17
votes
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 ...
0
votes
1answer
50 views

size of extent on LVM2

in LVM1 there was a limit of 65k extends. So size of extent had to been chosen carefully between wasted space on partitions (to big extent) and maximal possible size of logical volume (too small ...
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 ...
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 ...
2
votes
1answer
405 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 ...
0
votes
0answers
136 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 ...
-1
votes
2answers
109 views

Recommended solution to join partitions (disks) into single partition [closed]

I have 4 hard disks (1 Tb each) on server. It's debian wheezy, amd64. Disks 2,3 and 4 are not partitioned yet. I have to join them into single partition, it must be single filesystem/mountpoint for ...
0
votes
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 ...
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. ...
0
votes
0answers
241 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 ...
1
vote
0answers
268 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 ...
0
votes
1answer
395 views

Are there any significant differences between raid volume and partitions?

I have an option to create a single raid volume and partition it in the OS, or create multiple raid volumes (one for each partition)? What are the performance or access time differences between two? ...
0
votes
2answers
687 views

Ubuntu: How to find unallocated partition/free space?

I've a legacy dedicated server with Ubuntu onboard (console mode only). Based on docs (prices etc.) I see that server must have 250+ GB, but I see significantly less: $ df -h Filesystem ...
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 ...
0
votes
1answer
249 views

extend size of partition

I am asking for help on how to properly extend the size of partition Here is my situation. Running fdisk -l, give this result root@ ~]# fdisk -l Disk /dev/sda: 2000.3 GB, 2000398934016 bytes 255 ...
0
votes
1answer
302 views

Creating a new Partition on Centos Linux

I installed a Centos and partitioned it as: /root - 100MB / - rest of the disk. I need to have a /log partition. is it possible to do it after the Linux was already installed? Thanks!! Dotan.
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
2answers
196 views

copy boot-able partition

I have an disk image with 3 partitions: first partition (hd0,0) is boot-able with GRUB1 with the following configuration GRUB file: default=0 timeout=5 title Bank A root (hd0,1) ...
0
votes
1answer
339 views

Convert Logical Partition to Primary

I have a very simple, yes or no question, hopefully. I have a logical partition inside of an extended partition, along with some free space in the extended partition. On server 2008 r2 if I drop the ...
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 ...
0
votes
1answer
406 views

cfdisk quits with a fatal error in regards to the partition table

fresh install. 'cfdisk /dev/sda' gives the following output: "FATAL ERROR: Bad primary partition 2: Partition ends in the final partial cylinder" what could be the reason for this to happen and what ...
0
votes
1answer
63 views

Does shrinking making space available to partitions everywhere?

In Disk Management for Windows 2008, I have an extended partition that looks like this: |----X:\ Drive----||----Y:\ Drive----||-------Z:\ Drive-------| I am running out of space for the Y: drive. I ...
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 ...
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 ...
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 ...
0
votes
7answers
877 views

Maximum paritions on single harddisk?

How many maximum partitions can we create on a single drive? I remember getting error once when I had created somewhere around 16 partitions on same disk. Why put this limit? What is the problem with ...