toasters April 2005

toasters@lists.teaparty.net

59 participants
67 discussions

RE: mrtg config files
by Frank, Jason 21 Apr '05

21 Apr '05

I haven't heard of anything, and haven't nagged them for a year or so. If someone wants to respond though, I'm all ears. Jason -----Original Message----- From: Thomas Nail [mailto:tom.nail@amd.com] Sent: Thu 4/21/2005 9:51 AM To: Frank, Jason Cc: Munn, Stuart; toasters(a)mathworks.com Subject: Re: mrtg config files This is sort of off-topic, but is there any known roadmap for an SNMP v2c or V3 implementation from NetApp? Just curious, since I'm also using cacti and am kind of sick of having to poll NetApp's "all interfaces" traffic OIDs. -=Tom Nail Frank, Jason wrote: > In our house, I dropped MRTG last year, and I'm using Cacti instead (http://www.cacti.net) It works the same as MRTG under the wire, but is much easier to configure and manage. > > Let me guess, your network stats aren't correct on your GigE interfaces? Last time I looked, NetApp insists that SNMP v2c and v3 aren't mature enough for them to bother with. SNMP v1 only supports 32 bit variables, which overflow at about 115 Mbps. To get around that, NetApp provides high and low order 32 bit values for the network counters. You get to do the math yourself. Personally, I've found it much easier to just graph the switch port, which does support v2c. I've not seen any problems with the FE interfaces. > > Jason > > > _____ > > From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Munn, Stuart > Sent: Thursday, April 14, 2005 9:41 AM > To: 'toasters(a)mathworks.com' > Subject: mrtg config files > > > > People, > > > > I've used the filer-mrtg scripts from Now in the past, but I'd prefer to go down the SNMP route, as I suspect the network stats are not working well on the later releases of ONTAP ... Has anyone got some mrtg config files they can share with me? > > > > I've tried using the search archive facility on the mathworks site but It's not much use as it does not sort in date order and you cannot see the whole of the subject! > > > > Any advice welcome... > > > > Cheers > > > > Stuart Munn > > > > SAIC Ltd > > > ------_=extPart_001_01C541D1.3989D04B-- >

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RE: mrtg config files
by Frank, Jason 21 Apr '05

21 Apr '05

In our house, I dropped MRTG last year, and I'm using Cacti instead (http://www.cacti.net) It works the same as MRTG under the wire, but is much easier to configure and manage. Let me guess, your network stats aren't correct on your GigE interfaces? Last time I looked, NetApp insists that SNMP v2c and v3 aren't mature enough for them to bother with. SNMP v1 only supports 32 bit variables, which overflow at about 115 Mbps. To get around that, NetApp provides high and low order 32 bit values for the network counters. You get to do the math yourself. Personally, I've found it much easier to just graph the switch port, which does support v2c. I've not seen any problems with the FE interfaces. Jason ________________________________ From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Munn, Stuart Sent: Thursday, April 14, 2005 9:41 AM To: 'toasters(a)mathworks.com' Subject: mrtg config files People, I've used the filer-mrtg scripts from Now in the past, but I'd prefer to go down the SNMP route, as I suspect the network stats are not working well on the later releases of ONTAP ... Has anyone got some mrtg config files they can share with me? I've tried using the search archive facility on the mathworks site but It's not much use as it does not sort in date order and you cannot see the whole of the subject! Any advice welcome... Cheers Stuart Munn SAIC Ltd

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RE: Snapshot access from CIFS Windows XP SP2 Previous Versions.
by Palmer, Jason (EMEA) 20 Apr '05

20 Apr '05

We have set a policy to de-register the dll on selected machines or users - regsvr32 twext.dll /u /s This removes the previous versions tab when a drive properties are viewed. I do not think our user community are quite ready to facilitate their own restores just yet :o) Jason Palmer -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com]On Behalf Of jeff.mery(a)ni.com Sent: 20 April 2005 14:45 To: Holland, William L Cc: owner-toasters(a)mathworks.com; 'toasters(a)mathworks.com' Subject: RE: Snapshot access from CIFS Windows XP SP2 Previous Versions. Yep....but only on ONTAP 7.0 or better. This allows you to control the visibility of snapshots via the MS Shadow Copy (SC) client. Valid values: off - Disable snapshot access to all MS SC clients xp - Allow snapshot access from only XP SC clients pre-xp - Allow snapshot access from 2000 SC clients Jeff Mery - MCSE, MCP National Instruments ------------------------------------------------------------------------- "Allow me to extol the virtues of the Net Fairy, and of all the fantastic dorks that make the nice packets go from here to there. Amen." TB - Penny Arcade ------------------------------------------------------------------------- "Holland, William L" <hollandwl(a)state.gov> Sent by: owner-toasters(a)mathworks.com 04/20/2005 08:20 AM To "'toasters(a)mathworks.com'" <toasters(a)mathworks.com> cc Subject RE: Snapshot access from CIFS Windows XP SP2 Previous Versions. My guess is that it is somehow related to the cifs.ms_snapshot_mode setting -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:r.stansfield@rri.sari.ac.uk] Sent: Wednesday, April 20, 2005 9:11 AM To: toasters(a)mathworks.com Subject: Snapshot access from CIFS Windows XP SP2 Previous Versions. A colleague has just told me that, with SP2 installed on Windows XP, File, Properties, Previous Versions displays snapshots. This has also come as a surprise to someone else: http://winxp.uwaterloo.ca/Documentation/WXP_SP2_ADSworkstation.htm#Snapshot Is this documented somewhere? Any more information? Roger Stansfield

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RE: Snapshot access from CIFS Windows XP SP2 Previous Versions.
by Holland, William L 20 Apr '05

20 Apr '05

My guess is that it is somehow related to the cifs.ms_snapshot_mode setting -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:r.stansfield@rri.sari.ac.uk] Sent: Wednesday, April 20, 2005 9:11 AM To: toasters(a)mathworks.com Subject: Snapshot access from CIFS Windows XP SP2 Previous Versions. A colleague has just told me that, with SP2 installed on Windows XP, File, Properties, Previous Versions displays snapshots. This has also come as a surprise to someone else: http://winxp.uwaterloo.ca/Documentation/WXP_SP2_ADSworkstation.htm#Snapshot Is this documented somewhere? Any more information? Roger Stansfield

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RE: Snapshot access from CIFS Windows XP SP2 Previous Versions.
by Adams, Tim 20 Apr '05

20 Apr '05

It has to do with how your permissions are setup on the xp machine. If you go to folder options and make sure that you check can not see hidden files or folders or hide protected system files you won't see the snapshot folder. Hope this helps. Tim Adams Technical Analyst - Server Desk Phone: 952-238-2546 iDen: 612-221-5946 DAP: 104*189*26 Fax: 952-238-7346 E-mail: Tim.Adams(a)nextelpartners.com From his neck down a man is worth a couple of dollars a day, from his neck up he is worth anything that his brain can produce. -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Holland, William L Sent: Wednesday, April 20, 2005 8:21 AM To: 'toasters(a)mathworks.com' Subject: RE: Snapshot access from CIFS Windows XP SP2 Previous Versions. My guess is that it is somehow related to the cifs.ms_snapshot_mode setting -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:r.stansfield@rri.sari.ac.uk] Sent: Wednesday, April 20, 2005 9:11 AM To: toasters(a)mathworks.com Subject: Snapshot access from CIFS Windows XP SP2 Previous Versions. A colleague has just told me that, with SP2 installed on Windows XP, File, Properties, Previous Versions displays snapshots. This has also come as a surprise to someone else: http://winxp.uwaterloo.ca/Documentation/WXP_SP2_ADSworkstation.htm#Snaps hot Is this documented somewhere? Any more information? Roger Stansfield This message, including any attachments, contains confidential information intended for a specific individual and purpose and is protected by law. If you are not the intended recipient, please contact sender immediately by reply e-mail and destroy all copies. You are hereby notified that any disclosure, copying, or distribution of this message, or the taking of any action based on it, is strictly prohibited. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The sender accepts no liability for any damage caused by any virus transmitted by this email. E-mail transmission cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission.

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Snapshot access from CIFS Windows XP SP2 Previous Versions.
by Roger Stansfield 20 Apr '05

20 Apr '05

A colleague has just told me that, with SP2 installed on Windows XP, File, Properties, Previous Versions displays snapshots. This has also come as a surprise to someone else: http://winxp.uwaterloo.ca/Documentation/WXP_SP2_ADSworkstation.htm#Snapshot Is this documented somewhere? Any more information? Roger Stansfield

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RE: Snapshot access from CIFS Windows XP SP2 Previous Versions.
by Cory.Wolf＠EmersonProcess.com 20 Apr '05

20 Apr '05

I just discovered the same thing. I did a search on Microsoft's site and read KB Article 888603, which describes some registry edits that can 1) Disable the "Restore" button on the Previous Version Tab 2) Disable the "Previous Versions" tab I tried disabling the "Previous Versions" tab, rebooted and still could see the "Previous Versions" tab. I am continuing to look for a solution, but am interested if anyone else has worked with this issue and has a work around. Thanks, Cory -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Roger Stansfield Sent: Wednesday, April 20, 2005 7:41 AM To: toasters(a)mathworks.com Subject: Snapshot access from CIFS Windows XP SP2 Previous Versions. A colleague has just told me that, with SP2 installed on Windows XP, File, Properties, Previous Versions displays snapshots. This has also come as a surprise to someone else: http://winxp.uwaterloo.ca/Documentation/WXP_SP2_ADSworkstation.htm#Snapshot Is this documented somewhere? Any more information? Roger Stansfield

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Quota-related fixes in ONTAP 7.x
by Chris Thompson 19 Apr '05

19 Apr '05

The various quota-related problems in ONTAP 7.x that were being talked about on toasters last month have fixes according to NOW: 153377 quotas wrongly reverting to default on a "quota resize" supposed to be fixed in 7.0.0.1P4 154530 per-user/group quotas wrongly affecting the results of statvfs() supposed to be fixed in 7.0.0.1P5 Can anyone who has tried these ONTAP versions confirm the fixes? -- Chris Thompson Email: cet1(a)cam.ac.uk

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RE: File Sharing Windows <> NFS Volume on R150 (6.5.2R1) ...
by Sphar, Mike 18 Apr '05

18 Apr '05

Hey, if you can build your own file locking mechanism into Microsoft Office, more power to you! ;) -- Michael W. Sphar - IS&T - Lead Systems Administrator SMBU Engineering Support Services, BMC Software -----Original Message----- From: McCarthy, Tim [mailto:timothy.mccarthy@netapp.com] Sent: Monday, April 18, 2005 6:05 PM To: Sphar, Mike; toasters(a)mathworks.com Subject: RE: File Sharing Windows <> NFS Volume on R150 (6.5.2R1) ... Which is why you write your own locking mechanism ;) --tmac ====================== Tim McCarthy Professional Services/Systems Engineer NetApp Federal Systems, Inc. 410-551-3970 (o) 443-363-0208 (f) tmac(a)netapp.com tmac-pager(a)netapp.com ====================== -----Original Message----- From: Sphar, Mike [mailto:Mike_Sphar@bmc.com] Sent: Monday, April 18, 2005 6:38 PM To: toasters(a)mathworks.com Subject: RE: File Sharing Windows <> NFS Volume on R150 (6.5.2R1) ... A lot of file-locking is dependent on the client, of course. Assuming that an NFS file-lock was put in place, it's still up to the client to decide "Okay, that file is locked for writing; I will just open it up in read-only mode instead." That's my understanding anyway...I've never found nfs-based file locking to be terribly reliable. -- Michael W. Sphar - IS&T - Lead Systems Administrator SMBU Engineering Support Services, BMC Software -----Original Message----- From: McCarthy, Tim [mailto:timothy.mccarthy@netapp.com] Sent: Monday, April 18, 2005 4:27 PM To: Doug Chomyn; toasters(a)mathworks.com Subject: RE: File Sharing Windows <> NFS Volume on R150 (6.5.2R1) ... How about writing a wrapper around the file calls that does very proper file locking? I know....more work...just an idea. --tmac -----Original Message----- From: Doug Chomyn [mailto:chomyn@corefa.com] Sent: Monday, April 18, 2005 3:55 PM To: toasters(a)mathworks.com Subject: Re: File Sharing Windows <> NFS Volume on R150 (6.5.2R1) ... Um, I'm looking at dynamic sharing, where if host 1 has rw, hosts 2, 3, 4 have r only. when host 1 relinquishes w, the hosts 2, 3, 4 have the possibility of opening the file for w since they too have the privilege. McCarthy, Tim wrote: >Why not: >(6.5.1 or higher) >exportfs -p ro=host1:host2:host3,rw=host4:netgroup1:subnet/24 >/vol/vol1/path > >--tmac > >-----Original Message----- >From: Doug Chomyn [mailto:chomyn@corefa.com] >Sent: Monday, April 18, 2005 2:24 PM >To: toasters(a)mathworks.com >Subject: Re: File Sharing Windows <> NFS Volume on R150 (6.5.2R1) ... > >Yes, we have SFU installed on the Windows clients and can easily access >the NFS volumes, but I need the "file share" as if the shared document >was on a Windows NT volume, permissions-wise that is ... > >emilio brambilla wrote: > > > >>hello, >> >>Doug Chomyn wrote: >> >> >> >>>document R only, etc, etc. Ordinarily we would do a re-share via >>>Samba, or perhaps make a CIFS volume share, but I'm trying to reduce >>>complexity (and we're not going to buy a CIFS license) ... anyone >>>have experience >>> >>> >>if you have only a few workstations accesing the storage with windows >>sharing you can try installing on each workstation the "microsoft nfs >>client" you can download from http://www.microsoft.com/windows/sfu/ >> >>we did use this workaround 6 month ago to allow a few windows box to >>access a nfs-only fas270C (the customer has 300 unix boxes and only 2 >>windows clients so he did not agree to buy the cifs license) >> >>it's still working and the customer is habby about it, but we had to >>force the workstation to use nfs over tcp in order to have a stable >>connection >> >>if you need it, this is the registry key you have to set to force tcp >>connection: >>[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Client for >>NFS\CurrentVersion\Default] "PreferTCP"=dword:00000001 >> >> >> > > > >

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RE: File Sharing Windows <> NFS Volume on R150 (6.5.2R1) ...
by McCarthy, Tim 18 Apr '05

18 Apr '05

Which is why you write your own locking mechanism ;) --tmac ====================== Tim McCarthy Professional Services/Systems Engineer NetApp Federal Systems, Inc. 410-551-3970 (o) 443-363-0208 (f) tmac(a)netapp.com tmac-pager(a)netapp.com ====================== -----Original Message----- From: Sphar, Mike [mailto:Mike_Sphar@bmc.com] Sent: Monday, April 18, 2005 6:38 PM To: toasters(a)mathworks.com Subject: RE: File Sharing Windows <> NFS Volume on R150 (6.5.2R1) ... A lot of file-locking is dependent on the client, of course. Assuming that an NFS file-lock was put in place, it's still up to the client to decide "Okay, that file is locked for writing; I will just open it up in read-only mode instead." That's my understanding anyway...I've never found nfs-based file locking to be terribly reliable. -- Michael W. Sphar - IS&T - Lead Systems Administrator SMBU Engineering Support Services, BMC Software -----Original Message----- From: McCarthy, Tim [mailto:timothy.mccarthy@netapp.com] Sent: Monday, April 18, 2005 4:27 PM To: Doug Chomyn; toasters(a)mathworks.com Subject: RE: File Sharing Windows <> NFS Volume on R150 (6.5.2R1) ... How about writing a wrapper around the file calls that does very proper file locking? I know....more work...just an idea. --tmac -----Original Message----- From: Doug Chomyn [mailto:chomyn@corefa.com] Sent: Monday, April 18, 2005 3:55 PM To: toasters(a)mathworks.com Subject: Re: File Sharing Windows <> NFS Volume on R150 (6.5.2R1) ... Um, I'm looking at dynamic sharing, where if host 1 has rw, hosts 2, 3, 4 have r only. when host 1 relinquishes w, the hosts 2, 3, 4 have the possibility of opening the file for w since they too have the privilege. McCarthy, Tim wrote: >Why not: >(6.5.1 or higher) >exportfs -p ro=host1:host2:host3,rw=host4:netgroup1:subnet/24 >/vol/vol1/path > >--tmac > >-----Original Message----- >From: Doug Chomyn [mailto:chomyn@corefa.com] >Sent: Monday, April 18, 2005 2:24 PM >To: toasters(a)mathworks.com >Subject: Re: File Sharing Windows <> NFS Volume on R150 (6.5.2R1) ... > >Yes, we have SFU installed on the Windows clients and can easily access >the NFS volumes, but I need the "file share" as if the shared document >was on a Windows NT volume, permissions-wise that is ... > >emilio brambilla wrote: > > > >>hello, >> >>Doug Chomyn wrote: >> >> >> >>>document R only, etc, etc. Ordinarily we would do a re-share via >>>Samba, or perhaps make a CIFS volume share, but I'm trying to reduce >>>complexity (and we're not going to buy a CIFS license) ... anyone >>>have experience >>> >>> >>if you have only a few workstations accesing the storage with windows >>sharing you can try installing on each workstation the "microsoft nfs >>client" you can download from http://www.microsoft.com/windows/sfu/ >> >>we did use this workaround 6 month ago to allow a few windows box to >>access a nfs-only fas270C (the customer has 300 unix boxes and only 2 >>windows clients so he did not agree to buy the cifs license) >> >>it's still working and the customer is habby about it, but we had to >>force the workstation to use nfs over tcp in order to have a stable >>connection >> >>if you need it, this is the registry key you have to set to force tcp >>connection: >>[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Client for >>NFS\CurrentVersion\Default] "PreferTCP"=dword:00000001 >> >> >> > > > >

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toasters April 2005