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• Virtual Machine files on ramdisk doesn't run faster than on physical disk

  - by Landy

  I installed total 36G memory (4x8G + 2x2G) in the host (Windows 7) and I used ImDisk to create a 32G ramdisk and format it to NTFS file system. Then I copied the virtual machine (in VMware Workstation format) folder, including vmx, vmdk, etc... to the new created ram disk. Then I tried to power on it in VMware Workstation. What made me surprised is…

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• Dynamic Disk: Revert back to basic or...?

  - by someguy

  When I was trying to create a new partition (via Disk Management) it warned me that the disk would be dynamic, but I thought it meant the partition and went ahead. Now, my hard disk, which has the main C partition, is dynamic. I haven't shut down the computer, and I'm not sure what the consequences are. Should I revert back to basic or...? What…

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• Hard Drive Fundamentals And Verifying Disk Performance

  - by Agnel Kurian

  Over the past few months, my Windows XP machine has slowed down to a crawl. It takes about 10-15 minutes to go from power-up to reaching a responsive state. I have reasons to believe that this is a result of the hard disk slowing down. Questions: Do hard disks slow down as a result of mechanical wear and tear ...or age? How do I check if my…

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• Missing disk space in Windows XP

  - by Jørn Schou-Rode

  On my mother's Lenovo laptop, Windows XP claims that the hard drive is almost full. According to the properties window, 52.7 out of 55.2 GB is in use: By deleting temp files from Internet Explorer, System Restore, Recycle bin, Windows Update, System Cleanup, I managed to free up about one GB. That's still 50 GB in use, which still is a…

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• Solaris kstat sdX disk nread counter value decreasing

  - by mykhal

  I get strange disk io nread (bytes read) counter values (from kstat) on Solaris. Example of collected nread value for sd6 disk collected in 30s interval (command kstat -n sd6): 768579416 768579416 768579416 768579416 768579416 768579416 768579416 768496080 768496080 768496080 768496080 768496080 768496080 768496080 768496080 768530896…

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• What options are available to perform whole disk encryption with Snow Leopard

  - by Alex Reynolds

  We would like to encrypt the entire disk of a Snow Leopard workstation running some sensitive file, database and web services. PGP does not yet work for 10.6, and we cannot use FileVault as it is not compliant with FIPS and would require non-standard installation of services. What whole-disk options are available that are known to…

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• Disk performance below expectations

  - by paulH

  this is a follow-up to a previous question that I asked (Two servers with inconsistent disk speed). I have a PowerEdge R510 server with a PERC H700 integrated RAID controller (call this Server B) that was built using eight disks with 3Gb/s bandwidth that I was comparing with an almost identical server (call this Server A) that was…

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• best Graphical disk space explorer utility for Ubuntu?

  - by Japan Shah

  what is the best disk space explorer utility for linux? I want to see folder wise size graphically, which folder has taken how much disk space.

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• Store Varnish cache in hard disk

  - by Great Kuma

  Hello, The situation is: Im building PHP application, and need http caching. Varnish is great, and lots of people tell me that Varnish store the cached data in RAM. But I want it cached in hard disk. Is there any way to store the Varnish cached data in hard disk? thanks.

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• Cloning an LVM disk with dd?

  - by joeforker

  I would like to clone a smaller LVM-formatted disk onto a larger one using dd, and boot that disk in the same machine. Do I need to make any special considerations for LVM?

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• Setting Low Disk Space Alerts on Windows Server 2008

  - by rmwetmore

  I was wondering if there is an easy way to trigger an e-mail alert on Windows Server 2008 when any logical disk partitions become low on space. I have 2 SQL servers that have come close to running out of disk space because of the DB log files. Thanks, Ryan

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• Why is the disk making my motherboard beep?

  - by Mark Ransom

  Whenever I let my PC do heavy disk accesses for a long time, the speaker on the motherboard starts making a continuous chirping sound. Thankfully it doesn't happen often, but it drives me nuts when it does. Anybody know where this sound might be coming from, or have any hints as to how to track it down? Edit: The problem appears…

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• Clean install vs disk image

  - by Thanos

  Once a year I am making a clean install on windows, in order to keep my system fast. After posting a question on making a bootable windows usb with exe programs where I was adviced to make a disk image, a new question rose. What is the difference in making a disk image and performing a clean install on windows? Which is better…

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• How do I Change a damaged Disk in a Raid 5 array

  - by Egakagoc2xI

  Hi, I have a server with a 4-drives Raid 5 array; one of the disks is damaged. All the disks are hot pluggable. My Question is, I want to replace the damaged disk with a new one, do I have to shutdown the server or should I just change the hard disk with the server on and it will rebuild the array? There is a procedure to…

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• Bad disk performance on HP DL360 with Smarty Array P400i RAID controller

  - by sarge

  I have a HP DL360 server with 4x 146GB SAS disks and a Smart Array P400i RAID controller with 256MB cache. The disks are in RAID 5 (3 disks + 1 hot spare). The server is running VMware ESX 3i. The disk write performance is really bad. Here are some numbers: ns1:~# hdparm -tT /dev/sda /dev/sda: Timing cached…

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• Windows 7 keeps insisting that it needs to check disk for consistency, but never does

  - by Mike

  Lately Windows 7 has been telling me that I need to check disk D: for consistency. This happens more than 50% of the time when booting up. The first time, I didn't touch anything so that it would go ahead and do its scan. It didn't seem to do anything - just booted straight into Windows. The second time I tried to…

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• After reinstallation, Disk Cleanup disappears when I click OK.

  - by James

  After I reinstalled Windows 7, Disk Cleanup stopped working. I can start Disk Cleanup and select the drive to clean, but when I click on the OK button, the window disappears. Any solutions? Here's the data from Windows LogsApplication :- EventData 1744235005 1 APPCRASH Not available 0 cleanmgr.exe …

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• Win 2008 R2 - copying TO disk is very slow, copying FROM is more or less okay

  - by avs099

  I have Windows 2008 R2 SP1 with 4 identical SATA disks (Seagate Barracude 7200) in RAID 5 array. It has 4Gb of memory; all recent updates are installed. Problem: when I copy large file from one folder to another, I get about 10MB/s average speed. When I read this file from network share via 1Gbps…

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• Mac OS X Disk Encryption - Automation

  - by jfm429

  I want to setup a Mac Mini server with an external drive that is encrypted. In Finder, I can use the full-disk encryption option. However, for multiple users, this could become tricky. What I want to do is encrypt the external volume, then set things up so that when the machine boots, the disk is…

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• Linux disk usage analyser that acts like symlinks are real files

  - by Rory

  I am using git-annex, an extension to the DVCS git, which is designed for handling large files. It makes heavy use of symlinks. The actual large files are moved to the .git/annex directory and the original files are symlinked to there. I am running out of disk space, and need to clear up, and see…

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• Unable to format disk: 'The system cannot find the file specified'

  - by ACarter

  I have a USB flash drive, which I may have mucked up, so I used DISKPART's CLEAN to clean it up. I created a simple volume, and tried to format it. (This is all using Windows' disk management.) I was told The system cannot find the file specified. So I tried using DISKPART (as an admin): …

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• How HP D2700 disk enclosure is monitored for alarms via SNMP

  - by VSAC

  We have HP D2700 disk enclosure and we would like to monitor D2700 (connected to HP Proliant DL360G8) for alarms.I have following questions regarding this. What are the options available for reporting D2700 hardware alarms (disk failure, power failure) via SNMP? We understand the D2700 to…

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• disk-to-disk backup without costly backup redundancy?

  - by AaronLS

  A good backup strategy involves a combination of 1) disconnected backups/snapshots that will not be affected by bugs, viruses, and/or security breaches 2) geographically distributed backups to protect against local disasters 3) testing backups to ensure that they can be restored as…

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• Completely Format iPhone with Disk Utility on Mac

  - by Mr. Man

  Is there any way to COMPLETELY format an iPhone (not restore) using Disk Utility or a similar program on Mac?

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• Munin "Disk usage" is too high?

  - by f-aminov

  I've recently installed munin on my VMware client server and saw that the Disk usage shows about 80-90%. Everything else (cpu load, ram, etc.) seems to be running fine. I have only two virtual hosts on my server with 1000 users/day in total, so I don't think that's too much. Here is…

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