1
vote
2answers
176 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
43 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
77 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
349 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
181 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
973 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
222 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
153 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
394 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
650 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
234 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
297 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
411 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
452 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
436 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
285 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
219 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
87 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
167 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
628 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
465 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
333 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
354 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
81 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
514 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
267 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
166 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
2k 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
984 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
676 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
394 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
125 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
220 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
8k 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
514 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
377 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 ...
1
vote
2answers
257 views

Linux RAID Device Partitioning Question

I have a server that has 4 1.5 TB disks. Every disk has identical partitions /dev/sd[abcd]1 200 MB /dev/sd[abcd]2 2 GB /dev/sd[abcd]3 1.5 TB (the rest of the disk) /dev/sd[abcd]1 are RAID 1 device ...
0
votes
2answers
252 views

md raid and partitions on large disks

Has anyone else seen problems using linux software raid on large (2TB) disks with guid partition tables? We have a CentOS box that loses it during boot, and requires the raid be reassembled. ...
0
votes
2answers
393 views

System with RAID 5 array, plus additional drive for OS

I'm in the process of building a NAS system - It has 8 1TB drives, which I am currently building as a RAID 5 array. It's using a 3ware hardware raid controller. I've also installed a single 250gb ...