Tagged Questions

Disk partitioning is the act of dividing a hard disk drive into multiple logical storage units referred to as partitions, to treat one physical disk drive as if it were multiple disks.

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501 views

If I have an SSD and a hard disk in a system, can the SSD act as cache for the hard disk?

Say I have some partitions; one on a SATA drive and one on an SSD. I want to create a "virtual" hybrid disk. Is this possible?
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votes
3answers
3k views

Create swap partition after install

I already have parititon contain data under lvm enviroment with centos 5.8 output of fdisk -l root@server [~]# fdisk -l Disk /dev/sda: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, ...
3
votes
1answer
900 views

Create Logical Volume with non-LVM partition

I'm not sure if the title actually depicts my question, but I will try to explain. I have seen everywhere it is mentioned to create a partition of type LVM (8e) and then create logical volume with ...
4
votes
2answers
131 views

Why would I want to create more partitions if RHEL will only recognize up to 16?

During some basic RHEL training, I came across this blurb: Although it's possible to create more, RHEL will recognize only up to 16 partitions on any individual SATA, SCSI, PATA, or virtual hard ...
3
votes
3answers
931 views

FreeBSD and Linux shared partitions

Which directories, and how, can I share between FreeBSD and Linux? In particular, how can I deduplicate respectively /usr/home and /home? I guess directly sharing a partition between both systems ...
1
vote
1answer
681 views

Installing Boot and OS on SSD, rest on HDD

Okay so I got an SSD for my notebook and I'm currently setting up my system. On the SSD I'd like to have the main OS (Crunchbang in this case) and maybe some swap whereas on the HDD I want my Home ...
0
votes
1answer
103 views

Strange IOStat xk. Moving a mere 40GB data is too slow. Can anyone explain?

iostat -xk 5 avg-cpu: %user %nice %system %iowait %steal %idle 0.99 0.00 1.10 11.01 0.00 86.89 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s ...
2
votes
1answer
3k views

fdisk isn't showing my hard drive as properly formatted (but it is)

I've got 3 1TB drives which I've set up to use LVM. Here's the output of pvdisplay: --- Physical volume --- PV Name /dev/sda1 VG Name vgpool PV Size ...
5
votes
1answer
4k views

Updating disk free size without rebooting the host

I use RHEL4 with LVM2 on it. At times even after removing large files more that a GB the partition size is not getting updated when is see using df command. -bash-3.00$ df -h Filesystem ...
1
vote
1answer
960 views

What is Partition System ID?

If I go to fdisk, and I type t and then L I saw: 0 Empty 24 NEC DOS 81 Minix / old Lin bf Solaris 1 FAT12 39 Plan 9 82 Linux swap / So c1 DRDOS/sec (FAT- ...
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4answers
2k views

Optimal Setup for Windows & Linux - Sharing and Partitioning

This question gets a little complicated so please bear with me. So we have a new custom designed desktop which we will be mostly a dedicated machine for scientific computations in FORTRAN and ...
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votes
3answers
2k views

How should I prevent data corruption on an NTFS partition shared by Windows and Linux?

I use Linux for most of the things but I still need Windows sometimes. So, I have Linux Mint 14 and Windows 8 installed (dual-booting) on my computer with the following disk setup: sda1: The 350 MB ...
1
vote
2answers
151 views

I deleted the /boot server is still running is reinstall necessary?

This is stupid. I ordered 2SSD from a provicer. Usually I am the one doing the partitioning and formatting. I will then know which one is the SSD by looking at disks that's not partitioned yet. Turns ...
3
votes
1answer
310 views

Removing windows partition from dual-boot

I have a dual boot of Windows 8 and Linux Mint 14. I want to remove the windows partitions and format them to ext4. sudo fdisk -lu gives me this.. Disk /dev/sda: 320.1 GB, 320072933376 bytes 255 ...
1
vote
1answer
388 views

Failed to boot Grub Error Fedora 17

I had two hard disks. One is internal, 320GB, all NTFS, where Windows 7 is installed in a ~20GB partition. The other is external, 160GB, where I have installed Fedora. Now when I had installed Fedora ...
2
votes
0answers
188 views

Tool to reduce a partition's size and create a new one from the command-line

At the moment I don't have any free space: (parted) mkpart Partition type? primary/extended? primary File system type? [ext2]? ext4 Start? 60G End? 62.9G Warning: You requested a partition from ...
2
votes
2answers
116 views

Copying and expanding partitions

I currently have the following setup: 2TB HDD /dev/sda: /dev/sda1: (NTFS) Windows 7 Boot Partition: 100GB 1TB HDD /dev/sdb: /dev/sdb1: (EXT4) Linux General/Backup Partition - 1TB 256GB SSD ...
2
votes
1answer
868 views

Mac OS X partition type problem

As a 2 decades of MS-Windows user I have switched to Mac OS X a month ago. And my knowledge is not enough to fix my big problem which I encountered yesterday and my brand new MBPro is dead now. I ...
0
votes
1answer
264 views

gparted partition master boot record corrupt

I was trying to Linux Mint from live-usb and made a stupid mistake. I created master boot record and my HDD partition become unallocated. After rebooting from live OS, I'm unable to get to boot menu. ...
1
vote
1answer
151 views

Don't have write permission in partition

In my PC I have installs Windows7 and then Ubuntu as OSes. When I try to access other partitions ( E: and F: which I'm using from Winsows7 OS) it get mount without any issue and can read and modify ...
2
votes
2answers
906 views

Moving a root directory to a separate partition

I'd like to create a new partition and move the contents of the /var directory to it for the security reason of having /var/www and other subdirectories "mounted" with nosuid, noexec, and nodev ...
3
votes
2answers
4k views

Do I only need one swap partition for multiple Linux distros? (and other questions)

I have Linux Mint 14 installed as my only OS. I have one extended partition containing /swap, / and /home, and I have some unallocated space on my drive. I'm guessing that Mint decided to put this ...
2
votes
1answer
790 views

convert /dev/md0 to /dev/sda1

I used a Software-RAID I and want to access the data without RAID now. After mdadm --fail /dev/md0 /dev/sda1 mdadm --remove /dev/md0 /dev/sda1 I tried mount -t ext4 /dev/sda1 /mnt but dmesg ...
6
votes
2answers
6k views

How can I resize my root partition in Debian?

I am trying to add space to my root partition and am really not sure the safest way to go about it. I have read this thread, Can I resize the root partition without uninstalling and reinstalling ...
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vote
3answers
438 views

Reset partitions numbers

I just decided to delete my Windows partition and only use Linux. My old partition table was: sda1: W7 boot partition sda2: W7 partition sda3: Linux sda4: start of logic partitions sda5: swap. I ...
0
votes
2answers
439 views

Resizing of partitions taking too long in Debian 6 installer

I had a Windows 7 PC, with three partitions on it: The default Windows partition (~300GB in size, primary) Some system stuff Windows 7 needs (100MB in size, primary) A partition called Shared, that ...
1
vote
3answers
283 views

Partioning free space for manual install

I have 53 gigabytes that need formating into /root, /swap, /usr/, /var, /home, and /tmp. If there's any help what is the best space allocation? Please let me know.
3
votes
3answers
554 views

Remove /var partition and replace it with /var into / (root) partition

I accidentaly created a /var partition and I'd like to get rid of it. Is it possible to remove this partition and use the / partition to contain /var without reinstalling the OS or do I have to ...
2
votes
0answers
245 views

How to setup KVM partitions?

I'm trying to install SolusVM/KVM on a server with one 500 GB HD and one 256 SSD. I am a complete beginner at Linux. SolusVM has a script on the site to download and install automatically, but how do ...
-2
votes
1answer
397 views

Extended partition should have many filesystems

I need some related information on the following lines I found in an answer: A logical partition is a container for a filesystem (or an LVM volume or some swap space or a BSD partition or other ...
1
vote
2answers
1k views

How to resize logical volume to fit filesystem

How can I resize logical volume to fit filesystem automagically?
1
vote
1answer
127 views

What happens to data copied after undoing fdisk?

Suppose I have some drive with a single partition. For some reason I decide to repartition it, using fdisk. I create multiple partitions, then write the partition table, then exit fdisk. At this ...
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vote
2answers
2k views

Partitioning disk image file

I want to partition raw disk image with the following commands #creating the blank image $ dd if=/dev/zero of=example.img bs=1M count=50 #write the partition table $ parted example.img mktable msdos ...
2
votes
2answers
1k views

Is there an excellent tutorial on how to resize a rootfs partition (and shrink another) on a drive that is 100% allocated?

I'm experiencing the all-too-common "root partition full" situation. 100% of my hard drive is allocated. My home (ext4) partition has plenty of space to give up for my full root partition (rootfs). ...
0
votes
1answer
73 views

Why does X11 on Fedora 16 rely on non-boot device for startup?

I have recently had an incident in which my /var/mail/spool/ file grew to the size of 32G (yes, that is gigabytes), completely filling its system partition (/dev/sda2) and most of what I saw inside ...
1
vote
1answer
105 views

changing the partition of a linux

I have a ubuntu system as a virtual system on Virtual Box. It uses VHD as its hard disk. I manged to change the size of VHD using VHD resizer, now I want to expand the partition on vhd so it uses the ...
0
votes
1answer
1k views

Resize non-LVM ext4 root partition

How can I shrink/resize a non-LVM ext4 root partition? The problem is I can't unmount it and I don't have physical access.
4
votes
1answer
336 views

How can I script the creation of a single partition that uses the entire device?

I am specifically using this to partition and mount EBS volumes on Amazon EC2 instances, but really this should be generally applicable to initializing any new drive. As the question says I want to ...
0
votes
3answers
206 views

Partition /usr/local : Can I use the software there after reinstall?

I want to reinstall Linux OS, and before that, I think I will partition my hard disk again. (I just use a simple one partition / for root, and make Linux automatically put all other directories ...
0
votes
1answer
651 views

How to resize root Volume Group

How Can I reduce size of root volume group? /dev/VolGroup00/LogVol00 I just have SSH access to Linux host.
3
votes
0answers
202 views

Setup Cloudmin on Centos installed in LVM

I installed CentOS 6 with default LVM partition pattern. according to this pattern Can I use Cloudmin and store KVM Disks in LVM as Logical Volume? I think Cloudmin requires creating new logical ...
2
votes
1answer
4k views

Unable to create logical partition with Parted

I was fiddling around with parted command on a loopback disk and tried to create some partitions using gpt part table but I keep getting Error: Unable to satisfy all constraints on the partition. when ...
3
votes
2answers
391 views

LVM with SSD and SATA hard disks

Is it possible to create LVM partitions for both SSD and SATA hard disks? I mean if there isn't any conflicts.
1
vote
1answer
629 views

Identical mount points for two file systems when installing Linux

So, I'm going through Crunchbang's installer (very similar to Debian's), and am at the partitioning step. I chose the 'Guided - use entire disk and set up encrypted LVM' method (usually I do manual ...
4
votes
3answers
901 views

When and why do block devices need to be partitioned? [duplicate]

Possible Duplicate: The merits of a partitionless filesystem So I've got a block device, say /dev/sda or /dev/loop0. Clearly if I want to boot from the former, or I want to subdivide it ...
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vote
1answer
6k views

Partition table not recognized by Linux kernel

I experience relatively often that the partition table of a USB stick or SD card is suddenly no longer recognized by the kernel while (g)parted and fdisk still see it, as do other systems. I can even ...
3
votes
2answers
777 views

Is it possible to remove Windows 7 from dual-boot?

I have Windows 7 as primary OS with Linux Mint as secondary OS. I am just feeling comfortable with Linux and want to remove Windows from the disk. Is it possible to remove it without damaging data? ...
0
votes
1answer
452 views

how to restore a logical partition to it's original ext4 format

This question is following Unable to mount /home/ partition after reinstalling grub after reinstalling windows 7 where the diagnostic was that installing windows 7 deleted my /home partion, lovingly ...
2
votes
1answer
2k views

Unable to mount /home/ partition after reinstalling grub after reinstalling windows 7

I've reinstall windows 7 on it's asignated partition and, as usually, it override the MBR with it's own stuff and, thus, it was not possible to boot to my ubuntu 12.04 partition. I followed the step ...
4
votes
1answer
685 views

How to add a Linux Partition on FreeBSD

Today I installed FreeBSD 9.0 PPC on my Mac mini G4 with 40GB HDD. During installation, (using the FSBD utility 'gpart') I have allocated a total of about 23GB for FreeBSD leaving 17GB totally free ...