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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.

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Why is "df -T" showing only one hard disk?

I just ordered server which the hard disk spec is 2 x 1.5TB but when using df -T only showing 1.5TB: Filesystem Type 1K-blocks Used Available Use% Mounted on /dev/hda1 ext3 1417219800 1243220 1342824608 1% / tmpfs tmpfs …
cewebugil
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Windows Server 2003 disk queue length problem

I am using a server 2003 as a file server what support 30-40 user simultaneously. Users always report the response time of open folder is very slow and something will cause the explorer. I check the disk queue length using performance monitor, it…
user9272
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Do I need to re-install .NET (or something) after mscorlib.dll chkdsk error?

After noticing that some periodic hanging behavior on my Dell XPS 210 (running Vista 32-bit) seemed correlated to disk activity, I ran chkdsk /r. The system seems much better, for now. However, I still have a concern. It found and fixed a bunch of…
Jacob Gabrielson
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Bad motherboard / controller / HDs?

On a leased server, I am running into some timing issues with an application that requires precise timing. Server is a Dual Xeon E5410 running on a Supermicro X7DVL-3 motherboard under CentOs 5.5 x64. The application I am running is timer sensitive…
quidpro
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permissions for backup operators to eject disks

I'm backing up a Windows Server 2008 R2 server to external USB disks using Windows Server backup. I want the person who physically removes the drive to rotate it offsite to be able to eject the drive before unplugging it. How should I set up my…
Colin Pickard
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SAS disk performance drops a while after reboot on cent 5.5 boxes

So we have some workstations with identical hardware. The Fedora14 box has a couple weeks uptime and still get good performance. hdparm -tT /dev/sda /dev/sda: Timing cached reads: 21766 MB in 2.00 seconds = 10902.12 MB/sec Timing buffered disk…
Flamewires
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renaming hard drives (sdc to sdb) on the fly

ata2: link is slow to respond, please be patient (ready=0) kernel: [2761026.198796] ata2: soft resetting link kernel: [2761031.226669] ata2.00: disabled kernel: [2761031.226720] ata2: EH complete kernel: [2761031.226753] sd 1:0:0:0: [sdb] Result:…
w00t
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ATAPI Event 11 "The driver detected a controller error on \Device\Ide\IdePort2."

This is in the System Event log (Windows Server 2008) ATAPI Event 11 "The driver detected a controller error on \Device\Ide\IdePort2." It is probably a hardware problem, but I'm not sure how to determine that for sure. The machine still works most…
ScottStonehouse
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Unmount hard drive debian

hey, i accidentally mounted the same hard drive twice to two different directories, how can I remove one of the mounts? I have this /dev/sdb1 459G 199M 435G 1% /disk2 /dev/sdb1 459G 199M 435G 1% /var/www/disk2 and i…
Belgin Fish
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Is there a problem with having massive amounts of self-mounts?

I have a configuration in which I want to use a huge amount (1000-10000) of self mounts (mount --bind). My filesystem is ext4 in RAID 1 with two 400GB HDDs. Basically, what I am trying to do is making files available, that are synchronized from a…
HalloDu
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SharePoint WSS3.0 how much free space should I be running with

My Sharepoint WSS 3.0 box is running into various issues and I notice it has less that 3GB free HDD space. what is the recommended amount for a sharepoint server to keep free and available? This is a virtual system so I can easily assign more memory…
Pierce
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How to interpret IOZone results?

Here are the resuts of running IOZone on an ext3 filesystem on an LVM volume residing on a SAN LUN (it was ran with 5 parallel processes). "Throughput report Y-axis is type of test X-axis is number of processes" "Record size = 4 Kbytes " "Output is…
persson
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10 SFF in 1U case, identify please

Could you please identify this OEM/ODM case? I've dreamed about 10 disks in 1U from the day I was born. I know many server brands offer 8, but I wish I can have ten. ) The problem is guys sell it only as full server with warranty included, asking…
qiwi
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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. The machines process movies and run a webserver…
Abel
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What is read cache in "[sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA"?

I'm trying to figure out what the read cache part of the following message refers to: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Is it "IDE drive's read-lookahead feature (usually ON by default)" as treated by…
poige
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