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Adi Oltean's Weblog - Flashbacks on technology, programming, and other interesting things

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  • Blog Post: Script recipe: How to increase the maximum number of quotas in the FSRM Quota Report (W2K3 R2)

    One of the customer requests we had on Windows Server 2003 R2 was the ability to increase the maximum number of quotas in the FSRM Quota report. The current limit is 1000 quotas maximum. How do I set this limit to 20,000 for example? Here is how - assuming that you have Powershell 1.0 installed, just...
  • Blog Post: FCI – how to use classification (video)

    Just found a new video demonstrating the new classification feature in Windows Server 2008 R2. Enjoy! Special thanks to dawho1 who posted the video.
  • Blog Post: Script of the week: how to expire files with Classification

    It is an eye opening experience to sit at our FCI booth and see customer after customer telling us their biggest problem with managing file servers today: lots of old data sitting on their file servers. When I tell them how that our classification feature solves this problem, it something that always...
  • Blog Post: A simple way to access Shadow Copies in Vista

    In the past, I presented various ways to browse these mysterious device objects called "shadow copies". Shadow copies are static images in time (snapshots) of your volume contents, at some point in the past. These shadow copies are volumes on their own, with a file system namespace accessible...
  • Blog Post: Mommy, Why is There a Server in the House?

    I love this - if you have kids, and if you are a geek, you'll understand. http://gizmodo.com/photogallery/microserveces08/1000446145
  • Blog Post: Flash-based harddisks - the new laptop feature to look for

    A review in ComputerWorld features the new Samsung's 64 GB Flash drive: Samsung rates the drive with a read speed of 100MB/sec and write speed of 80 MB/sec, compared to 59MB/sec and 60MB/sec (respectively) for a traditional 2.5" hard drive. We ran several benchmarks. In our HD Tune performance tests...
  • Blog Post: Is my harddisk (almost) dead?

    I just started to play with HD Tune , just to get a tool to look at my S.M.A.R.T. data. Not that I trust SMART a lot, but I wanted to see what's there. So that's how I discovered my main drive has a bunch of reallocated sectors. Ouch! What is a reallocated sector? Whenever a sector becomes "bad"...
  • Blog Post: What causes Harddisk failures?

    A fascinating article in ACM Queue examines the various ways in which a harddisk can fail. Here is an example - the fault tree for reading failures.
  • Blog Post: Toshiba doubles hard-disk density

    Just when we thought that there is no room more room on those little bits on a harddisk, Toshiba doubles their density again: http://www.newswire.ca/en/releases/archive/September2007/06/c5819.html From their press release: Toshiba Corporation today announced a prototype hard disk drive (HDD) that uses...
  • Blog Post: Windows Home Server - links

    A friend of mine didn't know about Windows Home Server - so I sent him these links: - Main site: http://stopdigitalamnesia.com - Interview with Charlie Kindel http://channel9.msdn.com/ShowPost.aspx?PostID=270965 - Download: https://connect.microsoft.com/site/sitehome.aspx?wa=wsignin1.0&siteid=38...
  • Blog Post: Demo: New virtualization technologies in Windows Server (Longhorn)

    A nice demo that shows you several things: - Windows Server virtualization (a separate partition running a striped-down version of Windows to manage all other virtual machines) - Running an 8-proc virtual machine - 64-bit and 32-bit machines running concurrently - Managing virtual machines with System...
  • Blog Post: Previous Versions in Vista - on Channel 9!

    Hot and fresh from Channel 9: a session on Shadow Copies in Vista, and its applications: Previous Versions and the brand-new System Restore. Check it out .
  • Blog Post: The next generation of storage management is here!

    Storage management is complex, we all know it. For many people, even the simplest opeartions in a SAN look like black magic. It's no wonder why - if you want to, say, create a brand new 5 TB file share using your brand new your SAN box: you need to create a new LUN in your SAN, mounting it on a machine...
  • Blog Post: Datacenter in a box

    This is an interesting concept. This datacenter looks like a simple cargo container that can be deployed anywhere. To deploy their cluster, all you need is: 1) A 500 kW electricity source 2) Good network connections. 3) A hose with cooling water 4) A truck to move the container to...
  • Blog Post: The new must-have gadget: Flash laptops

    The entire world is now slowly shifting to Flash-based storage in mobile devices. The latest trend is to get rid of harddisks in your laptop - and you will have longer battery life, faster shutdown/reboot, better shock-resistance. Not to mention that flash memory takes less space than a harddisk. Fujitsu...
  • Blog Post: 12-disk SATA storage box for less than a grand

    ExtremeTech has a review of the Norco DS-1220 eSATA storage box, which can accomodate up to 12 SATA disks. The price is pretty low (on Newegg.com it is $840 without disks). I computed a small table that shows how much it will cost for a simple JBOD configuration. So, for less than $3000 you can get six...
  • Blog Post: Vista RC1 is now done!

    Whew! Time for a beer :-) http://blogs.technet.com/windowsvista/archive/2006/09/01/453491.aspx The new OS runs pretty sweet on my dev box (aside a few bugs that I noticed and which are mostly already fixed in newer builds).
  • Blog Post: WS-Management? Already here in Vista!

    WS-Management is a new web services-based management protocol. It's SOAP-based of course, and it is compatible with the rest of the specifications in the WS-* Web Service stack, like WS-Transfer, WS-Enumeration, WS-Addressing. WS-Management is enabled in Vista (and Longhorn Server) in several ways. On...
  • Blog Post: Bloom filter calculator

    Bloom filters are amazing data structures, perfect to represent sets of numbers in a small bit array. They are very compact, space-efficient, and simple to implement. Maybe one day I will write a post about them (as opposed of writing my memories). Anyway, in the meantime, here is also a handy...
  • Blog Post: New hard drive price war coming

    Seagate, Hitachi and Samsung will compete for more price cuts for harddisks in the near future. The toughest competition seems to be on the low-end, 80 GB harddisk models. So, what do you think the new non-rebate price would be for, say, 160 GB drives? [source: USA Today ]
  • Blog Post: Time Machine: Vista Previous Versions are now making their way into Mac OS X Leopard...

    Mac OS X Leopard incorporates now a previous versions feature called Time Machine - similar with something that we added in Windows Server 2003 a while back, and recently in Windows Vista as well. If you just read the text at http://www.apple.com/macosx/leopard/timemachine.html it looks a lot with...
  • Blog Post: The Previous Versions feature in Vista - an ArsTechnica review

    ArsTechnica noticed our new Previous Versions feature in Vista. Give it a click: http://arstechnica.com/news.ars/post/20060730-7383.html
  • Blog Post: Why Flash memory is good for your computer

    Simply put, flash memory will enable a revolution in improving computer performance in daily utilization scenarios. Your computer will boot up faster. It will launch applications significantly faster. (Hey, it will shutdown faster as well.) The problem To see why we will have this dramatic performance...
  • Blog Post: How to run Defrag on a scheduled basis

    On Windows XP, it's simple. Just run this command and you are done: schtasks /create /TN defrag /RU "NT AUTHORITY\SYSTEM" /SC weekly /TR "defrag %systemdrive%"
  • Blog Post: Boot from iSCSI? It's coming.

    Wonder of wonders. One of the interesting features of SANs in general, and iSCSI in particular, is the ability to boot directly from the exposed logical units (i.e. disks in SAN terminology). You don't need local storage. Why would that be useful? It's good because you don't need local harddisks anymore...
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