Re: 20TB Storage System (fsck????)

From: Brooks Davis (brooks_at_one-eyed-alien.net)
Date: 09/03/03

  • Next message: Petri Helenius: "Re: 20TB Storage System"
    Date: Wed, 3 Sep 2003 11:20:47 -0700
    To: Max Clark <max.clark@media.net>
    
    

    [Please, please, please fix your mailer to quote properly. It's very
    difficult to read your messages.]

    On Wed, Sep 03, 2003 at 11:08:28AM -0700, Max Clark wrote:
    > Ohh, that's an interesting snag. I was under the impression that 5.x w/ PAE
    > could address more than 4GB of Ram.
    >
    > - The PAE support allows FreeBSD machines to make use of more than 4
    > gigabytes of RAM. This functionality was originally written by Jake
    > Burkholder under contract with DARPA and Network Associates Laboratories.
    > Additional changes for individual device drivers will follow in the coming
    > weeks.
    >
    > If fsck requires 700K for each 1GB of Disk, we are talking about 7GB of Ram
    > for 10TB of disk. Is this correct? Will PAE not function correctly to give
    > me 8GB of Ram? To check 10TB of disk?

    PAE increases the amount of RAM available, but does nothing to increase
    the address space so a given process may not address more then 2GB of
    RAM.

    -- Brooks

    -- 
    Any statement of the form "X is the one, true Y" is FALSE.
    PGP fingerprint 655D 519C 26A7 82E7 2529  9BF0 5D8E 8BE9 F238 1AD4
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  • Next message: Petri Helenius: "Re: 20TB Storage System"

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