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Re: Troubleshooting High NFS OPS
by Thorsten.Lemke＠computacenter.com 12 Jun '03

12 Jun '03

When you use nfsstat -l you will get a list of clients that shows you which of them do the highest percentage of nfsops on your filer. Thorsten drew.odonnell@americas.bnpparibas.com@mathworks.com on 10.06.2003 17:45:04 Sent by: owner-toasters(a)mathworks.com To: toasters(a)mathworks.com cc: Subject: Troubleshooting High NFS OPS -------------------------------------------------------------------------- We are experiencing high NFS ops, I am trying to find out who the high offenders are, however I am not sure if there is a better or more conclusive way. Basically: I am doing the following nfs.per_client_stats.enable on nfsstat -z nfsstat -h nfs.per_client_stats.enable off At the end of the mail I have attached a copy of the results of the nfsstat -h command (for 1 system). I just look for which systems have the highest percentage of reads and writes. My question is how do determine who the main users are based on the results of this command? Also is there a better way to do this? Are there other commands? Drew Client: 10.110.10.1 (sys1) ------------------------------------ Server rpc: TCP: calls badcalls nullrecv badlen xdrcall 0 0 0 0 0 UDP: calls badcalls nullrecv badlen xdrcall 3167 0 0 0 0 Server nfs: calls badcalls 3167 0 Server nfs V2: null getattr setattr root lookup readlink read 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% wrcache write create remove rename link symlink 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% mkdir rmdir readdir statfs 0 0% 0 0% 0 0% 0 0% Read request stats (version 2) 0-511 512-1023 1K-2047 2K-4095 4K-8191 8K-16383 16K-32767 32K-65535 64K-131071 0 0 0 0 0 0 0 0 0 Write request stats (version 2) 0-511 512-1023 1K-2047 2K-4095 4K-8191 8K-16383 16K-32767 32K-65535 64K-131071 0 0 0 0 0 0 0 0 0 Server nfs V3: null getattr setattr lookup access readlink read 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 736 23% write create mkdir symlink mknod remove rmdir 2431 77% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% rename link readdir readdir+ fsstat fsinfo pathconf 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% commit 0 0% Read request stats (version 3) 0-511 512-1023 1K-2047 2K-4095 4K-8191 8K-16383 16K-32767 32K-65535 64K-131071 0 0 0 0 736 0 0 0 0 Write request stats (version 3) 0-511 512-1023 1K-2047 2K-4095 4K-8191 8K-16383 16K-32767 32K-65535 64K-131071 0 0 0 0 2431 0 0 0 0 This message and any attachments (the "message") is intended solely for the addressees and is confidential. If you receive this message in error, please delete it and immediately notify the sender. Any use not in accord with its purpose, any dissemination or disclosure, either whole or partial, is prohibited except formal approval. The internet can not guarantee the integrity of this message. BNP PARIBAS (and its subsidiaries) shall (will) not therefore be liable for the message if modified. --------------------------------------------- Ce message et toutes les pieces jointes (ci-apres le "message") sont etablis a l'intention exclusive de ses destinataires et sont confidentiels. Si vous recevez ce message par erreur, merci de le detruire et d'en avertir immediatement l'expediteur. Toute utilisation de ce message non conforme a sa destination, toute diffusion ou toute publication, totale ou partielle, est interdite, sauf autorisation expresse. L'internet ne permettant pas d'assurer l'integrite de ce message, BNP PARIBAS (et ses filiales) decline(nt) toute responsabilite au titre de ce message, dans l'hypothese ou il aurait ete modifie.

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RE: How much storage on a 540? (fwd)
by Stephen C Woods 11 Jun '03

11 Jun '03

Netapp states clearly that a 540 can't even USE a FCAL. None the less it works, and works well. That config info was all set up in the days of 18 GB and smaller disks. What I'm looking for is real world data. >Check out: > >http://now.netapp.com/NOW/knowledge/docs/hardware/NetApp/syscfg/ > > >>-----Original Message----- >>From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] >>On Behalf Of Stephen C Woods >>Sent: Wednesday, June 11, 2003 2:48 PM >>To: Toasters mailing list >>Subject: How much storage on a 540? >> >> We have a 540 with 5.3.7R3. Does anyone know the real limit on the >>max storage we can put on it, currently we have a shelf of 4 GB disks >>(/vol0) and an FCAL shelf of 36 GB disks (241 GB) /vol1 I know the >>physical limit of FCAL is 8 shelves/loop but how many can be used >>effectivly. >> >> A few years ago we set up a 220 with extra SCSI controllers and MANY >>shelves. It turned out that you could add disks to a running system >>and fill many more shelves that the machine was supposed to hold, >>However when you rebooted... (paraphrased). >>Sorry, too many disks... >>Oh sorry your volume is missing too many disks bye bye... >> >> So has anyone there put 2? 3? more FCAL shelves on a 540? ----- Stephen C. Woods; UCLA SEASnet; 2567 Boelter hall; LA CA 90095; (310)-825-8614 Unless otherwise noted these statements are my own, Not those of the University of California. Internet mail:scw@seas.ucla.edu

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How much storage on a 540?
by Stephen C Woods 11 Jun '03

11 Jun '03

We have a 540 with 5.3.7R3. Does anyone know the real limit on the max storage we can put on it, currently we have a shelf of 4 GB disks (/vol0) and an FCAL shelf of 36 GB disks (241 GB) /vol1 I know the physical limit of FCAL is 8 shelves/loop but how many can be used effectivly. A few years ago we set up a 220 with extra SCSI controllers and MANY shelves. It turned out that you could add disks to a running system and fill many more shelves that the machine was supposed to hold, However when you rebooted... (paraphrased). Sorry, too many disks... Oh sorry your volume is missing too many disks bye bye... So has anyone there put 2? 3? more FCAL shelves on a 540? ----- Stephen C. Woods; UCLA SEASnet; 2567 Boelter hall; LA CA 90095; (310)-825-8614 Unless otherwise noted these statements are my own, Not those of the University of California. Internet mail:scw@seas.ucla.edu

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RE: snmp qtree index
by Carl Friend 11 Jun '03

11 Jun '03

David Le Blanc writes: > I have UCD-SNMP (now known as Net-SNMP) running as a NMS > (snmptrapd, trap recv). > The daemon is configured to run a custom script (which I > wrote) every time a trap is received. The script handles > all kinds of events (UPS, AuthFail, and Filer). I run a similar setup at my PPOE. > The daemon (part of Net-SNMP), and the script (written in > Perl) are "free", as in "free beer". ...and that's a "good thing". > I also have some nifty polling goin' on with a polling script > (again, which I wrote in Perl) which queries the filer, stores > the data in RRDs and graphs the data... I do that too. Unfortunately, with ONTAP 6.3.2 the order in which the variables are placed into the MIB tables changed from the way it worked in 6.1. In 6.1, volumes showed up in the order in which they were created; in 6.3 (and, I'm assuming, onward) the order is based on the order in which the disks in each volume are detected at boot-time. This, of course, made a real mess of my nice long-term data in the RRDs. Has anyone come up with a way to clear that "mess" up? It's a special nuisance when one is trying to manage and gather data from multiple filers.... +----------------------------------------------+-----------------------+ | Carl Richard Friend (UNIX Sysadmin) | Natick, Massachusetts | | Minicomputer Collector / Enthusiast | 01760-2098 | | mailto:carl_friend@mathworks.com +-----------------------+ | http://users.rcn.com/crfriend/museum | ICBM: 42:18N 71:21W | +----------------------------------------------+-----------------------+

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snmp qtree index
by George Kahler 10 Jun '03

10 Jun '03

Hi, I'm setting up monitoring of a qtree space usage via snmp. To do this I had to find out what the OID is that represents this qtree. Does anyone have any suggestions on easily getting this information short of doing an snmwalk and actually looking for it in the output ??? I thought that the qtree ID number would correlate with the snmp index for the qrKBytesUsed, qrFilesUsed and rPathName. But it does not. From the 'quota report' output it lists my qtree as ID #1 K-Bytes Files Type ID Volume Tree Used Limit Used Limit Quota Specifier ----- -------- -------- -------- -------- -------- ------- ------- --------------- tree 1 auto2 cns-spool-mail 66340484 104857600 9655 - /vol/auto2/cns-spool-mail From the 'qtree' output the qtree is #5 Volume Tree Style Oplocks Status -------- -------- ----- -------- --------- auto2 unix enabled normal auto2 cns-mailsrv unix enabled normal auto2 cns-perweb unix enabled normal auto2 cns-roaming unix enabled normal --> auto2 cns-spool-mail unix enabled normal And looking thru the 'snmpwalk' output it looks like it is #5 enterprises.netapp.netapp1.quota.qrTable.qrEntry.qrKBytesUsed.5 = 66313508 enterprises.netapp.netapp1.quota.qrTable.qrEntry.qrKBytesLimit.5 = 104857600 enterprises.netapp.netapp1.quota.qrTable.qrEntry.qrFilesUsed.5 = 9667 enterprises.netapp.netapp1.quota.qrTable.qrEntry.qrFileLimit.5 = -1 enterprises.netapp.netapp1.quota.qrTable.qrEntry.qrPathName.5 = "/vol/auto2/cns-spool-mail" enterprises.netapp.netapp1.quota.qrVTable.qrVEntry.qrVIndex.1.5 = 5 enterprises.netapp.netapp1.quota.qrVTable.qrVEntry.qrVType.1.5 = qrVTypeTree(3) So it looks like the #5 entry wins ?! Thanks, George ------------------------------------------------------------------------------- George Kahler e-mail: george(a)yorku.ca Sr. Systems Administrator humans: (416) 736-2100 x.22699 Computing and Network Services machines: (416) 736-5830 Ontario, Canada, M3J-1P3

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RE: snmp qtree index
by Thompson, Tim 10 Jun '03

10 Jun '03

> > The Filer sends traps such as > > "Soft block limit exceeded for user 3325, tree 1 on volume > > students." > > but there doesn't seem to be any correlation/pattern as to what "tree > > 1" is, exactly. > What software do you use to receive such traps? 1) The "qtree status" command in ONTAP 6.4 has a -i option that will show you the tree ids for the qtrees. 2) In the NOW site, in the Tools&Utilities section, you can find a "trap listener" application specifically written to support the better quota traps in ONTAP 6.4, and do things like send email alerts. Look for "Trapnotify" on the Tools&Utilities page. ...Tim...

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Troubleshooting High NFS OPS
by drew.odonnell＠americas.bnpparibas.com 10 Jun '03

10 Jun '03

We are experiencing high NFS ops, I am trying to find out who the high offenders are, however I am not sure if there is a better or more conclusive way. Basically: I am doing the following nfs.per_client_stats.enable on nfsstat -z nfsstat -h nfs.per_client_stats.enable off At the end of the mail I have attached a copy of the results of the nfsstat -h command (for 1 system). I just look for which systems have the highest percentage of reads and writes. My question is how do determine who the main users are based on the results of this command? Also is there a better way to do this? Are there other commands? Drew Client: 10.110.10.1 (sys1) ------------------------------------ Server rpc: TCP: calls badcalls nullrecv badlen xdrcall 0 0 0 0 0 UDP: calls badcalls nullrecv badlen xdrcall 3167 0 0 0 0 Server nfs: calls badcalls 3167 0 Server nfs V2: null getattr setattr root lookup readlink read 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% wrcache write create remove rename link symlink 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% mkdir rmdir readdir statfs 0 0% 0 0% 0 0% 0 0% Read request stats (version 2) 0-511 512-1023 1K-2047 2K-4095 4K-8191 8K-16383 16K-32767 32K-65535 64K-131071 0 0 0 0 0 0 0 0 0 Write request stats (version 2) 0-511 512-1023 1K-2047 2K-4095 4K-8191 8K-16383 16K-32767 32K-65535 64K-131071 0 0 0 0 0 0 0 0 0 Server nfs V3: null getattr setattr lookup access readlink read 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 736 23% write create mkdir symlink mknod remove rmdir 2431 77% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% rename link readdir readdir+ fsstat fsinfo pathconf 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% commit 0 0% Read request stats (version 3) 0-511 512-1023 1K-2047 2K-4095 4K-8191 8K-16383 16K-32767 32K-65535 64K-131071 0 0 0 0 736 0 0 0 0 Write request stats (version 3) 0-511 512-1023 1K-2047 2K-4095 4K-8191 8K-16383 16K-32767 32K-65535 64K-131071 0 0 0 0 2431 0 0 0 0 This message and any attachments (the "message") is intended solely for the addressees and is confidential. If you receive this message in error, please delete it and immediately notify the sender. Any use not in accord with its purpose, any dissemination or disclosure, either whole or partial, is prohibited except formal approval. The internet can not guarantee the integrity of this message. BNP PARIBAS (and its subsidiaries) shall (will) not therefore be liable for the message if modified. --------------------------------------------- Ce message et toutes les pieces jointes (ci-apres le "message") sont etablis a l'intention exclusive de ses destinataires et sont confidentiels. Si vous recevez ce message par erreur, merci de le detruire et d'en avertir immediatement l'expediteur. Toute utilisation de ce message non conforme a sa destination, toute diffusion ou toute publication, totale ou partielle, est interdite, sauf autorisation expresse. L'internet ne permettant pas d'assurer l'integrite de ce message, BNP PARIBAS (et ses filiales) decline(nt) toute responsabilite au titre de ce message, dans l'hypothese ou il aurait ete modifie.

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RE: MRTG and Filers
by Manny Ortega 10 Jun '03

10 Jun '03

I haven't done much, but I managed to do this: http://redhook.univ-wea.com/mrtg/pike.htm Look at the netapp.mib and traps.dat in your etc folder for some ideas... -MannyO -----Original Message----- From: Kumar, Rahul [mailto:rahul.kumar@eds.com] Sent: Monday, June 09, 2003 10:56 PM To: toasters(a)mathworks.com Subject: MRTG and Filers Hi , Has anybody tweaked the mrtg for filers to include per client stats for CIFS and NFS activity. I am running basic, mrtg available from netapp site on a sun box. Regards Rahul

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BUSINESS PROPOSAL
by KATURA BANGA 10 Jun '03

10 Jun '03

Dear Friend, Difficulties encountered in efforts to establish a business abroad necessitate this search for someone to assist me in securing and investing the sum of USD21,000.000 (twenty one million dollars)inherited from my father's business reserve. I am the heir of a Zimbabwean family; my father was an agriculturist. He became rich from his old-aged investment in agriculture and later was victimized by President Robert Mugabe's land reform policy. He was assassinated by unknown gunmen for defending his land ownership and siding the minority white farmers. Before his death, my father foresaw the insecurity of both our lives and property then decided to deposit the above sum with a private finance and security firm in Europe. This money has become the only inherited property of our family since our home was burnt,and the farmlands and machines seized; yet the government and it's loyalists are bent on making life difficult for us. To summarise this traumatic story, my mother and I have decided to offer 15% of the above sum to anyone who assists us to secure this funds overseas or 25% share for possible help on investing in any reliable venture. there are however some minimal cost involved in securing the release of this deposit from the present holding company.i do not intend to overburden you with these cost.but you must know beforehand that we will be sharing whatever cost involved in retrieving this deposit and putting it to beneficial use. if you would want to proceed under these terms,please reply for detailed information. if you do not accept my offer,please in good fate treat with utmost confidentiality . A quick reply with your name,telephone and fax numbers for more confidential communication will be highly appreciated. Sincerely yours, KATURA BANGA

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NFS/snapshot activity log
by Brian Tao 10 Jun '03

10 Jun '03

What do people do to track NFS activity on their filers? Basically a real-time audit log on the filer showing NFS calls, file sizes, pathname info, uid, etc. I often run into situations where I can see a filer filling up very quickly (or the snapshot reserve doing the same thing), but no way of figuring who/what is doing it. I could sniff the network for NFS packets and decode them, but it seems the best place to look for this information is on the filer. It can probably make better sense of NFS streams than picking off individual packets. On a related note, are there any utilities available for more granular reporting on snapshot usage? Like being able to tell which file or directory or uid is occupying what percentage of the snapshot reserve? This wasn't possible a few years ago, but I figure the smart Netapp engineers would have thought of something since then. ;-) -- Brian Tao (BT300, taob(a)risc.org) "Though this be madness, yet there is method in't"

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