0
votes
1answer
28 views

Tracking down rogue disk usage

I found several other questions regarding the theory behind my problem (e.g. this, this), but I don't know how to apply the answers to my machine. # du -hsx / 11000283 / # df -kT / Filesystem ...
0
votes
0answers
395 views

Ubuntu 14.04 disk utility SMART self-test failed threshold not exceeded

I'm using the "Disks" program in Ubuntu 14.04 (live DVD) to assess the health of a drive I suspect is failing. However, when I first opened the program, it showed that the overall health was OK and ...
0
votes
2answers
156 views

Partition keeps filling up, don't know why

My partition /dev/sda1 keeps filling up. Besides the "/" directory, I cannot tell what directories are even on this partition in order to search for files to delete. I was able to get it down to 97% ...
0
votes
2answers
235 views

How to repair a disk on Ubuntu when fsck fails?

I was able to start a broken raid 1 system with one available and one broken disk by issuing the following command. mdadm --assemble --force /dev/md9 /dev/sda1 /dev/sda2 I was able to copy the ...
1
vote
0answers
128 views

Resize a RAID 5 Partition

I'm moving my VG to a RAID, i have 3 disk 600GB, the VG is in the partition /dev/sdc2 /dev/sdc1 1G type linux <-- Boot partition /dev/sdc2 599G type Linux LVM One disk have the VG and with the ...
4
votes
1answer
218 views

Strange IO issue with Ubuntu 12.04

I have a very strange IO issue with Ubuntu 12.04 and MySQL. Currently the machine is only a replicated slave with an occasional read query hitting it. The disk utilization spikes randomly and ...
0
votes
2answers
780 views

Output of /proc/diskstats in ubuntu

can anybody tell me about 11th field in /proc/diskstats? The documentation says that it is weighted # of milliseconds spent doing I/Os. Is it like # of milliseconds spent for DiskIO in a second? I ...
-1
votes
3answers
152 views

Ubuntu webserver is out of space

Apparently, I was using xvda1 disk which is out of space. How do I change the /etc/fstab so that I can make my xvda2 for top level, and xvda1 as additional resource? It's an EC2 instance: root@~# ...
5
votes
2answers
1k views

Disk (EXT4) suddenly empty without any sign of why

I have a Ubuntu 10.04 server with several disks in it. The disks are setup with a union filesystem, which presents them all as one logical /home. A few days ago, one of the disks appears to have ...
5
votes
1answer
839 views

No space left on device — but there is space

I'm running an Ubuntu 12.04.1 server in a VMware virtualized environment that has a strange issue. Twice now, at seemingly random times, the machine has suddenly been unable to write to the root ...
1
vote
2answers
80 views

Can I mount another drive to “/”, act like adding additional disk to “/”

System: Ubuntu Currently, the server has 50G disk, df output as below. Filesystem 1K-blocks Used Available Use% Mounted on /dev/hda1 49448752 1445164 45491668 4% / ...
0
votes
1answer
503 views

Short write and read speed disk benchmarking

We're using cloud hosting for some of our backend servers and we noticed that performance on the disks (which as confirmed by the provider are shared with other customers) vary depending on the ...
1
vote
3answers
190 views

Does this df -h output mean i have a ~ 140G area available?

I'm creating a AWS server from a ubuntu AMI - it didn't say how much disk space was allocated so I ran df -h and got the following result: Filesystem Size Used Avail Use% Mounted on ...
4
votes
2answers
575 views

Hot-swap drive got new name, can I change it on-the-fly?

One of the HDDs in my server's RAID config failed, so I took it out of the array and had the data center hot-swap it. They've done that, but now the new drive is /dev/sdc rather than /dev/sda. I ...
0
votes
2answers
356 views

Ubuntu raid 1 write errors

I have an Ubuntu server set up with two SATA drives in a RAID 1 configuration with MDADM. The machine is used to record raw video, which involves a lot of writing to the disk. Sometimes during video ...
1
vote
2answers
357 views

Server with a full disk! What can I do?

I have an Ubuntu server running PostgreSQL and a very light weight custom web-server. I knew this would happen but I was too busy, and now the disk has 0 bytes free. I don't need all the data in the ...
1
vote
2answers
386 views

HD will go into readonly mode

I'm running into a problem with some disks on an Ubuntu system. They keep going into readonly mode. We have systems running in 5 different ski resorts and this problem has now occurred in 3 of them. ...
2
votes
1answer
2k views

Resize XFS Partition (Increase)

I'm new to xfs and was wondering how to increase the size of /var and /home, I'm guessing xfs does not simply increase in size as needed... Filesystem Type Size Used Avail Use% Mounted on ...
1
vote
2answers
221 views

Cyclical / rhythmic disk I/O statistics: (activity increasing monotonically)

I have got a unique problem with one of my servers. The disk I/O statistic is consistently increasing for last couple of weeks. See this graph from Munin: From Linode's dashboard, I see a more ...
0
votes
1answer
239 views

how to install windows on a logical partition created by ubuntu

when i try to install windows xp on /dev/sda5 windows tell me that it can not write on /dev/sda1 how can i install windows xp on /dev/sda5? with out messing up some thing or is it not possible to ...
4
votes
2answers
4k views

No hard disks detected while installing Ubuntu GNU/Linux server 10.04 on Dell PowerEdge 2900

I'm trying to install Ubuntu GNU/Linux server (10.04 LTS, 64-bit) on a Dell PowerEdge 2900 server hardware, and when it comes to the disk and partition detection phase it says: No disk drive was ...
5
votes
3answers
266 views

Can a VM's virtual disk span over multiple nodes in Ubuntu Enterprise Cloud?

How does storage works with the ubuntu enterprise cloud? If I have two disks (on separate machines) with free space 10gb and 20gb, can I have a VM running with 30gb of disk space?
1
vote
8answers
700 views

What is the best way to upgrade many linux desktop workstations at once?

At work, we have several Ubuntu Linux workstations. I'm looking for a good/reliable/fast way to install a set of packages on all boxes at once. What I'm thinking of doing right now is: Install ...
0
votes
3answers
6k views

Linux: “Found duplicate PV XXXXYYYYY: user /dev/sdb1 not /dev/sda1”

I'm trying to resize my virtual hard disk, so I've cloned it, and right now I have two disks in my virtual machine. I'm trying now to boot off the old virtual disk and then resize the new hard disk's ...
7
votes
7answers
4k views

Equivalent of SysInternals FileMon for Linux?

I'm attempting to debug an application on Ubuntu - I need to listen to file open attempts (even for files that don't exist). Process Monitor (formerly known as FileMon) is available on Windows - ...