk ...
2
votes
0answers
399 views

find ount what [flush-8:0] is writing

Using iotop, I found out that [flush-8:0] is doing a lot of hard disk activity, which explains the annoying slowdowns. However, I can't figure out what's the actual cause behind this flushing. No ...
3
votes
2answers
363 views

Does the order of partitions matter much?

I've just ran a test install of Arch on a separate computer, and now I'm ready to do the real thing on my main one. However, since the guide didn't explicitly recommend it, I did not install with a ...
3
votes
1answer
662 views

Copying Linux NFS files to a standard consumer external hard drive

I am a graduate student and a relative Linux novice. My institution has an in-house Linux cluster on which I run many scientific simulations. I have a Windows desktop computer from which I access ...
2
votes
2answers
269 views

Can I recover from a system disk error on Ubuntu Linux?

I got a strange looking warning message in Windows Vista about a potential hard disk failure. I say strange because I have never in my life seen that type of warning in Windows. It suggested that I ...
1
vote
0answers
164 views

Negative hdd usage. Available is larger than fullsize

Having issues with space accounting of lvm volume. 23G is available. But the full size of the partition is 20G. (So, it shows "-4.1G used" 0_O) > df -h Filesystem Size Used Avail Use% ...
1
vote
2answers
382 views

Why does e2fsck fail during boot, but not later?

When booting my Debian server, I'm presented with the following error concerning my external hard drive: /dev/disk/by-label/elements: The superblock could not be read or does not describe a correct ...
3
votes
4answers
2k views

What is the concept of Drives in Unix Systems?

In windows, we have C drives where all the softwares are installed and other partitions e.g; D, E etc to store our data. Now once we reinstall the windows for some reason, we install everything again ...
2
votes
2answers
4k views

How to Expand LVM2 Partition in Fedora Linux

I've been using Fedora 15 on a VMWare virtual machine. Over time, the disk space I initially allocated for the file system began to run out, only 12GB left. I've expanded the disk space an extra 25GB. ...
4
votes
2answers
700 views

Not enough space on / to install new kernel update

During a recent update I received this: Installing: kernel-default-2.6.37.6-0.11.1 [error] Installation of kernel-default-2.6.37.6-0.11.1 failed: (with --nodeps --force) Error: Subprocess failed. ...
4
votes
2answers
761 views

Salvaging a “broken” hard drive

My girlfriend's macbook's hard drive failed, so I gave her a new one and reinstalled OSX on it. Works fine. However, I wanted to see if I could use her old hard drive for backups/fun. I was able to ...
1
vote
3answers
658 views

Safest HardDrive Format for Archiving/Media Storage Data?

What is the safest hard drive format (NTFS, HFS+, XFS, ZFS, ...) for archiving or/and storing media (data)? I'd prefer to have the data not corrupt and be relatively safe (From corruption, ...) and ...
3
votes
1answer
11k views

EXT4-fs (sdc): VFS: Can't find ext4 filesystem

In short, this is where I found the best answers to my problem with my disks: https://help.ubuntu.com/community/DataRecovery During Fedora 15 installation, I added all my 3 drives to be mounted on ...
4
votes
3answers
332 views

What would be a good choice for an elastic file system (for adding storage at a later date)?

I'm currently running a Debian 6.0 server with EXT3, but I'd like to move over to Arch. It's being used as a file server right now with a 1TB drive in it (of which 650GB in it is used). What I'd like ...