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Questions tagged [diskmanagement]

234 questions
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How to dismount a VHD that has been absorbed into a Storage Space

Normally in Windows, you can create a Virtual Hard Disk (VHD), see it in the Disk Management, right-click, and remove it: No problem. Storage Spaces Hides Disks I want to test the resiliency of Storage Spaces, and the ability to migrate them…
Ian Boyd
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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!
Lock
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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 disks this becomes an enormous amount of physical…
Chris
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Changing XEN VM configuration

What is the correct way to update a XEN VM configuration? In this case I want a specific domain to stop using /dev/emcpowerg and use /dev/emcpowerh in stead. I have ensured that the two devices have identical geometry and have copied the contents…
Johan
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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 continue to store the old ones. Ignoring the obvious…
Amandasaurus
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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 instance-store? If so then what is the…
Adam
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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 installed) --- This I can do. ->…
WooYek
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Why is disk label type dos but the partition system is GPT?

And how can it be larger than 2TB if it's dos? Disk /dev/sdi: 6000.6 GB, 6000606183424 bytes, 11719933952 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 262144 bytes…
Dr. Chocolate
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Recover deleted LVM signature

I guess I've deleted LVM partition. I expanded the datastore in vmware ( 70 GB to 90 GB ), then I run echo 1> /sys/class/block/sdb/device/rescan. After that I run fdisk /dev/sdb. it shows my sdb is 90 GB but with this warning : The old LVM2_member…
Mohammad Mousavi
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Oracle Exalytics X4-4 server - RAID 1 volume corrupted while data sync was going on

We replaced a failed drive in Oracle Exalytics X4-4 machine. Failed drive was replaced fine and rebuild started. But when rebuild reached at 70%, the main disk got a bad sector and the rebuild failed. I tried rebuilding manually in megacli but it…
Nikhil Patwardhan
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ledctl: identify empty slots

Is there a way to get ledctl to identify empty drive sleds? I can flash the light on an occupied slot by using ledctl locate=/dev/sdb (for example), but cannot figure out how to locate an/all empty sleds. man ledctl suggests this is possible…
Dre
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Force initialization of dynamically expanding VHDX

Let's say we have 64GB of Dynamically Expanding VHDX. After installing the OS, the "dynamically initialized" space is something around 10GB. Now, I know that I'm gonna need about 25GB more space - e.g. a total of 35GB. QUESTION: How can I force the…
Bozhidar Stoyneff
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How to list basic information about disks (cylinders, heads, sectors, sector size) on Windows 7 and 10

On Linux, fdisk supplies this information without any problems. I can't seem to do the same anywhere in Windows, nor (at a glance) in diskpart which is intended to succeed/replace fdisk. I need to find the low and high cylinder of a CF card, number…
Henrik Erlandsson
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/home /opt /tmp /usr /var on a single partition of another hard drive Debian 8

I have a production server for which I would like to move the /home, /opt, /tmp, /user, /var to the ~300GB partition specially created for this purpose. No straightforward explanation found on how to do this, except that I can put every folder…
XMight
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ZFS on a single external HDD drive: setup / tutorial and workflow

There are many tutorials on ZFS but I couldn't find a single one which covers the changes in commands when one uses only a single drive. I know by now that the parameter copies=2 is used but what changes in the other commands and how do the workflow…
zfsoot
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