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13531 discussions

RE: Appending backups to tapes
by Fox, Adam 24 May '01

24 May '01

I guess I mis-read your question. To *not* append a backup, use a rewinding device. That will automatically rewind the tape at the end of the backup and then you're done. -- Adam Fox NetApp Professional Services, NC adamfox(a)netapp.com > -----Original Message----- > From: Chris Thompson [mailto:cet1@cus.cam.ac.uk] > Sent: Thursday, May 24, 2001 9:41 AM > To: john.f.mclaughlin(a)lmco.com > Cc: toasters(a)mathworks.com > Subject: Re: Appending backups to tapes > > > "John F. McLaughlin" <john.f.mclaughlin(a)lmco.com> writes > > > > I would like to know if it is possible not to append a backup to a > > previous backup tape. > > Possible *not* to append to a previous tape? Surely: take the > tape away > and lock it up in a safe where the filer can't work its evil ways with > it... :) > > Can you clarify what you mean here? Are you having some problem with > dumps being appended to a tape when you intended to use a new one? > Are you using basic dump/restore commands, or an NDMP > product, or what? > Manually loaded tape drive, or a stacker, or an all-singing > all-dancing > robot? etc. ... > > Chris Thompson University of Cambridge > Computing Service, > Email: cet1(a)ucs.cam.ac.uk New Museums Site, Cambridge CB2 3QG, > Phone: +44 1223 334715 United Kingdom. >

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Appending backups to tapes
by John F. McLaughlin 24 May '01

24 May '01

I would like to know if it is possible not to append a backup to a previous backup tape.

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RE: Appending backups to tapes
by Fox, Adam 24 May '01

24 May '01

It should be. It kind of depends on the software you are using. If you're just using our dump and mt commands on the filer, then just use non-rewinding tape devices and dump again. Then when you do finally rewind you can use mt to fast forward past a specific number of EOFs. Other backup software may have this feature built-in and I can't speak for most of them, but at least natively it's possible. -- Adam Fox NetApp Professional Services, NC adamfox(a)netapp.com > -----Original Message----- > From: John F. McLaughlin [mailto:john.f.mclaughlin@lmco.com] > Sent: Thursday, May 24, 2001 6:13 AM > To: toasters(a)mathworks.com > Subject: Appending backups to tapes > > > I would like to know if it is possible not to append a backup to a > previous > backup tape. >

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RE: interface fun
by Fox, Adam 23 May '01

23 May '01

I need to retract this statement. I was working off of outdated info. This does *not* work. However, the on-board on the F840 does support VLAN tagging (which I think was another one of your questions). I researched this while I was verifying my first response. Sorry about that. Was working off of faulty memory cells. :) -- Adam Fox NetApp Professional Services, NC adamfox(a)netapp.com > -----Original Message----- > From: Fox, Adam > Sent: Wednesday, May 23, 2001 5:22 PM > To: 'kevin graham'; toasters(a)mathworks.com > Subject: RE: interface fun > > > > > > Since I don't have the extra interfaces to play with, does > > anyone know if > > a VIF made up of vlan'able interfaces can also be vlaned? > > Rolling all of > > our interfaces into a VIF then VLAN'ing that would be > beautiful, but I > > don't want to go to the trouble having someone persue it if its not > > currently feasible. > > This is in fact true. You can create a big vif and then use vlan > tagging to get up to 4 vlans per vif. This requires at least ONTAP > 6.1. > > -- Adam Fox > NetApp Professional Services, NC > adamfox(a)netapp.com > >

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NetApp F720 -- Password recovery
by Rafi Khardalian 23 May '01

23 May '01

Anyone know how to reset the password and configuration on an F720, without physically having the boot disks? In the past, I called NetApp support with the same problem, at which point I was given instructions on how to emulate a floppy boot. Unfortunately I misplaced this valuable piece of information. The only part I recall is setting a variable at the "ok"/bios prompt named something like ?floppy-boot?. Help would be greatly appreciated. Thanks. Rafi Khardalian Senior System Administrator Pennyweb, Inc.

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RE: interface fun
by Fox, Adam 23 May '01

23 May '01

> > Since I don't have the extra interfaces to play with, does > anyone know if > a VIF made up of vlan'able interfaces can also be vlaned? > Rolling all of > our interfaces into a VIF then VLAN'ing that would be beautiful, but I > don't want to go to the trouble having someone persue it if its not > currently feasible. This is in fact true. You can create a big vif and then use vlan tagging to get up to 4 vlans per vif. This requires at least ONTAP 6.1. -- Adam Fox NetApp Professional Services, NC adamfox(a)netapp.com

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RE: NetApp F720 -- Password recovery
by Fox, Adam 23 May '01

23 May '01

On a pre-6.0 system, you halt to the ok prompt, then do the following: ok setenv floppy-boot? true ok boot Then part way up it will ask floppy booy? Type yes, then you get to the 1-5 menu. 3 is password recovery. Just remember to unsetenv that variable when you are done. Otherwise everytime you reboot, it will stop and ask if you want to floppy boot. This could be a real pain down the line. If you are on a 6.x or later, you can hit CTRL-C at a sepcified time (it will tell you) in the boot process and it will go there automagically. Of course, we ALWAYS recommend having working boot floppies around just in case. It's a good idea for emergencies. -- Adam Fox NetApp Professional Services, NC adamfox(a)netapp.com > -----Original Message----- > From: Rafi Khardalian [mailto:toasters@pennyweb.com] > Sent: Wednesday, May 23, 2001 4:33 PM > To: toasters(a)mathworks.com > Subject: NetApp F720 -- Password recovery > > > Anyone know how to reset the password and configuration on an > F720, without > physically having the boot disks? In the past, I called > NetApp support with > the same problem, at which point I was given instructions on > how to emulate > a floppy boot. Unfortunately I misplaced this valuable piece of > information. The only part I recall is setting a variable at > the "ok"/bios > prompt named something like ?floppy-boot?. > > Help would be greatly appreciated. Thanks. > > Rafi Khardalian > Senior System Administrator > Pennyweb, Inc. >

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interface fun
by kevin graham 23 May '01

23 May '01

It seems that .1Q isn't supported on the 760's onboard 100mbit interface and that only the "FastEnet-10/100 Ethernet Controller" will do it (besides the gige ints). Is this the onboard for the 840, or is it orderable as a separate part#? Since I don't have the extra interfaces to play with, does anyone know if a VIF made up of vlan'able interfaces can also be vlaned? Rolling all of our interfaces into a VIF then VLAN'ing that would be beautiful, but I don't want to go to the trouble having someone persue it if its not currently feasible. Also, does anyone know the difference in the GigE II and GigE III? I know the I was an Alteon, the II is an Intel, how about the III? I was wondering about jumbo framing in a VIF, and noticed the SAG said jumbo frames were available on a trunked GbE II -- should this reead Gb III instead? since the GbE II only does 1500 in standalone, why would the the limitation go away in a vif? Docs also state that mixed MTU's are unsupported. While this makes sense for a multimode trunk, it wouldn't seem to be necessary for a singlemode (ie, the vif adopts the mtu of the active interface). Does Ontap enfore the lowest mtu of all interfaces irregardless of trunk mode? Thanks.. ..kg..

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test post ignore
by Hoot Judkins 23 May '01

23 May '01

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740 ndmp backups
by Leonard, Roger 23 May '01

23 May '01

I am backing up a 740 with veritas using the "3 way ndmp" config. i.e. the 740 is backing up via ndmp to an 840 with a dlt8000 directly attached to it. the network is ATM LANE with combo of 1.5mbps and 622mbps. my performance is real bad, like 1 mb/s for a backup. has anyone had any experience with this type of scenario and have any suggestions?? i am going to try the NFS type backup as an experiment but would like to get ndmp to work properly.

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