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13515 discussions

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

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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

2 1

Transition snapmirror to regular snapmirror
by Basil 23 Mar '16

23 Mar '16

I am trying to migrate a replicated volume to CDOT, but I can't use 7mtt. My plan is to set up a transition snapmirror and do the cutover manually. I can't start the regular snapmirror of the CDOT transition snapmirror target, though. I get "Using a transition volume as a snapmirror source volume is not supported". I have a long outage window, but would prefer to pre-seed the mirror of the new volume. What would you folks suggest?

5 7

any good doc for cluster mode , please share with me
by Yuvaraja Shivaram 22 Mar '16

22 Mar '16

hi all, i am new user to this site.. any good doc for cluster mode , please share with me

2 1

Moving shelves with root aggr and root vol (7-mode) from one Filer to another
by Martin 22 Mar '16

22 Mar '16

Hi, I have one 7-mode Filer that I will be decommissioning which has data on it I need to migrate to another 7-mode Filer. We don't have space to mirror the data to the new Filer, want to reuse the shelves on the new Filer and this is a quicker cut over. The four DS4243 shelves have a single aggregate (aggr0) with various volumes on it (exported via NFS) including the root volume for the controller (vol0). I found the KB on moving shelves and aggregates between controllers but it doesn't mention what to do about a Filer that has vol0 and root aggr on the shelves. My plan is: 1. Disable disk auto assign on both source and destination Filer on both controllers options disk.auto_assign off 1. Reboot the source controller into maintenance mode 2. Offline aggr0 aggr offline aggr0 3. Uknown the disks on the shelves on the source controller disk assign disk_name -s unowned -f 4. Shutdown the Source Filer and power off along with shelves 4. Power down the destination Filer and add SAS card to new Filer (not enough SAS ports for new loop) 5. Physically moves shelves from source Filer to destination Filer 6. Cable shelves and change shelf IDs along with a powercycle to ensure shelf IDs don't conflict 7. Assign the disks on the new Filer disk assign disk_name 8. As the aggregate is aggr0 and new Filer also has aggr0 it gets renamed to aggr0(1) and foreign 9. Check the status of the new aggregate aggr status aggr_name 10. Rename the new aggregate from aggr0(1) to aggr1 aggr rename aggr0(1) aggr1 11. Online the aggregate on the destination Filer as it is longer labelled as foreign aggregate. aggr online aggr1 12. Check the aggregate status on the destination Filer aggr status aggr1 13. Export the volumes on the destination Filer via /etc/exports and exportfs -r -- View this message in context: http://network-appliance-toasters.10978.n7.nabble.com/Moving-shelves-with-r… Sent from the Network Appliance - Toasters mailing list archive at Nabble.com.

6 8

disk ownership question
by Mark Flint 22 Mar '16

22 Mar '16

Hi list. I have a 3170 running 8.0P1 7-Mode, and am having a problem with auto-assignment of disks. The unit reports that it can’t do auto-assign, because not all of the disks on the loop are owned by the same controller. I was under the impression that software ownership made that unnecessary (you can laugh), but it seems not. KB from 2014 says the same thing. So, question is, has anyone done anything like this (had to reassign a shedload of disks) to make auto-assign work, and could they pass any info on how I can fix this please? Thanks, Mark

3 2

Qtree snapmirror throttle?
by Basil 22 Mar '16

22 Mar '16

Does anyone know if I can throttle a qtree snapmirror on 7-mode?

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