toasters September 2000

toasters@lists.teaparty.net

122 participants
161 discussions

RE: ontap 6.0 only 350 cif-sessions?
by Ulrich Neumann 26 Sep '00

26 Sep '00

would ontap 6.0 not be tested in a highload system? i can't believe it ... thank you for the information ... and the response. newmy -----Original Message----- From: Bagg, Rod [mailto:rod.bagg@netapp.com] Sent: Dienstag, 26. September 2000 01:41 To: 'andrew-m.webster(a)db.com' Cc: 'ulrich.neumann(a)brose.de'; 'toasters(a)mathworks.com' Subject: RE: ontap 6.0 only 350 cif-sessions? We have identified bug 30873 which can impact CIFS performance in ONTAP 6.0 when the number of active CIFS sessions on a filer exceeds 200. Symptoms of the problem can be client session disconnects, hangs or very poor CIFS performance. A 'cifs stat' would typically show the counter named 'Max pBlk Exhaust' to be a very high number - 100,000s or more. We have identified the root cause of this problem and have developed the fix which is currently undergoing QA and load testing. ONTAP release 6.0R1 is tentatively scheduled to be released by the end of this week to resolve this bug. You can view the online bug report on the NOW site at: http://now.netapp.com/NOW/cgi-bin/bugfind.on?bugs=30873&rels= On this same link, you can click on "Bug Watcher" to be automatically notified when the bug fix has been released. Rod Bagg Manager, Sustaining Engineering Network Appliance 408-822-6042 (office) 408-205-9533 (cell) 408-994-2696 (pager) 408-822-4410 (fax) Get answers NOW! - NetApp On the Web http://now.netapp.com > -----Original Message----- > From: Datta, Diptish > Sent: Monday, September 25, 2000 12:19 PM > To: Bagg, Rod > Subject: FW: ontap 6.0 only 350 cif-sessions? > > > From: andrew-m.webster(a)db.com [mailto:andrew-m.webster@db.com] > <mailto:[mailto:andrew-m.webster@db.com]> > Sent: Friday, September 22, 2000 8:17 AM > To: ulrich.neumann(a)brose.de > Cc: toasters(a)mathworks.com > Subject: Re: ontap 6.0 only 350 cif-sessions? > > > > > Greetings from Japan, > > We had much the same issue. If you are seeing the same thing, then the "Max > pBlk Exhaust" from the "cifs stat" goes into the millions. It's normally at 0. > We had to rollback to OnTap 5, which wasn't that easy. > We basically had a full day outage, which for an Investment Bank was a very > bad thing. :-( > Regards > > -- > Andrew Webster > PC, NetApp Filer, TSM > Sanno Move Project > Deutsche Real Estate Consulting Ltd. - Tokyo > Internal (but outside Tokyo): 88 408-7542 > Tel. +81-3-5156-7542 > Fax. +81-3--5156-4811 > Mobile: 0907 184 8958 > > Andrew-M.Webster(a)db.com > > > > ---------------------------------------- Message History > ---------------------------------------- > > From: ulrich.neumann(a)brose.de on 22/09/2000 12:16 PM GMT > > > > To: toasters(a)mathworks.com > cc: > Subject: ontap 6.0 only 350 cif-sessions? > > > > we just upgrated to ontap 6.0 on out clustered f760. unfortunately wehn more > than 350 connection over cifs are established, the filer isn't responding > anymore. the http and nfs-connections word furthermore. only the cifs > connections are lost an d cannot be established. after a reboot the filer > works till around 350 connections. > > any ideas? > > greetings from germany > Brose Fahrzeugteile > Client-Server-Technologien > > > Ulrich Neumann > > >

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RE: F840
by andrew-m.webster＠db.com 26 Sep '00

26 Sep '00

Anyone seen the colour of F840? --- Yuk I'll have to keep the F760es around so I can swap over the front panel. :-) Regards -- Andrew Webster PC, NetApp Filer, TSM Sanno Move Project Deutsche Real Estate Consulting Ltd. - Tokyo Internal (but outside Tokyo): 88 408-7542 Tel. +81-3-5156-7542 Fax. +81-3--5156-4811 Mobile: 0907 184 8958 Andrew-M.Webster(a)db.com ---------------------------------------- Message History ---------------------------------------- From: Graham.Knight(a)netapp.com on 26/09/2000 12:07 AM GMT To: tmerrill(a)mathworks.com; toasters(a)mathworks.com cc: Subject: RE: F840 In order to swap out an F760 to an F840 you will have to boot the new filer off of the 5.3.6H1 floppies after attaching the disk shelves. Make sure that you edit the /etc/rc file first to reflect any changes there might be in the slots that your network interface cards are in, then boot from floppies and run a normal boot. Then just untar the OS and run download. >(Man, that NVRAM battery is *big*!) I recently needed new batteries for my camper. Being the person that I am I found myself doing an in depth study of the available deep cycle batteries on the market and after an arduous process I purchased "Power Sonic" batteries. I was quite happy to see that the fine folks in engineering also settled on a "Power Sonic" battery for the new F840, albeit a much smaller one than what is in my camper. I guess great minds truly do think alike ;-) Graham -----Original Message----- From: Todd C. Merrill [mailto:tmerrill@mathworks.com] Sent: Monday, September 25, 2000 5:39 PM To: toasters(a)mathworks.com Subject: Re: F840 Okay, so it appears as if the F840 runs ONTAP 5.3.6H1, and the "Start Here" documentation says (p. 10) that "This release runs only on F840 filers." Hmmm... Hmmmm.... Uh-oh. There is no common release that will run on the F760's I already have, so I can test how things go there first before putting this champagne beauty through its paces? Plus, it's not clear (and I think I know the answer to this) how one might take the root volume on a shelf/shelves from an F760 to an F840. If I can't install 5.3.6H1 on an F760.... And, I assume the alpha boot code on my existing F760's won't boot the new F840's... Answer: Catch-22! That puts me into a pickle. "I don't want a pickle; I just wanna ride on my motorsickle..." I'm gonna continue digging through NOW and the docs, but if anyone can respond to me before I give a call into our VAR or NetApp support tomorrow... <help> (Man, that NVRAM battery is *big*!) Until next time... The Mathworks, Inc. 508-647-7000 x7792 3 Apple Hill Drive, Natick, MA 01760-2098 508-647-7001 FAX tmerrill(a)mathworks.com http://www.mathworks.com ---

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HP SureStore DLT Autoloader 818 LVDS, 8x80GB
by Uros Lampret 26 Sep '00

26 Sep '00

Hi! Can I attach HP SureStore DLT Autoloader 818 LVDS, 8x80GB to a filer - onboard SCSI? _____________________________ Uros Lampret _____________________________

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RE: F840
by White, Lance 26 Sep '00

26 Sep '00

Edit /etc/rc to match 840 slot configuration. Swap heads. Boot to 5.3.6H1 floppies. Select normal boot. Install 5.3.6H1 as normal (tar or exe) Download etc. Shouldn't take more than 20 minutes. -----Original Message----- From: Todd C. Merrill [mailto:tmerrill@mathworks.com] Sent: Monday, September 25, 2000 4:39 PM To: toasters(a)mathworks.com Subject: Re: F840 Okay, so it appears as if the F840 runs ONTAP 5.3.6H1, and the "Start Here" documentation says (p. 10) that "This release runs only on F840 filers." Hmmm... Hmmmm.... Uh-oh. There is no common release that will run on the F760's I already have, so I can test how things go there first before putting this champagne beauty through its paces? Plus, it's not clear (and I think I know the answer to this) how one might take the root volume on a shelf/shelves from an F760 to an F840. If I can't install 5.3.6H1 on an F760.... And, I assume the alpha boot code on my existing F760's won't boot the new F840's... Answer: Catch-22! That puts me into a pickle. "I don't want a pickle; I just wanna ride on my motorsickle..." I'm gonna continue digging through NOW and the docs, but if anyone can respond to me before I give a call into our VAR or NetApp support tomorrow... <help> (Man, that NVRAM battery is *big*!) Until next time... The Mathworks, Inc. 508-647-7000 x7792 3 Apple Hill Drive, Natick, MA 01760-2098 508-647-7001 FAX tmerrill(a)mathworks.com http://www.mathworks.com ---

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RE: F840
by Knight, Graham 26 Sep '00

26 Sep '00

In order to swap out an F760 to an F840 you will have to boot the new filer off of the 5.3.6H1 floppies after attaching the disk shelves. Make sure that you edit the /etc/rc file first to reflect any changes there might be in the slots that your network interface cards are in, then boot from floppies and run a normal boot. Then just untar the OS and run download. >(Man, that NVRAM battery is *big*!) I recently needed new batteries for my camper. Being the person that I am I found myself doing an in depth study of the available deep cycle batteries on the market and after an arduous process I purchased "Power Sonic" batteries. I was quite happy to see that the fine folks in engineering also settled on a "Power Sonic" battery for the new F840, albeit a much smaller one than what is in my camper. I guess great minds truly do think alike ;-) Graham -----Original Message----- From: Todd C. Merrill [mailto:tmerrill@mathworks.com] Sent: Monday, September 25, 2000 5:39 PM To: toasters(a)mathworks.com Subject: Re: F840 Okay, so it appears as if the F840 runs ONTAP 5.3.6H1, and the "Start Here" documentation says (p. 10) that "This release runs only on F840 filers." Hmmm... Hmmmm.... Uh-oh. There is no common release that will run on the F760's I already have, so I can test how things go there first before putting this champagne beauty through its paces? Plus, it's not clear (and I think I know the answer to this) how one might take the root volume on a shelf/shelves from an F760 to an F840. If I can't install 5.3.6H1 on an F760.... And, I assume the alpha boot code on my existing F760's won't boot the new F840's... Answer: Catch-22! That puts me into a pickle. "I don't want a pickle; I just wanna ride on my motorsickle..." I'm gonna continue digging through NOW and the docs, but if anyone can respond to me before I give a call into our VAR or NetApp support tomorrow... <help> (Man, that NVRAM battery is *big*!) Until next time... The Mathworks, Inc. 508-647-7000 x7792 3 Apple Hill Drive, Natick, MA 01760-2098 508-647-7001 FAX tmerrill(a)mathworks.com http://www.mathworks.com ---

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RE: ontap 6.0 only 350 cif-sessions?
by Bagg, Rod 26 Sep '00

26 Sep '00

We have identified bug 30873 which can impact CIFS performance in ONTAP 6.0 when the number of active CIFS sessions on a filer exceeds 200. Symptoms of the problem can be client session disconnects, hangs or very poor CIFS performance. A 'cifs stat' would typically show the counter named 'Max pBlk Exhaust' to be a very high number - 100,000s or more. We have identified the root cause of this problem and have developed the fix which is currently undergoing QA and load testing. ONTAP release 6.0R1 is tentatively scheduled to be released by the end of this week to resolve this bug. You can view the online bug report on the NOW site at: http://now.netapp.com/NOW/cgi-bin/bugfind.on?bugs=30873&rels= On this same link, you can click on "Bug Watcher" to be automatically notified when the bug fix has been released. Rod Bagg Manager, Sustaining Engineering Network Appliance 408-822-6042 (office) 408-205-9533 (cell) 408-994-2696 (pager) 408-822-4410 (fax) Get answers NOW! - NetApp On the Web http://now.netapp.com > -----Original Message----- > From: Datta, Diptish > Sent: Monday, September 25, 2000 12:19 PM > To: Bagg, Rod > Subject: FW: ontap 6.0 only 350 cif-sessions? > > > From: andrew-m.webster(a)db.com [mailto:andrew-m.webster@db.com] > <mailto:[mailto:andrew-m.webster@db.com]> > Sent: Friday, September 22, 2000 8:17 AM > To: ulrich.neumann(a)brose.de > Cc: toasters(a)mathworks.com > Subject: Re: ontap 6.0 only 350 cif-sessions? > > > > > Greetings from Japan, > > We had much the same issue. If you are seeing the same thing, then the "Max > pBlk Exhaust" from the "cifs stat" goes into the millions. It's normally at 0. > We had to rollback to OnTap 5, which wasn't that easy. > We basically had a full day outage, which for an Investment Bank was a very > bad thing. :-( > Regards > > -- > Andrew Webster > PC, NetApp Filer, TSM > Sanno Move Project > Deutsche Real Estate Consulting Ltd. - Tokyo > Internal (but outside Tokyo): 88 408-7542 > Tel. +81-3-5156-7542 > Fax. +81-3--5156-4811 > Mobile: 0907 184 8958 > > Andrew-M.Webster(a)db.com > > > > ---------------------------------------- Message History > ---------------------------------------- > > From: ulrich.neumann(a)brose.de on 22/09/2000 12:16 PM GMT > > > > To: toasters(a)mathworks.com > cc: > Subject: ontap 6.0 only 350 cif-sessions? > > > > we just upgrated to ontap 6.0 on out clustered f760. unfortunately wehn more > than 350 connection over cifs are established, the filer isn't responding > anymore. the http and nfs-connections word furthermore. only the cifs > connections are lost an d cannot be established. after a reboot the filer > works till around 350 connections. > > any ideas? > > greetings from germany > Brose Fahrzeugteile > Client-Server-Technologien > > > Ulrich Neumann > > >

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F840
by Jeff Stampes 26 Sep '00

26 Sep '00

Okay, now that the press release is out, and we all know the technical specs of the 840, what I want to know is: Who's using one? Is the throughput as good as the specs show? C'mon, spill it. We've got one on order, and will put it through it's paces as soon as we get it. We use it specifically for multi-client compilation of our software. I through around 20 Solaris systems (mmostly Ultra80's and Ultra60's), a dozen or so HPC3000 systems and a dozen or so NT boxes at it to compile all three platforms we support, and we currently are stressing out our 760. I'll let y'all know what i find. -Jeff

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ontap 6.0 only 350 cif-sessions?
by Ulrich Neumann 25 Sep '00

25 Sep '00

we just upgrated to ontap 6.0 on out clustered f760. unfortunately wehn more than 350 connection over cifs are established, the filer isn't responding anymore. the http and nfs-connections word furthermore. only the cifs connections are lost an d cannot be established. after a reboot the filer works till around 350 connections. any ideas? greetings from germany Brose Fahrzeugteile Client-Server-Technologien Ulrich Neumann

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RE: Presenting Netapp as a location disk
by Ulrich Neumann 25 Sep '00

25 Sep '00

i don't see any benefit for doing it this way. you can use a seperate gigabit-connection from nt-box to the toaster. then use the "net use" command or say to frontpage to use "\\toaster\inetpub". so you have near the performance of a san and the toaster as your storage. new -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com]On Behalf Of Mark D Simmons Sent: Montag, 25. September 2000 00:43 To: Richard Cc: toasters(a)mathworks.com Subject: Re: Presenting Netapp as a location disk On Wed, Sep 20, 2000 at 01:35:13PM +0100, Richard wrote: > I know this is not really, a question that applies just to Netapp's but at the moment > I am looking at a SAN that allows the shared remote disk array to be seen by a NT > system as if it is a local disk drive (this helps make frontpage happy). And I am trying > to find a way to do this with a Netapp as a remote filestore, surly someone has written > a NTFS filesystem driver for NT that reads from a network drive, but presents itself as > a local drive? If a SAN can offer this it must be possible? I've informally mentioned that the same thing would be very nice on Unix too, both in the distant, and recent past. Currently I manage no filers so I cannot really RFE this. As a concept it's in serious conflict with the appliance philosphy. However, I think the benefits to some users might even justify their stumping up cash separately to buy it.. -- -Mark ... an Englishman in Derby ...

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Presenting Netapp as a location disk
by Richard 24 Sep '00

24 Sep '00

I know this is not really, a question that applies just to Netapp's but at the moment I am looking at a SAN that allows the shared remote disk array to be seen by a NT system as if it is a local disk drive (this helps make frontpage happy). And I am trying to find a way to do this with a Netapp as a remote filestore, surly someone has written a NTFS filesystem driver for NT that reads from a network drive, but presents itself as a local drive? If a SAN can offer this it must be possible? Richard richard(a)gits.co.uk

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toasters September 2000