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Questions tagged [diskmanagement]

222 questions
36
votes
2 answers

Unable to write to disk but disk isn't full

I am using Ubuntu 12.04 and can't write to any file, even as root, or do any other operation that requires writing. Neither can any process that needs to write, so they're all failing. df says I've got plenty of room: Filesystem Size Used…
felwithe
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20
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8 answers

Cleaning up a server's C:\ drive. All known ways

I have a c:\ on a server that is filling up, most likely due to the accumulation of patches over the years. I'm told by Microsoft PSS Support that it is unwise to simply delete the compressed uninstall directories within the \Windows directories. …
makerofthings7
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14
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3 answers

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 # partition table of /dev/sdb unit: sectors /dev/sdb1…
Paul Schreiber
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13
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5 answers

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 drives? What gives? Since compmgmt.msc runs the…
0xC0000022L
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11
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4 answers

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. Thanks
GrZeCh
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8
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2 answers

"Mandatory" free space on a SAN?

I'm not an expert of SANs, I'm writing here to get some clues on continuous and exasperating problems we're having which our supplier seems not to be able to solve. we own an ENHANCE ES3160P4 SAN with 16 x 2 Tb disks that has been supplied for our…
z2k
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8
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3 answers

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 put them back in. When we asked for an…
refik
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8
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7 answers

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 around. What policies does your company implement…
FerranB
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7
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1 answer

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 need to align the Disk alignment manually or it…
IT researcher
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7
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2 answers

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 allow the server to be rebooted to the mirrored…
NickC
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7
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1 answer

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, and can see all the hosts that are assigned FCoE…
Ailbe
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3 answers

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 4TB of disk space in a RAID10 configuration. We…
thiesdiggity
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6
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1 answer

Issue while using tune2fs

I have a server with a 3TB disk attached. I want to reduce the reserved blocks using tune2fs. Reducing the default 5% to 1% allows me to get a lot of extra space. Before applying in real server, I have tested in my test environment, Before :…
antony_sebastian
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6
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2 answers

How to identify EBS volumes vs local volumes on running EC2 instance

On a running EC2 instance, how do I identify EBS volumes and local disks ? I would like to identify them from shell. fdisk, lsblk is not helping to pinpoint the EBS volumes only. Lets say I have total 20 disks, out of 20 identify ebs stores. Any…
Chucks
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5
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2 answers

How do I identify the name of disk in first slot of my server?

I have 16 disks inserted into Lenovo SR650. The disk names /dev/sda , /dev/sdb ... are not in order with its position in the slots. I want to identify what is the name of the disk in first slot in Ubuntu16.04.4 commandline.
babueverest
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