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Re: UCD SNMP and NetApp MIBs
by Thomas.L.White＠jpmorgan.com 14 Dec '01

14 Dec '01

Have you ever tried to get an SNMP out of one of those traps without killing it ?? tw Jose Celestino <japc(a)co.sapo.pt>@mathworks.com on 12/14/2001 08:39:44 AM Sent by: owner-toasters(a)mathworks.com To: Ben Rockwood <BRockwood(a)homestead-inc.com> cc: toasters(a)mathworks.com Subject: Re: UCD SNMP and NetApp MIBs Is there any reason not to use snmp traps ? Thus spake Ben Rockwood, on Wed, Dec 12, 2001 at 04:47:21PM -0800: > Hello Toasters. > > I'm trying to write a simple dainty application to check for drive > failures in our Filers. I'm going to implement this app in a PERL > script which will use UCD SNMP to pull variables from the Filers. The > problem is that when I walk the SNMP tree on a Filer I only get network > statistics. I'm getting info in the following manner: > > # export MIBFILE="/usr/local/share/snmp/mibs/netapp_1_5.mib" > # snmpwalk -v 1 bigfiler public > > I get about 2027 lines of output with IP, TCP, UDB, SNMP stats, plus > address translation tables. But what I really want to see is the the > RAID tables. > Any idea what I need to do? I've found no help elsewhere on the net, > including NetApp's NOW site. I DID find one page on NOW that listed > several > SNMP Groups found in the MIB, but I don't know how to access them. > > Any help is appreciated. > > Ben Rockwood > brockwood(a)homestead-inc.com -- Jose Celestino <japc(a)co.sapo.pt> ---------------------------------

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UCD SNMP and NetApp MIBs
by Ben Rockwood 14 Dec '01

14 Dec '01

Hello Toasters. I'm trying to write a simple dainty application to check for drive failures in our Filers. I'm going to implement this app in a PERL script which will use UCD SNMP to pull variables from the Filers. The problem is that when I walk the SNMP tree on a Filer I only get network statistics. I'm getting info in the following manner: # export MIBFILE="/usr/local/share/snmp/mibs/netapp_1_5.mib" # snmpwalk -v 1 bigfiler public I get about 2027 lines of output with IP, TCP, UDB, SNMP stats, plus address translation tables. But what I really want to see is the the RAID tables. Any idea what I need to do? I've found no help elsewhere on the net, including NetApp's NOW site. I DID find one page on NOW that listed several SNMP Groups found in the MIB, but I don't know how to access them. Any help is appreciated. Ben Rockwood brockwood(a)homestead-inc.com

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RE: mounting CIFS on Solaris
by Mike Sphar 13 Dec '01

13 Dec '01

I believe smbmount is only supported on linux, as for smbmount to work your kernel has to support the smbfs filesystem. I could be wrong about this, but I don't believe there is smbfs support for the solaris kernel yet. If you just need to copy files from CIFS Servers, smbclient and smbtar can do that for you, but you can't actually mount the CIFS share as a file system on Solaris yet. This from Sun's web site: Samba provides SMBFS file system support in the Linux kernel, which enables folders shared from Microsoft Windows systems to be directly mounted on the Linux file system, using the smbmount command. However, the Samba development team has not yet ported the SMBFS kernel module to the Solaris platform. For this reason, Solaris can not use the smbmount command to mount folders shared from Windows computers. In the Solaris platform, the smbtar utility accomplishes this instead. -- Mike Sphar - Iron Chef UNIX - R&D Support Peregrine Systems, Inc. -----Original Message----- From: Alexei Rodriguez [mailto:alexei@loudcloud.com] Sent: Thursday, December 13, 2001 10:57 AM To: 'Coder, James (STP)'; toasters(a)mathworks.com Subject: RE: mounting CIFS on Solaris smbmount is part of the Samba package: http://www.samba.org/ You can download the package and build it for your solaris system and make use of the same functionality. alexei

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Turning off RAID
by Edward Hibbert 13 Dec '01

13 Dec '01

We have a test machine with a bunch of disk space on it. Not enough, and NetApp disk space isn't cheap :-) Is there any easy way in which we can turn off RAID and free up that disk for real data? Ideally without losing all the data that's on there at present... Edward Hibbert Internet Applications Group Data Connection Ltd Tel: +44 131 662 1212 Fax: +44 131 662 1345 Email: eh(a)dataconnection.com Web: http://www.dataconnection.com

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RE: Real vs Raw disk space
by Steve Roche 13 Dec '01

13 Dec '01

According to my configuration tool you would realize 606GB of usable space assuming a 10% snapshot reserve. -----Original Message----- From: Geoff Hardin [mailto:geoff.hardin@dalsemi.com] Sent: Thursday, December 13, 2001 12:36 PM To: toasters Subject: Real vs Raw disk space Toasters, We are looking at purchasing some new DS14 shelves with 72 GB disks. In order to properly forecast our disk space growth, I was wondering if anyone out there had taken a look at the difference between real and usable disk space realized with these new shelves and drives. Basically, our environment is as follows: DS14 Shelf with 14 72 GB disks (1 RAID group of 8 disks, 1 RAID group of 6 disks), attached to a filer running DOT 6.1R1P1. We will have 1 spare disk and no snap reserve. Geoff Hardin geoff.hardin(a)dalsemi.com

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Add Local Groups from the Command Line
by Nail, Larry 13 Dec '01

13 Dec '01

CIFS Question... Anyone know how to add "local" groups to a filer from the command line? I can't seem to find a method. ______________________________________ Lawrence D. Nail, MGTS Microsoft Certified Systems Engineer on Windows(r) 2000 Strategic Development Team Design Systems Texas Instruments Incorporated

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CONCLUSION: UCD SNMP and NetApp Filers
by Ben Rockwood 13 Dec '01

13 Dec '01

Fellow Toasters: So after plowing around I found that it was probly time for me to actually learn SNMP alittle better than I previously had. I'll summerize my conclusions for postarity. So the first step is getting that MIB from NetApp. Then putting it in your /usr/local/share/snmp/mibs/ directory (yes, there is a way around this, but...). Then you can get cracking. By supplying a "-m netapp-mib-file" helped get around any problem I originally had. My biggest problem was getting the MIB file correctly loading. True you can walk the tree without it, but as most of the people who replied to me suggested, walking from .1 really sucks. (No offense, it's just alot of data) I found that all OID's can start at enterprises, rather than .iso. That helped. Then I found that restricting walking to the main arteries of the Filer MIB's groups was best, namely thoughs found in this document: http://now.netapp.com/NOW/knowledge/docs/ontap/rel60/html/sag/snmp3.htm# top Several commands that I liked were: # snmpwalk -m NETWORK-APPLIANCE-MIB -v 1 myfilerhost1 public .iso.org.dod.internet.private.enterprises.netapp.netapp1.raid # snmpget -m NETWORK-APPLIANCE-MIB -v 1 -Ov ralph public enterprises.netapp.netapp1.sysStat.environment.envFailedPowerSupplyMessa ge.0 The earlier command searching the RaidGroup information, which is IMHO the most intersting stuff from the Filers. The second grabbing a specific OID value. The "-Ov" arguement to snmpget says to suppress its natural urge to display the OID with the value, giving us JUST the value itself. Anyway, I mentioned that I was interested in all this stuff in order to find an easy and automated way to check for failed disks. I built a script to do just that. I'm attach it below. It's _really_ basic, but should help anyone interested in building such a script get a head start. I wanted this to be super straightforward, so don't get too down on my PERL. Thanx for all replies from the Guru Toasters out there. Ben Rockwood UNIX Systems Admin brockwood(a)homestead-inc.com ------------------------------------------------------------------------ ---- #!/usr/bin/perl #Usage: nacheckfilers toaster1 toaster2 toaster3 ...... # nacheckfilers v0.5 # Dependancies: PERL 5, UCD SNMP, NetApp MIB # Copyright (C) 2001 Homestead Inc. # Written by Ben Rockwood <brockwood(a)homestead-inc.com> # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. ## NOTES: This is an UNPOLISHED script for reference and modification. ## All SNMP gets are intended to be as simple to follow as possible. ## This script was inspired loosely (namely 2 lines, but...) on an earlier ## script by Daniel Quinlan posted to the Toasters group. ## In its current for this script does NO host checking and can therefore ## create pages of rubbish by supplying a non-existant or non-Filer host. ###################################### ## User Changable Config Parameters ## ###################################### #Set the path for UCD-SNMP $ENV{'PATH'}="/bin:/usr/bin:/usr/sbin:/usr/bin:/usr/local/bin"; #Make sure UCD-SNMP knows which MIB we wanna use #Note, the _actual_ file name is NETWORK-APPLIANCE-MIB.txt, the .txt should not be supplied below. #Note, the NetApp supplied MIB file is normally netapp_1_5.mib, link or rename it to NETWORK-APPLIANCE-MIB.txt $ENV{'MIBS'}="+NETWORK-APPLIANCE-MIB"; #Set the community string $COMMUNITY = "public"; #################### ## Main Run Loop ## #################### $ARGS = @ARGV; unless ($ARGS > 0) { die "Usage: nacheckfilers toaster1 toaster2 toaster3 ...\n"; } for ($i = 0; $i < $ARGS; $i++) { $TARGETHOST = $ARGV[$i]; __gen_filer_report(); } ############################# # Now do the heavy lifting ## ############################# sub __gen_filer_report { ## Setup some common stuff for convience $SNMPGET = "snmpget -v 1 -Ov $TARGETHOST $COMMUNITY "; $DATE = `date`; ## Heres where we get all the goods. chomp($failedfans = `$SNMPGET enterprises.netapp.netapp1.sysStat.environment.envFailedFanCount.0`); chomp($failedfansmsg = `$SNMPGET enterprises.netapp.netapp1.sysStat.environment.envFailedFanMessage.0`); chomp($failedps = `$SNMPGET enterprises.netapp.netapp1.sysStat.environment.envFailedPowerSupplyCount .0`); chomp($failedpsmsg = `$SNMPGET enterprises.netapp.netapp1.sysStat.environment.envFailedPowerSupplyMessa ge.0`); chomp($batterystat = `$SNMPGET enterprises.netapp.netapp1.sysStat.nvram.nvramBatteryStatus.0`); chomp($globalmsg = `$SNMPGET enterprises.netapp.netapp1.sysStat.misc.miscGlobalStatusMessage.0`); chomp($diskcount = `$SNMPGET enterprises.netapp.netapp1.raid.diskSummary.diskTotalCount.0`); chomp($activecount = `$SNMPGET enterprises.netapp.netapp1.raid.diskSummary.diskActiveCount.0`); chomp($rebuildingcount = `$SNMPGET enterprises.netapp.netapp1.raid.diskSummary.diskReconstructingCount.0`); chomp($reparitycount = `$SNMPGET enterprises.netapp.netapp1.raid.diskSummary.diskReconstructingParityCoun t.0`); chomp($verifyparitycount = `$SNMPGET enterprises.netapp.netapp1.raid.diskSummary.diskVerifyingParityCount.0`) ; chomp($failedcount = `$SNMPGET enterprises.netapp.netapp1.raid.diskSummary.diskFailedCount.0`); chomp($sparecount = `$SNMPGET enterprises.netapp.netapp1.raid.diskSummary.diskSpareCount.0`); chomp($failedmsg = `$SNMPGET enterprises.netapp.netapp1.raid.diskSummary.diskFailedMessage.0`); ## Here's where we output all this crap. print("\n\nStatus Report for $TARGETHOST: $DATE\n"); print(" The global message is: $globalmsg \n\n"); print(" There are $failedfans failed fans.\n"); if($failedfans != 0) { print("\n***FAILED FAN IN $TARGETHOST: $failedfanmsg ***\n\n"); } print(" There are $failedps failed power supplied.\n"); if($failedps != 0) { print("\n***FAILED POWER SUPPLY IN $TARGETHOST: $failedpsmsg ***\n\n"); } print(" Battery Status is: $batterystat \n"); print(" Total disk count is: $diskcount \n"); print(" The Active Disk Count is: $activecount \n"); print(" The Spare Disk Count is: $sparecount \n"); if($activecount + $sparecount != $diskcount) { print("\n***PROBLEM: ActiveDisks plus SpareDisks dont match TotalDisks. Investigate***\n\n"); } print(" The Failed Disk Count is: $failedcount \n"); if($failedcount != 0) { print("\n***FAILED DISK IN $TARGETHOST: $failedmsg ***\n\n"); } print("\n ------H--O--M--E--S--T--E--A--D--.--C--O--M-----\n"); } #------------------------- FIN -----------brockwood(a)homestead-inc.com---

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RE: dump to overland jukebox dlt7000 w lvd scsi card problem
by Toal, Dave 13 Dec '01

13 Dec '01

Stephen, > disabled ndmpd Ok, so 'ndmpd status' returns "OFF"; and no sessions are active? I've had to 'ndmpd kill <session number>' occasionally, to free up the tape device after a (Veritas Net)backup problem. Rebooting the filer will also clear hung ndmpd sessions. Also, this sounds trivial, but bad scsi termination will cause write errors. mt will return good status (and even fsf & rewoffl) but dump won't be able to write to the tape device. > switched the jukebox with another unit If #2 was working under budtool, maybe its termination is good. Might try a different scsi cable as well? Another trivial point: the set-up @ork is an F740 with a dlt 7000 in a 9710 tape library. I've noticed that power-cycling the dlt or changing the connection to the filer seems to require rebooting the 740, before the dlt is useable. Sun boxes, on the other hand, can 'hot-swap' a scsi dlt without problems. -- Dave Toal unix resource thomson & thomson -----Original Message----- From: Darragh, Stephen J To: 'toasters(a)mathworks.com' Sent: 12/13/01 9:01 AM Subject: dump to overland jukebox dlt7000 w lvd scsi card problem Hello, I have a Overland mini library xpress 15 slot single dlt7000 that I attached to a f740 filer sysconfig -m and sysconfig -t report what appears to be the correct information and the lvd card is the correct rev and in the right slot. I even switched the jukebox with another unit that I use for BudTool NDMP backups of that filer. mt -f rst3a status shows write enabled and dlt7000 correctly. When I go to use the dump command, I get an error that it can't open the device for write, and asks for retry (which also fails) I disabled ndmpd before I tried to dump to rst3a I have an open case with NetApp, but am hoping someone else has already run into this Thanks Stephen Darragh UNIX Sys Admin BAE Systems

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dump to overland jukebox dlt7000 w lvd scsi card problem
by Darragh, Stephen J 13 Dec '01

13 Dec '01

Hello, I have a Overland mini library xpress 15 slot single dlt7000 that I attached to a f740 filer sysconfig -m and sysconfig -t report what appears to be the correct information and the lvd card is the correct rev and in the right slot. I even switched the jukebox with another unit that I use for BudTool NDMP backups of that filer. mt -f rst3a status shows write enabled and dlt7000 correctly. When I go to use the dump command, I get an error that it can't open the device for write, and asks for retry (which also fails) I disabled ndmpd before I tried to dump to rst3a I have an open case with NetApp, but am hoping someone else has already run into this Thanks Stephen Darragh UNIX Sys Admin BAE Systems

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Question about FC
by Ulf Zimmermann 12 Dec '01

12 Dec '01

Hello, I am unfortunatly new to FC and got a question about the FC-AL terminator used by NetApps, like the F720. Is this really a terminator, as in it has resistors, or is it a loopback adapter ? I found some cables for the NetApp I aquired but all they had was a loopback adapter instead of the terminator. -- Regards, Ulf. --------------------------------------------------------------------- Ulf Zimmermann, 1525 Pacific Ave., Alameda, CA-94501, #: 510-865-0204

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