Partitions are a way to logically divide a computing resource. Most frequently this is applied to MBR Disk storage. For instance a hard drive or other storage media so that each partition is logically independent of one another. This can be done for a variety of reasons including security, ...
1
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2answers
35 views
16tb raid6 + lvm, to partition or not to partition?
So I have a 16tb raid6 on one of a new batch of machines I am setting up. I will be using LVM on top of this and am wondering if there are any compelling reasons to break the raid up into partitions ...
1
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4answers
46 views
Ubuntu Server: Partitioning large hardware raids
I am trying to set up a storage server which has a hardware raid controller and 15x3 TB harddrives. This server is a dedicated server from hetzner.de and I am using the default setup routine ...
2
votes
3answers
69 views
Server RAID and Partition Config for Small SQL Environment
I've got 5 databases that run on separate servers using SQL Express. Some of these include a Citrix Datastore, Citrix Edgesite Server, an AV db, Time and Billing App, and a document management ...
2
votes
1answer
72 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 ...
0
votes
1answer
35 views
maximum partition size for Windows 7 Embedded 32-bits
This question has been asked before, but a clear answer was never provided, I also tried to google this simple question, but can't get a clear answer.
Does anyone here knows the answer to this ...
0
votes
1answer
27 views
BI Server raid/array configuration
I'm currently maintaining a BI server that crunches numbers for reports etc. It is running on a HP ProLiant 360DL G5 32gb ram with a Smart Array p800 connected to a MSA Unit with 750 GB in RAID 1+0 ...
0
votes
1answer
18 views
How to create a boot hdd and copy windows files onto it?
I have a zip archive containing installed windows xp embedded operating system.
How can I copy files onto HDD to make it bootable?
I went to disk part, converted hdd to mbr, created primary active ...
0
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0answers
12 views
Accidentally formatted ubuntu partition in NTFS. Recover? [migrated]
I accidentally formatted ubuntu partition in windows 7 (quick format). Is there any way to recover the partition and data?
Thanks.
1
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2answers
66 views
After using lvextend, I can't recover unused space
I needed to add more disk space to my CentOS VM, so I added another virtual disk, then used lvextend to add the space to the existing partition.
The steps I followed was:
echo "- - -" > ...
0
votes
3answers
128 views
How to extend a Linux PV partition online after virtual disk growth
VMware allows to extend the size of a virtual disk online - when the VM is running.
The next expected steps for Linux system are:
extend the partition: delete and create a larger one with fdisk
...
0
votes
1answer
33 views
How to access partitions inside a logical volume from the host machine?
On a Virtual Machine Host Server I have a logical volume, /dev/my_volume_group/some_disk. The Logical volume "some_disk" has two partitions on it that were created by the guest machine. A swap and an ...
0
votes
2answers
32 views
Logical Volumes spanned over several Physical volumes
What risk(s) are there in creating a 6 GB logical volume with the following underlying configuration?:
one 2 GB RAID 1 with 2 disks housing one physical volume
one 4 GB RAID 1 with 2 disks housing ...
0
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0answers
71 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 ...
5
votes
1answer
116 views
Raid 1/10: Kernel panic- not sysncing: attempted to kill innit
I have setup Raid 1 & Raid 10 in Virtual Box for learning purpose.
The following Partitions for 4 Hard Drives:
I make a 100mb partition (/boot) on four drives and make that a raid 1 partition.
...
0
votes
1answer
43 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 ...
4
votes
2answers
145 views
Software Raid 10 on VirtualBox?
I want to learn how to use Software Raid 10, is it possible to use VirtualBox by adding four storage images?
This is my plan:
4x 100mb partitions (1 on each drive) configured as a raid 1 for ...
3
votes
2answers
149 views
Repurposed disk - Linux blkid command returns incorrect information
I'm working with an SSD drive removed from a VMWare ESXi installation. I'm trying to reuse the disk in an existing Linux installation (CentOS 6.2). The drive sits behind an HP Smart Array P410 RAID ...
1
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4answers
238 views
How to increase /var directory size?
First question:
When I run df -h I can see this:
# df -h
Filesystem Size Used Avail Capacity Mounted on
/dev/ad4s1a 9.7G 8.0G 918M 90% /
devfs 1.0K 1.0K 0B ...
0
votes
1answer
92 views
Increasing Virtual Disk in VMWare doesn't show new space is Available in LVM
I have inctreased the size of my virtual HD from 79GB to 100GB on VMWare ESXi 4.1 Virtual Machine
http://screencast.com/t/j6Y2SmLES3P7
after that I have restarted VM but when I go to VM
...
1
vote
1answer
60 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 ...
1
vote
2answers
81 views
swap partition alignment: is there any benefit?
On some of my Linux servers, the swap partition is misaligned. I understand how partition alignment affects performance on mounted file systems with 4k block sizes, but I am unsure if the same ...
4
votes
2answers
243 views
Can I install Xenserver with larger local storage?
I installed XenServer 6.0 on a machine with 2 drives (80GB SSD and 1TB SATA). My goal is to have some space for local storage where I can put ISO (since it will be very difficult to access the box ...
2
votes
1answer
79 views
LVM directly on whole SAN volume vs. LVM on single, whole SAN volume spanning partition
I am wondering what the advantages and disadvantages of the following two scenarios are.
LVM physical volume directly on SAN volume
pvcreate /dev/sda
LVM physical volume on a single partition, which ...
0
votes
1answer
49 views
Undo LVM on Fedora 13?
I had lost my boot partition.
This happened quite frequently.
I used to boot for recovery and rewrite the existing partioning.
Last time I missed the correct option and installed LVM by mistake.
Is it ...
0
votes
3answers
131 views
Expand root partition without LVM
I've got free unpartitioned space which I'd like to use to expand my root partition.
The server runs under Debian Squeeze and I'm administrating it with no GUI.
How can I do that?
Do I need the free ...
2
votes
3answers
157 views
Root file system is full and I need to install additional software.
I am trying to install to install EPEL Repository on CentOS 5.7.
I still have lots of space available on my hard drive.
/dev/sda2 3.9G 3.9G 0 100% /
/dev/sda11 17G ...
0
votes
2answers
230 views
CentOS: Insufficient space in download directory //var/cache/yum/base/packages Insufficient space in target directory
Error Downloading Packages:
redhat-logos - 4.9.99-11.el5.centos.noarch: Insufficient space in download directory //var/cache/yum/base/packages to download
Output from df -h
/dev/sda2 ...
2
votes
1answer
197 views
How can I change a partition mount to var and still boot up?
My first question here on server fault. In my haste, I set up a local server with Centos 6.2 and let the Centos installer handle the partitions.
Big mistake, I know.
Anyway, the only problem I have ...
3
votes
2answers
88 views
Recover a deleted partition by mistake (FAT32)
I deleted by mistake a FAT32 (I think it was fat32) partition in a external drive, searching I got through this post: ...
1
vote
2answers
143 views
Increase Linux Partition dynamically?
Here is what I have on my Linux Box
[root@linxuph53 logs]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_linuxph53-lv_root
38G 11G 26G 29% /
...
0
votes
1answer
38 views
Planning VHD-based laptop install
I am about to take delivery of a new laptop with a 750GB HDD. I will be using Win7 as the base OS (as a "real" installation, direct to the tin). The base install will probably have Visual Studio ...
3
votes
1answer
76 views
What partition is my LVM with LUKS using?
I'm trying to figure out what partition dm-X is on. It's on /dev/sdaX, but which X?
What am I missing? I know there has to be a way to find this out. I need to grow my physical volume, but can't do ...
1
vote
1answer
76 views
convert single partition linux install to multiple partitions with read-only root
I have an embeded system which I finally got stable by doing multiple partitions like so:
Disk /dev/sda: 4017 MB, 4017807360 bytes
255 heads, 63 sectors/track, 488 cylinders
Units = cylinders of ...
3
votes
1answer
294 views
Filesystem and partitioning for SSDs on Linux
What are the best practices for using an SSD on a Linux workstation?
Specifically, I'm interested in:
What mounts I should put on the SSD and what I should keep on my HDD
What filesystem I should ...
1
vote
2answers
140 views
Partition size inconsistency after dd clone
We have recently upgraded a system HDD - it was 160GB, now 2TB. We upgraded as we were running low on space, mainly on /usr, and also on /home.
I prepared the new drive with a Live CD and GParted ...
0
votes
1answer
50 views
How to set backup / database in order to maintain heavy write loads
I have a write heavy application. Approx 5lac+ inserts per day in a MySQL table.
I have master <> master -> slave. Performance is not an issue here.
I need your inputs with regards to management ...
-1
votes
2answers
142 views
Getting Windows Server 2008 R2 to Recognize Large Volume
I've got a server with 16 1TB SATA drives in it. It was set as a single RAID5 volume. Unfortunately, Windows was showing two unallocated volumes during the windows setup, one as 2TB, and then the ...
1
vote
2answers
120 views
Backup Server RAID Partition
Recently bought a server with 16 1TB disks. We're going to use this for a backup to disk solution.
Is there any reason why I'd want to partition the array in any specific manner? I was basically just ...
1
vote
2answers
370 views
Optimal way to format 20TB partition with XFS in linux? [closed]
I have a 20TB RAID5 array (LSI 9265-8i / 8 x 3TB 7200rpm drives) configured with a 1MB stripe size.
What's the optimal way to partition, and format, this partition in Linux to maximize performance ...
2
votes
1answer
133 views
Proper way to remap a partition to a new disk?
I currently run a webserver running Debian. I have a 1GB disk with a single ext4 partition mapped to / and an 8GB disk with a single ext4 partition mapped to /var/www.
The 1GB disk is at 70% full ...
-1
votes
1answer
76 views
Filesystem encryption settings during install?
I'm installing CentOS 6.1 on a server and exploring the encryption settings in combination with software RAID.
Should I encrypt the drive partition, the software RAID device, or
both?
Should I ...
1
vote
2answers
100 views
“hide” an encrypted partition on a USB drive
I have a USB drive with two partitions. The first is unencrypted and has the truecrypt binary. The second is encrypted (with truecrypt) and has sensitive data.
When I plug in my USB drive the ...
3
votes
2answers
206 views
Move /var to new set of disks
I currently only have remote access to this CentOS box, I need to move /var form the primary RAID to a new set of disks that was installed with more space, My current thoughts on how to accomplish ...
6
votes
4answers
2k views
What is the recommended size for a linux /boot partition?
What is the recommended size for a linux /boot partition?
And is it safe to not have a /boot partition?
I see some servers don't have a /boot partition while some servers have a 128M /boot ...
2
votes
2answers
102 views
Should swap space be in a logical volume, or directly on disk?
What are the benefits of putting swap into a logical volume over using direct disk access?
For example, with a fresh, default install of RHEL5 or 6, a volume group is created on the default disk ...
0
votes
1answer
105 views
How to revert a shrink of an LVM volume
I had a Linux LVM volume that was about 400 GB.
I shrank it to 217 GB following the steps below.
umount /local
e2fsck -f /dev/mapper/vg00-lvol2
resize2fs /dev/mapper/vg00-lvol2 217G
lvresize -L 217G ...
0
votes
1answer
307 views
Extending local Storage Repository in XenServer 6.0
My server has 2x 3-disk RAID 5 arrays. This weekend I plan on deleting the second array and adding the HDDs to the first array.
However how would I go about extending the partition in XenServer 6.0 ...
0
votes
2answers
190 views
Resize NTFS System Partition on Perc 6/i RAID
I've inherited a Dell server that is running out of space on C:. I'd like to quickly and painlessly resize the C drive with partitioning software. However, the RAID card is causing me some troubles. ...
3
votes
2answers
147 views
Repartitioning two disks without a loss of data
I am interning at a software company and I have hit somewhat of a brick wall. Here is the deal:
The Problem: We have some boxes around here that were incorrectly partitioned for 2 x 500 GB drives. ...
1
vote
2answers
36 views
Repartitioning two disks without a loss of data [closed]
Possible Duplicate:
Repartitioning two disks without a loss of data
I am interning at a software company and I have hit somewhat of a brick wall. Here is the deal:
The Problem:
We have ...
