Re: Clustered DOT - Changing FC to initiator
Hello.Thisi is the output: fas2554::> system node hardware unified-connect show Current Current Pending Pending AdminNode Adapter Mode Type Mode...
View ArticleHalf of Drives in a Shelf Use One Slot/Port, The Other Half Uses Another
I am making plans to remove three unused shelves from a 7-mode system. The three shelves form a complete stack so it's pretty straightforward, however I noticed that one of the three shelves contain...
View ArticleRe: SnapMirror Network Ports
thanks for reply - Yes - but will snapmirror use 10565-10569 once the intercluster networking is configured? Or will it use 11104 and11105? For example, look at this link:...
View ArticleRe: Clustered DOT - Changing FC to initiator
Yes, you can do takover/giveback to activate pending changes. It should be non-disruptive for FC connections, assuming proper multipathing setup. CIFS is generally disruptive, although in practice...
View ArticleRe: Half of Drives in a Shelf Use One Slot/Port, The Other Half Uses Another
You shelf has dual-path connection and Data ONTAP tries to balance access across two connected HBAs. So it is normal, nothing to be concerned about.
View ArticleRaid-DP Vs Raid-6
Hello Everyone,Could someone shed some light as to how the 2nd parity bit is calculated for both RAID-DP and RAID-6. Is it the same?I understand ,the only difference between RAID-6 and RAID-DP is that,...
View ArticleRe: Half of Drives in a Shelf Use One Slot/Port, The Other Half Uses Another
Thank you aborzenkov, that is helpful. Why would some shelves show the same slot/port for every disk in the shelf, and others like the one I'm referencing in this post? For example, another shelf in...
View ArticleWhat are these snapshots that appear on my vol0?
I've been noticing some oddly named snapshots show up on vol0 on a system where I have snapshots completely turned for vol0. Anyone else ever see these or know what causes them? FWIW: this is an 8.3.2...
View ArticleHoneypot for crypto viruses
Hello, We are a University with around 20'000 users with all their files on NetApp filers running ONTAP 9.0/CDOT, and from time to time, we have users who get infected with a crypto-virus and starts...
View ArticleRe: Raid-DP Vs Raid-6
Hi Please check the below link for in-detail explanation about raid-DP http://community.netapp.com/t5/Tech-OnTap-Articles/Back-to-Basics-RAID-DP/ta-p/86123?REF_SOURCE=EMMtot-1110&h Raid6:...
View ArticleNFS rsize/wsize
Hi, ONTAP 9.1RC1RHEL 5.7 I just migrated from Isilon to NetApp and I notice from a Linux 5.7 host, it used to have much larger rsize/wsize (128k/512k) but now has 64k/64k when mounted onto...
View ArticleRe: What are these snapshots that appear on my vol0?
Hi, Please try running volume snapshot policy modify -enabled false. refer https://library.netapp.com/ecmdocs/ECMP1610202/html/volume/snapshot/policy/modify.html
View ArticleRe: Raid-DP Vs Raid-6
Thank you very much for the reply, much appreciate it. So i went through the docs and i think i am correct in thinking that raid-6 and raid-dp the parity calculation is same,that is one horizontal and...
View ArticleRe: SnapDrive for ONTAP 9.0P1
So the answer was: SnapDrive 7.1.3P3 is a buggy version. I had to go back to 7.1.2 to get this to work. Now with 7.1.4 it works even better because of better ONTAP 9 support. Then I had a lot of other...
View ArticleOntap select evaluation license issue
I managed to get evaluation template DataONTAPv-esx-standalone.ova for single node cluster and i was able to bypass the ontap deploy as i had to deploy ontap select on nfs datastore, during the initial...
View ArticleRe: NFS rsize/wsize
TR-4067 covers the max rsize/wsize on page 16. http://www.netapp.com/us/media/tr-4067.pdf Max xfer size is 1MB. The server defaults to 64k. You'd have to change the option on the server to get larger...
View ArticleRe: What are these snapshots that appear on my vol0?
Those snapshot names correspond with the system configuration backup. The system is likely taking a temporary snap to protect the backup in case something happens. You can see the system configuration...
View ArticleRe: snapdrive snap create failed
We have the same issue. Did you found an solution for this problem ?
View ArticleRe: What are these snapshots that appear on my vol0?
I confirmed my 'volume snapshot policy' for 'none' was -enable=false. ... and yes, these snapshots do seem to line up with the confuration backups that are occuring. Hadn't thought of that. However,...
View ArticleDid Name Mapping (Kerberos to UNIX) changes between Ontap 8.3 and 9.X ?
Hi, We are testing an upgrade to Ontap 9.0 & 9.1rc from Ontap 8.3; This name mapping works in Ontap 8.3:Kerberos to UNIX:Pattern: (.+)\$@DOMAIN.COM Replacement: nfsuser This name mapping doesn't...
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