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13529 discussions

Re: Toasters Digest, Vol 46, Issue 5
by Ashwin Pawar 08 May '15

08 May '15

Hi Community, I have this query, can someone provide more information on this. Ability to utilize 2 drives on a filer with Ontap cluster 8.3 ? Thanks, -Ashwin On Thu, May 7, 2015 at 12:00 PM, <toasters-request(a)teaparty.net> wrote: > Send Toasters mailing list submissions to > toasters(a)teaparty.net > > To subscribe or unsubscribe via the World Wide Web, visit > http://www.teaparty.net/mailman/listinfo/toasters > or, via email, send a message with subject or body 'help' to > toasters-request(a)teaparty.net > > You can reach the person managing the list at > toasters-owner(a)teaparty.net > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Toasters digest..." > > > Today's Topics: > > 1. New error message (Mark Flint) > 2. RE: New error message (Borzenkov, Andrei) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Wed, 6 May 2015 15:19:03 +0100 > From: Mark Flint <mf1(a)sanger.ac.uk> > To: Toasters <toasters(a)teaparty.net> > Subject: New error message > Message-ID: <7BF26AD4-5A1C-488A-B416-E254F6D7BE04(a)sanger.ac.uk> > Content-Type: text/plain; charset="windows-1252" > > Or at least, one I?ve not seen before, anyway, error below, does anyone > know what > it?s referring to? > > fmmb.BlobNotFound: blob_id="3", owner="PARTNER", reason="no opaque data > type" > > Thanks, > > ~Mark > > mark.flint(a)sanger.ac.uk > > >

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Retiring an Exchange dataset?
by James Andrewartha 08 May '15

08 May '15

Hi list, We've recently upgraded our Exchange install from 2007 to 2013. As part of this I did a fresh install of SME 7.1.1 on the new mailbox server, which created a new dataset. With all the user data migrated off the off the old mailbox server, I now have a dataset full of archive information. Is there any way to keep it around in case I ever need to restore from it with SMBR, but uninstall Exchange from the mailbox server? Will SME still keep the backup information in that case? Could I maybe just reinstall the management tools? Also, I unmounted the LUNs, moved the volumes to a SATA disks on a different filer using SnapMirror, updated the SnapVault relationship and remounted the LUNs, which worked fine. The dataset itself didn't recognise this update however, and now it's complaining it can't create relationships. Can I just delete the dataset from DFM? Will that delete the data or leave it around? 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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Netapp 4 node cluster aggregate question
by Basil 07 May '15

07 May '15

Hi folks, If I have a 4 node cluster (running 8.2 CDOT) and I want to install 5 shelves of 10k SAS and 5 shelves of 7.2k drives, what would you recommend I do regarding aggregates? Normally on a 2 node cluster, we'd put all the SAS on one node and all the SATA on the other one. In this case, should we ensure that each node has an aggregate and attempt to avoid using the cluster network as much as possible? The work being done is file shares and NDMP backups, both of which tend to run out of CPU and memory before they redline the backend disks. We want to use the processing of all four nodes, so that means we'll be spreading the LIFs across them all. Thanks!

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cDOT 8.2.1P3: removing PSU from a disk shelf went unnoticed for OCUM / Autosupport
by Momonth 06 May '15

06 May '15

Hi, So I've been testing cDOT monitoring for a while now. I'm using OCUM as my primary source of alerts, but also deploying NetApp SDK based checks in nagios. Here is what I noticed on (almost) "live" 6 nodes cDOT cluster, autosupport / OCUM configured and tested: 1. Take a cDOT node in Multi-Path HA / ACP Full Connectivity config (I'd guess this is what most people run). 2. Take a random disk shelf configured on the node in the cluster, it was DS2246 SAS 10K RPM 1.2TB disks in my case. 3. Remove one PSU on the disk shelf. The results: 1. It does not generate Autosupport message about the PSU missing. 2. OCUM doesn't trigger an alert. The only sub-system that noticed the issue is 'event': Time Node Severity Event ------------------- ---------------- ------------- --------------------------- 4/30/2015 12:11:01 na101node-1a WARNING ses.status.psWarning: DS2246 (S/N SHFHU1427000502) shelf 20 on channel 0b power warning for Power supply 1: not installed. This module is on the rear of the shelf at the bottom left. But it didn't go any further. Has anyone else seen this behavior? I wonder if I'm missing some settings etc .. Cheers, Vladimir

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NetApp and VMware Access Path Down (Dead)
by Mike Michalakis 30 Apr '15

30 Apr '15

Has any experienced to following especially with a VMware environment. The storage system is tugging along happily and then you get High request for resources, resulting in CPU and Disk going about 90%. This isn't my question. My question is; within the VMware environment you get High Latency, then "Dead Path" and in the vmkernel.log high "WORLD" counters, this is normally resolved via a reboot of the VMhost, after the APD the NetApp resources go backdown to 0% until the next peak. Is the above considered normal, with high utilization systems, if not what should the behaviour be? OnTap is 8.2.1P2 7-Mode.

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Multiple snapvault snapshots and schedules.
by Jeff Cleverley 29 Apr '15

29 Apr '15

Greetings, I've got a situation where a backup relationship does a nightly backup and a weekly backup. Both go to the same destination. The snapshots are named with the _nightly and _weekly tags. This is file system data and not luns. The problem is not fractional reserve :-) I'm assuming the snapshots are still based on one another and each doesn't have it's own baseline. Is this correct? The problem is someone at a remote site appears to have done a drag and drop which generated ~2 TB of "new" data. The remote site has a very limited WAN. The completion of the current backup session will run for ~2 month before it completes. If I have to do a new baseline, it will also take about that long. Since the snapshots got out of hand, it caused the file system to grow beyond the designated size the volume guarantee has been disabled, and it actually filled up the containing aggregate. I'm hoping to be able to delete one of the SV snapvaults to free space and get things in line space wise. Unfortunately I'm expecting I'll still have to let a 2 month backup run one way or another. If I'll end up with a new baseline anyway, I may as well nuke everything now and start it. At least I'll be able to delete some snapshots and free space. Thanks, Jeff -- Jeff Cleverley IT Engineer 4380 Ziegler Road Fort Collins, Colorado 80525 970-288-4611

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Berk Comm...
by Jeffrey Mohler 28 Apr '15

28 Apr '15

Is there a primary contact for BerkComm on toasters? If there is..Email me separately please. :) _________________________________Jeff MohlerTech Yahoo, Storage Architect, Principal(831)454-6712TW: @PrincipalYahooYM: Supra89ta

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cDOT cluster kernel-service
by Weber, Mark A 28 Apr '15

28 Apr '15

Anyone have a 4-node 2240 cluster running 8.2.x? If so, could you tell me if failover says enabled or disabled when you do a "cluster kernel-service show" in diag mode. I've had a performance case open for months on this cluster and I noticed recently that this cluster says failover is disabled but our 4 node 3220 cluster says enabled. LCNA2::> set d Warning: These diagnostic commands are for use by NetApp personnel only. Do you want to continue? {y|n}: y LCNA2::*> cluster kernel-service show Node State Ver Failover Dump FSM-State ---------- -------- ---- --------- --------- --------- LCNA2-01 enabled 1 disabled enabled CLAM_CORE_ST_NONMASTER_WAITING_FOR_BACKOFF_TIMEOUT LCNA2-02 enabled 1 disabled enabled CLAM_CORE_ST_NONMASTER_WAITING_FOR_BACKOFF_TIMEOUT LCNA2-03 enabled 1 disabled enabled CLAM_CORE_ST_MASTER_WAITING_FOR_HB_TIMEOUT LCNA2-04 enabled 1 disabled enabled CLAM_CORE_ST_NONMASTER_WAITING_FOR_BACKOFF_TIMEOUT 4 entries were displayed. Thanks mark

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Re: Adding DS2246 to FAS2240-2 with existing DS4243
by Francis Kim 28 Apr '15

28 Apr '15

Just be sure to document your cabling carefully, so someone how comes after you down the road, including yourself, to add another shelf will know that your latest DS2246 in your stack is really next-to-the-last in cabling terms. Don’t expect cabling to look pretty after you insert your shelf into the middle of the stack. I’ve recently had ACP housekeeping complain about missing IOMs, even though cabling was all correct after the shelf addition. If disabling and reenabling ACP and cable pull/inserts don’t clear it, you might have to actually pull the IOM and reseat it. All non-disruptive operations as long as you start out from Multipath HA state. Francis Kim | Engineer 510-644-1599 x334 | fkim(a)berkcom.com<mailto:fkim@berkcom.com> BerkCom | www.berkcom.com<http://www.berkcom.com/> NetApp | Cisco | Supermicro | Brocade | VMware On Apr 27, 2015, at 2:09 PM, Aaron Lewis <aaron(a)ivoxy.com<mailto:aaron@ivoxy.com>> wrote: Thanks, Francis. I’ve done a lot of shelf adds, but never inserted into an existing stack. So, I was looking for confirmation from the group. I knew the DL was the quickest way to get an answer that I could trust. Cheers, Aaron From: Francis Kim Date: Monday, April 27, 2015 at 2:04 PM To: Aaron Lewis Cc: "toasters(a)teaparty.net<mailto:toasters@teaparty.net>" Subject: Re: Adding DS2246 to FAS2240-2 with existing DS4243 Yes, you can absolutely hot-add the new DS2246 into your disk stack to get to the configuration you want. The only thing to be careful is to maintain at least a single path at all times. If you want details, I can send you the decabling and recabling sequence for your stack. Francis Kim | Engineer 510-644-1599 x334 | fkim(a)berkcom.com<mailto:fkim@berkcom.com> BerkCom | www.berkcom.com<http://www.berkcom.com/> NetApp | Cisco | Supermicro | Brocade | VMware On Apr 27, 2015, at 1:45 PM, Aaron Lewis <aaron(a)ivoxy.com<mailto:aaron@ivoxy.com>> wrote: Hi all, I have a FAS2240-2 with the following configuration: Existing Stack: 1. DS2246 disk shelf (internal) 2. DS2246 disk shelf (external) 3. DS4243 disk shelf I need to add a new DS2246 to this system and want to maintain the single transition between 6G and 3G so it looks like this: Existing Stack: 1. DS2246 disk shelf (internal) 2. DS2246 disk shelf (external) 3. NEW DS2246 4. DS4243 disk shelf Is it possible to hot-add the DS2246 into the existing stack? The Installation Guide gives the process for adding it to the bottom of the stack, but doesn't explicitly prohibit inserting the shelf and it seems like you could with Multipath HA. Thanks, Aaron _______________________________________________ Toasters mailing list Toasters(a)teaparty.net<mailto:Toasters@teaparty.net> http://www.teaparty.net/mailman/listinfo/toasters

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Adding DS2246 to FAS2240-2 with existing DS4243
by Aaron Lewis 27 Apr '15

27 Apr '15

Hi all, I have a FAS2240-2 with the following configuration: Existing Stack: 1. DS2246 disk shelf (internal) 2. DS2246 disk shelf (external) 3. DS4243 disk shelf I need to add a new DS2246 to this system and want to maintain the single transition between 6G and 3G so it looks like this: Existing Stack: 1. DS2246 disk shelf (internal) 2. DS2246 disk shelf (external) 3. NEW DS2246 4. DS4243 disk shelf Is it possible to hot-add the DS2246 into the existing stack? The Installation Guide gives the process for adding it to the bottom of the stack, but doesn't explicitly prohibit inserting the shelf and it seems like you could with Multipath HA. Thanks, Aaron

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