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13515 discussions

questions about Snapmirroring LUNs
by Rob Winters 16 Jun '05

16 Jun '05

I'm going through the Online Backup and Recovery Guide, and trying to grok the ins and outs of SnapMirror and LUNs. I have a purely procedural question: If I have a source volume full o' LUNs, do I have to define the LUNs on the destination filer, or will the LUNs and their structure "appear" once the mirror is up. They are essentially files, so I would think the latter, but that's a guess. Once they do appear (or are populated), can I map them to a FC or iSCSI service on the destination filer (albeit read/only)? I also have a utility question: If the LUNs are used for file systems as opposed to database, then the NetApp isn't going to understand the internal structure of that file system, so any given mirrored file-system-in-a-LUN is essentially not synced, and therefore in a "crash-compatible" state, right? And if backed up via NDMP, it would just be a "data blob", right? Is there a product or a feature that will get the NetApp to look inside that LUN, and recognize and deal smartly with, say, a NTFS file system inside of the LUN? Thanks! /// Rob -- Rob Winters, CISSP SAIC, NASA Headquarters ISEM Contract e-mail: Rob.Winters(a)nasa.gov pager: robwinters(a)skytel.com office: (202)651-8591

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X1027 copper gigabit ethernet pci
by Leeds, Daniel 15 Jun '05

15 Jun '05

Who makes this card? Ie who did netapp oem it from?

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automatic "Performance" email
by Charles Bartels 14 Jun '05

14 Jun '05

Hi, Since installing ONTAP 7.0.1R1 I've been receiving 1MB "PERFORMANCE DATA" emails from the filer, along with the weekly system notification. The email consists of hourly stats and is cryptic at best. Is there a setting to stop these emails from being sent to the "autosupport.to" list? (which is what I assume is happening.) -C.

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RE: automatic "Performance" email
by George, Andrew 14 Jun '05

14 Jun '05

from the man pages autosupport.local.nht_data.enable Enables/disables the NetApp Health Trigger (NHT) data autosupport to be sent to the recipients listed in autosupport.to. NHT data is the binary, internal log data from each disk drive, and in general, is not parsable by other than Network Appliance. There is no customer data in the NHT attachments. The default for this option is off. _____ From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Michael Schipp Sent: Tuesday, 14 June 2005 10:17 AM To: Charles Bartels; toasters(a)mathworks.com Subject: RE: automatic "Performance" email Hi all, I have just checked our Filer and found this setting - autosupport.nht_data.enable; I have not been able to find what this is for as yet (but it might be it). -M _____ From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Charles Bartels Sent: Tuesday, 14 June 2005 3:17 AM To: toasters(a)mathworks.com Subject: automatic "Performance" email Hi, Since installing ONTAP 7.0.1R1 I've been receiving 1MB "PERFORMANCE DATA" emails from the filer, along with the weekly system notification. The email consists of hourly stats and is cryptic at best. Is there a setting to stop these emails from being sent to the "autosupport.to" list? (which is what I assume is happening.) -C.

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RE: automatic "Performance" email
by Michael Schipp 14 Jun '05

14 Jun '05

Hi all, I have just checked our Filer and found this setting - autosupport.nht_data.enable; I have not been able to find what this is for as yet (but it might be it). -M ________________________________ From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Charles Bartels Sent: Tuesday, 14 June 2005 3:17 AM To: toasters(a)mathworks.com Subject: automatic "Performance" email Hi, Since installing ONTAP 7.0.1R1 I've been receiving 1MB "PERFORMANCE DATA" emails from the filer, along with the weekly system notification. The email consists of hourly stats and is cryptic at best. Is there a setting to stop these emails from being sent to the "autosupport.to" list? (which is what I assume is happening.) -C.

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RE: automatic "Performance" email
by Johnson, John T. 13 Jun '05

13 Jun '05

I haven't seen the data yet but I'm willing to bet that it's the same type of performance data that comes out of DFM. I'm running 7.0 and will upgrade to 7.0.1R1 soon. I use a script to pluck CPU, network and volume info out of DFM and put it into a MySQL database. I then use PHP to generate graphs based on that data. If the format is something like this: 1118612700 2.3 Then it's Epoch time and a value. In this case, it's my CPU utilization. You just need to know what type of values they are (CPU, network, etc.). PHP has built in Epoch time conversion support and it works great with MySQL. Not to mention there's plenty of free charting tools for PHP out there. I only wish DFM had more exportable values. Any chance NetApp would start capturing SNMP values in DFM? Sorry to get off topic. I agree with John on the notification emails though. Good Luck, John T. Johnson Storage Architect Faegre & Benson, LLP 2200 Wells Fargo Center 90 South Seventh Street Minneapolis, MN 55402 Phone: 612.766.6814 Mailto: JTJohnson(a)Faegre.com -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of John Stoffel Sent: Monday, June 13, 2005 4:17 PM To: Charles Bartels Cc: toasters(a)mathworks.com Subject: Re: automatic "Performance" email Charles> Since installing ONTAP 7.0.1R1 I've been receiving 1MB Charles> "PERFORMANCE DATA" emails from the filer, along with the weekly Charles> system notification. Charles> The email consists of hourly stats and is cryptic at best. Charles> Is there a setting to stop these emails from being sent to the Charles> "autosupport.to" list? (which is what I assume is Charles> happening.) If you don't want NetApp to get them, then you'll have to either turn off autosupport entirely, or try changing autosupport.content to 'minimal'. Or maybe filter them out on the outgoing email gateway, so that they get dropped into the bit bucket when going out. I'm sure you could setup a sendmail filter to process these things before you send them off site. I'm planning on putting a procmail recipe in place so I don't have to see these stats directly, but to keep them logged for posterity. But I'd love to be able to drop them into MRTG or some other tool so I can examine them. Maybe when I get some time I'll bug NetApp about how to look at this data, and possibly how to manage it better. Sorry I don't have a real answer here. John John Stoffel - Senior Staff Systems Administrator - System LSI Group Toshiba America Electronic Components, Inc. - http://www.toshiba.com/taec john.stoffel(a)taec.toshiba.com - 508-486-1087

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Re: A dead f840 ???
by Constantin Bogomolnyi 13 Jun '05

13 Jun '05

Hi , i disagree on this point , i have another 840 it does not have this problem it go by its post check (sensor , watchog , pci scan , memory test , load os) and then it stop and scream : Charging battery dont move ... press control C to abort the charger . Then it resume the boot , once the battery is full . but this 840 simply "freeze" somewhere between pci scan and memory test , nothing else . is it a normal ? CB On Mon, Jun 13, 2005 at 09:49:34AM -0400, July@Zerowait wrote: > I'm getting into this rather late, but has anyone told you yet that you need > to charge the NVRAM battery in all F800 series filers before use? It > usually takes 12-18 hrs to recharge and you CANNOT use the filer until this > is done. There are instructions on how to do this on the NOW site. A new > battery will come uncharged usually, so you'd have the same issue. > > July > ----- Original Message ----- > From: "Constantin Bogomolnyi" <const(a)carpediem.fr> > To: "Venkat Appineni" <appinenv(a)yahoo-inc.com> > Cc: "Constantin Bogomolnyi" <const(a)carpediem.fr>; "George, Andrew" > <georgea(a)anz.com>; <toasters(a)mathworks.com> > Sent: Thursday, June 09, 2005 8:42 PM > Subject: Re: A dead f840 ??? > > > > hi, > > > > well this is a workaround ,not a solution :) > > > > but i still dont understand whats wrong , i mean its impossible to destroy > > the mother board its sleeps deeply inside of the filer , i dont see any > > "physcal" domage , all parts still soldered . > > > > wired wired ... > > > > thnks > > cb > > > > On Thu, Jun 09, 2005 at 05:14:20PM -0700, Venkat Appineni wrote: > > > You might have to replace the Motherboard.. Hope you have support on > > > this system with Netapp.. > > > > > > -Venkat > > > > > > -----Original Message----- > > > From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] > > > On Behalf Of Constantin Bogomolnyi > > > Sent: Thursday, June 09, 2005 4:43 PM > > > To: George, Andrew > > > Cc: Constantin Bogomolnyi; toasters(a)mathworks.com > > > Subject: Re: A dead f840 ??? > > > > > > Hi, > > > > > > the console and the lcd shows the same thing , i mean it depend of how > > > loaded it is , > > > if i leave all cards inside and so pci scan takes longer than if there > > > is no card inside > > > to it freeze at the pci scan , if i remove all cards , it jumps until > > > Testing Memory and freeze at this point > > > so its undependant of the boot stage , but dependant on the number of > > > seconds since the power on . > > > > > > thanks > > > cb > > > > > > On Fri, Jun 10, 2005 at 09:09:31AM +1000, George, Andrew wrote: > > > > Hook up the console and see what it says? > > > > Anything showing on the LED display? > > > > > > > > > > > > -----Original Message----- > > > > From: owner-toasters(a)mathworks.com > > > [mailto:owner-toasters@mathworks.com] > > > > On Behalf Of Constantin Bogomolnyi > > > > Sent: Friday, 10 June 2005 8:44 AM > > > > To: toasters(a)mathworks.com > > > > Subject: A dead f840 ??? > > > > > > > > Hi, > > > > > > > > i just tried to power up an f840 , it freeze approx 45 sec after the > > > > powerup , i tried to remove all cards , and replugged the ram but it > > > > still freeze exactly after 45 sec . > > > > > > > > it look like some "timer" freeze it after N sec . > > > > > > > > maybe the watchdog ?? > > > > > > > > any ideas ? > > > > > > > > thanks > > > > cb > > > > > > > > > > > > > > > > > > > > > > >

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by Melody 10 Jun '05

10 Jun '05

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F720 2 X2030B error
by Leeds, Daniel 10 Jun '05

10 Jun '05

I put a second copper fibre controller in slot 1 of my F720, slot 8 has the other controller. Slot assignments were looked up on now.netapp.com It gives an error during boot about 2 instances of this card but it does work and see all drives etc. I didn't see anything on NOW that indicated this was an issue or what am I missing here?

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/etc/cifs_homedir.cfg question
by Steve Losen 10 Jun '05

10 Jun '05

About eight years ago when we first set up a filer for a home directory service we knew that we were going to have 25K - 30K accounts, so we split up our home directory tree using the first two letters in the user name. For example, our home directory root is /vol/vol0/h1 so my "scl" home directory is: /vol/vol0/h1/s/sc/scl Eight years ago "options cifs.home_dir" only allowed you to specify one directory for CIFS to find home directories. We therefore set up a directory of symbolic links, one for each user, like this: /vol/vol0/home/shares/scl -> /vol/vol0/h1/s/sc/scl and did this: options cifs.home_dir /vol/vol0/home/shares This has been working just fine. I see that ONTAP 7.0.1 uses the file /etc/cifs_homdir.cfg to list the directories that contain CIFS home directories and you can list up to 1000. All of our user names begin with two lower case letters, so we have 26 * 26 = 676 directories. So we could list /vol/vol0/h1/a/aa thru /vol/vol0/h1/z/zz in cifs_homdir.cfg . It occurs to me that a sequential scan of so many directories to find a particular home directory could be costly. It might be smarter for us to just list our one big directory of symbolic links. I know that WAFL uses hashed directories, so finding an entry, even in a large directory, is fast. However, ONTAP might build some sort of look up table keyed by user name to avoid sequentially searching a large list of directories. If this is true, then ONTAP would probably construct this lookup table even if we list just one big directory of symbolic links. If the single big directory has no advantage, then we might as well abandon it. Can anyone at netapp offer a recommendation here? Steve Losen scl(a)virginia.edu phone: 434-924-0640 University of Virginia ITC Unix Support

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toasters