Questions about hard disks' performance, issues, tips, and software.
-1
votes
1answer
32 views
fdisk -l ouputs nothing
I have a dedicated server at 1and1. If I try to boot normally the server never initializes and I'm unable to contact it either by ssh or serial console. I can only reach it if I boot in rescue mode.
...
-3
votes
0answers
16 views
Solaris Automated install Hard-Drive Windows 7 [closed]
I got two hard disks, one of 40gb and another one with 1tb.
The 40gb has windows 7 installed on it, taking all the space of this hdd, and in the 1tb disk i got few logic and extended partitions; in ...
-3
votes
1answer
22 views
Adding a existing (raid) harddisk to esxi without data loss
My previous install was an Ubuntu-Server 12.04 installation without VMWare.
There i had 1 OS disk with 750GB and 2 other disks (both 2TB) in RAID1.
I decided to virtualize my server so i can add ...
0
votes
2answers
54 views
RAID 1 hard disks errors, file system is not mounting
I have a Server with 2 HDDs in soft RAID 1, the OS is Debian Wheezy. After some database testing, the file system has gone to read-only mode, after which I have rebooted the machine. The server is not ...
-2
votes
0answers
16 views
How Can I Boot from one of my partitions from External USB HardDisk? [closed]
I have 1 TB external Transcend USB 3.0 hard drive and made two partitions on it, one of which was for booting purpose. Later I figured out that this was difficult task to boot from a single partition ...
0
votes
1answer
30 views
Exabyte tape drive conversion to hard drive
I've never used tape drives before. For work I have to transfer some data from old Exabyte cassettes to a hard drive using an Exabyte tape drive reader. I don't have more information than this at the ...
0
votes
2answers
26 views
Hard drive errors: probably 2 bad sectors and nothing is working
All started with bsod from WindowsXP: unmountable boot volume.
Then I tried ubuntu and Palimpsest. SMART status was OK (2 bad sectors), but all test failed on "reading system" (I don't know if I ...
1
vote
1answer
28 views
How are SMART selftests related to badblocks?
The smartctl tool allows initiating a long self-test (smartctl -t long /dev/sda). However there's also badblocks that I can run on a drive. How are the two related? If badblocks detects bad blocks, ...
16
votes
3answers
655 views
SSD head / cylinder / cluster details
A customer of ours makes industrial robots that run on very old, but stable, hardware and software. The only bottleneck has always been the hard drive in these moving machines. Due to constant ...
-1
votes
1answer
61 views
Are disk partition labels or UUIDS stored in the partition area itself or in some other area of the hard disk? [duplicate]
Are disk partition labels or UUIDS stored in the partition area itself or in some other area of the hard disk?
e.g If the dd command is used is used to copy the raw partition image from one partition ...
1
vote
1answer
36 views
Why do I keep getting bad index files with Git [closed]
I keep getting the following error:
error: bad index file sha1 signature
fatal: index file corrupt
And I know the short term solution is just to delete the index and away you go but my question is, ...
0
votes
1answer
34 views
Error messages in x3550 related to hard drives not detected at bios level
I have an IBM x3550 when I start it I get the following messages:
no logical drives found
no int 13 drives to support
bios not installed
I go into diagnostics and I noticed that SCSI ...
-1
votes
1answer
44 views
my ibm x3550 server can't find the hard drives
I recently purchased a used ibm x3550 server with two 2.5" SAS hard drives included. When I boot the server it doesn't recognise them. I get into the bios and I can't see them there. I try to install ...
0
votes
2answers
90 views
No space left on device
I have a vServer and I can't upload/copy files.
It says "no space left on device" but I have like 130 GB on my hdd.
This is what it shows on: df -h /
df -h /
Filesystem Size Used Avail ...
1
vote
1answer
103 views
Hard disk error
There seems to be something wrong with my hard drive, but I'm not sure what, or how to proceed. The first sign of any problems was this:
I tried making a new directory on my server, but when I did ...
0
votes
1answer
26 views
re-mount two old disk from raid0 setup to recover data
I had setup two 500gb disk in RAID0 on my server, but recently suffered a hard disk failure (saw a S.M.A.R.T error on the HDD at boot). My host has put 2 new disk in RAID-0 again (re-installed the OS) ...
0
votes
2answers
35 views
Insert hot-swappable disks into a running server? [closed]
I have a Dell PowerEdge 2900 with a PERC 6/i card and 4 HDDs running a single RAID-10 array. I want to add an additional 4 HDDs into the server and create a new RAID-10 array on those disks, without ...
0
votes
1answer
48 views
debian Read-only file system error
I logged on to my debian box and tried running some commands and I was presented with the following message.
sudo: Can't open /var/lib/sudo/username/0: Read-only file system
After doing some ...
-2
votes
0answers
20 views
No HDD when looking at server catalogues [closed]
I am looking at this website which sells servers, and I am a novice to the process.
http://imgur.com/BzsmtTx
All of the entries say "No HDD" which I am interpreting as meaning "no hard disk drive."
...
1
vote
3answers
51 views
Analyzing server's HDD because it's getting full
my server is getting really full. It's just 10GB server and it's just have command-line. It has Ubuntu. Can anyone tell me any application which can analyze my HDD and find the largest files and ...
-1
votes
3answers
95 views
Raid 0, Raid 1, Raid 5, Raid6, Raid 10 Read/Write performance? [duplicate]
Assume a single disk has a baseline of 1W & 1R performance, how does the different RAID configurations behave?
My initial guess:
Raid 0: 2W 2R
Raid 1: 1W 2R
Raid 5: ? ?
Raid 6: ? ?
Raid 10: ...
-3
votes
1answer
35 views
Sharing drive contents using Samba - What harddrive format? [closed]
What format should my harddrives be if I am putting them in a ubuntu server with the intention of sharing the drives contents using samba to other PC's, Macs and linux PC's?
I don't know if I should ...
1
vote
2answers
136 views
Windows 7 clients perform chdsk on every boot
since last microsoft patch tuesday 70% of windows 7 client in my network (active directory domain) ask to perform a checkdisk on every boot.
What i have already tried:
Let the client do the check ...
-2
votes
2answers
59 views
How to recover data from an external drive with messed up partitions [closed]
I have an external Buffalo 1TB drive (HD-HX1.0TU3) that contains some data I want to recover.
Here's what happened - I decided to take the external drive apart and put the hard disk into a desktop ...
1
vote
0answers
118 views
How do I reboot over SSH, so that fsck can be run, on a read-only file system without sudo (or root)?
I have a server in a remote location, which I think is suffering disk issues and has remounted / as read-only.
My Debian (Squeeze) installation does not have a root user. I have been using sudo to ...
0
votes
3answers
91 views
What's the best way to have a backup image of system disk?
Under windows system I'm used to create an image of HD with driveImageXML.
What's the best approach to have an Image of the hard-drive containing the OS, with Ubuntu Server?
I'd like to have a ...
2
votes
2answers
105 views
RAID 10 — how do you know a drive is going or is bad?
I have some servers with a datacenter all the servers have RAID 10 setup. How do I know when one of the drives is going bad or is bad and needs to be replaced?
EDIT: These servers are unmnaaged and ...
-1
votes
1answer
50 views
Is this a sign of a bad drive? [closed]
smartctl --attributes --log=selftest /dev/sda
smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-379.22.1.lve1.2.17.el6.x86_64] (local build)
Copyright (C) 2002-12 by Bruce Allen, ...
2
votes
3answers
158 views
Is my HDD falling?
I tested my HDD with command:
smartctl -t long /dev/sda
I checked status of test with command:
smartctl -l selftest /dev/sda
This is the output:
smartctl 5.42 2011-10-20 r3458 ...
7
votes
3answers
217 views
Hard disk write-once mode on Windows
Is it possible to force a hard disk into 'write-once' mode in Windows?
I want to securely store logs so they can't be changed, but I can't use tapes or optical media due to performance reasons.
0
votes
0answers
32 views
Are “enterprise grade” drives really better [duplicate]
Are hard drives labeled as enterprise grade actually better quality wise (in terms of failure rates)? I could not find any benchmarks.
It seems more of a "support"\CYA thing.
-1
votes
1answer
124 views
Home Whitebox ESXi with FreeNAS handling local storage [closed]
I'm kind of new to ESXi, FreeNas, and really anything beyond home Windows support. Please forgive me for my level of knowledge, but I'm reading alot and trying to learn. This seems like a fairly large ...
3
votes
3answers
83 views
Will adding HD's to a Proliant 350e server invalidate the warranty
We are looking at getting a new file server in the office.
When looking at HD's the ones that HP sell are twice or more than just buying a drive and getting a caddy to hold it in the server. When we ...
0
votes
1answer
80 views
Is there anything I can do with a software RAID 1 on linux to workaround temporary 'bad' sectors?
Basically I have two identical hard disks that are in perfect working order, they just don't have the vibration tolerance they need for the environment they are in. (I am making an educated guess that ...
0
votes
2answers
46 views
Missing hd space on old Win2003 Std Server
I have an Windows 2003 Std Server that is running AD/DNS/DHCP that is running out of hdd space on C: (70GB hd with two partitions (C=12gb,D=52gb))
Now I found a log file Symantec Reporting Agent that ...
1
vote
3answers
62 views
Recover data on a hard-drive that changed partition table
I changed the partition table on one HDD from GPT to MBR/MSDOS but I realized (too late) that it affected all partitions on the same HDD. Basically I lost data on the secondary partition which I ...
0
votes
1answer
65 views
is it possible to restore a deleted raw partition after a new partition & volume was created
a a raw partition was deleted from a disk, a new partition & volume was created. a bit of data has been written to the volume already.
Given the above scenario:
1 - is it possible to restore the ...
1
vote
1answer
67 views
HDD compatibility to rebuild for RAID
Last year we build a RAID 1 with Western Digital 2 TB drive model number WD20EARS. Unfortunately one of the drives failed. We are unable to find any new drives of the same model number. What do we do?
...
0
votes
0answers
65 views
Most appropriate Hard Disk for Host filesystem on VM server with SSD and HDD [closed]
I am putting together a new system which has both SSD and standard spinning disks (1 x RAID1 SSD set and 1 x RAID1 HDD set).
Most sites I've looked at suggest putting the root file system on the SSD ...
0
votes
1answer
31 views
DB2-Express-C and Postgresql using raw harddrive as datastore
I have a system running Solaris with 2 harddrives. One holding the OS and the other unpartitioned. I was thinking about using the second as database space.
My question is, if it is possible to let ...
0
votes
1answer
56 views
KVM Image Jammed After Power Unplug
We have a HP DL380 Server which has ubuntu 12.04 OS as Host and for Virtualization KVM.
Power of our server unplugged suddenly and after plugging power size of image of vm
in
...
0
votes
1answer
45 views
How can I monitor if an external USB drive gets disconneted from a server?
I have a few servers that rely on external USB drives for some of their backup scripts. However, there have been times when the USB drive might get disconnected accidentally (upon reboot or power ...
0
votes
1answer
107 views
CentOS 5: is %wa too high or optimal?
i have question about waiting for HDD. I'm not sure what is optimal %wa.
Server running browser game, i know that there is a lot hdd writing but im not sure what is optimal %wa.
Server running 8 ...
0
votes
1answer
168 views
3ware 9500S-4LP - Replacing faulty drive
An old Windows 2003 server is running on a 4 disks (each250GB) RAID 5 array, attached to a 3Ware 9500S-4LP unit.
This morning I got two alarms from the controller:
- 0x04:0x0025 Cache flush failed; ...
1
vote
4answers
134 views
How to move the MySQL datadir with minimal downtime?
Let's say I have partition sda2 mounted on /var and it's almost full. I have a second disk sdb whose partition sdb1 I want to mount as /var.
Now since a running service (mysql) is using /var all the ...
0
votes
3answers
110 views
Can I remove and test hard drive from Raid5 controller without rebuilding?
I have a new PowerEdge T320:
Intel Xeon E5-1410 @ 2.8 GHz
16GB
Windows Server 2008 r2 configured as Domain Controller
Dell PERC S110 Software Raid
4x 7200 rpm 1TB drives configured in Raid5
I have ...
1
vote
1answer
44 views
Is there any sense to repurpose old hdds to maximise lifetime?
I have some 1TB SATA drives that are used for light online data (non-boot) but they are getting old. I though that by repurposing them to be archive drives, they might last longer.
Any ideas, or ...
-1
votes
2answers
43 views
The device, \Device\Harddisk4\DR37, has a bad block
I've received the error below and wondering if it's something I should be worried about? I've checked the RAID controller and all are functioning without errors.
Log Name: System
Source: ...
-1
votes
1answer
37 views
S.M.A.R.T does not want to run
How do I run S.M.A.R.T on a server with 2 hard drives in RAID1?
I tried:
smartctl -i -d /dev/sda
smartctl -i -d /dev/sdb
smartctl -i -d /dev/md1
but get this error:
smartctl 5.40 2010-07-12 r3124 ...
0
votes
1answer
82 views
Hard drives fail, filesystem goes into read-only mode
2 days ago I got a warning message that:
A DegradedArray event had been detected on md device /dev/md1.
I contacted my data center and asked them to change the hard drive. They told me that ...
