Date: Wed, 3 Sep 2003 11:20:47 -0700 From: Brooks Davis <brooks@one-eyed-alien.net> To: Max Clark <max.clark@media.net> Cc: Petri Helenius <pete@he.iki.fi> Subject: Re: 20TB Storage System (fsck????) Message-ID: <20030903182046.GA6161@Odin.AC.HMC.Edu> In-Reply-To: <ILENIMHFIPIBHJLCDEHKOECFDDAA.max.clark@media.net> References: <3F56210E.7010206@he.iki.fi> <ILENIMHFIPIBHJLCDEHKOECFDDAA.max.clark@media.net>
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[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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