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, ...
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0answers
9 views
SSD won't boot anymore [migrated]
Yesterday I put the computer to sleep.
Something went wrong because it didn't go fully to sleep.
So I restarted the pc and now it won't boot windows 7 anymore.
It said : "Please insert valid boot ...
3
votes
2answers
55 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
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2answers
60 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
30 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
31 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
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0answers
55 views
How to fix partition table ordering? [migrated]
I was going to install a completely fresh Linux distribution (Mageia) and I saw it as an opportunity to reorganize my partitions. I wanted all my non-Linux (Windows, restore, etc) partitions at the ...
1
vote
1answer
41 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
123 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
57 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
40 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
101 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
105 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
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2answers
231 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
59 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
44 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
55 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
124 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
439 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
75 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
74 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
214 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
94 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
110 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
32 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 ...
1
vote
1answer
46 views
can grub be installed as first program on new machine? [closed]
Possible Duplicate:
How to install grub on a completely empty hard drive?
I've got a new os setup in virtualbox. I booted into it with gparted live cd. how can I install grub on the mbr ...
0
votes
2answers
388 views
mount: wrong fs type, bad option, bad superblock on /dev/sdb on CentOS 6.0
Some how my partition on /dev/sdb has gotten all buggered up. This hard drive contains a lot of data that I need to recover and haven't been able to backup yet. WHen I attempt to mount it:
#mount -t ...
1
vote
2answers
40 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, ...
1
vote
1answer
90 views
GPT partition types
I'd like to know or know where I can find a good explanation of GPT. With MBR there was partition types. Not with GPT. There is fs-type and flags (anything else?), which seem to over lap. Can I mark a ...
4
votes
1answer
34 views
Non-interactively create one partition with all available disk size
This is disgusting to me, but it works:
echo -e "n\np\n1\n\n\nt\nc\na\n1\nw" | fdisk /dev/sdb
I would like to know a more prudent or elegant way to accomplish this. The entire boot record and ...
5
votes
5answers
631 views
df says disk is full, but it is not
On a virtualized server running Ubuntu 10.04, df reports the following:
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 7.4G 7.0G 0 100% /
none ...
0
votes
2answers
88 views
How can I merge unallocated space on Windows Server 2008?
After resizing a C: partition I'm left with two blocks of "unallocated space". However despite the fact that neither of these blocks is a partition (they're just blank space) Windows sees them as ...
1
vote
1answer
44 views
Need help partitioning archlinux server.
Alright, so am building a webserver that will be using mysql, nginx, php, and a few other things. I expect the database to grow quote large and there will be many small files that will be served by ...
0
votes
1answer
157 views
How should I partition a 64GB SSD for multiple Linux installations? [closed]
Are there any things I should keep in mind in order to increase the longevity and efficiency of my SSD?
0
votes
1answer
175 views
10TB RAID5 as single partition
I like to use a 10TB RAID5 setup as a single partition on a file server for distributing user HOME via NFS in our network. As I have no experience on such large disk I like to know the Pros and CONS ...
5
votes
1answer
62 views
Forgot to create partition before running pvmove
I ran pvmove to migrate extents from an old LVM disk to a new one but I forgot to create the partition structure on the new disk first:
pvmove /dev/sdb1 /dev/sdc
Everything seems to be fine, but I'm ...
2
votes
1answer
89 views
Is it possible to repartition running system (Debian) without loosing data
We need to resize the partition that is mounted to /var on a running machine. The only way to access it is via SSH, so live CD is not an option for us.
Can we repartition the file system without ...
0
votes
2answers
67 views
Is the fdisk partition type important when using lvm
I have inherited a few LVM volumes and I noticed that fdisk reports the disks that make up the volume group as partition type 83 (Linux) and not 8e (Linux LVM). Is this a problem and how important ...
0
votes
1answer
76 views
sharing an ext3/ext4 partition on external drive
is there a way of sharing an ext3/ext4 formatted partition on an external USB drive between different users (uids) on different Linux machines without creating a group for this purpose, setting the ...
1
vote
1answer
31 views
How many partitions should we create if there are around 100 millions rows
I have a 16 core , 12 GB ram, a SSD 500 MB/s
I have 1 millions rows in my "Pages" table
The pages contains 1 unique key that are HostID ( int ) and Page( varchar )
I use partitioning by key
and ...
2
votes
1answer
99 views
LVM resize /home and /
Here are my partitions:
[awake@desktop ~]$ sudo df -h
Filesystem Size Used Avail Use% Mounted on
rootfs 36G 2.5G 33G 8% /
udev 495M 0 495M 0% ...
1
vote
1answer
87 views
Can I run fsck on a partition which is unmounted but on a live machine?
I have a server which has 4 drives which are each mounted to different areas. I have 2 drives which are giving me trouble and would like to run fsck on them. Can I unmount those drives, run fsck on ...
0
votes
3answers
131 views
How to add existing /home on MDADM RAID to new LVM based OS install
Have (32-bit) Centos 5.6 file server with 2x1TB HDD/ext3 in MDADM RAID-1 as follows:
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
Device Boot Start End Blocks Id System
...
2
votes
1answer
74 views
How can I mount a partition on every reboot?
I have a partition mounted with mount -t ext3 /dev/sda3 /foo.
Each time I reboot, I need to remount. How can I keep this mounted after every reboot?
1
vote
1answer
65 views
Mounted partition is read-only?
I have a partition mounted from /dev/sda3 to /foo. It appears that it is not writable. I cannot change this with "chmod /foo 777", so how I can do this?
1
vote
1answer
164 views
Whats wrong with my partition table?
I'm a bit lost here.
I got my trusty old external 500Gb USB drive but it refuse to mount:
I think my partition table is invalid:
sudo fdisk -lu /dev/sdb
Disk /dev/sdb: 500.1 GB, 500107862016 bytes
...
0
votes
3answers
62 views
How to check what is on a specific partition
I was looking at my harddrive with gparted, and noticed a small partition at /dev/sda5. I cannot cd into that folder directly, but I was hoping to find out what is on that partition. How do I do ...
0
votes
2answers
89 views
Is it possible to extend a partition with another partition blocking it?
I have an Ubuntu VM that I am trying to extend. It is currently 20 GB total, with 19.12 being the main partition, with an 895 MB partition at the end. I am trying to extend the large partition to be ...
-2
votes
1answer
244 views
Creating or exporting an image of an LVM filesystem that is portable.
There is an important machine in my department which must be backed up. It uses lvm2 to span its various partitions over two 80G PATA hard drives (lvm tools output: http://pastebin.com/Wh3h9PVz). I ...
1
vote
1answer
107 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 ...
1
vote
2answers
425 views
CentOS / Redhat 6 Mount Encrypted Partition After Boot
I have an encrypted partition that I setup during install for CentOS 6 that I want to mount manually after boot. By default it prompts me for a password at boot time. I was able to get it to not ...
