A partition is a means of logically dividing a computing resource (most frequently disk storage)

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Is there any way to fix a corrupted LDM database?

TL;DR: Are there any tools/approaches to diagnosing and fixing LDM (Logical Disk Manager) metadata structures without recreating from scratch? Full description: I have two SSD drives ...
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133 views

Logical Volume Recovery

I have a machine with 180 or so logical volumes as well as an OS partition that were wiped out with a format when reinstalling centOS6. I made a terrible mistake, not being familiar with the interface ...
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442 views

Error 5 partition table invalid or corrupt

I'm trying to add a second SSD to a Centos 6 system. But I get the Error 5 partition table invalid or corrupt at boot. The system already has a single SSD (sdb) and a pair of HDDs (sd{a,c}) in a ...
2
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931 views

why does my lvm2 volume group only work with multipath device mapper and not powerpath

my server is Oracle Enterprise Linux 5.4 (RHEL5) on an hp blade (x64) with qlogic HBAs connected to an EMC clariion SAN. we are migrating from multipath to powerpath because emc and the company ...
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80 views

Breaking off /tmp using LVM

I've recently been put in charge of a RHEL6 server running our NMS. I don't know much about Linux filesystem administration. What I'm needing to do is create a partition for /tmp, instead of having it ...
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528 views

Resizing partition with DiskPart using desired and minimum options is unsuccessful

I have a few systems I want to shrink the primary (and only) partition to about half of the disk and then create a new partition in the newly available space. The disks are 500GB. I want to script it, ...
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99 views

Setup 1x RAID5 array with multiple LVs and differnt filesystems?

Centos 5.9 - 2.6.18-348.3.1.el5 i686 Raid5 - 4 Disks + 1 Spare (all WD RED 3TB) Does it make sence to create multiple LV within the same VP and configure them as differnt filesystems: Example: LV1: ...
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107 views

fdisk -l only displays boot partition

I have a SAN, and it's able to read and write to the 50TB RAID just fine, but when I run fdisk -l it only lists the boot partition of the SAN server, and doesn't display anything about the other ...
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264 views

Back up system partition table

I'm tring to back up the partition table of a Linux Ubuntu 10.04 LTS. Actually I'm making the tests with Virtualized machines (VirtualBox). And I have one source system in a virtual disk, another ...
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1answer
91 views

Cloning a two partition HDD onto a smaller HDD and maintaining MBR

I have a hard disk(A) containing two partitions - A1 is a NTFS partition containing a windows OS, and A2 is an NTFS partition containing data. I want to copy both of these partitions onto a different, ...
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1answer
583 views

Resizing a partition on a virtual hardisk (file with msdos partition-table)

I have a local file on my disk which contains a msdos partition table and some linux-partitions. I use this as a virtual raw disk with qemu. klm@lato:~/images/disk$ parted arch-linux2 p WARNING: You ...
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173 views

ReiserFS warning: reiserfs_get_unused_objectid: no more object ids

I've a partition in ReiserFS which stores images from a camera (so it keeps adding/removing directories with pictures...). When doing a dmesg, I get the following "warnings": [227297.192297] ...
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596 views

Why does this loopback device creation malfunction?

The stackoverflow people thought this was more appropriate here, I put it there as it is part of a program but I can see their POV, so here it is: At the bottom of the code you can see it failing. In ...
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1answer
66 views

Resizing Partitions on Live RHEL/cPanel Server

I've resized many partitions over the years on Linux, Windows and Mac OS X -- but always using a GUI. However, the time has come where the preset partition sizes my data center placed on my server ...
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1answer
169 views

Unable to automatically remove LVM data

I am trying to install ubuntu 12.04 via preceed config onto Dell PowerEdge R710. I had RedHat installed on the box then I tried installing ubuntu 12.04, then auto install popping with Unable to ...
0
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1answer
66 views

Shrink a mounted LVM partition

I fear I already know the answer to this question, but here goes. I need to carve out a new partition on a running system. /var/ is mounted from an LVM volume (hdd1_vg-var) and has only 3% used disk ...
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1answer
79 views

Fedora install in Virtualbox expands to fill drive

I recently completed a Fedora 19 install on an 8GB virtual drive in VirtualBox. For some reason though, it appears as though I have run out of space! Surely my 951MB Fedora .iso can't have expanded ...
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1answer
105 views

Which partition utility's output is correct?

I have Fusion ioDrive2 785GB (731.088 GiB) SSD card. The server is running Oracle Enterprise Linux 6.4 (RHEL6.4 compatible). It is low-level formatted as such: "80% factory capacity" Format ...
0
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1answer
413 views

partprobe will not work..i have tried everything

I am days before the RHCSA exam and i have noticed i still haven't been able to successfully run partprobe successfully after months on testing and testing and testing..not a single time I have tried ...
0
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1answer
149 views

Tool to Shrink/Expand Windows Server 2003 Partitions In RAID Array

I have an old Windows Server 2003 box that I manage that is used for file storage. It is a physical server (HP AiO Storage Server), not virtualized. The boot partition on it is only 20gb in size, ...
0
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1answer
29 views

how do I safely relocate from a logical extended partition to primary partition?

I have a secondary storage drive thats partition like below. Number Start End Size Type File system Flags 1 1049kB 56.4GB 56.4GB primary ext4 2 56.4GB 500GB 444GB ...
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147 views

how to resize ufs partition on linux

is there a way to resize a lvm partition after processing dd command? /dev/vg0/disk1 is 1G /dev/vg0/disk2 is 5G after a dd partition, the size of /dev/vg0/disk2 become 1G. dd if=/dev/vg0/disk1 ...
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79 views

MySQL Partition / Very High Volume of Records

I'm looking for some advice on how to setup my MYSQL instance. I have a table that maintains log entries and I'm getting about 10-11 million entries per month. I feel like this is far too many ...
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1answer
315 views

Reduce root LVM Parition Centos 6.3

I installed Centos 6.3 as a KVM guest OS, and used the default partition settings. Now I noticed that my / partition is 50GB and my /home is only 20GB. I want to increase my /home to atleast 50GB and ...
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44 views

Does soft link affects xml parsing and database process

I have a php code that does an xml parsing and inserts data into the mysql database. The code can process one xml file in an average of 18 minutes. Since I will be having lots of xml files and ...
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How to fix Hadoop HDFS cluster with missing blocks after one node was reinstalled?

I have a 5 slave Hadoop cluster (using CDH4)---slaves are where DataNode and TaskNode run. Each slave has 4 partitions dedicated to HDFS storage. One of the slaves needed a reinstall and this caused ...
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304 views

Quantifying the effects of partition mis-alignment

I'm experiencing some significant performance issues on an NFS server. I've been reading up a bit on partition alignment, and I think I have my partitions mis-aligned. I can't find anything that ...
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50 views

shrink live mdadm partition with LVM

My goal is to shrink an mdadm RAID 1 partition while the system is running. I have to disks sda and sdb, which build my two RAID partitions md0 and md1. On md1 I use LVM, md0 is the /boot partition. I ...
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58 views

Partition block size different from device's and stacked LVM volumes ones

I have a pair of HP ML350 G6 servers with LSI MegaRAID 9266-4i+CacheVault driving Supermicro CSE836E16 enclosures via SAS bracket, filled with WD RE 3TB SATA drives. On these are configured a RAID10 ...
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279 views

Cannot create partition on disk using PowerShell: “New-Partition : Not enough available capacity”

I'm trying to create two partition on the USB flash drive. The first small 350Mb partition is created fine, but the second throws "New-Partition : Not enough available capacity" even though there is a ...
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248 views

Cannot initialize disk in PowerShell : Initialize-Disk throws “The disk has already been initialized”

I'm trying to change the flash drive's partition style to GPT using PowerShell, but the cmdlet throws "The disk has already been initialized" (even though I've cleaned the drive): PS ...
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94 views

Create a AD-LDS partition under a child of the primary partition

I have a AD-LDS instance running on a Server 2008 R2. I have this application partition, created at installation : dc=enterprise,dc=example,dc=com I have succesfully followed this procedure to ...
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68 views

Setup cloadmin 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?
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234 views

Restoring a GPT XFS partition?

I recently added some storage to a RAID array with a single large XFS volume. To expand the volume I normally use parted to remove the partition and then recreate it so that it spans the entire ...
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351 views

e2fsck miserably aborts: memory allocation failed on 64 bit OS and scratch directory

After an unsuccessful Virtualbox VDI drive resize following the instructions here, the primary ext4 partition became of unknown type. I fixed this with testdisk and then boot-repair, which made it be ...
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partition turned read only after mysql crash

I am not able to write on a particular partition. The mysql data directory is hosted on that partition and it suddenly became read-only when mysql crashed on a query. [root@ESERVER new_dir]# > ...
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Mount Partition Read-Only in Red Hat

We have a server installed with Red Hat, kernel (2.6.18-274.3.1.el5) and RHEL version 5.7 (Tikanga) with Raid 10. When we try to copy files to one mounted partition it will change autocratically to ...
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58 views

What is the best way to resize the “/” mount point that is not LVM?

Lately I am trying to update the packages in my Centos (Physical Box) and got error about not enough space. What is the best way to resize a mount point that is no LVM? Follows are some information: ...
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131 views

Script partitioning fresh raw disk images with sfdisk (C/H/S ignored?)

I'm trying to automate the process of creating raw disk images. I don't care so much about C/H/S, but that the block size should be a rough standard of 512 bytes. However, I'm having trouble ...
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45 views

Raid partitions not listed in /dev

I've assembled software raid1 /dev/md1, and made two partitions /dev/md1p1 and /dev/md1p2. Now even after reboot I can't see these two in /dev. Why? (udev service is running) #fdisk /dev/md1 ...
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138 views

resize partition via ssh in centos 6 64bit

I need to resize the drive partition on a production server running Centos 6.4 64bit If necessary, I'll temporarily move my sites to a VPS. If this change can be done without this, that would be ...
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75 views

Backup Windows (ntfs) partition at runtime, restore using linux live distribution?

I need to backup a whole ntfs partition daily using a scheduled task. I want not just the content of the disk, but the partition itself to a preferably compressed file and then restore it 'offline' ...
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0answers
138 views

Partition missing on ephemeral storage on ec2 after reboot (not restart)

I had a software RAID 0 on an ec2 instance. I needed to make some changes so I stopped the RAID, unmounted it, and rebooted the instance. What's troubling is, I don't see a partition for one of the ...
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80 views

Kafka network partition resilience

The current Kafka 0.8 documentation mentions Kafka's poor resilience to a network partition. For example, the operations page claims that: It is generally not advisable to run a single Kafka ...
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229 views

Raid superblock missing on single partition. Recovery needed

Ok so I have a 2 TB raid 1 setup that has three partitions: sdc1: linux sdc2: swap sdc3: LVM for data However the LVM will no longer mount. So I thought that I would take the spare drive, mount it ...
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72 views

How to install a Debian on the remote Server with running Debian alreadz?

There are many tutorials (e.g. the main I think: D.3. Installing Debian GNU/Linux from a Unix/Linux System), how to install a new Debian from one another. But they all sounds for me like you need a ...
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244 views

PowerShell doesn't like the -AssignDriveLetter option of the New-Partition cmdlet

I'm trying to create a partition on the USB flash drive using the New-Partition cmdlet. But when I use the -AssignDriveLetter option I get "New-Partition : Invalid Parameter" even though this option ...
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0answers
325 views

Ubuntu Server - Screwed up partition table?

So I think I've screwed my Ubuntu server after using PING (it's a tool like Norton Ghost) to try and create a backup image. Basically the system got to an unbootable state just with the grub ...
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70 views

Create a Rawdisk from LV with partitions

For emergency in my old machine (CentOS with Xen server) i made clone my LVs with dd example: dd if=/dev/vg/lv0 of=/backups/vg_lv0.dd now in my new machine i've created a LV with the same size ...
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322 views

Best practices to handle very large databases

The problem: Our new project aims to use a very...very large database. Basicly ~one million of new records have to be stored per month. This requirement gives to the enterprise application a very big ...