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17
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3answers
2k views

Why are there only four primary partitions on an MBR disk?

I'm reading the docs over at CentOS.org. In section 25.1.2. Partitions: Turning One Drive Into Many, there is the following statement: The partition table is divided into four sections or four ...
4
votes
3answers
2k views

Which filesystem for 16TB under CentOS 5.5?

We have a PowerVault NX3100 from Dell here. I have to install a Linux Server on this system and don't know which filesystem I should use and which partition layout would be useable for the RAID with ...
4
votes
3answers
22k views

centos 100% disk full - How to remove log files, history, etc?

mysqld won't start because disk space is full: 101221 14:06:50 [ERROR] /usr/libexec/mysqld: Error writing file '/var/run/mysqld/mysqld.pid' (Errcode: 28) 101221 14:06:50 [ERROR] Can't start server: ...
4
votes
2answers
89 views

CentOS partition reporting out of space

I have CentOS server with 7 partitions and 2 of them are LVM partitions one is divided as 2 LVM partitions. While working with the production software the disk suddenly gets full in a folder that is ...
3
votes
1answer
213 views

Set device offset in Linux due to failed hardware RAID?

I have a failed hardware RAID card. This card had two drives in a RAID-1 mirror. Plugging one of the drives into the motherboard shows no partition table. Using a program like testdisk, I can see ...
3
votes
3answers
1k views

Get exact size in bytes of a disk & partitions in windows

I'm using dd (under cygwin) to copy a shadow image of a disk in windows. Shadow copy will only give me a partion, so what I am doing is: 1) using dd to grab the disk header (32k on Win2003) 2) using ...
3
votes
2answers
232 views

Is it safe to place write-intensive partitions on an SSD (in an SSD+HDD system)?

I'm setting up a (sort of) powerful workstation for SW development work on Linux. It's a Xeon system with multiple cores, 32GB memory, a large HDD and a 120 GB SSD (Samsung MZ7WD120HAFV a.k.a. ...
3
votes
1answer
920 views

“rm: can not remove xxx: No Space left on device” on BTRFS

Running OpenSuse 12.2. Suddenly the root parition seems to be full (99%) but I can no longer remove files manually. "rm: can not remove xxx: No Space left on device" although 450mb are still free ...
3
votes
2answers
819 views

HP DL320e Gen8, 3TB drives, Windows Server 2012 R2 - HDD full capacity alocation difficulties during installation

One interesting task to do but not so easy as i thought. The server is HP DL320e gen8, The main difficulty is with partitioning the RAID1 (2x3TB HDDs) during the installation on 2 partitions (System ...
3
votes
2answers
1k views

How can I create a swap partion on Amazon EC2 with ephemeral storage?

This is the output of df -k: Filesystem 1K-blocks Used Available Use% Mounted on /dev/xvda1 10317860 7059008 2734732 73% / none 847584 0 ...
3
votes
2answers
1k views

How to resize /dev/md1

I notice today that my /dev/md1/ is almost full: Filesystem Size Used Avail Use% Mounted on /dev/md1 10G 8.7G 798M 92% / tmpfs 7.8G 0 7.8G 0% ...
3
votes
1answer
250 views

Conversion from Basic failed - please help!

Hi I am in an emergency situation right now. I DO have full backups of everything, but I am trying to avoid a complete reinstall of the OS and AD. I have a simple server with one drive that was set ...
3
votes
3answers
3k views

In linux, how can I determine what processes are using a block device?

I have a disk in a server that I'm migrating to a LVM volume group. Previously, it was using traditional DOS-disk partitioning, hdb[1-5]. I've unmounted every filesystem from hdb, shut off swap ...
3
votes
3answers
1k views

Hard Drive upgrade advice for a Dell PowerEdge 1950

My setup is a Dell PowerEdge 1950 with 2x 140Gb Hard drives in a RAID 1 configuration. The OS is Windows 2003 Web Edition and disk is partitioned into to two, a 12Gb C: partition and the remainder is ...
2
votes
2answers
66 views

Should I really leave some space unused with LVM partition?

I am migrating to a new server where I'm going to use LVM partitioning on a RAID 1 array (2 hard drives). I have read some tutorials which advise to leave some space unused so that I can expand the ...
2
votes
1answer
1k views

Fix wrong hard drive partition size after install

I'm not 100% sure how to phrase this: While installing Win 2008 the screen asked me where to install the OS (I only have 1 hard drive) It said: 2 GB was partioned for the OS and 160 GB were ...
2
votes
3answers
238 views

Can I Use Win2k8 R2 to Extend Partitions on Expanded Windows Server 2003 R2 Dynamic VHD Drives?

I inherited a Windows Server 2003 R2 virtual machine that was previously running under a failing Windows Virtual Server 2005. Both the C: and D: VHDs were within a few hundred megs of being full. I ...
2
votes
1answer
306 views

Do you have to partition before running mkfs on a single partition disk?

I see that some people don't use fdisk to create a partition on /dev/sdb... what is the difference between making and not making a partition for a single partition disk? I just added a partition on a ...
2
votes
3answers
702 views

partition alignment on fresh windows 2003 ent server

I have this server which has it's physical disks in RAID 5 controlled by a 3com raid controller. size of the stripe unit is unknown for the moment (Can check tomorrow in the office). I need to ...
2
votes
1answer
406 views

Repair corrupt GPT partition on graid mini disk

I'm trying to repair a GPT corrupt partition table on a graid mini 1TB external hard drive. Here is the report from gdisk: root@philippe-desktop:/home/philippe/thomasdisk# gdisk /dev/sdb GPT fdisk ...
1
vote
5answers
594 views

I mistakenly `dd if=/floppy-image of=/dev/sda` and erased my entire partition

I think I have just made the worst mistake one can made - please help me recovering from it. A guy from another room came over said to me this is a BIOS update (or something similar) for the new ...
1
vote
4answers
417 views

Server Disk Partition Software

Is there any free (reliable....yes I know..) disk partition software for Windows Server? I am checking before I do make a purchase. I just need to resize a disk. Edit ~ I have a windows server 2003 ...
1
vote
4answers
84 views

Last time i walked into a SQL-Server with bad formatted disks

How to change the disk configuration on a running system for aligning the partition and changeing the allocation unit to 64KB? Would you adamantly refuse to administrate a misconfigured disk-system? ...
1
vote
2answers
60 views

OEL fresh install while keeping old LogVols

I've been asked to install OEL 5.x on a server and setup a disk with a few directories (there's only one disk in the server). So I have an OEL 5.x server wtih multiple log volumes in a volume group: ...
1
vote
3answers
869 views

Increase the size of sda1 on Debian 6 Linux

Filesystem Size Used Avail Use% Mounted on /dev/sda1 10G 1.1G 8.4G 11% / tmpfs 983M 0 983M 0% /lib/init/rw udev 10M 140K 9.9M ...
1
vote
4answers
244 views

Extend windows server 2008r2 default 100 mb system partition?

I need to extend my 100 mb system partition, but cannot figure out how to do so! I cannot do it in disk management because the c:\ partition is "in the way", ment as when I resize c:\ partition, any ...
1
vote
4answers
796 views

Linux: Is it safe or recommended to rearrange partitions through SSH?

I've just rented a new server (CentOS 5.4) and I see it has only 3 partitions: /, /boot and the swaping partition. I'd like to create, at least, partitions for /tmp and /var. Would there be any ...
1
vote
4answers
8k views

How to hide a partition on the internal disk on Mac OS X

I have just connected an external RAID1 enclosure (a Lacie Quadro2) through FireWire800 interface to my iMac 24. I copied all my internal "Machintosh HD" to the new disk, setted the system to use the ...
1
vote
1answer
108 views

Can LVM and Traditional Partitions Coexist?

Can you set up a machine in which different drives are formatted as either LVM volumes or as traditional partitions and mix and match the two? For e.g. have the LVM volume mounted as / and /home and ...
1
vote
2answers
1k views

How to claim unallocated space on disk

On windows 2008 R1 server, I have a 1Tb disk that has about 400Gb at the end that's not used. I have the boot partition, then a logic volume, then the free space. I want to create a new simple volume ...
1
vote
2answers
827 views

“ALERT /dev/sda1 does not exist dropping to shell” after Ubuntu 10.10 install reboot

I am attempting to install Ubuntu 10.10 desktop on a Dell T7500 with two SAS drives in hardware RAID 0. Running from the CD works fine. The install process works fine. I have configured several ...
1
vote
1answer
56 views

Shrinking Linux Partition and VM's

I have a Centos 6.2 x86_64 Virtual machine running on an EXSi 5.1 Server. It currently use 320GB of space which is way too much space and need to be shrunk to about 80GB. What I need to do is reduce ...
1
vote
1answer
66 views

Why /dev/disk/by-id/ change after a suddenly server power-off?

I'm management a server that in /etc/fstab have references to some partitions using /dev/disk/by-id/DISK_ID-partN. The server suddenly power-off and DISK_ID part of /dev/disk/by-id/DISK_ID-partN ...
1
vote
1answer
459 views

Windows 2012 installation, couldn't create partition or locate existing

I've seen this error all over the place for 2012 and 8 Windows' versions. I have tried multiple methods of getting around this issue to no avail. Some methods I tried: Disk part from command prompt, ...
1
vote
2answers
1k views

How to shrink Linux partition (sda2, type is Linux LVM)

I have sda disk with 2 partitions. The second partition sda2(which is LVM) is 1.4TB in size and want to shrink to 50GB. I reduced Logical volume to 50GB but when I run vgdisplay it shows Free PE / ...
1
vote
2answers
129 views

How to get partition information from non-booting server?

Need to manually rebuild a mirrored array on a server and am in the process of reinstalling SBS 2003 on it. However, it's a Dell server, and know that there's the Dell FAT32 diagnostics partition, a ...
1
vote
4answers
188 views

Best Linux Partitioning for Multiple Resizeable HDD

My ISP has a machine with 6 HDDs (3TB+3TB+3TB+2TB+2TB+1TB) which we want to turn into a FTP/Download server for local users. I am planning to install CentOS 6.5 on one 2TB, rest of all space shall ...
1
vote
1answer
126 views

Server with RAID10 basic partition management

First of all i must say that i'm totally noob to server management. I've rented a server with 8x3TB HDs and RAID10 installed. In the Disk Management section (I use windows server) i see two ...
1
vote
1answer
605 views

Server 2008 R2 Disk Management Green Outline Extend C Drive

In the Server 2008 R2 disk management snap-in I have Disk 0 which has these partitions: boot partition - 71mb a Recovery partition 3gb OS (C:) 40gb DATAPART1 (D:) 150gb Free space 40gb Disk 0 is a ...
1
vote
2answers
427 views

Resizing this particular partition, Mac OS [closed]

I am currently running on Apple Mac OSX Lion 10.7 (11A480b) and I am trying to resize my partitions on the disk for one of our servers. I already downsized a previous installation of Mac OSX Lion ...
1
vote
1answer
39 views

Server 2008 R2 Disk Managment Shows D:\ as 2 separate partitions

Original config of Poweredge T110 was a 250GB SATA. This was 40GB C:\ and rest D:. It only has 9% free, so, I decided to just put a 2TB drive in, and make it D:\ instead. So I extended my drive ...
1
vote
0answers
36 views

partitioning a 2x larger disk to house zfs migration

so there are numerous sites taking about using vdevs made from disk partitions like this in order to reorder vdevs of different sizes. however, i have the following physical disks: Disk /dev/sda: ...
1
vote
0answers
270 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 ...
1
vote
2answers
603 views

Proper way to partition filesystem with Xen

I'm coming from a vmware environment, wanting to play with Xen. I have a server with 2 x 500G SATA drives (no hardware RAID available, have to use software-based RAID1). My partitions are all RAID1 ...
1
vote
3answers
162 views

Lost power during XP CheckDisk - Can't See Partition Now

I initiated a reboot to perform a disk check, and during the check I lost power to the machine. Now it doesn't boot. I ran disk utilities on the HDD and everything checks out, but windows won't boot. ...
1
vote
0answers
180 views

Data drive disappearing

We have a Windows 2003 R2 server with SP 2 here that randomly loses a partition. There are two partitions the C: and the D: (the one that disappears). When I go into Disk Management the space shows ...
0
votes
1answer
216 views

Setting up a Pagefile and Partition in Server 2008

I am setting up 18 new machines for our company, and I have instructions from my new boss on setting up a Pagefile and Partition. I have looked at their existing machines to base the new setups off ...
0
votes
1answer
220 views

How to move System Reserved Flag to another partition? [closed]

I have a Dell PE R310 that came with Windows 2008 R2 with a 2 GB FAT32 partition that I want to delete. But I can't because, because it currently has the "System" flag set. How do I move it to the ...
0
votes
1answer
410 views

disk showing busy

Want to create LV Group but when i unmount /dev/sda5 this showing [root@xen01 ~]# umount /dev/sda5 umount: /: device is busy umount: /: device is busy This means disk /dev/sda5 is ...
0
votes
1answer
73 views

Disk Manager for Windows Server

I'm working with a Windows 2008 Server, and I'm currently trying to allocate unused space to the C Drive. I've run into a bit of an issue however as my disk partitions are in the following order: C ...