Date: Fri, 7 Jun 1996 17:33:42 -0500 (CDT) From: Rob Snow <rsnow@lgc.com> To: Steve Khoo <steve@gordian.com> Cc: freebsd-hackers@freebsd.org Subject: Re: NFS problem: Irix 5.2 server, 2.2-960501-SNAP client Message-ID: <Pine.SGI.3.93.960607172725.4450A-100000@dympna> In-Reply-To: <199606071932.MAA08925@delphi.gordian.com>
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On Fri, 7 Jun 1996, Steve Khoo wrote: [SNIP] > > Thanks for the all responses and suggestions... It looks like the > problem is related to diskstriping on the Irix 5.2. We've been > playing around with diskstriping on the sgi to improve performance. I > truned off diskstriping and rebooted the sgi lastnight and all seems > to be fine now. I supposed it is possible that the sgi was somehow > hosed and rebooting fixed it. However, this is unlikely because nfs > mounts to other systems were still working; I did umount and mount on > sunos and hp machines to the sgi and worked without a problem. I'll > have to test it again with striping truned ON on the sgi later, just > to double check; Since this sgi is a production unit, I can't be > rebooting it too many times. Just checking it on my Indigo2 - Irix 6.2 and mounted an xfs partition with no problem. I've seen problems with Irix and mounting other filesystems, usually solved by -o vers=2 to force v2 instead of v3. > Anyway, we are pretty impressed with this P6 unit so far. We did some > benchmarking with a realworld example(we use a gcc cross-compiler for > embeded mips system and built one of our source tree), and here are > the resuls: > > SGI 21 mins > P6(NFS) 16 mins > P6(local) 7 mins Good looking numbers! > > The source tree is on the SGI server. P6(NFS) is the compile time for > the P6 with the source tree mounted via NFS from the SGI. P6(local) > is with the source tree copied over to a local disk on P6. > > System specs: > > SGI Challenge S server (Irix 5.2) > 150 Mhz R4600 MIPS Processor > 160MB RAM > Fast Wide Differential SCSI Controller > Seagate Barracuda FWD SCSI drives: 2's and 4's > 10BaseT NIC Is this a PC (Primary cache only) or SC (L2 cache added)? > > P6 (FreeBSD 2.2-960501-SNAP, kernel rebuilt without FAILSAFE option > and all the other unnecessary drivers) > Intel Pentium Pro 200 Mhz CPU > 64M EDO RAM > Asus P/I-P6RP4, Orion chipset stepping B0 motherboard > NCR Fast Wide Differential SCSI Controller > 4G Seagate Barracuda FWD SCSI drive > SMC 9332DST 10/100BaseT DC2114 based NIC > ---------------------------------------------------------------------- > Steve E. Khoo Gordian > Systems Manager 20361 Irvine Ave > Internet: steve@gordian.com Santa Ana Heights, CA 92707 > Phone: (714)850-0205 FAX: (714)850-0533 > ---------------------------------------------------------------------- -- Rob Snow Sr. Systems Administrator Landmark Graphics Corporation
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