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• sql 2008 disk layout on a budget this is for database mirroring

  - by user22215

  Guys I'm rolling out a SQL database server that will be used to back Sharepoint 2007. Right now I need some advice on my disk layout. I have two Dell servers that are configured a little differently in terms of storage. The principle server will be using a combination of local storage and san storage. I have to work with what I have the…

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• How harmful is a hard disk spin cycle?

  - by Gilles

  It is conventional wisdom¹ that each time you spin a hard disk down and back up, you shave some time off its life expectancy. The topic has been discussed before: Is turning off hard disks harmful? What's the effect of standby (spindown) mode on modern hard drives? Common explanations for why spindowns and spinups are harmful are…

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• Ubuntu hard disk getting SATA errors

  - by Henadzy

  I am getting "UNC" errors on a hard disk on Ubuntu 9.10. It slows down my system, applications have not been responding for a long time. But when I mount the filesystem on another computer, it works properly. disk: SAMSUNG HD161HJ (SATA) syslog: Apr 25 00:28:25 vare6gin kernel: [ 885.773839] ata3.00: exception Emask 0x1 SAct 0x1e …

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• Not able to access external Hard disk

  - by Jash Jacob

  I have a 1TB External Hard drive which I'm currently not able to access. When I open the External drive in Finder, It shows it's empty. When I use the option to "Get Info", I get the dialog box stating it has about 300GB Free. Tried to get into the External Drive using Terminal, I had no luck. Checking in Disk Utility, It showed…

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• MySQL getting stuck, eating up disk i/o

  - by bonez05

  Hi all, Using mySQL 5.0.51 on Solaris . At intermittent times it looks like MySQL is getting 'stuck' . The disk usage on the server spikes to 98% busy from reads. I used dtrace (specifically DTrace toolkit - iosnoop) to track down what processes was using all the reads. Mysql was calling tablename.TDM hundreds of times per…

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• grub2 error : out of disk

  - by Nostradamnit

  Hi everyone, I recently install ArchBang on a machine with Ubuntu and XP. I ran update-grub from Ubuntu and it found the new install and created an entry. However, when I try to boot it, I get: error: out of disk error: you need to load kernel first I've tried several things, including adding a new entry in 40_custom, but…

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• Recovery disk Windows 8 HP Pavilion g6

  - by fpghost

  I recently purchased a HP Pavilion g6 laptop running Windows 8. I want to either obtain the Windows 8 ISO or make some kind of recovery disk that would allow me to restore the system if things go wrong. The HP Pavilion comes with the 'HP Recovery Manager' which I thought may do the job, but on running it and putting in a…

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• p410i Mirror failed couldnt find same disk

  - by Heishiro Mitsurugi

  I have an HP server with an P410i RAID Card installed. I had two SATA Drives connected (250GB each). The RAID was configured as a Mirror. A few days ago the drive one (1) failed, and i had to remove it. Tried to find the same part number here in Venezuela, but i couldn't. So, i bought a 500GB SATA Drive, and connected it…

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• Performance of external USB disk with ESXi5

  - by PeterMmm

  I have a new HP DL120 G7 server with ESXi5. One VM is a Win2003 instalation and I have an external USB2.0 drive attached by USB Controller and USB Device. I copy a 4GB file from external USB to server disk. In the VM that takes up to 10 minutes. On a native Win2003 that takes aprox. 3 minutes. I have no explaination…

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• Build and migrated to software raid (mdadm) on GPT disk, now can't assemble array

  - by John H

  mdadm, gpt issues, unrecognized partitions. Simplified question: How do I get mdadm to recognize GPT partitions? I have been attempting to convert/copy my Ubuntu 11.10 OS from a single drive to software raid 1. I have done similar in the past, but in this case, I was adding in a drive that has been configured for GPT…

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• Out of space despite lots of free space remaining

  - by Kristian Thomsen

  When upgrading Ubuntu from 11.10 to 12.04 I discovered an unexpected problem. The upgrade was stopped because there wasn't enough free space for the installation. I managed to free some space and do the upgrade but now a prompt appears after logging in saying I'm out of space. This prompt asks me if I want to examine…

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• raid advice with SSD and two HDD

  - by Nin

  I have a new machine with one 128GB SSD and two 1TB HDD. On the SSD is the OS and my initial thought was to put the two HDD in RAID 1 for user data. After some more thought I came up with two other setups and now I'm in doubt :) Can someone advise what would be the best setup? 1: single SSD and HDD in RAID 1…

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• howto mount usb disk on esxi

  - by maruti

  have a USB drive NTFS attached to ESXi4 host. fdisk -l shows the device as /dev/mpx.... but when i try to mount that using mount /dev/xxx /mnt/usbdisk....it fails with message "no such file or dir" could anyone help with correct entry in etc/fstab? all that i am trying to do is backup the vms on esxi host to…

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• "No bootable device - insert boot disk" after restart on Ubuntu 10.04 b1 update

  - by anjanesh

  I was making an update on my Ubuntu 10.04 beta1 64-bit PC when, after reboot I get PXE-E61: Mediaa test failure, check cable PXE-M0F: Exiting Intel Boot Agent. No bootable device - insert boot disk and press any key How did my boot record disappear ?

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• Eject disk on Mac Pro running VMWare ESXi

  - by DougN

  I'm almost embarrassed to ask this, but I'm stuck. I installed VMWare ESXi on a Mac Pro. It's working great! The problem is that you press F12 to eject the disk, and F12 is what you use to shutdown ESX. I can power down, open the case, pull out the CD drive and use a paper clip to force the drawer open,…

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• Best available technology for layered disk cache in linux

  - by SpliFF

  I've just bought a 6-core Phenom with 16G of RAM. I use it primarily for compiling and video encoding (and occassional web/db). I'm finding all activities get disk-bound and I just can't keep all 6 cores fed. I'm buying an SSD raid to sit between the HDD and tmpfs. I want to setup a "layered" filesystem…

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• Proper way to set permissions on an external disk's ext3 partition

  - by kemp

  I have a new external disk and just made an ext3 partition on it. I'm wondering what's the best way to set permissions on it (so that it's rw for certain users). I guess I could chmod ... /dev/sdb1 but I was thinking of a more dynamic way (kind of like uid= and gid= options for vfat and such).

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• Hyper-V Server R2 - Disk management MMC returns RPC Server is unavailable

  - by GrZeCh

  Hello, does someone faced error "The RPC server is unavailable" during connecting to Disk management MMC console to Hyper-V Server R2? Servers are in the same AD domain and MMC console is enabled on Hyper-V. Thanks

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• Is defragging relevant to improving disk performance anymore?

  - by Imran

  Does it stil make much difference, now that we have much faster and larger HDDs? Generally I find if disk performance is getting too slow, it's probably because of too little free space, and the solution is to buy a new HDD.

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• eAccelerator disk cache size

  - by Josh

  I am using eAccelerator to cache my PHP opcodes. I have the disk cache set to /var/cache/eAccelerator. How can I limit the size of the cache? It's already grown to 1.5 GiB and keeps growing!

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• Increasing disk performance on Linux

  - by Robert Munteanu

  What are some good ways of increasing disk performance on Linux? I'm not interested in hdparm settings, since those are: set to good defaults in recent distros; not applicable to SATA drives.

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• Howto Mount ext3 VMware Virtual Disk Image (vmdk)

  - by iceman

  I found a wiki to mount NTFS VMware Virtual Disk Image (vmdk) and another link . I want to mount a ext3 vmdk file on Windows Xp . how to do that ? The VMware-mount-5.5.0-18463.exe utility mounts NTFS filesystems created with vmplayer 3.0.0 build-197124

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• Create disk image from a remote system

  - by cringe

  I want to backup a disk from a remote system, but the remote system itself has not enough space available. Now I want to use ddand pipe the output through ssh, but I can't figure out how to do it. I read several sources on the web, but I'm stuck now. Can someone please point me to a good resource or…

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• Mounting ubuntu's root.disk in Windows 7

  - by gAMBOOKa

  I've got Ubuntu 9.10 installed in an NTFS partition. After an update, I started getting kernel panics, so I need to reinstall it. But before I do that, I need to retrieve and backup my home directory. I believe Ubuntu's file system is packaged in the root.disk image. So how do I mount it in Windows?

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• Toast vs Disk Util?

  - by Grishanko

  I have several users that are insisting on the purchase of Toast. They will be using it to make backups of disks at possibly re-burn them if needed. I have used Disk Utility for that function. At this point there is no addition functionality needed. However, that can always change in the future. Is…

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