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13520 discussions

Host based Lun snapshots (snapdrive) with OnCommand or Protection Manager
by Greg S Wilson 07 Jun '12

07 Jun '12

Anyone worked out how to do Host based lun snapshots (using snapdrive) with OnCommand or Protection Manager and policies ? It seems utterly amazing you have to write a batch file and call sdcli and then setup a scheduled tasks to take snapshots with snapdrive. We have a lot of luns mapped to hosts and its going to get very messy with all these batch files running. Regards Greg S Wilson Senior Storage Engineer CSC Australia Level 2, 380 Docklands Drive, Docklands VIC 3008 GIES (Global Infrastructure and Enterprise Services)| p: +61 3 8695 1931 | m: +61 401 678 919 Please consider the environment before printing this e-mail. <br> <br>CSC - This is a private message. If you are not the intended recipient, please delete without copying and kindly advise us by e-mail of the mistake in delivery. Note: Regardless of content, this e-mail shall not operate to bind CSC to any order or other contract unless pursuant to explicit written agreement or government initiative expressly permitting the use of e-mail for such purpose • CSC Australia Pty Limited; Registered Office: 5B/26 Talavera Road, Macquarie Park NSW 2113 Australia; Incorporated in Australia. ACN: 008 476 944

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AutoSupport cannot connect to url https://support.netapp.com/
by Fletcher Cocquyt 05 Jun '12

05 Jun '12

One of the nodes in this cluster is not able to connect to netapp to post its ASUP since we updated to 8.1 GA 40 days ago: AutoSupport (HA Group Notification from na04 (USER_TRIGGERED (COMPLETE:completedShelfFWupdate)) INFO) cannot connect to url https://support.netapp.com/put/AsupPut/ [na04:asup.post.retry:info]: AutoSupport message (HA Group Notification from na04 (PERFORMANCE DATA) INFO) was not posted to NetApp for host (0). The system will retry later to post the message User triggered also fails to post to netapp.support.com (although we receive the emails internally): Jun 4 10:20:03 [na04:asup.post.host:info]: AutoSupport (HA Group Notification from na04 (USER_TRIGGERED (testing)) INFO) cannot connect to url https://support.netapp.com/put/AsupPut I compared options auto output on both nodes and they are the same DNS settings are the same - and functional na04*> ping www.netapp.com a878.b.akamai.net is alive Any other areas to check? thanks

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Getting NFS3ERR_ACCES for NFS Share
by Ray Van Dolson 30 May '12

30 May '12

IBM N6240 running ONTAP 8.0.2P3. Have a number of NFS shares set up with pretty straightforward permissions: /vol/napc2_p2_Data6 -sec=sys,rw,nosuid Filer is connected both to NIS and AD and most shares are shared out via both NFS and CIFS. When attempting to copy file content to the share above (all shares really, but using this one as an example), I get a Permission denied error (packet capture shows this to be an NFS3ERR_ACCES message). The file itself is successfully created, but is size zero. Once the file is created (with error message) I can then run the exact same copy command again and this time the data is populated. Packet capture seems to show the CREATE call succeeding, while the subsequent SETATTR call failing with the aforementioned error. Anyone run into something like this before? NFS client(s) in this case are Linux (RHEL, Fedora). NFSv3 is in use with NFSv4 explicitly disabled. Ray

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Install OnCommand Core on Ubuntu?
by Fredrik Pettai 30 May '12

30 May '12

Hi, Earlier I got a tip on how to install and run DFM on an Ubuntu server instead of RedHat / SuSE (http://www.eigenmagic.com/2009/06/26/how-to-install-netapp-dfm-on-ubuntu/) However, I would like to do the same thing with OnCommand Core, but the former DFM routine doesn't seem to work well at all. So, I wonder if someone else has manage to do the same thing with OnCommand Core and succeeded? Thanks, /P

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Snapvault stop on 8.1 7-mode
by Jeff Cleverley 30 May '12

30 May '12

Greetings, I posted a couple of weeks ago about snapvault relationships not going away. It turned out the snapvault stop had not cleaned up all the associated snapshots on the destination used for qtrees. Since that time I have had a similar problem on multiple filers. The problem seems to be that snapvault stop doesn't actually do anything in 8.1. I upgraded one of the filers from 8.0.1P1 to 8.1 GA. I was able to get the SV stop to work at 8.0.1, but it hasn't worked once since I've upgraded. One of my other filers is doing the same thing. Ultimately after multiple SV stop attempts (at least 5), rebooting the filer, then doing more multiple SV stops, I was able to get some of them to lose the SV lock. I've got a call open for this but haven't received any useful information from it. This is an example of the error message I get. isolation> snap delete former_mofab isolation(0118075592)_former_mofab_root-dst.0 Snapshot isolation(0118075592)_former_mofab_root-dst.0 is busy because of LUN clone, snapmirror, sync mirror, volume clone, snap restore, dump, CIFS share, volume copy, ndmp, WORM volume, SIS Clone The snapvault stop was the first thing run. Nothing else was done until after it completed. Everything else is cleaned up. The schedules, relationships, etc. A snapvault status doesn't show a source because that has already been cleaned up. The volumes are not part of a mirror and this snapshot is the only special snapshot in the volume. I've also taken the volume offline and brought it back online but that doesn't help either. Is there some magic recipe at 8.1 to make SV stop work? I can't keep rebooting filers and spending 30 minutes per volume doing multiple stops and snap delete attempts. Thanks, Jeff -- Jeff Cleverley Unix Systems Administrator 4380 Ziegler Road Fort Collins, Colorado 80525 970-288-4611

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VSC Privilege
by Carl Howell 30 May '12

30 May '12

I'm trying to get the Virtual Storage Console working using a domain account. Every time I try to log in, it gives me "In order to determine which controller privileges are allowed for this username, the following controller privilege is required: useradmin-user-list" The domain user account I'm using is a member of a group on the filers that has a role with login-*, api-*, and cli-* capabilities. What am I missing? Thanks, Carl

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Curiosity killed the NetApp admin: Empty lun not empty
by Peta Thames 30 May '12

30 May '12

Hi all, I have a question born mostly out of curiosity but also slight paranoia. I don't know VMware very well so forgive me if I'm missing something obvious. I have a VMware lun that is thin-provisioned and presented via FC. vSphere reports that the lun has no VMs in it, and yesterday I deleted the datastore from VMware. It was only mapped to one cluster. The lun is currently offline and no-one's complained (yet). On the filer, it reports that the lun occupies 962.9gb of its 1tb. Surely it should be empty? There are no snapshots. We don't use snapmirror. Fractional reserve was set to 100 but I've since set it to 0 and it made no difference. I haven't been here long so I don't know any more history I'm afraid. Any ideas? Thanks, Peta P.S. If anyone was curious about my last email sent to this list re reallocation and de-duped volumes, I can't get a detailed answer from NetApp support aside from "generally, don't reallocate de-duped volumes". So that's what I'm doing (or not, so to speak).

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Poor NFS 10GbE performance on NetApp 6080s
by Dan Burkland 29 May '12

29 May '12

Hi all, My company just bought some Intel x520 10GbE cards which I recently installed into our Oracle EBS database servers (IBM 3850 X5s running RHEL 5.8). As the "linux guy" I have been tasked with getting these servers to communicate with our NetApp 6080s via NFS over the new 10GbE links. I have got everything working however ever after tuning the RHEL kernel I am only getting 160MB/s writes using the "dd if=/dev/zero of=/mnt/testfile bs=1024 count=5242880" command. For you folks that run 10GbE to your toasters, what write speeds are you seeing from your 10GbE connected servers? Did you have to do any tuning in order to get the best results possible? If so what did you change? Thanks! Dan

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ONTAP & IPv6?
by Fredrik Pettai 29 May '12

29 May '12

Hi, IPv6 support in ONTAP has be there for a while, but is anyone really using it? and in production? I asked NetApp (the local Swedish office in Stockholm) and they tried to asked both their integrators and internally in NetApp worldwide to see if anyone knew about any customers running ONTAP and IPv6 enabled, but only got "no" as answer or no feedback at all. That was disappointing... So does anyone on the list run IPv6 on their NetApp(s)? or know of any other NetApp customer that enabled IPv6? We're starting to use it (on ONTAP 8.1 GA), but it would be comforting if we where not the only ones using it... Thx, /P

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Diagnosing outage on FAS6040 running 8.0.1 7-mode
by Steve Losen 25 May '12

25 May '12

Hello Toasters, We had an incident where a FAS6040 running 8.0.1 gave very slow response to a variety of requests. This resulted in a bunch of Linux VMs experiencing failed disk I/O requests, which resulted in corrupted local Linux filesystems. One Linux VM logged that it waited 180 sec. for a disk I/O to complete. The filer did not reboot, and recovered on its own, but we are very interested in figuring out what happened and if we can avoid it (known bug?, should we upgrade ONTAP?) This 6040 does a variety of jobs -- NFS server for a Communigate Pro email system, NFS volumes for VMWARE, and it even has a few FC SAN LUNs used by sharepoint. In general it does not appear to be overloaded. It's been up for over 300 days with no problems. The CF partner filer experienced no problems at that time and it also holds VMWARE volumes and mail volumes. At the time of the outage the /etc/messages file indicated a slow NFS response (93 sec) to one of the Communigate servers. It also indicated that a FC LUN was reset by the sharepoint server. I'm guessing due to delayed response. The mail and sharepoint volumes are in the same aggregate. I see three resets for the LUN in /etc/messages. I looked in /etc/log/ems at about the time of the outage (Tue May 22 17:30 EDT) I see that a raid scrub of a raid group in the mail/sharepoint aggregate completed with no errors. I also see wafl_cp_toolong_warning_1 and wafl_cp_slovol_warning_1 for a different aggregate (which contains VMs). I see several of these, which I presume are caused by slow completion of CPs. I don't know if these caused the problem or were caused by the problem. Anyone have any suggestions for further investigation or diagnosis? Any other logs to look at? Everything is fine now and has been running fine since the outage. Thanks, Steve Losen scl(a)virginia.edu phone: 434-924-0640 University of Virginia ITC Unix Support

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