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Snapmirror throttle not working
by Jeff Cleverley 06 Aug '13

06 Aug '13

Greetings, I'm running 8.1.2P4, 7-mode on some 6290s. I need to do some snapmirrors to re-balance some disk space. The -k option to throttle the transfer doesn't seem to be having any effect. I've tried modifying the placement of the -k but it doesn't seem to matter. I also tried to modify it after it was running and it doesn't seem to help either. Here is the command I'm running: snapmirror initialize -S sm15_3 -k 10000 new_sm15_3 If I'm understanding correctly, this should be allowing 10MB/s. The source and destination are on the same file system. Here is a cut of a sysstat 3 after starting it: CPU NFS CIFS HTTP Net kB/s Disk kB/s Tape kB/s Cache in out read write read write age 73% 598 0 0 2091 349080 338016 271 0 0 7 71% 1019 0 0 2046 319892 324019 13114 0 0 0s 71% 2800 0 0 3880 330527 343528 17379 0 0 7 69% 1440 0 0 3405 330279 392647 22343 0 0 0s 87% 1614 0 0 2128 320151 607753 168553 0 0 0s 87% 827 0 0 5652 244701 584436 371689 0 0 0s 91% 897 0 0 4242 344072 680454 386373 0 0 0s As you can see, the disk read/write counts go way up. This is causing some noticeable latency in the nfs access for clients. While I really like the new hardware can pump data around, I need to be able to control it. What am I doing wrong? Thanks, Jeff -- Jeff Cleverley Unix Systems Administrator 4380 Ziegler Road Fort Collins, Colorado 80525 970-288-4611

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Re: updating disk qual files on many controllers
by Jack Lyons 05 Aug '13

05 Aug '13

You can use unc's and not worry drive letters Jack ------Original Message------ From: Scott Eno To: Jack Lyons Cc: Jordan Slingerland Cc: toasters-bounces(a)teaparty.net Cc: tmac Cc: Toasters Subject: Re: updating disk qual files on many controllers Sent: Aug 5, 2013 11:03 AM Correct. Not enough letters in the alphabet and my dfm host is win2008, although I cheated a bit by installing Cygwin and associated sshd service. ---- Scott Eno s.eno(a)me.com On Aug 5, 2013, at 11:00 AM, Jack Lyons <jack1729(a)gmail.com> wrote: > You can do this similarly with cifs and unc's. I assume the significance of 30+ is due to drive mappings? > Sent from my Verizon Wireless BlackBerry > > -----Original Message----- > From: Jordan Slingerland <Jordan.Slingerland(a)independenthealth.com> > Sender: toasters-bounces(a)teaparty.net > Date: Mon, 5 Aug 2013 14:53:24 > To: tmac<tmacmd(a)gmail.com>; Scott Eno<s.eno(a)me.com> > Cc: Toasters<Toasters(a)teaparty.net> > Subject: RE: updating disk qual files on many controllers > > _______________________________________________ > Toasters mailing list > Toasters(a)teaparty.net > http://www.teaparty.net/mailman/listinfo/toasters > > Sent from my Verizon Wireless BlackBerry

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updating disk qual files on many controllers
by Scott Eno 05 Aug '13

05 Aug '13

Hi, I've got an environment of 30+ controllers, some with NFS licensed and some without, but all with CIFS. I'm trying to figure out a way to push drive qual files (and eventually the firmware files) to all the controllers without going one-at-a-time (batch vs. by hand). 30+ means I can't mount them all via CIFS at the same time, and with half of them without NFS licensed I can't mount them via NFS to, say, a linux host. I was looking into using DFM to push the files to all the controllers, but it doesn't seem to work with anything but the config files it can pull off the controllers first. Anyone have a favorite method?

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Recommendations for adding new bigger disk shelves to existing system
by Alexander Griesser 03 Aug '13

03 Aug '13

Hey there, I just got two new DS4243 450GB 15k SAS Shelves and am about to add them to our FAS3240HA. Right now, 4 DS4243 300GB 15k SAS disks are attached to this HA pair, 2 shelves for each controller. Since 300GB disks cannot be purchased anymore, we got the 450GB shelves and I'm reluctant to just "throw away" about 5TB of usable SAS space by downsizing the 450GB disks to 300GB when adding them to the existing aggregates, or does this only apply to RAID groups? So if I create new RAID groups in the existing aggregates, will I then be able to use the "full" [0] size of the 450GB disks? Thanks, [0] After rightsizing and all other nice things NetApp does to the full capacity of the disks :) Alexander Griesser System-Administrator ANEXIA Internetdienstleistungs GmbH Telefon: +43-463-208501-320 Telefax: +43-463-208501-500 E-Mail: ag(a)anexia.at<mailto:ag@anexia.at> Web: http://www.anexia.at Anschrift Hauptsitz Klagenfurt: Feldkirchnerstraße 140, 9020 Klagenfurt Geschäftsführer: Alexander Windbichler Firmenbuch: FN 289918a | Gerichtsstand: Klagenfurt | UID-Nummer: AT U63216601

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Oncommand Core(DFM) thresholds for thin provisioning
by Martin 02 Aug '13

02 Aug '13

Does anyone know of Netapp best practise docs or other references on configuring monitoring on aggregates that have thin provisioned volumes: Specifically: Aggregate Overcommitted Threshold (%) Aggregate Nearly Overcommitted Threshold (%) Aggregate Nearly Full Threshold (%) I realise this depends on the rate of change of the data i.e allowing enough time to provision more storage or reduce usage. I am not clear on some of the detail though. Any pointers would be appreciated. Martin -- View this message in context: http://network-appliance-toasters.10978.n7.nabble.com/Oncommand-Core-DFM-th… Sent from the Network Appliance - Toasters mailing list archive at Nabble.com.

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3270 Powersupply degraded, then OK ?
by Fletcher Cocquyt 30 Jul '13

30 Jul '13

Anyone seen this before? Status is OK now, but if this is a sign its about to fail should I proactively replace this PS? (8.1.2) Jul 29 12:03:34 na02 Jul 29 12:03:34 [na02:monitor.chassisPowerSupplies.ok:info]: Chassis power supplies OK Jul 29 12:03:30 na02 Jul 29 12:03:30 [na02:monitor.chassisPowerSupply.ok:info]: Chassis power supply 1 is OK Jul 29 12:03:30 na02 Jul 29 12:03:30 [na02:callhome.chassis.ps.ok:info]: Call home for CHASSIS POWER SUPPLY OK: PS 1 Jul 29 12:03:24 na02 Jul 29 12:03:24 [na02:callhome.chassis.power:error]: Call home for CHASSIS POWER DEGRADED: Jul 29 12:03:24 na02 Jul 29 12:03:24 [na02:monitor.chassisPower.degraded:notice]: Chassis power is degraded: Jul 29 12:03:23 na02 Jul 29 12:03:23 [na02:cmds.sysconf.validDebug:debug]: sysconfig: Validating configuration. Jul 29 12:03:19 na02 Jul 29 12:03:19 [na02:callhome.chassis.ps.degraded:error]: Call home for CHASSIS POWER SUPPLY DEGRADED: PS 1 Jul 29 12:03:19 na02 Jul 29 12:03:19 [na02:monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 1 is degraded: PSU1 Fan2 Speed is Unreadable thanks

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EXN3000/DS4243 PSU replacement clearance issues
by Ray Van Dolson 29 Jul '13

29 Jul '13

We have EXN3000 (IBM rebranded DS4243's) disk shelves and recently had a PSU go out on one. In attempting to perform the hot swap, we discovered we didn't have enough clearance to pull the PSU out without hitting our vertically mounted CDU's (PDU -- our datacenter team prefers to call them cabinet distribution units). We had to actually lift the CDU off its mount and hold it away from the cabinet to gain the necessary clearance to pull the PSU free. While everything was still running. Definitely precarious! Turns out our racks are 42" deep and I *believe* the recommendation from NetApp is to have 48" racks -- probably exactly for this reason. Can anyone confirm? Other ways to potentially deal with this? I suppose using horizontal CDU's could work as well. Thanks, Ray

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Ataching windows server to netapp
by Iluhes 23 Jul '13

23 Jul '13

Can you help me with the order of the installation of new windows server software: 1. Install Host Unilties? (Does that enable MPIO) 2. Install netapp DSM. Is there a short document on what steps to take Thanks

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How non-disruptive is ifgrp favor <standby interface>
by Fletcher Cocquyt 20 Jul '13

20 Jul '13

Happy Friday We're looking to make a change to the production cluster running 300 VM's including Oracle RAC ahead of the weekend full backups (which are bottlenecking on an edge HP switch - 1000 discards/sec at the peak on this 10Gb port) So we want to run ifgrp favor <standby interface> to balance the traffic out and avoid the discards Do NFS clients (all our VMware datastores are presented via NFS vFilers) notice any issues when the standby interface (e1b) is favored over the active one (e1a)? thanks

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FAS2040 to FAS2220 head swap
by James Andrewartha 17 Jul '13

17 Jul '13

Hi all, I have an (empty) single-controller FAS2040 with a DS4243 full of 2TB disks, which is purely used as a SnapVault destination. I need a bit more space in it, and somehow a new FAS2220 with 12 2TB disks is cheaper than 12 2TB disks for the 2040. So this means I need to do a head swap, which I haven't done before. I've had a read of https://library.netapp.com/ecm/ecm_download_file/ECMP1140588 and it seems fairly straightforward, but I thought I'd ask if there's any tips or gotchas I should know of. Also, what are the platform aggregate limits for the 2220? I know the 2040 had a limit of 22 disks (18 data), but can I add the new internal disks to the existing aggregate (which is 2x9+2 at the moment)? Obviously I'll need to do a reallocate after doing this. Thanks, -- James Andrewartha Network & Projects Engineer Christ Church Grammar School Claremont, Western Australia Ph. (08) 9442 1757 Mob. 0424 160 877

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