Ubuntu :: Missing 15% Of Disk Capacity?
Sep 6, 2010
I have a 650 GB ext3 LVM partition with RAID 1 on. The partition is 85% full, but the system says "no space left on device" - where did the 15% go?I ran "tune2fs -m 0 /dev/mda1", so it is not the space reserved for the root - so Nautilus reports the same free capacity as GParted now.Some more info:- Ubuntu 9.10 x64- GParted says 650 GiB, 104.83 GiB free- Nautilus says 104.8 GiB free- The system thinks the disk is completely full - I cannot even create (touch) a new empty file
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Dec 9, 2010
I have a single PC that has two hard disks in it. One is 250GB running Debian linux; the other 1TB running windows. I was switching between the two by going to the BIOS and changing the order of the hard disks to boot from. Both lived happily together in peaceful co-existance. Until....
Lately, I haven't been using Linux, so I decided to convert the 250GB to windows. So I put in the windows install CD, and it all started working fine, but when it came down to setting up a partition, Windows only recognized 130GB (out of the 250GB). I got confused so I decided to re-install linux. Linux recognizes the full 250GB; it recognized that there is a second hard disk running a different OS so the grub gave the option to boot from windows. So after a couple of reboots from both drives I decided to go ahead and install windows on the 250GB. Well again, windows only recognized 130GB, but this time, windows showed me another hard disk again with 130GB capacity. Apparently I stupid enough to proceed so now both hard disks - the 250GB and the 1TB - have capacity of 130GB each. And this is where I'm stuck.
I have tried fdisk, I have tried debug, but for some reason, windows can only recognize 130GB out of the entire disks; linux on the other hand recognizes the full capacity. I also used the seagate disk diagnostic tool (seatools for MS DOS) and it found no errors on either hard disk.
How can I reclaim the full capacity under windows?
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May 21, 2011
I had installed Ubuntu 10.04 on dual boot mode with Windows 7, I had to migrate from windows 7 to XP & again to windows 7. Each time after installation I updated grub. Last time while updating Grub PC went Down due to power failure. I update grub after the supply was resumed and it was successful.
On login I am facing a weird problem, My windows Drive are not appearing in Ubuntu. To access the drives I have to Plug a Pen Drive and access them first from an Application otherwise the don't even appear in Places drop-down list. If I don't plug Pen Drive they don't appear in Applications.
The other problem is that Disk utility shows space unallocated, allocated & Free above the physical capacity of Hard disk. My Hard disk is of 160 GB, Disk utility Shows Unallocated Space 18446744 TB. The Default Partitions made by me are 26GB, 14GB & others of 40 GB each.
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Dec 23, 2010
I wonder if this is possible to extend or regrow the Linux hard disk partition from 8 GB to 20 GB without losing the existing data on the partition ?at the moment this Ubuntu Linux is deployed on top of VMware and I've just regrow the hard drive from 8 GB into 20 GB but can't see the effect immediately.can anyone suggest how to do this without losing the data ?
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Jan 16, 2010
I am attempting to upgrade my system to remove the two aging IDE drives and replace them with four SATA drives. I already have one SATA drive, which means I need a total of 5 SATA ports. My motherboard has two, while I had an existing PCI controller card (Promise TX2-Plus) with two ports. I purchased another card that uses the Sil3112 chip with two ports of its own.I have been running with the one Promise card with no problems for quite some time; lspci output is
Code:
sarmitage@ophelia:~$ lspci
00:00.0 Host bridge: nVidia Corporation nForce2 IGP2 (rev c1)
00:00.1 RAM memory: nVidia Corporation nForce2 Memory Controller 1 (rev c1)
00:00.2 RAM memory: nVidia Corporation nForce2 Memory Controller 4 (rev c1)[code]....
how I can get these two cards working together?
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Jun 13, 2010
I use vuze. I added some torrents to it, but some time after i removed them using vuze's interface. I did these steps:
1. Right button click
2. Remove and
3. Remove both
After doing this, there was no change in my free disk space and some bizare things started to happen. Here is a screenshot about free disk space confusion that is happening. The partition is ext3. Does anyone know what could be the cause of this? How can i fix this? Does anyone experienced the same problem?
Here is a screenshot showing differences in free space displayed by nautilus and df.
Captura_de_tela.jpg P.S.: if this is the wrong forum or thread, please can someone indicate the right one?
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Aug 18, 2010
I started getting this warning that my Home partition disk space was running low, so I ran a disk space analyzer which only told me that I was using about 650 MB. Since I had 5 GB allocated to the home partition, I knew that something was not right. After manually going through all of the primary subdirectories on home, I found the culprit, namely an unexecuted game installation directory taking up about 4.5 GB. So I deleted the files, but then I didn't get my disk space back. I rebooted, no change. I ran this program called sfill, part of Secure Delete, which is supposed to wipe the directory 38 times and totally clean everything off. Still, no change. Any ideas how to reclaim my disk space?
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Apr 19, 2011
Ubuntu has got this build-in check for errors which starts every 30 startups (if I remember well ) but my one gone missing... Strange. How can I turn it back on ?ound in the forum some information about Bonager, but is this original automatic disk check software shipped with Ubuntu or another piece of software ?
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Jan 12, 2010
I've got this problem. Disk usage analyzer says I have a 70.3GB HDD which is correct. However it says that 55.7GB is used even though disk usage analyzer shows me that I have only 21.4GB filled up with data (filesystem). What is taking up all the space then?Could someone help me with this issue? I have tried to search the forums with no satisfying result.Here is the disk usage analyzer output:And here is the df output from terminal:
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda1 73742752 58371236 11625564 84% /
udev 1026116 244 1025872 1% /dev
[code]....
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Jun 22, 2011
I recently decided to wanted to switch from windows to ubuntu 11.04 since linux can do the same work as windows for me. While going with a fresh installation of linux by itself I noticed that instead of my original laptop hdd space of 350gb it said allocated 320gb. I went with the install and now that it is ready the disk manager says I have 280gb space what is this please? Should I reinstall ubuntu to get the missing hd space ?
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Jul 25, 2011
On a freshly installed Ubuntu server 11.04 I noticed that the /dev/disk/by-path directory (and of course it's contents) are missing:
Code:
root@xfiles2:~# ls -lA /dev/disk/
total 0
[code]....
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Apr 14, 2010
One of my raid disks (was a software raid5 with 4 drives) failured. I wanted to buy a new 1.5TB harddisk anyway so i i copied all the Raid data onto the new disk and disconnected the old ones. But then the new Disc crashed right before i could mirror it with another 1.5TB disk. So i need to reassemble my old Raid 5 now. I connected the drives in the former order except the first one, because this was the failed disk. The problem is, mdadm can't find the raid, no superblocks. Fdisk doesnt show mdraid superblocks, too. But fdisk has never showed superblocks. The thing is, this raid was crypted, but i crypted the /dev/md0, so this doesn't affect anything here, or?
some infos:
Code:
server:~# mdadm --misc -d /dev/sda
mdadm: option -d not valid in misc mode
server:~# mdadm --misc -t /dev/sda
[code]....
Disk /dev/sdc doesn't contain a valid partition table But fdisk always said there is no valid partition table and the raid was working.
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Nov 23, 2010
My raid array has failed. I have two disks /dev/sda and /dev/sdb./dev/sdb has failed and I could not rebuild the array(madm returned that the device is busy) so I rebooted the machine. After that, the whole sdb disk went missing, as it now only shows sda in fdisk -l.Did the disk went totally dead or my raid glitched?
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May 29, 2011
why my df -h command is telling me I'm missing 18G?
***
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_aikifedora-lv_home
357G 272M 339G 1% /home
***
This was 'df -h /home' straight after a fresh install. It says it's 357G in size, but even though 272M is in use, it's telling me I have only 339G left available. Where did that extra 18G go?
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Jan 15, 2011
My root partition seems to missing 1.6 GB of space. From "df -k" I get this output code...
I can't find any rootkits with rkhunter and chkrootkit, and fsck reports no errors.
Does anyone have any idea what might be going on here?
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Feb 19, 2010
I seem to have a major discrepancy between what df reports and what du reports. df tells me that I am using 20G, but I am only able to find 9.5G using du. What follows are the ls -l of root, a df of my system, and the du for every directory in root that is not a symbolic link, mnt, or proc. I would appreciate any suggestions on where to look for the remaining 10.5G that seems to have disappeared.
I am running under VM Player code...
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Aug 11, 2011
I do not have the machine personally but a friend of mine says her netbook with Linux detects the disk in the bios, but can not access it during the live usb. (but it worked previously). I have confirmed this with fdisk as fdisk detects the other devices as /dev/sdb and /dev/sdc, so it knows there is supposed to be a /dev/sda, but it is not there.
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Nov 3, 2010
Purchased (4) 2TiB Drives (actual disk space) and created a RAID5 array expecting to have 6TB of useable disk space, however actual useable space is 5.46TiB.
So, the question is where did the disk space go?
First off, I can say for certainty the disks actual useable is verified at 2TB each have mounted and formated on a non-linux system (OSX).
Disks - 2TB Per disk, Tested HFS, Actual 2TB Useable
root@server:/server# fdisk -l 2>/dev/null | egrep "sd[hijk]" | grep Disk
Disk /dev/sdh: 2000.4 GB, 2000398934016 bytes
Disk /dev/sdj: 2000.4 GB, 2000398934016 bytes
Disk /dev/sdk: 2000.4 GB, 2000398934016 bytes
[Code]....
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Aug 3, 2010
What is the maximum amount of ddr that can be installed in a 64 bit ubuntu linux system computer?
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Apr 20, 2010
Just rebuilt my file/print server using an ECS 945GCD-M Atom motherboard. Running it under 9.10 (2.6.31-20) using the same cable and port on my Netgear switch that my old server connected to at 1GB/s without issue (old server's NIC was Intel-based).
Found the driver is an AR813x, & downloaded & installed the latest driver from here (1.0.1.9). sudo lshw -C network now shows that it's using the new driver, but still sitting at 100MB/s:
Code:
*-network
description: Ethernet interface
product: Attansic Technology Corp.
[Code].....
I can't seem to get it to come up at the full 1GB/s. I also tried ethtool -s eth0 speed 1000 without success. why networking restart ignores eth0?
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May 28, 2010
my laptop battery capacity has gone low due to constant charging or whatsoever reason. previously it was at 62% and within 2 months its gone down to 32%. I use the laptop atleast for 18hrs every day. so is ther any solution to prevent my battery from losing the capicity.
i use dell studio 15 laptop, with 3 gigs of ram, lithium ion battery(56Wh), ati card, using compiz, p8600 processor. i use this for app development and for listening to music and videos.
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Jun 15, 2010
I've recently completed a fresh install of 10.04 on a home file server and upgraded the hard drives in my storage array. My PREVIOUS hardware was:
Old version of Ubuntu (I forget which one exactly, but I know I had missed a few upgrade cycles)
3X 500 GB Seagate Baracuda's (for the array)
Areca 1220 Hardware RAID controller
Intel Core 2 Duo 6600
320 GB Seagate for the boot drive
I was running that hardware for about five years or so and it was rock solid. After the upgrade the hardware specs are:
Ubuntu 10.04
Areca 1220 hardware RAID controller
4x 1000GB Samsung
Intel Core 2 Duo 6600
320 GB Seagate for the boot drive.
The fresh install of Ubuntu 10.04 went remarkably well. The drivers for that raid controller are in the kernel, which is great. I was able to access the old array after upgrading Ubuntu. Now I am trying to create a new array with the four 1000 GB drives in a RAID 5. Obviously that gives a maximum storage capacity of 3 TB, greater than the 2 TB threshold that seems to be so important. I've been doing some digging and here is where my questions start:
it appears as though gparted doesn't support file partitions greater than 2 TB, correct?
it also doesn't seem as though parted supports ext3 or ext4, is that correct?
If this is the case, how do I create a partition with ext4 that is greater than 2 TB?
I can see the array volume in gparted (which is a relief) but it lists the size as 2.73 TiB, which I find curious because that is over 2 TB, but not the full capacity of the volume. I can also get to the volume in parted. But I see in the parted documentation that using the makepartfs command is discouraged and instead, one should use the command mkpart to create an empty partition, and then use external tools like mke2fs ( to create the filesystem.
how to proceed from here. What does the community think is the best course of action to create a partition of 3TB in ext4? Then I need to change fdisk to automatically mount the array at every log in, right?
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Aug 17, 2010
I have window 7 and Ubuntu 10.04 on my laptop.As you know if I extend the capacity of my ubuntu partion in window, I will lose ubuntu and I should reinstall it.I want to know if there is a way for extending my ubuntu partition from 20 Gb to 30 Gb without loosing ubuntu and windows?
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Sep 25, 2010
I have an 8gb sandisk cruzer flash drive that I wanted to remove the U3 software from. I used with this:and ran it on my windows machine because wine didn't work for itbut after it removed U3 my card only had 3.8gb. Is there any way to restore it back to 8gigs?I've already tried reformatting with the disk utility and it just doesn't give me the option to format higher than 3.8gb.
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May 18, 2011
1 Areca controller 1222 divided into 2x250Gb in RAID 1 for my Ubuntu installationm6x 2Tb in RAID 5 for my data (mounted as logical drive) resulting in 8Tb of available space (also visible in the disk utility of Ubuntu) Ubuntu 10.04 LTS
Now the problem; when I check the capacity in the file browser on my mounted data drive, I only see 5,1 Tb of total space.
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May 11, 2010
Why when I create ext partitions it reserves 10% of hard capacity?
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Jul 8, 2010
I have a Lucid Lynx server running with a 6 GB for /home and a data partition of 400 GB mounted inside home (/home/user/data). The data partition is shared through SAMBA for access by other windows machines on the network. However, the capacity of the samba share shows up only as 6 GB (or less) while the actual capacity is 400 GB. I am assuming that this because it is mounted within the home partition. I understand that 400 GB is still available even though the SAMBA drive shows only 6 GB (or less) capacity.
The problem is, I am trying to setup Windows 7 Backup and Restore on one of my laptop. The backup stops with an error that the network drive does not have enough disk space. I think that this is because the samba drive only shows up as 6 GB or less capacity even though it can store more.
How do I fix this problem? How can see the actual size of the SAMBA drive (in my case 400 GB) in stead of the remaining space in /home partition? I know I can reformat my drive and make my /home 400 GB. But I am not sure if this will fix the problem. However, I will prefer to this without formatting.
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Apr 25, 2011
I can use dvd+rw-mediainfo to report the capacity of a loaded blank recordable DVD. Does anybody know of an equivalent program for CDs?
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Nov 13, 2010
First of all, this isn't really a problem for me, but I'm just curious. In the past when I started a data CD project, I remember that k3b used to start me with a "blank CD" of 700MB and then expand to a "blank DVD" of 4.4GB when the amount of data exceeded the capacity of a CD. Normally I just make an ISO image for the CD and burn on another machine (for a reason not relevant here).
Today, it started me off with a "blank DVD" right away. It's not a problem because the ISO format isn't different and the data is under 700MB anyway. How come? Ah wait, I think I know what it is, there's a DVD+RW in the drive at the moment so k3b got too smart and assumed that I wanted to write to it, even though I selected Create image only.
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May 22, 2010
I just bought a laptop with a T4400. Looking through lshw output turned up the following for the L2 cache:
Code:
*-cache:1
description: L2 cache
physical id: 6
slot: L2 Cache
size: 1MiB
capacity: 4MiB
capabilities: burst internal write-back unified
I'm curious as to why the size (1Mib) and capacity (4MiB) are different. Surely it can't be possible to stick something on the CPU to increase the L2 cache size, right?? So what does this mean?
I'm running 64-bit Linux Mint (derivative of Ubuntu). The kernel config says CONFIG_X86_L1_CACHE_BYTES=64 but I found nothing about the L2 cache.
Can I somehow unlock more cache to get a 4MiB L2 cache for free?
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