Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [hard-drive]

Questions about hard disks' performance, issues, tips, and software.

Questions about hard disks performance, issues, tips, and related software, e.g. data recovery or disk test software.

2448 questions
1
vote
4 answers

One mount point and two or more disks?

Is it possible to mount two or more disks (/dev/sda3, /dev/sda4) on one directory (/var/www)? If yes, then how can I do this (Debian 5.0.6)? Thank you!
Josh T.
1
vote
0 answers

Why would a diskless boot linux box stop seeing local hard drives?

A little background... I work on a system that uses PXE booting for the majority of the nodes. Several of these nodes have local hard drives that are used for persistent storage of data needed for archival purposes. There are specific circumstances…
Justin Bennett
  • 198
  • 3
  • 9
1
vote
2 answers

Will solid state drive improve performance of a database?

I have a Microsoft SQL Server 2008 database which contains approximately 3 GB of data. The server has 4 GB of RAM. The database is used both for reading and for writing data (lots of changes). The server is rebooted very rarely. I want to improve…
Arseni Mourzenko
  • 2,275
  • 5
  • 28
  • 41
1
vote
2 answers

spontaneous hard disk password

I had an HP proliant server go down recently. All of the sudden the sas controller (e200i) would not see any of the physical disks. New disks were detected just fine. I thought it was odd that all 6 disks would go down at one time so sent them to…
dw.emplod
  • 353
  • 1
  • 4
  • 10
1
vote
3 answers

How to cleanly dismount an ext3 partition with a small usb distro or other solution

I have a disk that was inside a Nas, that seemed to run to hot and eventually just stopped working(the disk is fine, the nas broke) I don't have a physical machine with linux on at the moment, so I'm working with it inside an xp machine. I'm using…
optician
  • 533
  • 8
  • 19
1
vote
1 answer

How to determine a disk consuming service in Windows 2008 server?

How to determine a disk consuming service in Windows 2008 server? I have a problem on Windows 2008 server with a constant growing used disk space? How to determine which service consuming most of the disk? How to clean-up that disk? I have used…
Peter Stegnar
  • 571
  • 2
  • 10
  • 22
1
vote
1 answer

Best way to mirror files to an external hard drive?

I have a 1 TB internal hardrive full of important files and media on a server running Ubuntu; I also have a 1 TB external hard drive that is plugged into the same server. What would be the best way to backup the internal drive to the external drive…
Petey B
  • 173
  • 1
  • 10
1
vote
1 answer

Can I mix RAID-0 and RAID-1, i.e., striping and mirroring?

With my Dell Precision Workstation T7400 came a SAS controller that supports both striping and mirroring. Total nr of physical connections is 4. What I'd like to do is plugin four 2TB disks, select two of them for striping and the other two for the…
Abel
  • 1,037
  • 8
  • 20
  • 32
1
vote
5 answers

Best practice to protect data from disk corruption

I dont have any mechanism to protect my data (images, video, etc) from disk corruption. I just wonder how youtube protect their videos. What is the best practice to protect data from disk corruption?
Mark Zuckererg
1
vote
3 answers

Poor IO performance on SQL Servers in VMs

I have a small VM ESX 3.0 implementation - mostly test web servers, however there is 1 db server that gets terrible io performance. Will adding additional virtualized disks in a RAID help performance much?
user49965
1
vote
1 answer

Writing on an external USB hard disk is very slow on my local Linux CentOS server

I have this external harddrive: _ Buffalo Ministation TurboUSB HD-PS250U2 250 GB _ just formatted using ext3 _ 250 GB _ interface USB2 _ SATA 150 internal interface _ no hardware encryption _ full specs can be found here:…
Daniele
  • 661
  • 1
  • 7
  • 10
1
vote
5 answers

100% disk full on Centos?

Can someone tell me, why is this 100% used on the /? How can I fix this problem? I'm not a unix admin, I'm a programmer but can read the books. [root@datasrv /]# df Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda2 …
Phil
  • 265
  • 2
  • 6
  • 13
1
vote
4 answers

Disks for hadoop, what do you recommend?

what is you recommendation about disks for Hadoop? Do you recommend using SAS, or just attaching disk over SATA? Or maybe something else? What are pros and cons of every option? (Decision about disk size has been made, and there will be about 5-6…
wlk
  • 1,713
  • 3
  • 14
  • 19
1
vote
2 answers

Measuring disk performance for random seeks?

I'm setting up a server that involves lots of database writing during regular updates, and I have wildly varying results between different machines. I'm trying to find out what I can expect from different machines (and hosting providers) without…
gravitystorm
  • 111
  • 3
1
vote
1 answer

Partition device missing after partitioning LV with sfdisk

I've successfully partitioned a logical volume (/dev/dm-2) using sfdisk and fdisk -l now reports there to be a partition /dev/dm-2p1 as desired. However, this device does not seem to exist in /dev/ and I'm unsure why/where to find it so that I can…
Joe
  • 344
  • 2
  • 7
  • 23
1 2 3
…
99
100