Re: vfs.hirunningspace on a 3ware 8506

From: Petri Helenius (pete_at_he.iki.fi)
Date: 04/20/04

  • Next message: Uwe Doering: "Re: How does disk caching work?"
    Date: Tue, 20 Apr 2004 23:22:54 +0300
    To: "Jim C. Nasby" <jim@nasby.net>
    
    

    Jim C. Nasby wrote:

    >Has anyone done any testing to see what value of vfs.hirunningspace is
    >optimal for a 3ware 8506-8?
    >
    >
    Do the 3ware controllers actually care about this value due to the
    onboard processing and cache? I thought all writes are satisfied
    immediately?

    Pete

    _______________________________________________
    freebsd-performance@freebsd.org mailing list
    http://lists.freebsd.org/mailman/listinfo/freebsd-performance
    To unsubscribe, send any mail to "freebsd-performance-unsubscribe@freebsd.org"


  • Next message: Uwe Doering: "Re: How does disk caching work?"

    Relevant Pages

    • Re: Erasing File Data
      ... shred doesn't care for journaling file systems. ... when there is already a zero in its internal cache. ... that it's intelligent enough not to write another zero in that case. ...
      (alt.computer.security)
    • HP SmartArray 6404 RAID controller cache size?
      ... only one channel how much cache do I get for this one channel? ... HP's documents clearly state that 6404 is actually two 2-channel controllers sharing one PCI-X connector. ... This makes me think that one controller has 128 MB of cache and so if I use only one channel I get only 128 MB of cache. ... HP Smart Array 6400 Series Controller Support Guide ...
      (comp.sys.ibm.pc.hardware.storage)
    • Re: HP SmartArray 6404 RAID controller cache size?
      ... only one channel how much cache do I get for this one channel? ... 2-channel controllers sharing one PCI-X connector. ... controllers seem to have a large heatsink indicating that they have ...
      (comp.sys.ibm.pc.hardware.storage)
    • Re: Where to Cache "per user" Data That Can Get Updated By Admins
      ... "Patrice" wrote: ... > care of reloading those data in the cache. ... > you'll have just to expire the cache and the user control flow will take ...
      (microsoft.public.dotnet.framework.aspnet)
    • Re: Mip-o-suction (horrible performance)
      ... It is the difference between the 2.4 auto-optimizations and the 2.6 ... And it is not really the "controller's cache" as most ... IDE controllers don't have much IF ANY onboard cache. ... if that parameter is changed during a disk ...
      (Debian-User)