Date: Sun, 11 Apr 1999 23:24:17 -0400 (EDT) From: Brian Feldman <green@unixhelp.org> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: Alfred Perlstein <bright@rush.net>, current@FreeBSD.ORG Subject: Re: have live system with NFS client cache problems what do i do? Message-ID: <Pine.BSF.4.05.9904112323420.36814-100000@janus.syracuse.net> In-Reply-To: <199904120231.TAA14835@apollo.backplane.com>
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On Sun, 11 Apr 1999, Matthew Dillon wrote:
> :/usr/obj isn't mounted, i'm just compiling a kernel.
> :
> :no i have no msdos mounted filesystems, i do however have an
> :unmounted win98 partition and a cdrom with joliet extentions mounted
> :however the cdrom only contains mp3s.
> :
> :After doing more data manipulation (copying files around to flush
> :the NFS cache) it seems to reload the data then it finds them ok
> :and tries to link, during the link i get missing references to
> :several symbols, symbol sizes changed etc etc...
> :
> :Just seems like bad data.
> :
> :Now if i just go into the dir on the server and link the kernel
> :it's fine, no problems whatsoever. (compile on local disk)
> :
> :-Alfred
> :
> :PS, i suspect the 3comIII card in the laptop # ep: 3Com 3C509 (buggy)
> :
> :NFS perfomance and stability in 3.1-stable and 4.0 have been surperb lately.
> :one reboot when i was killing a low ram NFS server a few weeks ago and just
> :this today (which could be the NIC) otherwise very impressive.
>
> Ok. This is something to watch, then. The corruption is worrysome. It
> is odd to get this sort of corruption in a client's buffer cache when
> all the file I/O is running over NFS. The real question is : where did
> the corruption come from? The client's IDE drive or something originally
> on the server?
>
> Are there any dos partitions on the server at all? If not, then the
> corruption is occuring on the client. But if the make procedure is not
> accessing (much of) the client's hard drive, where on the client could
> the corruption be coming from?
This has nothing to do with DOS. In case you didn't get my other hint:
{"/home/green"}$ dd if=/dev/zero count=1 2>/dev/null | file -
standard input: MS Windows COFF Unknown CPU
>
> -Matt
> Matthew Dillon
> <dillon@backplane.com>
>
>
>
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