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Schedule demigrator RRS feed

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    I use my WHS mainly for watching movies.  I've noticed several times my movies start to studder and I finally logged into WHS to see what was happening when the studdering was taking place.  I never noticed this before, but demigrator was running and all of my disks showed activity.

    Not sure if it was on demand, but I believe it occured at 12:00 AM on the button.  Can I schedule this for a later time?  Let's say 4:00 AM?
    Pirooz Javan
    Monday, February 22, 2010 5:45 AM

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    I use my WHS mainly for watching movies.  I've noticed several times my movies start to studder and I finally logged into WHS to see what was happening when the studdering was taking place.  I never noticed this before, but demigrator was running and all of my disks showed activity.

    Not sure if it was on demand, but I believe it occured at 12:00 AM on the button.  Can I schedule this for a later time?  Let's say 4:00 AM?
    Pirooz Javan
    DEMigrator.exe is Drive Extender and runs every hour (not necessarily at the top of every hour though).  That is the program used to handle the magic of the storage pool and should not be scheduled (not to mention it would require logging into the server which is unsupported anyway).

    However, if your problem is at 12:00 AM every night, that's probably the nightly chkdsk pass, not DEMigrator.  Have you tried running chkdsk /r on each drive in your server?  (See the FAQ post:  How to check all the drives in your server for errors for details on how to do that.)
    Monday, February 22, 2010 6:14 AM
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    I use my WHS mainly for watching movies.  I've noticed several times my movies start to studder and I finally logged into WHS to see what was happening when the studdering was taking place.  I never noticed this before, but demigrator was running and all of my disks showed activity.

    Not sure if it was on demand, but I believe it occured at 12:00 AM on the button.  Can I schedule this for a later time?  Let's say 4:00 AM?
    Pirooz Javan
    DEMigrator.exe is Drive Extender and runs every hour (not necessarily at the top of every hour though).  That is the program used to handle the magic of the storage pool and should not be scheduled (not to mention it would require logging into the server which is unsupported anyway).

    However, if your problem is at 12:00 AM every night, that's probably the nightly chkdsk pass, not DEMigrator.  Have you tried running chkdsk /r on each drive in your server?  (See the FAQ post:  How to check all the drives in your server for errors for details on how to do that.)
    Monday, February 22, 2010 6:14 AM
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    You are right.  When looking at the running processes when the issue was occurring, chkdsk was also running.  Do you know of a way I can schedule that to occur later?
    Pirooz Javan
    Monday, February 22, 2010 6:47 PM
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    You can't. Microsoft made that decision for you; it's part of the standard system health check which Windows Home Server does every night.
    I'm not on the WHS team, I just post a lot. :)
    Monday, February 22, 2010 6:49 PM
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    Thanks Ken.

    This is bad on so many levels....It pretty much guarantees that every time I watch a movie, it will get messed up at 12:00 AM.  Booooooo!!!

    I'm gonna dig in and see if there is some registry hack I can do to change this. 
    Pirooz Javan
    Monday, February 22, 2010 8:11 PM
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    You should try ThreadMaster. It is a freeware service which is able to regulate how much cpu applications are allowed to use.

    it works very well, i use it on my whs and we use it at my company too (on terminal servers).

    I left pretty much everything on standard (applications are allowed to use unlimited cpu for 30s and than are regulated down to 15%).

    Additionally i set it should allow demigrator.exe to have up to 25% cpu.

     

    You can download it for free from here:

    http://threadmaster.tripod.com/

     

    Hope this helps you.

     

    Thursday, April 8, 2010 7:15 PM