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Re: ONTAP 9.5RC1 and quota enforcement in flexgroups
by John Stoffel 22 Dec '18

22 Dec '18

And.... what was your error? Share the pain please? >>>>> "Mark" == Mark A via Toasters Allen <toasters(a)teaparty.net> writes: Mark> From: "Allen, Mark A" <maallen(a)lanl.gov> Mark> To: "toasters(a)teaparty.net" <toasters(a)teaparty.net> Mark> Date: Wed, 12 Dec 2018 23:01:39 +0000 Mark> Subject: Mark> Never mind! User error, user and tree quotas working as expected in flexgroup running 95RC1 Mark> Mark Mark> ----------------------------------- Mark> Toasters, Mark> I have a qtree for home directories in a FlexGroup. I’m testing 9.5RC1 quota enforcement and Mark> seeing mixed results. Mark> The tree type quota rule is enforced. Mark> But, the user type quota rules are not. Mark> Both default and userid specific user quotas are not enforced. The commands below are accepted Mark> without error and I see the disk limits in volume quota policy rule show and volume quota report. Mark> But, when I rsync a file over usage exceeds the limit. Any ideas? Mark> volume quota policy rule modify -vserver data -policy-name y_users -volume y_users_fg1 -type user Mark> -target "" -qtree users -disk-limit 3g Mark> volume quota resize… Mark> volume quota policy rule create -vserver data -policy-name y_users -volume y_users_fg1 -type user Mark> -target 12345 -qtree users -disk-limit 3g Mark> volume quota off/on… Mark> Mark Mark> _______________________________________________ Mark> Toasters mailing list Mark> Toasters(a)teaparty.net Mark> http://www.teaparty.net/mailman/listinfo/toasters

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Creating a readonly user to monitor NetApp cluster via check_mk
by Sylvain Robitaille 20 Dec '18

20 Dec '18

Hello fellow toasters users ... We're in the process of deploying a pair of new CDOT filers and one of the things we'd like to setup with them is having check_mk (nagios and rrd, under the hood) monitor various attributes. We have a working instance at the moment using snmp to query the filers, but check_mk also provides a "plugin" that claims to work with the filer's web interface, so we'd like to examine that. To that end, I've setup a read-only user on the filer, that I intend will be able to access the web interface: security login create -vserver fc1-na -user-or-group-name nul_cmk \ -application http -authentication-method password -role readonly \ -comment "check_mk monitoring" The user shows up when I "show": fc1-na::> security login show -vserver fc1-na -user-or-group-name nul_cmk Vserver: fc1-na Second User/Group Authentication Acct Authentication Name Application Method Role Name Locked Method -------------- ----------- ------------- ---------------- ------ -------------- nul_cmk http password readonly no none The readonly role is unchanged from the OS default: fc1-na::> security login role show -vserver fc1-na -role readonly Role Command/ Access Vserver Name Directory Query Level ---------- ------------- --------- ----------------------------------- -------- fc1-na readonly DEFAULT readonly security none security login password all security login role show-user-capability all set all 5 entries were displayed. Trouble is that if I try to login to the web interface as that user, the browser stays "stuck" at the "Loading system details..." spinner widget. It's been there now for about two hours as I type this. Of course, check_mk's plugin logs a timeout while trying to access the interface. I fully suspect that I'm missing something, of course, but I'm afraid I haven't been able to find what that is. If someone out there has experience creating such a user for readonly access, a pointer to where I should be looking and/or documentation I should be reading would be hugely appreciated. (cli is preferred because it's easier to document what I've done that way, but if someone points me to resources in the web interface I'm sure I'll be able to find what I need at the cli.) -- ---------------------------------------------------------------------- Sylvain Robitaille syl(a)encs.concordia.ca Systems analyst / AITS Concordia University Faculty of Engineering and Computer Science Montreal, Quebec, Canada ----------------------------------------------------------------------

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ONTAP 9.5RC1 and quota enforcement in flexgroups
by Allen, Mark A 12 Dec '18

12 Dec '18

Toasters, I have a qtree for home directories in a FlexGroup. I’m testing 9.5RC1 quota enforcement and seeing mixed results. The tree type quota rule is enforced. But, the user type quota rules are not. Both default and userid specific user quotas are not enforced. The commands below are accepted without error and I see the disk limits in volume quota policy rule show and volume quota report. But, when I rsync a file over usage exceeds the limit. Any ideas? volume quota policy rule modify -vserver data -policy-name y_users -volume y_users_fg1 -type user -target "" -qtree users -disk-limit 3g volume quota resize… volume quota policy rule create -vserver data -policy-name y_users -volume y_users_fg1 -type user -target 12345 -qtree users -disk-limit 3g volume quota off/on… Mark

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what is the best practise to create LUNS in C-mode 9.4p2 version
by Yuvaraja Shivaram 11 Dec '18

11 Dec '18

Hi All, what is the best practice to create Luns in cmode (netapp)version 9.4p2.. by creating qtree and then on top of it creating luns (which will have options to change the security style..ntfs or unix) /vol/abc_vol/luns/dblog (by creating qtree "luns") OR vol/abc_vol/dblog (without creating qtree "luns").. just creating the luns without using qtree's in the path given.. Regards Yuvaraj

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Local account from previous NetApp sometimes shows access on new NetApp
by Jeff Cleverley 10 Dec '18

10 Dec '18

Greetings, I'm seeing some odd behavior with user access on a share. I cannot reproduce the behavior on demand so I have not opened a case with NetApp. Environment - Older 7-mode filer name FAS with local user account named Foo. Newer CDOT filer named NEWFAS with local user account named Foo. We migrated data off FAS to NEWFAS, renamed FAS to OLDFAS, then renamed NEWFAS to FAS. The AD object FAS was removed and re-created for the original name. The same local accounts were set up on each filer. Problem - Because the local accounts on different filers have unique SIDs, the data copied came over with access permissions that usually show the SID for the Foo account (S-1-2-34-5...) I understand and am OK with this. What happens at a random time, and unknown reason is sometimes when using Windows Explorer to view properties, it occasionally shows OLDFAS\Foo instead of just the SID (S-1-2-34-5...) . I had a couple of people verify I wasn't crazy (my mother had me tested) and after checking properties on a couple of other files, it all went back to the SID. I'm at a loss to figure out how exploring to a share on FAS can occasionally figure out that the SID is for OLDFAS\Foo and correctly map a name when 99.9% of the time it only shows the SID. Thanks, Jeff -- ** Please note my email address has changed to jeff.cleverley(a)broadcom.com Jeff Cleverley Manufacturing Engineer 4380 Ziegler Road Building 1, Dock 1 Fort Collins, Colorado 80525 970-288-4611

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SnapCenter support for Oracle on OVM FCP environments
by Filip Sneppe 10 Dec '18

10 Dec '18

Hi, I am trying to figure out if it is possible and supported to back up and clone Oracle databases on Oracle Linux machines hosted on Oracle VM using FC LUNs. I read TR-3712 (Oracle VM and NetApp Best Practices Guide), TR-4700 (SnapCenter Plug-In for Oracle Databases), and TR-3633 (Oracle Databases on ONTAP), but none of these TRs talk about the combination of SnapCenter+OVM. I am not able to come up with an answer from the IMT either. Can someone, perhaps Jeffrey Steiner who is very active on this mailing list, shed some light on this? Thanks in advance! Filip

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Deleting a AD domain from a cluster.
by Jeff Cleverley 27 Nov '18

27 Nov '18

Greetings, We have a 8.3.2P9 MetroCluster. We bought another company a couple of years ago and have had 2 domains associated with the cluster. The first domain is going to be shutoff in a couple of weeks. We were not too worried about it since we are active on the go-forward domain, and have usermaps with both domains. There is a trust relationship between the 2 domains. For any of you who have experience with a previous AD domain being decommissioned, I would appreciate any information about problems that occurred. We just moved some 7-mode data (old filers on new AD domain) to new SVMs on the cluster. All went well but a couple of quirks came up that we can't explain. We set up local user accounts just like the old ones. All worked fine. File system permissions/owners were good. We realized that we forgot to set up WINS servers. We set up the servers, and the local accounts now show up as SIDs instead of the username. We also had a process using the new AD domain that would not work. When they used the old AD domain\user, it worked. Once we put the WINS server addresses in, the old AD domain\user account failed. We had to switch back to the new AD domain\user account. This indicates our local user accounts and other things seem to be tied into our old AD domain. I opened a call with NetApp to try and get more data on what may break. Thanks, Jeff -- ** Please note my email address has changed to jeff.cleverley(a)broadcom.com Jeff Cleverley Manufacturing Engineer 4380 Ziegler Road Building 1, Dock 1 Fort Collins, Colorado 80525 970-288-4611

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FLI \ Flex Array Foreign lun error
by Chris Hague 11 Nov '18

11 Nov '18

Hi Toasters, When connecting 7 LUN's from a 3rd party array to an AFF700 initiator ports, randomly one or 2 of the LUN's go offline with the following error.. These LUN's (foreign disks) are all coming from the same 3rd party array and it doesn't happen to them all; Message: scsiblade.import.lun.offline: LUN 80G/X+MCr/LQ in volume with MSID 2155921120 on Vserver svm_fc has been brought offline due to an I/O failure on the underlying foreign disk with serial number 00000000000000000000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000. Description: This message occurs when a LUN currently being imported is brought offline by Data ONTAP (R) because of an I/O failure on the foreign disk. The issue is either that data cannot be read from or written to the source (foreign LUN), or that there is an internal error. Action: Verify the connectivity to the foreign disk. After resolving any connectivity issues, delete the LUN import and create it again. Running an; storage array config show Still listed 7 LUN's in the above case, but we have seen that drop to 5 \ 6 before, even though the LUNs are still presented and zoned. Un-presenting and re-presenting does seem to kick start them back into life, but is not ideal. This seems to happen on different vendor 3rd Party arrays (we have seen it happen both on HUS and HP presented LUNs) Can anyone offer any advice on this? Many Thanks in advance, Chris. #Apologies for the stupidly long disclaimer! This email is being sent by a subsidiary of Arthur J. Gallagher Holdings (UK) Limited, part of the Arthur J. Gallagher & Co. global group of companies. For details of the registered office, company number and, where applicable, regulated status of our subsidiaries, please visit https://www.ajginternational.com/legal-regulatory-information/. 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Creating qtrees in flexgroups
by Allen, Mark A 10 Nov '18

10 Nov '18

Hello, Looking to have a flexgroup, fg1, which contains 2 subdirectories, bike and car, and create qtrees under each… Something like, /fg1/bike and /fg1/car. Then create the qtrees, /fg1/bike/qtree11 and /fg1/car/qtree22. This would enable a single flexgroup to be mounted on different clients (for example, mount -t nfs -o vers=3 IP:/fg1/bike /mnt/bikes) based on vehicle type. The alternative is to just use 2 flexgroups. Thanks! Mark

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Volume re-home options
by Jeff Cleverley 07 Nov '18

07 Nov '18

Greetings, We are migrating off a 7-mode cluster to a cdot metrocluster. We have a number of requirements to keep the 7-mode names. Each 7-mode controller has ~90TB of used data and an average of 30 volumes with CIFS and/or NFS exports. We had planned on using a mix of xcp/robocopy to migrate to an existing SVM, rename the old cluster, create new cdot SVMs, then re-home the volumes to the new SVM. We tested this on a new cluster and it worked fine. The new cluster was not MC and the re-home won't work with MC. Is there a way to get the MC to assign the IP of the old 7-mode name to one of the SVMs something like an alias? Thanks, Jeff -- ** Please note my email address has changed to jeff.cleverley(a)broadcom.com Jeff Cleverley Manufacturing Engineer 4380 Ziegler Road Building 1, Dock 1 Fort Collins, Colorado 80525 970-288-4611

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