toasters

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13513 discussions

Re: ndmpcopy - do incrementals work?
by Daniel Quinlan 21 Oct '97

21 Oct '97

> Do incremental updates work with ndmpcopy or are you stuck doing it > all in a single level 0 chunk? > > We are running 4.2aD9 and I have about 25 GB of data to move around. > A level 0 ndmpcopy looks like it will take about 5 hours. Okay, I just read in the ndmpcopy manual that you need 4.3 to do this. Assuming that's true. Can I do an ndmpcopy at level 0 and then do a level 1 dump/restore via a Unix client? - Dan

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ndmpcopy - do incrementals work?
by Daniel Quinlan 21 Oct '97

21 Oct '97

Do incremental updates work with ndmpcopy or are you stuck doing it all in a single level 0 chunk? We are running 4.2aD9 and I have about 25 GB of data to move around. A level 0 ndmpcopy looks like it will take about 5 hours. - Dan

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dump-restore filer to filer
by Daniel Quinlan 19 Oct '97

19 Oct '97

I would like to do a dump-restore directly from one filer to another. Having not done this before, and having the requirement of doing it right, I'd like to ask if anyone else on the list has experience doing this. Here are the details: "source" filer path is "/dir/foo" - a normal directory "dest" filer path is "/dir-foo" - a quota tree "source" is an F540 running 4.1d "dest" is an F630 running 4.2aD9 The directory I want to move contains about 25 GB of data, which changes relatively frequently. First, I'll be doing a level 0 dump, and then a level 1 dump afterwards. Dan

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Re: NT sp3 and CIFS
by Andrew Bond 15 Oct '97

15 Oct '97

Please also note that if you are using a PDC with NT4 SP3 (or NT3.51 SP5), you may have similar problems due to smb signing being disabled. Please refer to http://www.microsoft.com/kb/articles/q161/3/72.htm The cleartext password document is http://www.microsoft.com/kb/articles/q166/7/30.htm Thanks and best regards, Andrew Bond Network Appliance Systems Engineer South House 3, Bond Avenue, Milton Keynes, MK1 1SW tel: +44 (0)1908-646688 fax: +44 (0)1908-645996 mobile: +44 (0)468-425236 http://www.netapp.com

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Re: NT sp3 and CIFS - URL's
by Andrew Bond 15 Oct '97

15 Oct '97

I thought I'd just check the URL's I gave earlier, and found that they have moved. Here are the new locations: SMB signing: http://support.microsoft.com/support/kb/articles/Q161/3/72.asp Cleartext passwords: http://support.microsoft.com/support/kb/articles/Q166/7/30.asp >Return-Path: <madhatta(a)turing.mathworks.com> >X-Sender: frant(a)pop3.demon.co.uk (Unverified) >Date: Wed, 15 Oct 1997 16:15:01 +0100 >To: Mike Horwath <drechsau(a)tiny.net>, matthew zeier <mrz(a)3com.com> >From: Andrew Bond <andrewb(a)netapp.com> >Subject: Re: NT sp3 and CIFS >Cc: toasters(a)mathworks.com > >Please also note that if you are using a PDC with NT4 SP3 (or NT3.51 SP5), >you may have similar problems due to smb signing being disabled. > >Please refer to http://www.microsoft.com/kb/articles/q161/3/72.htm > >The cleartext password document is >http://www.microsoft.com/kb/articles/q166/7/30.htm > > >Thanks and best regards, > >Andrew Bond Network Appliance >Systems Engineer South House 3, Bond Avenue, Milton Keynes, MK1 1SW >tel: +44 (0)1908-646688 fax: +44 (0)1908-645996 >mobile: +44 (0)468-425236 http://www.netapp.com > >

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NT sp3 and CIFS
by matthew zeier 15 Oct '97

15 Oct '97

Has anyone been able to use CIFS off an filer after installing NT 4.0 service pack 3? I can still mount shares from other NT boxes or 95 machines but not from any of my filers. Dunno if this is a bug with the filter (4.1dD4) or the service pack. - mz -- matthew zeier -- mrz(a)3com.com -- 3Com EWD Engineering -- 408/764-8420 ...................................................................... "Y el mundo se mueve, mas rapido y mejor." - Fey

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Re: NT sp3 and CIFS
by Tracy Howard 14 Oct '97

14 Oct '97

You can also refer to the following Tip and Technique document on NOW (NetApp's online support site). The document provides links to several other documents to get additional information about NTSP3 and CIFS. http://now.netapp.com/cgi-bin/tans/tanview.cgi?tan=1132 If you do not have an account for NOW, fill out the request for password to get into the site. At 01:19 PM 10/14/97 -0500, Mike Horwath wrote: >On Tue, Oct 14, 1997 at 10:06:59AM -0700, matthew zeier had written: >> >> Has anyone been able to use CIFS off an filer after installing NT 4.0 >> service pack 3? I can still mount shares from other NT boxes or 95 >> machines but not from any of my filers. Dunno if this is a bug with the >> filter (4.1dD4) or the service pack. > >After installing SP3, NT defaults to encrypted passwords. > >You need to turn that off. > >The MS knowledgebase system can tell you how to fix it, but I can't >remember the article number. > >-- >Mike Horwath IRC: Drechsau LIFE: Lover drechsau(a)yuck.net >Visi: info(a)visi.com drechsau(a)Geeks.ORG >Twin Cities area Internet Access: 612-288-0880 for more info >The founding member of Minn. Coalition for Internet Accessibility > > *********************************************************** Tracy Howard Customer Satisfaction NOW Project Manager tracy(a)netapp.com

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quota overhead questions
by Daniel Quinlan 14 Oct '97

14 Oct '97

Howdy. Can someone tell me the performance impact of using quotas (all types)? How much disk space and memory is used to store quota information? How long does a "quota off; quota on" take to complete on a fully- populated filesystem? Thanks. Dan

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Re: DLT stackers for NetApp?
by Arnie Thompson 14 Oct '97

14 Oct '97

At 03:29 PM 10/13/97 -0500, Gregory Gulik wrote: > >I heard once that the NetApps support DLT stackers (not >libraries) so you can automatically do multi-volume backups >without manual intervention. We support the DLT4700 and Breece-Hill Q2.15 devices in stacker mode with our native "dump" command. Using NDMP with a control host allows you to use the library mode of these devices as well. NDMP allows the control host to manipulate the jukebox robotics. > >Is this true? > >If so, which tape stackers are supported? > > > >

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Re: DLT stackers for NetApp?
by sirbruce＠ix.netcom.com 14 Oct '97

14 Oct '97

On 10/13/97 17:02:01 you wrote: >+--- In our lifetime, "Gregory Gulik" <greg(a)wwa.com> wrote: >| >| >| I heard once that the NetApps support DLT stackers (not >| libraries) so you can automatically do multi-volume backups >| without manual intervention. > > >Not sure which models are supported. Anything that is simply a tape drive that runs in a "stacker" or "autoloader" mode (not a "smart" library mode) should work. I have had great success with Quantum's DLT-4700, and I believe (not positive) that for 7000-level backup, the Breece Hill Q.45 was currently the recommended choice. However, I don't see why something like the DLTStor from Quantum wouldn't work with a 7000 in it, or something like a DLT-7700, if they ever release such a product. >The problem with hanging a >stacker off of the filer (or any machine for that matter) is that >they have a strong tendency to hang. Thus you need to reboot the filer >to clear the scsi fault. Not something I can do too frequently >to my filer :) Having done literally thousands of backups on Netapp equipment, I can honestly say that I've *never* had this problem. Tape drives may go bad, but I've never had it just "hang" due to a SCSI problem between it and the filer that requires a reboot. >Not sure if being able to send a scsi reset to the bus would clear the >fault. Perhaps that would be an interesting feature request.... If the bus is truly "hung", any attempt to talk to the tape drive will hang, and the bus will automatically be reset after failed attempts to talk to the drive. So any old mt command should work. If this is not happening for you, I suspect the problem isn't a SCSI bus "hang" per se, but is in fact something else. Certainly, power-cycling the tape drive should clear any problems; if you have to power-cycle the filer, I'm tempted more the believe that you had a "dump in progress" according to the filer's internal state (which is, IMHO, a problem, but a different one from what you mention). If it really is SCSI problems, I would encourage you (if you haven't already) to contact Netapp support... it could be something as simple as termination, or you might need a new cable or SCSI card. Finally, one could always suspect the DLT drive itself as having bad firmware or some other hardware problem... I can tell you that the DLT-4700 does work, so if you can get one to test, you might be able to use that the isolate where the problem is before fiddling with other components. Perhaps I am taking your description of a bus hang too literally, and you actually are experiencing a different problem, but in that case I would need more detail to help. Bruce

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