1
vote
1answer
61 views

Partitioning SSD and HDD in Linux NAS [closed]

There is a computer with four 2.7 TB hard disks, under control of Intel Rapid Storage Technology. And one 120GB SSD. We need to use it to store some data that we are collecting and computing. I think ...
0
votes
1answer
55 views

How to rescue deleted partition table on drive?

I accidentally dd the first 512 bytes using dd if=/dev/zero of=/dev/sdb bs=512 count=1 and the partition table is now gone. Is there ANY way to re-create the partition table. My hard drive is ...
3
votes
2answers
796 views

Mdadm won't create an array larger than 10TB

I have a server with six 4TB drives running Ubuntu 14.04 LTS. One of the drives is used for the system/OS I wanted to use the other 5 drives to get as close to 20TB of storage as possible It's a ...
1
vote
2answers
213 views

Ubuntu Server install claims 3 TB RAID1 volume is 801.5 GB

I have a brand new server containing two identical 3 TB SATA disks. These are in a hardware RAID1 configuration using the onboard Intel RAID controller. The BIOS sees the two disks as 3 TB and the ...
0
votes
0answers
55 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 ...
0
votes
3answers
86 views

Partitioning & RAID recommendation for a server with 3 disks

I'm installing a server machine (intended to run Debian GNU/Linux) which, among other things, is to be used for backups of our code. Now, I don't need all of the contents of the HDD to be ...
1
vote
1answer
522 views

Resize partitions used in Debian software RAID 1 mirror

I have a simple RAID1 setup with a few drives. I've realised that one of the partitions is not aligned to a cylendar boundary and I'm concerned that this is a bad thing that will cause me grief at ...
0
votes
2answers
298 views

Duplicate partition table in (Debian) Linux

A disk failed in a software RAID array and I'm trying to replace it. I've done this before without a hitch but this time I'm getting an error when trying to duplicate the partition table. I'm using ...
0
votes
1answer
1k views

Fixing a failed grub upgrade on RAID

We just upgraded out dedicated server from Debian Lenny (5.0) to Debian Squeeze (6.0). In the process, the grub upgrade failed. I (perhaps foolishly) followed the advice at ...
0
votes
0answers
282 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 ...
0
votes
2answers
172 views

How do I resize full root or swap partitions in RAID?

It all began a couple weeks ago: When I try to use vi I get "E297: Write error in swap file $ echo "test" > test produces -bash: echo: write error: No space left on device My bash history is ...
0
votes
1answer
545 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? ...
1
vote
2answers
746 views

How to install CentOs 5.8 on 3TB disk with RAID 1 on Hetzner EX 4S (10 TB) server?

I have installed centos 5.8 with Hetzner server rescue mode but its disk parttion table is in MSDOS formate which does not support more than 2 TB space of disk so i need to change the partition table ...
1
vote
0answers
259 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 ...
0
votes
2answers
331 views

C drive shows as RAW, but Windows booted, cannot access C

I have a server running Windows 2003, it has a hardware RAID controller (4 disks in RAID5, health all OK) The server will boot into standard mode or safe mode (from the array) but once windows is ...
-2
votes
4answers
430 views

How can I create one big volume from multiple drives, but loose only the files stored on one disk if it fails?

I am running a storage system. Fault tolerancy is handled at application level (files are stored on multiple servers, even datacenters). Therefore I don't need nor even want redundancy within one ...
0
votes
1answer
470 views

How to resize two RAID-1 partitions?

I have an Ubuntu 12.04 server with two 3TB disks and Software-RAID 1. Currently they are partitioned as follows: # discus Mount Total Used Avail Prcnt Graph / ...
2
votes
1answer
503 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 ...
3
votes
3answers
297 views

Can I split one RAID1 partition in two?

I have a linux box with CentOS 6.2 and a RAID1 (2x 2Tb) configuration: /dev/md1 -> / (10G) /dev/md2 -> /home (1.9T) I want to split the md2 in two different partitions, so I can get the ...
2
votes
2answers
223 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 ...
2
votes
3answers
127 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 ...
0
votes
1answer
90 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 ...
6
votes
1answer
1k views

Raid 1/10: Kernel panic- not syncing: attempted to kill init

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. ...
-1
votes
2answers
2k 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
169 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 ...
0
votes
1answer
667 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
494 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. ...
0
votes
1answer
345 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 ...
0
votes
3answers
374 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
2answers
82 views

Diagnosing RAID partition slowness

This involves: RAID 10 Windows Server 2008 R2 Two logical drive partitions The server in question has four drives in a RAID 10 configuration, as well as two in RAID 0. The RAID 0 is used for the ...
0
votes
3answers
548 views

Cloning & resizing Server 2003 partitions with gparted, some questions

Ok, so the situation I have is this. I've got a couple of Dell PowerEdge 2950's that are running out of drive space on the boot volume, they have a perc 5/i hardware Raid Controller. I've bought 4 ...
1
vote
1answer
269 views

Kickstart partitioning help

I need to configure a RAID using a kickstart file. I have four hardrives sda sdb sdc and sdd on which I plan to set-up the following partitions: hda1 and hdb1 I want them to be set as a 8GB primary ...
0
votes
1answer
167 views

Partition Centos | Raid

I have 4 HDD, the system is installed on /dev/sda2 # df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 884G 2.1G 836G 1% / /dev/sda3 2.0G 159M 1.7G ...
1
vote
3answers
3k views

How do I replace hard drives in a Dell PowerEdge 1950

My Dell PowerEdge 1950 has 2x 3.5inch 146Gb SAS attached to a PERC 5/I Raid controller card in a raid1 configuration. I want to replace these with 2x 2TB SATA drives which the Dell documentation ...
1
vote
3answers
1k views

Best way to part disks in Linux? (raid, partition or LVM)

There are a few ways to part disks in Linux: raid, partition, and the LVM. How to choose? We have a server with 10+ disks. Some data in our system is temporary and we wish to use RAID 0 on them. ...
1
vote
3answers
709 views

Logical Partition on Two Drives Already in RAID 1+0

I am setting up a new server from scratch. It has two 160gb HDs that are set up in a RAID 1+0 for fault tolerance. This server, and two others like it, will be used for terminal services and IIS. My ...
1
vote
4answers
396 views

Why use multiple partitions on a rhel server?

I'm about to reformat and reinstall CentOS onto an old server. The server runs on a modest 30 node small business network and has a variety of responsibilities including MySQL, a Samba share, DHCPd ...
0
votes
2answers
53 views

HDD partition corrupting

I manage a server for a nursing home. The system is running 3 x 320GB SAS drives in a RAID5 array. This is split into 6 partitions. The partition which stores all the users profiles becomes corrupt ...
0
votes
2answers
126 views

/home partition stuck

I have development box with apache and userdir mod enabled. Sometimes, entire /home partition becomes inaccessible. Apache can't access scripts stored there, and I cant cd to /home nor ls its ...
0
votes
2answers
2k views

mdadm lvm and ext4 slowness - How can I speed it up?

I can't figure out why I'm getting such terrible times out of my mdadm and in particular the lvm partitions in it. I made the raid: mdadm --create --verbose /dev/md0 --level=5 --chunk=1024 ...
0
votes
2answers
226 views

What is the best way to repartition the system drive on a Windows domain controller?

I have a Windows 2003 server that is the primary domain controller for the network. It has a RAID 1 array that houses the 'C' and 'D' drives. And a RAID 5 array that houses the 'E' drive. The C:\ ...
4
votes
3answers
9k views

Can we mount multiple disks as one directory?

Are there way to mount the different disks as one directory? Assuming I have some disks with ext4 partitions: /dev/sda1 1Tb mounted as /store1 /dev/sda2 2Tb mounted as /store2 /dev/sdb1 2Tb mounted ...
2
votes
1answer
1k views

FreeNas on Dell Powervault 745N: 2TB Limit?

I want to purchase 2 x 2TB drives, and install FreeNas on my Dell Powervault 745N. People on the internets seem to be having trouble with the MD3000 firmware, and I want to make sure I can solve any ...
0
votes
1answer
519 views

How to resize ext3 partition without having physical access to the server

I have a server with 2 hard drives mounted as raid 1 using Ubuntu 8.04.4 LTS Filesystem Size Used Avail Use% Mounted on /dev/md1 5.0G 5.0G 0 100% / varrun ...
2
votes
2answers
378 views

move Ubuntu to RAID

I have an Ubuntu Server up and running on LVM2 partition. My motherboard supports RAID 0 and 1. I bought new, second HDD, the same as the system one. I want to set up RAID mirroring to ensure my data ...
1
vote
1answer
89 views

Mirrored drive separated and lost one copy

I have a dedicated server with two identical hard drives, which ran in a raid array, mirrored until yesterday, when the datacenter had a power failure and corrupted one of the discs. I figured if I ...
15
votes
2answers
2k views

Verify A Partition is Aligned in Linux With RAID and LVM

Does anyone know the steps to verify that a XFS filesystem on top of LVM and md RAID is properly aligned on an array of 4096 Byte aka "Advanced Format" sectored disks? Some references are: ...
1
vote
4answers
253 views

Why database partitioning didn't work? Extract from thedailywtf.com

Original link. http://thedailywtf.com/Articles/The-Certified-DBA.aspx. Article summary: The DBA suggests an approach involving rigorous partitioning, 10 partitions per disk (3 actual disks and 3 ...
1
vote
3answers
2k views

RAID Virtual Disk Configuration / Partitioning in Operating System?

I have 6 x 1TB SAS for my new server. I want to create 3 partitions: one for OS, one for Virtual Machines, one for share data. There are 2 options for me: Option A: Create 3 Virtual Disks in RAID ...
4
votes
2answers
2k views

Dell PowerVault MD3000 2TB partition size limit

I've a MD3000 and the max partition size that I can allocate is 2TB. Is there any way, through firmware updates or other trickery, to allocate a useful amount of space to a partition, 4TB say? Is it ...