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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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AD/LDAP Auth
by Mike B. 16 Jul '13

16 Jul '13

Disclaimer - I'm not Windows savvy so feel free to set me straight if/when/where needed.. I've searched around in the communities site and have read loads of posts about auth'ing admin users against AD. I've also searched the web for hours looking for similar content. I don't feel that all of what I've read fully addressed what I seem to be looking for though. Before I ramble on and on (my apologies in advance), here are some key things that need to be factored in: 1. There is no cDOT - everything is 7G/7-Mode 2. The use of vFilers is **not** an option 3. A 2-way trust **cannot** be established Reading through documentation all the way back to 7.2.5.1 (I didn't go any further), the docs say the following requirements exist to use AD: ======================== A valid CIFS license Your storage system joined to an Active Directory domain A two-way trust relationship established between your storage system’s domain and your LDAP server’s domain, if they are different ======================== >From what I've read, all one needs to do is run through the initial CIFS setup and that should suffice - but the above seems to contradict that. So do you actually /have to have/ a CIFS license AND be "..joined to an Active Directory domain" ?? IIRC you can auth against AD via the LDAP options without making the storage controllers actually be part of any AD. What if they *are* part of an existing AD; can you point them at a different set of AD servers all together for **just** admin auth? That whole trust req above seems to point to no.. Thanks!

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thinn volume how to?
by Iluhes 15 Jul '13

15 Jul '13

Folks, Please tell me if the way to create a volume that will contain thin luns is the best below vol create vol1 -s none aggr0 550g vol options vol1 fractional_reserve 0 snap reserve -V vol1 0 vol autosize vol1 off snap autodelete vol1 on Do I need to create the LUNs with any special consideration Thanks!!!~

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FAS 3210 after upgrade from 8.0.2 to 8.1.3 - higher cache age.
by Rafał Radecki 15 Jul '13

15 Jul '13

Hi All. I've performed an upgrade and afterwards my cache age is higher. Before the upgrade it was ~3 minutes, now it is ~4.5 minutes. The amount of operations over NFS did not change. NFS latency also for all volumes is now 50% of the latency before the upgrade. Cache age with snmp from http://ipmsupport.solarwinds.com/mibs/NETWORK-APPLIANCE-MIB/item.aspx?id=mi… . It is "Age in minutes of the oldest read-only blocks in the buffer cache. This indicates how fast read operations are cycling through system memory; when the appliance is reading very large files (larger than the machine's memory size), buffer cache age will be very low." In the background there is still a rlw_upgrading process running, details in https://communities.netapp.com/thread/22676 . So overall I think that lower nfs latency is better, but am not certain about cache age. Is it not strange both changed so much after the upgrade? Have you had similar experiences? Best regards, Rafal Radecki.

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Netapp ONTAP 8.0.2 - NFS takeover/giveback - should it be visible to clients?
by Rafał Radecki 12 Jul '13

12 Jul '13

Hi All. I have two FAS3210 in 7-mode Actvie/Active. I perform takeover/gieback and see that the outage is visible for clients for nfs mounts. From your experiences should it be so? I think that information about nfs sessions and IP address are moved to the takeover node so in theory it should not be visible. Best regards, Rafal.

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SAS cabling question
by Klise, Steve 09 Jul '13

09 Jul '13

Is there such a thing as SAS patch panels? I may have to go beyond the standard cable lengths to another area of the datacenter.. Has anyone had to get a workaround for this? I think the latest SAS length is 15M or 20M. Thanks Steve

4 3

Snapvault snapshots lost after upgrade.
by Jeff Cleverley 09 Jul '13

09 Jul '13

Greetings, I upgraded heads on our filers. The new 6290s had their own disks and I have 8.1.2P4 on them. The old 6080s were 7.3.5.1P4. For the update I kept the 6290 root/vol0 drives and changed ownership of all the other drives. The aggregates were brought online and all the volumes came up OK. I'm now seeing none of my backups are running because the snapvault snapshot is missing. I still have the acs snapshot. I've tried the snapvault start -S command and it says it is already a snapvault relationship. When I try to tell it to do a snapvault update, it says the base snapshot no longer exists on the source. What happened to all my snapvault snapshots? Why did the snapvault snapshots get released? I thought those were in the volume and should have carried over in the hardware migration. I still have access to the old root volumes and backups of the old root volumes if there is anything that can be salvaged. I would rather not have to re-baseline 100+TB of source data. Thanks, Jeff -- Jeff Cleverley Unix Systems Administrator 4380 Ziegler Road Fort Collins, Colorado 80525 970-288-4611

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Hooking a DS4243 to a "standard" SAS adapter
by Laurent CARON 30 Jun '13

30 Jun '13

Hi, I just decomissionned 2 DS4243. Since I'd rather use them now than let them take the dust, I wonder if it is possible to hook them to a standard SAS adapter (eg: LSI SAS 9207-8e) placed in a server to act as a JBOD enclosure. Physical cabling is ok and will cause no trouble, but will the disks be seen by the card. What about multipath ? Did anybody already do/try it ? Thanks Laurent

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