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13520 discussions

Showmount capability in 8.2.2?
by Robert Clark 13 Apr '16

13 Apr '16

Is anyone aware of a way to check which clients have a particular NFS export mounted, in 8.2.2? I've installed and worked with the showmount command written in python, but it appears to only output the export list. Thanks, [RC]

3 2

Listing NTFS style ACLs from unix client via NFS
by John Adams 13 Apr '16

13 Apr '16

Hello, Simple question here.. If a qtree is using NTFS style permissions, and that same qtree is exported via NFS to a unix client... Is there a way to see the NTFS acl's from that unix client? The usual "ls -l" just shows what looks like mode 777. Maybe an open source tool that could be installed on the unix client or something? Thanks.

5 4

running SAN on NetApp
by Eric Peng 13 Apr '16

13 Apr '16

Folks, Does anyone have experience with running production workloads on FC-based LUNs on NetApp? Am curious to know how performance of hosting virtual machines (including Exchange, database environments) compares to more traditional block-based SANs (EMC, 3Par, Hitachi, etc), since what I've read is that NetApp's LUNs feature still sits on top of WAFL? We have some native FAS NetApps, along with many N-series rebranded NetApps, but all are run in 7-Mode and using NFS connections. Also, how do you all implement data tiering in your NetApp environments? We are currently using IBM SAN (Storwize/V7000) and this has tiering capability. We'd consider moving some SAN workloads to NetApp if we could get as good SAN performance and also address the tiering capability. Thanks, Eric Peng | Enterprise Storage Systems Administrator Esri | 380 New York St. | Redlands, CA 92373 | USA T 909 793 2853 x3567 | M 909 367 1691 epeng(a)esri.com<mailto:epeng@esri.com> | esri.com<http://esri.com/>

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badlock
by Weber, Mark A 12 Apr '16

12 Apr '16

Any NetApp people know if badlock will impact ONTAP? http://badlock.org/ http://www.theregister.co.uk/2016/03/22/badlock_bug/ thanks m

2 2

aix san boot lun - no lun id 0
by Rhodes, Richard L. 11 Apr '16

11 Apr '16

Hi Everyone, We have a AIX server that boots from a NetApp (IBM nSeries) for which we need to upgrade AIX. The AIX Admins want me to allocate a alt_boot lun, which they will make the new boot lun after upgrading. Currently the server has two luns: lun show -m LUN path Mapped to LUN ID Protocol ----------------------------------------------------------------------- /vol/v_rsxxxx_boot/q_rsxxxx_boot/lun0_boot rsxxxx 0 FCP /vol/v_rsxxxx_boot/q_rsxxxx_boot/lun1_boot rsxxxx 1 FCP lun 0 = rootvg boot lun lun 1 = non-rootvg lun with paging space If I create a new lun at id 2, we cut over to it and I delete the old boot vol at id 0, I then have a lun id gap - no lun 0. Is this a problem with NetApp storage? (I know we have problems with EMC VNX storage with LUNZ devices if no lun id at 0.) Rick ----------------------------------------- The information contained in this message is intended only for the personal and confidential use of the recipient(s) named above. If the reader of this message is not the intended recipient or an agent responsible for delivering it to the intended recipient, you are hereby notified that you have received this document in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify us immediately, and delete the original message.

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cDOT 8.2: share NFS volume with CIFS too problems
by John Stoffel 01 Apr '16

01 Apr '16

Guys, I'm banging my head on the wall trying to setup an NFS filesystem on a cDOT 8.2 VServer to also be shared using CIFS. I can see the volume and look at it from Windows, but I can't create any files or directories. Just to make sure I'm not smoking anything, here's what I did: > vol create -vserver flsm-fs01 -vol data310 -size 1t -junction-path /data310 -aggr sas1n2 > vol modify -vserver flsm-fs01 -vol data310 -unix-permissions 777 And here's now it looks now: flsm-ntap1::> vol show (volume show) Vserver Volume Aggregate State Type Size Available Used% --------- ------------ ------------ ---------- ---- ---------- ---------- ----- flsm-fs01 data310 sas1n2 online RW 5TB 4.75TB 5% And I can see it just fine with NFS, etc. My unix username is 'stoffj' and my windows username is 'TAEC_IRV1\stoffj' so it should just map cleanly over using the defaults. > cifs show Server Status Domain/Workgroup Authentication Vserver Name Admin Name Style ----------- --------------- --------- ---------------- -------------- flsm-fs01 FLSM-FS01 up TAEC_IRV1 domain > cifs share show Vserver Share Path Properties Comment ACL -------------- ------------- ----------------- ---------- -------- ----------- flsm-fs01 data310 /data310 oplocks - Everyone / Full Control browsable changenotify I even setup and looked at the "security trace" stuff to try and figure it out. And it complains that my UNIX security is messed up. I've tried to cut'n'paste this info, but all the tabs keep expanding in wierd ways and cause all kinds of havoc here. Here's an example error: n2 1 User: TAEC_IRV1\stoffj Access is denied by UNIX permissions while creating the directory. Security Style: UNIX permissions Path: /john/dir2/New folder Now the interesting thing is that the path shown looks to be at the level UNDER the CIFS share. But it should be ok, right? Here's my permission settings: flsm-ntap1::> file-directory show -vserver flsm-fs01 -path /data310/john/dir2 (vserver security file-directory show) Vserver: flsm-fs01 File Path: /data310/john/dir2 Security Style: unix Effective Style: unix DOS Attributes: 10 DOS Attributes in Text: ----D--- Expanded Dos Attributes: - Unix User Id: 61255 Unix Group Id: 4901 Unix Mode Bits: 2775 Unix Mode Bits in Text: rwxrwsr-x ACLs: - The mode bits are what we want, so that directories and files inherit their group ownership properly. I haven't setup any local users or groups, nor have I done any mappings, since it supposedly will do that for me. On the Unix side we're using NIS to authenticate, and that seems to be working just fine. Any hints? John

3 4

NetApp SDK for cDOT: any API call fails if a cluster node is not available
by Momonth 31 Mar '16

31 Mar '16

Hi All, We extensively use NetApp API calls to monitor 7Mode filers, and took the same approach for cDOT monitoring. Here is a very unpleasant discovery: 1. Take one node (or more nodes) *offline*, eg power it off for maintenance. 2. Try to run *any* API call against cluster interface and get the following error: OUTPUT: <results reason="RPC: Port mapper failure - RPC: Timed out" status="failed" errno="13001"></results> It effectively makes your cluster wide monitoring useless. Any ideas? Is it a feature or a bug? Cheers, Vladimir

3 9

metro under high latency
by josef radinger 30 Mar '16

30 Mar '16

hi i have a metro cluster (rather old) which is currently responding very slowly. 7-mode 8.1.4 there is only one aggregate per head, filled at around 72% one one head and 79% on the other head. attached is a statit and sysstat -x 1 from one head. i see lots of partial stripes and only several full stripes. i assume this should mean not enough free space, which should imho not be a problem at my aggregates. what is the correct procedure for performing a free space reallocation? i did: * stop all volume-reallocates * disable read_reallocation on all volumes * raid.lost_write.enable off * aggr options aggr0 resyncsnaptime 5 * reallocate start -A -o aggr0 * wait for finish of reallocate * aggr options aggr0 resyncsnaptime 60 * enable read_reallocation on all volumes * reenable all volume-level reallocates my aggregates have options: aggr options aggr0 root, diskroot, nosnap=off, raidtype=raid_dp, raidsize=20, ignore_inconsistent=off, snapmirrored=off, resyncsnaptime=60, fs_size_fixed=off, snapshot_autodelete=on, lost_write_protect=on, ha_policy=cfo, hybrid_enabled=off, percent_snapshot_space=5%, free_space_realloc=off any advice? josef

6 13

any easiest way to run the commands during 7mode to cluster mode
by Yuvaraja Shivaram 26 Mar '16

26 Mar '16

hi All, since 7mode migrations to cluster mode involved lot of commands to be entered at cmode command prompt ,is there any easy way or script where we can run the commands easily. please let me know on that ... regards Yuvaraja

2 1

after snapmirror cutover source volume bacame same size of source...any idea what is the issue?
by Yuvaraja Shivaram 26 Mar '16

26 Mar '16

Hi all, when i performed the snapmirror cutover in 7mode...the destination volume size became the same size of source..any idea what could be problem and how to avoid this in future.. in verson... 8.2p5 regards Yuvaraja

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