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2answers
277 views

RAID: Two key concepts if anyone could clear them up?

I had a quick question about RAID. I understand that RAID uses one or more parity disks to repair failed disks, but I was wondering what they mean by "declustering" the disks? And also, if someone ...
4
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4answers
230 views

Is it safe to mark a disk ok, in a degraded raid 5 array?

Intel Matrix Storage Console 8.9 showed a degraded array with one disk failure. Yet it offers the option to mark the disk as ok and rebuild the array? When would it be appropriate to do this? Does it ...
6
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3answers
5k views

How to resize RAID1 array with mdadm?

I've running Ubuntu 11.04 (kernel 2.6.38-11). I replaced 2x160GB with 2x500GB drives. They are configured as RAID1. The partition tables show the right sizes. Here's sfdisk: # sfdisk -d /dev/sdb # ...
1
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2answers
434 views

Disk Space discrepancy SMB vs command prompt

We have a Windows 2008 server core installation that has a 400GB disk attached to it. When viewing the free space of this disk via the command prompt it reports 35GB free. Computer management also ...
4
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3answers
85 views

Space effecient manner to store lots of large, similar files

I have lots of ~1 GB files (database dump files, taken at regular intervals). Right now I'm just storing them all in one directory, each file gzipped. We're running out of disk space and want to ...
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1answer
1k 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 ...
2
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2answers
68 views

Adding a new disk to shared machine, what do we do?

I hope this is the right 'exchange' to ask in. I work in a research group, we have no SA's etc. monitoring our servers. We have total access to them, and decide what happens or doesn't happen on ...
0
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2answers
162 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 ...
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2answers
1k views

How to claim unallocated space on disk

On windows 2008 R1 server, I have a 1Tb disk that has about 400Gb at the end that's not used. I have the boot partition, then a logic volume, then the free space. I want to create a new simple volume ...
0
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1answer
338 views

Mounting an existing partition of an unmounted disk

I ran the fdisk -l command to show me all the disks and partitions. Here's the output: Disk /dev/sda: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of ...
1
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1answer
274 views

Disk Manager Reporting Foreign Disks

I have a server with an 8 drive eSATA enclosure attached. I have two volumes on the external controller: a RAID5 array that uses 6 of the drives and a RAID1 arrray that uses 2. The system is ...
0
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1answer
73 views

Disk Manager for Windows Server

I'm working with a Windows 2008 Server, and I'm currently trying to allocate unused space to the C Drive. I've run into a bit of an issue however as my disk partitions are in the following order: C ...
1
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1answer
603 views

Server 2008 R2 Disk Management Green Outline Extend C Drive

In the Server 2008 R2 disk management snap-in I have Disk 0 which has these partitions: boot partition - 71mb a Recovery partition 3gb OS (C:) 40gb DATAPART1 (D:) 150gb Free space 40gb Disk 0 is a ...
0
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2answers
6k views

Server 2008 Disk Management Hangs

So I have looked everywhere for the solution to this and have tried many things. There is one post on SE related to this and I tried the suggested answer but I am still having problems. We have a ...
2
votes
1answer
54 views

What is the purpose of session.key in C:\WINDOWS\system32\inetsrv\Icorn

The size of the C:\WINDOWS\system32\inetsrv\Icorn\session.key file (and a similar one, session.key.bk) has gone beyond 8 GB. I want to free up space on this server. What can I do to safely reclaim ...
0
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4answers
13k views

How can I un-mark a partition as active?

Overview: I use a backup storage enclosure with 6 backup drives incrementally backup up and taken off-site. One day I noticed that the backup process was failing. I logged onto the server that is ...
0
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2answers
173 views

Light SES2 drive failure light from Linux?

With a SES2 capable backplane and SAS card, is it possible to light the drive failure light on a specific bay from Linux? If so, how?
2
votes
1answer
995 views

Why do I get “Device does not support SMART” on WD RE4?

I have my hard disks being set up remotely on a Dell R200 server using Ubuntu OS. When I tried to verify the disk specs (which are supposed to be WD RE4 set up in RAID1 array) I get this message: ...
0
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2answers
2k views

Windows 2008 R2: can't extend C drive, mystery partitions

I have a Windows 2008 R2 server running under VMware ESX 4.0.0. I have reallocated disk space to it in order to extend the C drive, but Disk Management has "Extend Volume" greyed out. DISKPART shows ...
2
votes
3answers
512 views

forced disk check on (re-)boot

I just now rebooted my debian server for maintainance reasons (changed the kernel). However, it seemed to not complete the reboot. So I logged in using Remote KVM and found it hanging at a forced disk ...
1
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2answers
8k views

Safely remove a disk from a spanned volume

I'm running Windows Server 2008 R2 and converted physical disks to dynamic disks and combined them to a spanned volume. Yesterday, one disk started throwing S.M.A.R.T Errors, so I decided to get a new ...
2
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2answers
837 views

What are /dev/sda1 and /dev/sda2 on an Amazon EC2 instance?

I have an Amazon EC2 instance which according to the management console has no EBS volumes attached to it. Yet, when I run df I see /dev/sda1 and \dev\sda2 both are "disk"s. What are they? Is one the ...
3
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1answer
250 views

Conversion from Basic failed - please help!

Hi I am in an emergency situation right now. I DO have full backups of everything, but I am trying to avoid a complete reinstall of the OS and AD. I have a simple server with one drive that was set ...
3
votes
3answers
1k views

Hard Drive upgrade advice for a Dell PowerEdge 1950

My setup is a Dell PowerEdge 1950 with 2x 140Gb Hard drives in a RAID 1 configuration. The OS is Windows 2003 Web Edition and disk is partitioned into to two, a 12Gb C: partition and the remainder is ...
2
votes
1answer
441 views

many partitions on a single filegroup?¿ does it make sense?

I'm designing a datawarehouse solution and I'm a newbie in disk configuration issues, let me explain you. Our storage is spread over 6 storage enlosures having each of them 5 raid-1 disk arrays, and ...
1
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2answers
707 views

Windows 2008 additional disk going offline with reboots on Amazon EC2

OK, so I took the stock Windows 2008 64-bit Amazon AMI and wanted to add a D: drive for page file space and crash dumps. I launched the instance with a second EBS volume attached as xvdf and went ...
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 ...
2
votes
3answers
371 views

Windows 2008 Drive Size Discrepancy

We have a VSphere server and increased the drive for the C:\ drive on one of the VMs from 20GB to 30GB. Disk management shows the correct new size in the Disk view, but the volume information still ...
4
votes
1answer
4k views

LVM is reporting I/O errors, but the disk reports no problems. Argh

I've started seeing errors reported by LVM on certain Logical Volumes (and by Xen when attempting to create virtual machines on these LVs). But I've run tests on the disk, and can't see any hardware ...
3
votes
3answers
1k views

Zpool disk failure - Where am I at?

After checking the status of one of my zpools today, I was faced with the following: root@server: zpool status -v myPool pool: myPool state: ONLINE status: One or more devices has experienced an ...
1
vote
1answer
2k views

How can I set up a RAID 1 without losing my Windows install?

I know this sounds like a SuperUser question, but I would rather ask here first. The drives are identical Seagate SATA2 drives. They are 250GB each. Windows XP Pro SP3 is installed on one drive, and ...
1
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1answer
214 views

What are the weaknesses of software RAID1 in Windows 7 and Windows 2008?

I want to migrate current data from simple hard disk drives to RAID1 to reduce the risk of losing daily data in case of hard disk failure. Every PC I want to migrate have a RAID1 support, requiring to ...
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1answer
3k views

disk management/diskpart on windows server 2008 hangs

I am having an issue on my Windows Server 2008 "Sql Server". When I access Disk Management, the UI hangs on "Loading disk configuration information" When I run diskpart it does nothing after showing ...
1
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2answers
4k views

Identifying a physical disk from its Windows device description

I have intermittent bad block errors in my Windows SBS 2003 system event log. The error description is The device, \Device\Harddisk4, has a bad block, and I would like to be able to authoritatively ...
1
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2answers
233 views

Disk space mismatch on OS X Server (Leopard)

My Nagios system sent me an alert to inform me that the disk space on one of the drives on our OS X server is very low. When I run df /Volumes/Apps/ I get /dev/disk0s3 117209520 114932472 2277048 ...
2
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1answer
151 views

How is made sure magnetic or electric fields from devices like transformers or fans close nearby do never affect hard drives?

Fans and transformers which are inside the server case create magnetic and electric fields. Electric fields can be easily shielded, but what about magnetic fields, they can only be shielded with high ...
1
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2answers
329 views

Convert Spanned Dynamic disk to Basic Help needed

Here is my scenario; Windows 2008 server on a VM Two VM disks; Disk1 > OS >Basic Disk2> Data and an Installed Application.> Basic During the weekend, I was playing with this VM, I wanted to add some ...
1
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2answers
129 views

How to get partition information from non-booting server?

Need to manually rebuild a mirrored array on a server and am in the process of reinstalling SBS 2003 on it. However, it's a Dell server, and know that there's the Dell FAT32 diagnostics partition, a ...
0
votes
1answer
2k views

Virtual Disk Service Loader has stopped working

We have several relatively recent (less than 1 week) installations of Windows Server 2008 R2 Enterprise that are getting this error whenever we open Disk Management. The application name is ...
2
votes
2answers
274 views

script Disk Management configuration

I have 10 workstations with large monitors that have USB slots and several card readers built in. The card readers cannot be disabled and will map to drive letters when I image the computers. I go ...
2
votes
3answers
4k views

windows 2008 Cannot extend volume for c

I have a 150 GB hard drive on a windows 2008 server. 87 GB partition for D:\ 10 GB partition for C:\ I cannot extend/increase the partition for C:\ in the disk manager utility. as described here: ...
3
votes
2answers
2k views

How to create a chained differencing disk of another differencing disk in Virtual Box?

How to create a differencing disk (a chained one) from a disk that is already a differencing image? I would like to have: W2008 (base immutable) -> W2008+SQL2008 (differencing, with SQL ...
0
votes
1answer
414 views

What does a warning sign mean in Disk Management?

Here's a (hopefully) easy one: what does the warning sign: mean in disk management? The above image is of a mirrored drive (RAID 1) that is in the process of regenerating. Disk 3 was just added as ...
0
votes
1answer
1k views

Differencing Disks in VirtualBox

I'm struggling to understand how to do differencing disks in VirtualBox v3.1.0. I've created a Windows 2008 Server, but now I want to use that as a base image for a number of other servers. The help ...
1
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2answers
213 views

From SuperUser: Volume on spare drive marked as system partition

I asked this question on SuperUser a few days ago but haven't gotten any responses yet. I figured I would try my luck here since a) there isn't much of a difference between disk manager in Vista and ...
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4answers
3k views

Windows 2003 Dynamic Disks (Raid 1) resynching problem

I have a Windows Server 2003 R2 Ent server running with a C: drive and dynamic disk raid 1 Z: drive. The Z: drive mirrors two identical 1TB drives (same manufacturer, model number, and size - ...
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5answers
524 views

Optimal Disk Setup for OLTP SQL Server

We have a high transaction (lots of reads and writes) database server (running SQL 2005) that is currently set up with a RAID 1 OS partition (C:) and a RAID 5 data/log/tempdb partition (D:). The C: ...
0
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2answers
93 views

Server disk space stats VS space on disk array

I'm just a lowly developer so don't really have much exposure to our virtual server infrastructure, so thought I would ask a question here. Our IT manager just told me to ignore the 'disk space free' ...
9
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2answers
20k views

Hyper-V Server R2 - Disk management MMC returns RPC Server is unavailable

does someone faced error "The RPC server is unavailable" during connecting to Disk management MMC console to Hyper-V Server R2? Servers are in the same AD domain and MMC console is enabled on Hyper-V. ...
1
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4answers
2k views

Extend disk with diskpart or Disk Management

I have a Win 2008 Server that won't let me extend a disk. I have used both the computer management and the diskpart tool and both tell me that I have less than 1MB free and can't extend. I show that ...