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9
votes
2answers
22k 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. ...
8
votes
7answers
3k views

How do you limit the use of network storage in your company?

I think this is one area that is a pain for every sysadmin. Users don't really know how much storage space they are using, and don't take the time to manage what is stored there, or how long it stays ...
7
votes
1answer
7k views

Windows 2008 Unknown Disks

I have a BL460c G7 blade server with OS Windows 2008 R2 SP1. This is a brand new C7000 enclosure, with FlexFabric interconnects. I got my FC switches setup and zoned properly to our Clariion CX4, ...
6
votes
3answers
469 views

Is disk serial readable from supermicro chassis?

We are working with a hosting company for managing our dedicated servers. We asked for a replacement disk on one of the servers by providing the serial number. They took out 2 other disks instead and ...
6
votes
3answers
7k 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 # ...
5
votes
3answers
5k views

Disk Management in Windows 2012 R2, where is it?

In Windows Server 2012 R2 I am unable to find the option to reassign the drive letter for a CD/DVD drive where the disks are normally managed. So I can reassign for hard drives, but not for optical ...
5
votes
2answers
824 views

Importance of disk alignment for Windows Server 2012

I saw article about Disk alignment here and also here.Also there where some references that windows server 2003 has some problem with disk alignment. After reading article I am confused whether we ...
5
votes
3answers
3k views

Which is better, Split or Monolithic VMware disk in a production enviroment?

Ok, so I have read a bunch of material on-line and curious as to your thoughts on split vs monolithic disk in a production environment. We are going to be building the VM server on a server that has ...
5
votes
1answer
2k views

Unable to connect to the Logical Disk Manager service

I have a Windows 2003 R2 x64 Enterprise Edition server that is backed by a SAN that has a disk that I need to expand. The SAN management interface notes that this drive is sized at 110 GB. Windows ...
4
votes
4answers
247 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 ...
4
votes
1answer
86 views

No option to create new partition- why?

Why can't I create a new partition as per below? This is the disk of a physical server running Hyper-V 2012. Any help appreciated!
4
votes
2answers
317 views

ZPOOL replace defective disk in exported pool

Yesterday, I put a new disk into my server. Sadly, I didn't check the disk before of failures. I added it to my pool with the command zpool add nas ...
4
votes
3answers
1k views

Using a VHD as a data storage location?

I asked previously if there are good reasons to partition disks on Windows, and one of the big ones was for splitting data and OS. So that should you reinstall, you do not need to worry about the data ...
4
votes
1answer
640 views

Mounting a disk from SAN (RHEL 5.9)

Storage admin told me he put a 3TB drive on my server from the SAN and I was asked to mount it. The only information I know is that it's on LUN 1 and that the disk is 3TB. Multipath is setup and I ...
4
votes
2answers
8k views

Windows Server 2008 R2 reports full disk, but files do not add up

I have a web server running Windows Server 2008 R2 Enterprise. It's C:\ drive is 100 GB in size. We started getting errors from IIS and discovered that the C:\ drive, surprisingly so, was reported to ...
4
votes
1answer
5k 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 ...
4
votes
3answers
87 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 ...
4
votes
2answers
690 views

How do I identify a volume in WMI from a volume name reported in the event log?

I have a Windows 2008R2 server that's reporting the following error: The file system structure on the disk is corrupt and unusable. Please run the chkdsk utility on the volume ...
3
votes
5answers
389 views

Best practice disk usage for SQL Server

I've been reading that it is best practice to place the following on separate disks for performance and safety: tempdb database file log file backup files When you consider RAID using multiple ...
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 ...
3
votes
2answers
3k views

Can Server 2012 R2 software mirror boot/system disk?

Has anyone actually used server 2012 R2 software mirroring to mirror the boot/system drive. If so could you confirm that in the event of drive failure it does keep running on the mirrored drive and ...
3
votes
3answers
3k views

What are your recommendations/best-practices for vDisk/datastore/LUN management with VMWare ESX

Obviously there's an infinite variety of ways of carving up your raw SAN LUNs to provide VM boot and data vDisks - but what methods do you use, what are their pros/cons, and are there any good ...
3
votes
1answer
681 views

Dell PowerEdge T710, add a new hard disk, how to? [closed]

I have a virtual machine which needs more space. This VM runs and a PowerEdge T710 with Vmware EXSI 4. I would like to add this disk in the simplest was possible. I already got a normal desktop ...
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 ...
3
votes
1answer
271 views

Conversion from Basic failed

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
2k 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
2answers
279 views

Disk Monitoring with cronjobs — report disk issues

Is there a way to monitor disk health and send cronjob reports for errors? I know you can use smartctl -s on -a /dev/hda to pull information but just wondering if there is a way that could be used to ...
2
votes
3answers
1k views

What's the relation between “HP Diagnostics” the “Array Config Utility” and “Windows Disk Manager”

I have a failed drive that is reported in HP Diagnostics https://localhost:2381/hpdiags/frontend2/frontend.php? It tells me that Logical Drive 5 has a drive that is about to fail. The name of ...
2
votes
2answers
69 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 ...
2
votes
3answers
5k 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: ...
2
votes
2answers
962 views

LVM: Duplicate VG name VolGroup00

I'm on a server that shows a duplicate VG name. How can I rename one of these VolGroups to get rid of this conflict? [root@dev-server dev]# lvs WARNING: Duplicate VG name VolGroup00: ...
2
votes
2answers
70 views

Cannot shrink partition on Windows Server 2012

I have the following issue. I am trying to take space off of VMs and add it to the OS partition. However, whenever I try any of the VMs it will not let me shrink the space so I have free to expand the ...
2
votes
3answers
61 views

Accessing multiple disks under single virtual partition?

I have disks as below on my Debian server: /dev/sda1 276M 29M 233M 11% /boot /dev/sdb1 917G 793G 79G 92% /home /dev/sdc1 1.8T 1.7T 79G 96% /home2 /dev/sdd1 1.8T 1.7T 79G 96% ...
2
votes
1answer
1k 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: ...
2
votes
1answer
487 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 ...
2
votes
3answers
466 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 ...
2
votes
1answer
178 views

How to Resolve Hyper-V Disk Location to Drive Letter

When viewing cluster disk properties in Failover Manager or the physical path to VHD's in the settings of a VM in Hyper-V Manager the location is displayed by GUID. Is there a quick way find out ...
2
votes
1answer
217 views

Should a SQL Server tempDB partition be shared by the cluster?

We have a 2-node SQL Server 2008 RS cluster. The data and log partitions are shared among the cluster nodes. Does the tempDB partition need to be shared as well, or will local server node storage ...
2
votes
2answers
96 views

Linux data storage and partitioning

In the following output of df -h you can see that i have added a new hard drive(/dev/hdd1) and have mounted as /hdd1. My question is if I start dumping data to /opt will that data be mounted in /hdd1 ...
2
votes
3answers
594 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 ...
2
votes
1answer
156 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 ...
2
votes
2answers
277 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
1answer
129 views

How to reacreate the EFI partiton and mirror and existing system partition of an GPT disk?

I have the following setup (very well possible that this is no good practice but it is the given situation): There were 2 x 3TB dynamic GPT disks in a Windows server, Disk0 with EFI (~200 MB), System ...
2
votes
1answer
109 views

Windows Server 2012 R2 Rescaning Disks Locks System

I'm having an issue when re-scanning disks inside of the Windows Server Manager tool. When I go to: File and Storage Services > Disks > Tasks > Rescan Stroage the entire system locks up ...
2
votes
1answer
56 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 ...
2
votes
2answers
934 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 ...
1
vote
4answers
77 views

Muliplte logical drives on a single EVA

SQL Server best practice recommends separate drives for the the data and log files. Do you really get a speed increase if both logical drives are located on the same EVA?
1
vote
4answers
17k 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 ...
1
vote
2answers
323 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 ...
1
vote
3answers
11k 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 ...