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13515 discussions

RE: Clearcase and Netapp
by Jain, Maneesh 27 Jun '03

27 Jun '03

Hi Rahul, Some answers: a) I would have a separate volume with at least 6 to 8 disks. b) Yes, you could but I wouldn't recommend it. It just makes things more complicated to troubleshoot. c) Yes. d) It depends on what other data you have on that same volume. If it is just home directory or just files then it really doesn't matter. You have to lock the VOB, snapshot the volume where the VOB data is and then unlock the VOB. Most of this is covered in here: http://www.netapp.com/tech_library/3111.html Let me know if you have more questions. Maneesh -----Original Message----- From: Kumar, Rahul [mailto:rahul.kumar@eds.com] Sent: Friday, June 27, 2003 3:24 AM Cc: toasters(a)mathworks.com Subject: Clearcase and Netapp Hi All, Can somebody provide me a little help with Clearcase and Netapps a) Is is recommended to have a different volume dedicated for Clearcase Related Data. b) Can I have a single volume to accommodate the CC-Vobs & other data. c) As far as I understand we need to have "nvfail on" for the volume related to clearcase d) Backing up or taking snapshot for the CC data requires to have the "vobs locked" during that time. How does that come into picture if I have a different volume for clearcase vesrus having a mixture of all the data on one volume Regards Rahul Kumar

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iSCSI license for the Simulator
by Stephane Bentebba 27 Jun '03

27 Jun '03

hi, where can I find a license for the netapp simulator ? fku -- -- jetez un oeil ici http://www.sensiva.com/ -- -- have a look here http://www.sensiva.com/ --

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RE: Question about mirroring
by jeff.mery＠ni.com 27 Jun '03

27 Jun '03

Actually, this would require at least one trust to be established between NTDom1 and NTDom2. NTDom2 must be trusting of NTDom1 in order for FilerB to see the Global Groups in NTDom1. If there's no trust, then there isn't a way to see/use the groups in the other domain. However, once you create the trust, you shouldn't have to do anything else (i.e. no local groups to manage). FilerB should be able to see all groups in NTDom1. Now assuming that this is for disaster recovery, there is a small problem. Let's say Mr. Stay-Puft takes out SiteA. NTDom1 no longer exists so FilerB is unable to resolve SID information on NTDom1 global groups (the effect is no access for anyone with an account in NTDom1). A simple, but effective remedy for this would be installing a BDC for NTDom1 one at SiteB. When Mr. Stay-Puft comes around, all you have to do is promote the BDC for NTDom1 at SiteB to the PDC for NTDom1. FilerB won't have any problems in this case. Jeff Mery, MCP National Instruments -------------------------------------------------------------------------- -- "Allow me to extol the virtues of the Net Fairy, and of the fantastic dorks that make the nice packets go from here to there. Amen." TB (www.penny-arcade.com) -------------------------------------------------------------------------- -- -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Holland, William L Sent: Friday, June 27, 2003 4:37 AM To: 'toasters(a)mathworks.com' Subject: RE: Question about mirroring An idea I came up with and am currently testing is: Connect to FilerA via a Win2K management console and add local groups. Then add users from NTDom1 to the FilerA groups. These groups would, of course, have to be documented so that they can be created on FilerB in NTDom2 should the need ever arise. The groups on FilerB would then be populated with users from NTDom2. This seems like it would preserve the overall security structure of the volumes being mirrored and not require any significant reconfiguration on NTDom2. -----Original Message----- From: Manish Anand Kinnerkar [mailto:Mak@wipro.co.in] Sent: Friday, June 27, 2003 2:48 AM To: toasters(a)mathworks.com Subject: RE: Question about mirroring This would be like a practical Disaster recovery scenario, I believe FilerB will have all shares of FilerA intact within itslef. After we make the mirror copy read write , the only problem we face now is that the acl's on the shares are useless , as the uids/domain do not exist.The authentication for this domain ceases to exist and thereby access is not possible at share level. FilerB cannot be a member of multiple domains at the same time, and will continue to reside in NTDom2 domain. Now it will be upto the administrator to manage these shares . Most logical thing to do would be to reassign them to new userids ( corresponding to old users of NTDom1) in current domain NTDom2 as NTDom1 has ceased to exist. Or create the NTDom1 domain all over again , but reassign share to the recreated userids. Experts on Windows Domain architecuture please comment on the same, coz frankly i'm not an expert in Windows :) regards, Mak. -----Original Message----- From: Holland, William L [mailto:hollandwl@state.gov] Sent: Thu 6/26/2003 6:24 PM To: 'toasters(a)mathworks.com' Cc: Subject: Question about mirroring Scenario: FilerA is installed at SiteA mirroring to FilerB at SiteB. Both are in Windows networks and both are using CIFS. SiteA is in NTDom1 and SiteB is in NTDom2. NTDom1 and NTDom2 are Windows NT domains, Active Directory is not implemented, and their is no trust relationship between the two NT Domains. FilerA has been using global groups and users from NTDom1 on its ACL's. SiteA along with FilerA ceases to exist for whatever reason. SiteB breaks the mirror and brings the volumes mirrored from FilerA online. Is it possible to access the files on those shares since NTDom1 no longer exists?

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Renaming Administrator
by Holland, William L 27 Jun '03

27 Jun '03

Is it possible to rename the default Administrator account to something else?

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RE: Renaming Administrator
by Charles Roufay 27 Jun '03

27 Jun '03

you can use the useradmin userlist command? you can not change the root account Regards charles -----Original Message----- From: Holland, William L [mailto:hollandwl@state.gov] Sent: vrijdag 27 juni 2003 15:20 To: 'toasters(a)mathworks.com' Subject: Renaming Administrator Is it possible to rename the default Administrator account to something else?

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Question about mirroring
by Holland, William L 27 Jun '03

27 Jun '03

Scenario: FilerA is installed at SiteA mirroring to FilerB at SiteB. Both are in Windows networks and both are using CIFS. SiteA is in NTDom1 and SiteB is in NTDom2. NTDom1 and NTDom2 are Windows NT domains, Active Directory is not implemented, and their is no trust relationship between the two NT Domains. FilerA has been using global groups and users from NTDom1 on its ACL's. SiteA along with FilerA ceases to exist for whatever reason. SiteB breaks the mirror and brings the volumes mirrored from FilerA online. Is it possible to access the files on those shares since NTDom1 no longer exists?

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RE: Some security questions/wishes
by Ehrhart, Rick 27 Jun '03

27 Jun '03

> -----Original Message----- > From: Holland, William L [mailto:hollandwl@state.gov] > Sent: Tuesday, June 24, 2003 7:26 AM > To: 'toasters(a)mathworks.com' > Subject: Some security questions/wishes > > > Setting up two new filers, F810 and FAS940, in a new > installation. ONTAP > 6.4.1 > > 1. Is there a way that I can permit certain users to view filer > configurations and statistics without their having the root > password or > being given full adminstrative access? No, not at this time. > 2. Is there a way to force logons to the filer (be it > console, SSL enabled > FilerView) to use Windows groups rather than having to hand > out the root password? No, not at this time. > 3. Is there a way to allow certain people to perform manual snapshots > without their being given full admin access? Something akin > to a Backup Operator. No, not at this time. > 4. Along the same lines of 3 above is it possible to permit > those same > people to restore snapshots on particular volumes without > their being able to access other volumes? No, not at this time. The above issues are being lookeded for future releases of ONTAP. Please see burts 42514, 57701, and 78951 for details. - Rick - ------------------------------------------------------------------- Rick Ehrhart Network Appliance

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Question about Multistore
by Holland, William L 27 Jun '03

27 Jun '03

Scenario: (ONTAP 6.4.1) FilerA at SiteA in NTDomA has some standard volumes being accessed via UNC. Licensed protocols are CIFS, iSCSI, and VLD. It also has a couple of volumes with iSCSI LUN's and a couple more with VLD's. These volumes are being mirrored to FilerB at SiteB in NTDomB. However, there is an NTDomA WinNT BDC at SiteB in the same IP network as FilerB. FilerB has licensed Multistore and has created VFilerA and is mirroring the volumes on FilerA onto VFilerA. SiteA ceases to exist. The mirrors are broken and the volumes on VFilerA are brought online. Servers which have been prestaged at SiteB are brought online in NTDomA. Question: Will the servers be able to acces all of the volumes? I know the standard volumes using UNC will. Will the iSCSI and VLD ones be accessible (assuming SnapDrive is installed on servers wishing to use VLD's and iSCSI initiator is installed on ones wishing to use iSCSI). Thanks in advance.

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RE: Question about mirroring
by Holland, William L 27 Jun '03

27 Jun '03

An idea I came up with and am currently testing is: Connect to FilerA via a Win2K management console and add local groups. Then add users from NTDom1 to the FilerA groups. These groups would, of course, have to be documented so that they can be created on FilerB in NTDom2 should the need ever arise. The groups on FilerB would then be populated with users from NTDom2. This seems like it would preserve the overall security structure of the volumes being mirrored and not require any significant reconfiguration on NTDom2. -----Original Message----- From: Manish Anand Kinnerkar [mailto:Mak@wipro.co.in] Sent: Friday, June 27, 2003 2:48 AM To: toasters(a)mathworks.com Subject: RE: Question about mirroring This would be like a practical Disaster recovery scenario, I believe FilerB will have all shares of FilerA intact within itslef. After we make the mirror copy read write , the only problem we face now is that the acl's on the shares are useless , as the uids/domain do not exist.The authentication for this domain ceases to exist and thereby access is not possible at share level. FilerB cannot be a member of multiple domains at the same time, and will continue to reside in NTDom2 domain. Now it will be upto the administrator to manage these shares . Most logical thing to do would be to reassign them to new userids ( corresponding to old users of NTDom1) in current domain NTDom2 as NTDom1 has ceased to exist. Or create the NTDom1 domain all over again , but reassign share to the recreated userids. Experts on Windows Domain architecuture please comment on the same, coz frankly i'm not an expert in Windows :) regards, Mak. -----Original Message----- From: Holland, William L [mailto:hollandwl@state.gov] Sent: Thu 6/26/2003 6:24 PM To: 'toasters(a)mathworks.com' Cc: Subject: Question about mirroring Scenario: FilerA is installed at SiteA mirroring to FilerB at SiteB. Both are in Windows networks and both are using CIFS. SiteA is in NTDom1 and SiteB is in NTDom2. NTDom1 and NTDom2 are Windows NT domains, Active Directory is not implemented, and their is no trust relationship between the two NT Domains. FilerA has been using global groups and users from NTDom1 on its ACL's. SiteA along with FilerA ceases to exist for whatever reason. SiteB breaks the mirror and brings the volumes mirrored from FilerA online. Is it possible to access the files on those shares since NTDom1 no longer exists?

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limitation path length
by Phil Hill 27 Jun '03

27 Jun '03

Hi all, there is a path length limitation of 256 characters for cifs. ok, I know to bypass it with multiple shares or the subst- command. Question: Is there a theoretical or/and a practical limitation of the path length on the part of NetApp WAFL? I can not find anything about the path length in NOW, just some hints to be careful with a "very,very" deep path. I also know, that I can increase the maxdirsize to 64MB Default is 10MB ca. 300.000 files. I am talking about a F810 with 6.2.1. I could imagine there is a limitation by the RAM. thanks in advance Phil

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