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13520 discussions

Local netgroup file on 8.2 c-mode.
by Robert Clark 13 Jan '16

13 Jan '16

The local netgroup file is loaded onto the cluster via a URL. Do you folks know of any way to check what the current netgroup file is in effect, before loading a netgroup file on over the top? I've been bitten by a number of landmines left by previous admins in this particular shop, and I'd like to confirm that everything present in the current file is also present in the new file, before doing the load. Thanks, [RC]

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zimbra netapp storage
by Natxo Asenjo 09 Jan '16

09 Jan '16

hi, is anybody running zimbra mail groupware with Netapp storage? Do you have any tips on how to backup up zimbra using snapshots? We are now using zmbackup/zmrestore to a nfs volume, but that is not really very efficient nor fast. I was wondering if any of you has implemented a better solution. Thanks in advance. -- Groeten, natxo

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SnapDrive shrink lun
by Kevin Richards 05 Jan '16

05 Jan '16

Happy New Year Toasters! Quick question for the group, we have a lun that was increased from about 3TB to 7TB. We now would like to shrink it down. My understanding is that I can only cut it by half due to a limitation of the OS (Win2008R2). My other concern is data corruption, etc. I have the option of adding a new lun and migrating data. Any recommendations from experience? Thank you. Kevin

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CentOS 6.7 + cDOT 8.3.1: kernel: scsi: host X channel Y id Z lun4194304 has a LUN larger than allowed by the host adapter
by Momonth 04 Jan '16

04 Jan '16

Hi, Before I take a long journey with NetApp support, let me ask you guys. I have CentOS 6.7 server and I'm trying to attach a cDOT LUN to it as path discovery fails with: kernel: scsi: host 0 channel 3 id 0 lun4194304 has a LUN larger than allowed by the host adapter However it only fails with the message above for one HBA out of two installed into the server. The HBAs (drivers, firmware etc) are identical. The HBA are Qlogic relabeled as HP. So RedHat has a KB article for it https://access.redhat.com/solutions/67157 and it's advised to contact storage appliance vendor. I've seen that once, it was due to some FW files being absent under /lib/firmware, it's not the same this time. Has anyone seen that before? Cheers, Vladimir

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8.1.4 P9 7-Mode
by Philbert Rupkins 30 Dec '15

30 Dec '15

Hello, Has anybody upgraded to 8.1.4 P9 7-Mode yet? I am looking to upgrade to 8.1.4 P9 from 8.1.4 P3 shortly. I am especially curious if there are any known issues with 8.1.4 P9 because it is currently the latest release in the 8.1.4 family. If 8.1.4 P9 turns out to be problematic, we will be forced to upgrade to an 8.2.X release. We've been hesitant to upgrade to an 8.2.X release because our average controller utilization is 40-45% (avg_processor_busy) and, as I understand it, we can expect a bump of 10-20% CPU utilization on account of new code/features that have been introduced in 8.2.x. Thanks, Phil

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Re: SnapMirror throttle schedule in cDOT?
by Scott Eno 28 Dec '15

28 Dec '15

options.snapmirror ? Is this available to be modified at the node level? If so, that's very interesting. > On Dec 28, 2015, at 11:17 AM, Matt Hallmark <matt(a)cosmictoaster.com> wrote: > > I would just write the script to change the dynamic value in options.snapmirror and schedule it via cron. I don't know of any native way. > > On Mon, Dec 28, 2016 at 08:10, Scott Eno <s.eno(a)me.com> wrote: > Hi, > > Anyone know if there’s a way to change a throttle value on a snapmirror relationship based upon time-of-day? As an example, between the hours of 7 AM and midnight throttle the transfers to 2.5MB/s and between midnight and 7 AM, throttle the transfers to 10MB/s. > > There was a way to create a throttle policy in the old NMC, but there doesn’t seem to be a way to do it with cDOT, at least as far as I can see. > > I’m considering an external script that will modify the throttle based on time-of-day, but, particularly with long running initializations, the process has to be stopped “aborted” and started again in order for the new throttle value to get picked up. Without logic in the script I could end up re-initializing the snapmirror relationship if the init finishes and I don’t stop the script. > > — > Scott Eno > s.eno(a)me.com > _______________________________________________ > Toasters mailing list > Toasters(a)teaparty.net > http://www.teaparty.net/mailman/listinfo/toasters

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SnapMirror throttle schedule in cDOT?
by Scott Eno 28 Dec '15

28 Dec '15

Hi, Anyone know if there’s a way to change a throttle value on a snapmirror relationship based upon time-of-day? As an example, between the hours of 7 AM and midnight throttle the transfers to 2.5MB/s and between midnight and 7 AM, throttle the transfers to 10MB/s. There was a way to create a throttle policy in the old NMC, but there doesn’t seem to be a way to do it with cDOT, at least as far as I can see. I’m considering an external script that will modify the throttle based on time-of-day, but, particularly with long running initializations, the process has to be stopped “aborted” and started again in order for the new throttle value to get picked up. Without logic in the script I could end up re-initializing the snapmirror relationship if the init finishes and I don’t stop the script. — Scott Eno s.eno(a)me.com

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DFS on CDOT 8.3.1 and riverbed appliance
by Sayla, Mustafa 18 Dec '15

18 Dec '15

We just started migrating our CIFS data from 7-mode to CDOT system. For our remote office data we use riverbed for acceleration and what we are finding out that if "-is-advertise-dfs-enabled" is set to true then it will not accelerate the CIFS traffic. Per Netapp and Riverbed we have to turn this off on the CIFS Vserver for all the data and then enable it for shares we want the dfs advertise to work. Our issue is that we have over 200 shares which do not pass through riverbed appliance and are not affected but we still have to turn it off and there are only about 10 shares for which we want this to be disable. If I follow the solution by Netapp then I would disable on the vserver and then enable it for the 200 or so shares manually and also I have to remember it to do it for new shares. We use DFS for name space only and not for replication. What I am not clear is to what this setting would do if I turn it off for all the CIFS data? Does that mean I cannot map the drives using dfs path or something else. Anyone has run into similar issue and what did you do to resolve it. Any help is appreciated. Mustafa Sayla Visit us on the Web at mesirowfinancial.com This communication may contain privileged and/or confidential information. It is intended solely for the use of the addressee. If you are not the intended recipient, you are strictly prohibited from disclosing, copying, distributing or using any of this information. If you received this communication in error, please contact the sender immediately and destroy the material in its entirety, whether electronic or hard copy. Confidential, proprietary or time-sensitive communications should not be transmitted via the Internet, as there can be no assurance of actual or timely delivery, receipt and/or confidentiality. This is not an offer, or solicitation of any offer to buy or sell any security, investment or other product.

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VMware on CDOT 8.3.x
by Klise, Steve 17 Dec '15

17 Dec '15

Is there an update to tr-4068? Moreover looking for VMware 6x, NFS, jumbo frames info. If 4068 is best, I can use that. Steve

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MHost Configuration Problem?
by Alexander Griesser 12 Dec '15

12 Dec '15

Hey, has anyone ever seen this? toaster*> version NetApp Release 8.0.1P2 7-Mode: Wed Feb 16 21:32:12 PST 2011 toaster*> options disk.auto disk.auto_assign off (value might be overwritten in takeover) toaster*> options autosupport.support.enable option autosupport.support.enable: can not be read, MHost configuration problem (code=0x1) autosupport.support.enable unknown (value might be overwritten in takeover) It seems as if only the autosupport options are affected... Best, Alexander Griesser Head of Systems Operations ANEXIA Internetdienstleistungs GmbH E-Mail: AGriesser(a)anexia-it.com<mailto:AGriesser@anexia-it.com> Web: http://www.anexia-it.com Anschrift Hauptsitz Klagenfurt: Feldkirchnerstraße 140, 9020 Klagenfurt Geschäftsführer: Alexander Windbichler Firmenbuch: FN 289918a | Gerichtsstand: Klagenfurt | UID-Nummer: AT U63216601

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