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13522 discussions

Netapp virtual storage console for VMWare vSphere
by steve klise 31 Mar '10

31 Mar '10

Running Ontap 7.3.1.1 6040 HA ESX 4.0.0.208167 running on DL380 and BL460's Fiber Channel connectivity I have the console installed in our VIC with the new Netapp snapin and I am able to see the storage and successfully sees all the LUNS. I am having a problem trying to remediate my ESX hosts that are having the typical MPIO issue. i have installed the VMWare ESX agent and it installs. I am still having an issue where the NVSC (netapp virtual storage console) is not remediating the MPIO issue, which is what I would prefer to do then SSH to each ESX host, install, reboot, etc. Call me lazy.. I have tried from different Windows machines, even on the VIC Console where the app (NVSC) is installed. It says performing tasks, then just stops. I do an update, same thing. The MPIO icon never changes to green from red. I have tried different ESX servers, same steps as above, same result. MPIO stays red. Has anyone come acrorss this? -- View this message in context: http://old.nabble.com/Netapp-virtual-storage-console-for-VMWare-vSphere-tp2… Sent from the Network Appliance - Toasters mailing list archive at Nabble.com.

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LUN resignaturing
by Suresh Rajagopalan 27 Mar '10

27 Mar '10

We're running some ESX 4.0 hosts with VMFS and RDM LUNs on our filers running 7.2.6.1. We are planning a upgrade to 7.3.2 Should we expect to do LUN resignatures on VMware after the upgrade? Thanks Suresh

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RE: Balancing load across spindles
by Page, Jeremy 25 Mar '10

25 Mar '10

Can someone confirm that an aggr reallocate would work? I've got a lot of volumes :-) Will an aggr level reallocate work if I have deduped file systems on that aggr? From what I've read a volume level reallocate ignores deduped blocks and we have very high (60%+) dedup levels so a lot of blocks would be left as is. I am wondering if an aggr level reallocate would still move them or not. ________________________________ From: Mike [mailto:hockey@spidernet.net] Sent: Thursday, March 25, 2010 10:15 AM To: Page, Jeremy Subject: RE: Balancing load across spindles Aggr reallocate or vol reallocate From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Page, Jeremy Sent: Thursday, March 25, 2010 3:38 PM To: toasters(a)mathworks.com Subject: Balancing load across spindles If I add new disks to a RG how do I get my old data on the new disks so my reads are spread across all of my spindles? Please be advised that this email may contain confidential information. If you are not the intended recipient, please notify us by email by replying to the sender and delete this message. The sender disclaims that the content of this email constitutes an offer to enter into, or the acceptance of, any agreement; provided that the foregoing does not invalidate the binding effect of any digital or other electronic reproduction of a manual signature that is included in any attachment.

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RE: Balancing load across spindles
by Page, Jeremy 25 Mar '10

25 Mar '10

I've read the information under reallocate but it's not exactly clear what it's doing. When it says it writes contiguous blocks is it doing per RG? Please be advised that this email may contain confidential information. If you are not the intended recipient, please notify us by email by replying to the sender and delete this message. The sender disclaims that the content of this email constitutes an offer to enter into, or the acceptance of, any agreement; provided that the foregoing does not invalidate the binding effect of any digital or other electronic reproduction of a manual signature that is included in any attachment.

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Balancing load across spindles
by Page, Jeremy 25 Mar '10

25 Mar '10

If I add new disks to a RG how do I get my old data on the new disks so my reads are spread across all of my spindles? Please be advised that this email may contain confidential information. If you are not the intended recipient, please notify us by email by replying to the sender and delete this message. The sender disclaims that the content of this email constitutes an offer to enter into, or the acceptance of, any agreement; provided that the foregoing does not invalidate the binding effect of any digital or other electronic reproduction of a manual signature that is included in any attachment.

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153, dedupe study guide
by nick＠nicholasbernstein.com 24 Mar '10

24 Mar '10

Hi all, I've heard that the 153 exam recently added a section on asis. Does anyone know what the relevant study guide is? Thanks in advance, Nick

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performance advisor question
by Kennedy, Jeffrey 23 Mar '10

23 Mar '10

In perf advisor under Overall IOPS by OPtype there is read, write, and other. Anyone know what "other_ops" consists of? From the ever helpful Help tool on perf advisor: Volume object other_ops Number of other operations per second to the volume Thanks. Jeff Kennedy Qualcomm, Incorporated QCT Engineering Compute 858-651-6592 "I cannot undertake to lay my finger on that article of the Constitution which granted a right to Congress of expending, on objects of benevolence, the money of their constituents." -James Madison on the appropriation of $15,000 by Congress to help French refugees

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Re: I/O benchmarking
by Suresh Rajagopalan 23 Mar '10

23 Mar '10

Here are some numbers from crystaldiskmark. On crystaldiskmark the max file size is 1000Mb. The host has 64G of RAM and 8 six-core processors. 1. DL785G6, 100Mb file local disk a. Seq Read 216.5MB/sec Write 78.4MB/sec b. Random 512k Read 58.14MB/sec Write 301.9MB/sec c. Random 4k Read 26.2MB/sec Write 41.3MB/sec 2. DL785G6 100MB file on Filer LUN (NTFS) a. Seq Read 175.1MB/sec Write 100.7MB/sec b. Random 512k Read 103.7MB/sec Write 71.44MB/sec c. Random 4k Read 15.7MB/sec Write 7.6MB/sec 3. DL785G6 1000MB file on local disk a. Seq Read 236.8MB/sec Write 92.7MB/sec b. Random 512k Read 49.71MB/sec Write 217.2MB/sec c. Random 4k Read 1.33MB/sec Write 20.63 4. DL785G6 1000Mb file on filer LUN (NTFS) a. Seq Read 164MB/sec Write 98.8MB/sec b. Random 512k Read 101.1MB/sec Write 63.2MB/sec c. Random 4k Read 13.9MB/sec Write 7.8MB/sec Suresh From: Timothy Naple [mailto:tnaple@BERKCOM.com] Sent: Friday, March 19, 2010 9:21 PM To: Suresh Rajagopalan Cc: Toasters List Subject: RE: I/O benchmarking Suresh, Performance benchmarking is a science that involves many variables. I am not familiar with CrystalDiskMark but I just downloaded the source for 3.0 RC2 and will have a look to see how applicable it could be to a filer vs local disk comparison. Can you add some more details about your configuration? (any options you run with the test, specs/model of the server including controller/RAID card(s), OS on the server, disk model in the server, disks in the filer, model of the filer, ONTAP rev, etc). A lot of detail is going to be required to make any headway or recommendations for a valid test. Thank you, Tim From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Suresh Rajagopalan Sent: Friday, March 19, 2010 8:55 PM To: Toasters List Subject: I/O benchmarking I'm using the free tool Crystaldiskmark to do some I/O comparison between local disk and our filers. On at least one system (SAN connected), the local disk (6 disks in RAID1) consistently comes out ahead in both read and write. Filer is lightly loaded, and this is on a 56 disk aggregate. I'm kind of stumped on this one, and would like to know if: a) Are there any other commonly used benchmarks which I can try with the filers? b) This is on a 2G FC SAN. How much improvement can I expect with 4G or 8G? Thanks Suresh

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Kronberg Monique
by Jerry 20 Mar '10

20 Mar '10

http://cacworldwide.net/Wayne.html

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Re: performance advisor question
by Fox, Adam 17 Mar '10

17 Mar '10

Metadata ops. Lookups, getattrs, etc. -- Adam Fox ------------------------ Typed with my thumbs on a very small keyboard. ________________________________ From: Kennedy, Jeffrey <jkennedy(a)qualcomm.com> To: NDMP List (toasters(a)mathworks.com) <toasters(a)mathworks.com> Sent: Tue Mar 16 21:30:55 2010 Subject: performance advisor question In perf advisor under Overall IOPS by OPtype there is read, write, and other. Anyone know what “other_ops” consists of? From the ever helpful Help tool on perf advisor: Volume object other_ops Number of other operations per second to the volume Thanks. Jeff Kennedy Qualcomm, Incorporated QCT Engineering Compute 858-651-6592 "I cannot undertake to lay my finger on that article of the Constitution which granted a right to Congress of expending, on objects of benevolence, the money of their constituents." -James Madison on the appropriation of $15,000 by Congress to help French refugees

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