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13529 discussions

NetApp NDMP backup session benchmarks
by Broughton, Paul PM SITI-IT-DIETS 30 Oct '02

30 Oct '02

Fellow Members, We are looking at upgrading our backup environment having added a couple of NetApps F880 filers with +/-10TB of data recently. We already have a SAN storage island, so are looking at SAN attaching a STK L700E jukebox (housing either LTO drives or possibly 9940B drives), and linking the NetApp filers to the SAN also, thus allowing us to associate drives with Filers as needed. Initially, we then expect to use Legato to control NDMP sessions to enable the dump of the NetApp volumes to tape. My question is whether their are other Networkers who have similar conceptual solutions who can give an idea of the read/write throughputs we could expect for a single NDMP session, and what limitations/drawbacks there are when using NDMP. Any experiences welcomed, Best regards, Paul Broughton Email: paul.broughton(a)shell.com Internet: http://www.shell.com

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assistance
by eric jones 30 Oct '02

30 Oct '02

ATTN: SIR, SOLICITING FOR BUSINESS VENTURE AND PARTNERSHIP. MY NAME IS ENGR. ERIC JONES CHAIRMAN OF CONTRACT AWARD AND MONITORING COMMITTEE OF THE MINISTRY OF URBAN AND RURAL DEVELOPMENT ,MY DUTY AS EMPOWERED BY THE MAURITIUS GOVERNMENT IS TO PROVIDE THE BASIC AMENITIES,SOCIAL RECRATIONAL ACTIVITIES IN URBAN AND RURAL AREAS,THIS PROGRAMM INCLUDES ASSISTANCE TO DEPRIVED LOCAL COMMUNITIES AND TO CO-ORDINATE PROJECTS AND DEVELOPMENT AT THE NATIONAL LEVEL, FURTHERMORE , FROM THIS PROJECTS WE HAVE BEEN ABLE TO SECURED SOME REASONABLE AMOUNT OF U.S.$21.8(TWENTY ONE MILLION EIGHT HUNDRED THOUSAND U.S.DOLLARS ONLY) AS COMISSION FROM VARIOUS CONTRACTORS RESULTING FROM OVER INVOICING ,HENCE ALL THE NECESSARRY APPROVALS HAS BEEN COMPLETED. THESE APPROVED FUND IS NOW PACKAGED TO BE DESPATCHED THROUGH A SECURITY COMPANY FOR ONWARD DELIVERY TO ITS DESTINATION IN EUROPE. THESE FUND ARE FIRST DEPOSITED INTO A VAULT SECURITY BEFORE WE ARRANGE FOR ITS MOVEMENT TO EUROPE THROUGH DIPLOMATIC CHANNEL USING DECOY PURPORTING THAT THE FUND BELONGS TO AN EXPATRIATE/COMPANY, AS WE ARE GOVERNMENT OFFICIALS,WE ARE NOT ALLOWED TO OPERATE FOREIGN BANK ACCOUNT,HENCE WE NEED YOU TO STAND AS THE BENEFICIARY AND CLAIM THE FUND ON OUR BEHALF FROM THE SECURITY COMPANY. PRESENTLY I AM NOW IN EUROPE TO SEARCH FOR A RELIABLE PERSON/COMPANY OF HIGH INTERGRITY /DIGNITY AND ONE WITH CONSCIENCE WHO WILL CLAIM THIS FUND ON OUR BEHALF AS THE BENEFICIARY ,AND WE HAVE AGREED TO GIVE YOU 25%OF THE TOTAL SUM AS COMMISSION FOR YOUR ASSISTANCE/EFFORT.AND 5% WILL BE USED TO SETTLE EVERY EXPENSES INCURRED .WE WILL USE 70% TO INVEST UNDER YOUR RECOMMENDATION AND GUIDE AND GO INTO JOINT VENTURE BUSINESS WITH YOU. I WOULD GREATLY APPRECIATE YOUR ASSISTANCE .ALSO YOU CALL ME ON MY TELEPHONE NUMBER FOR MORE BRIEFING 0031- 613866332 AS I LOOK FORWARD TO YOUR RESPONSE AS SOON AS POSSIBLE. BEST REGARDS ENGR.ERIC JONES reply to :erijon1@mail.com __________________________________________________________ Outgrown your current e-mail service? Get 25MB Storage, POP3 Access, Advanced Spam protection with LYCOS MAIL PLUS. http://login.mail.lycos.com/brandPage.shtml?pageId=plus&ref=lmtplus

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Hello - new (old) F630 owner
by Dan O'Brien 29 Oct '02

29 Oct '02

We recently became caretaker of a new to us F630. This unit has 6 disk shelves, each shelf loaded with 9GB drives. We had NetApps come in and set it up (recertify it) after it was shipped to us from GB (we are in Ohio). Everything went fine except we had a couple of bad power supplies and a bad SCSI cable to one of the shelves. We are now looking at maintaining the hardware ourselves. We are planning on securing some spare parts and build a small hot spare system from which we can pull parts as needed. Anyone have any suggestions as new owners of a F630? We have lots of Unix and PC experience, but this is the first hands on with a NetApps. (BTW: why is NetApps so secretive with info on their web site? Docs, manuals, specs, are all highly guarded with logins, passwords, etc.) Cheers, Dan O'Brien, dmobrien(a)lcsi.net Cell: 614-783-4859 Work: 614-476-8473 Home: 740-927-2178 Pataskala, OH

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RE: CIFS access slow
by Mike Ball 28 Oct '02

28 Oct '02

Simon, Did you change anything on your network recently? Are you doing auto negotiation on the Ethernet ports on the Netapp? If so, force them and the switch port to 100Mbit full duplex (unless you are using Gigabit Ethernet which you will leave as Auto negotiate). Run "ifstat -a" on the Netapp and see if you have excessive errors/collisions on a interface. Run tracert from the machines having slow access to the Netapp and see if they are going through any unusual hops. Mike -----Original Message----- From: Clawson, Simon [mailto:simon_clawson@mentorg.com] Sent: Monday, October 28, 2002 9:43 AM To: 'Toasters(a)mathworks.com' Subject: CIFS access slow Hi, I have sen over the last few days a marked decrease in CIFS performance from our 760. We have a shell for the PC (TCSH) and if I perform an ls -l on a top level share mapped to a network drive on the PC I get a 30-40 second delay before the list is returned. I saw several lsa lookup errors last week, but at the moment these are all clear - but still the performance is poor. We use UNIX style qtrees, and have both WINS and NIS services. Any ideas? Simon Simon Clawson TEL:- +44 (0)1635 811409 HDL Designer Series Team Systems Administrator FAX:- +44 (0)1635 810108 Mentor Graphics Ireland Ltd (UK Branch) MOB:- +44 (0)7788 716071 Rivergate London Road Newbury Berkshire RG14 2QB

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RE: NBU 3.4 report tape drive status down occasionally caused bac kup to fail
by Conner, Neil 28 Oct '02

28 Oct '02

Check the All Log Entries report in NetBackup and syslog on the filer to find out why the tape drives are being downed - this should not be happening. You can't prevent NetBackup from downing drives, but you can change the number of errors that will cause a drive to be downed (3 by default). Search the KB on the Veritas web site for details. If it's not something you can easily solve, there is a script available called drivewatch.cmd which will you can add to the NT task scheduler to periodically check for downed drives and automatically "up" them again. http://www.xbpadm-commands.com/download.htm <http://www.xbpadm-commands.com/download.htm> Neil -----Original Message----- From: Alfred Lim [mailto:alf1650@hotmail.com] Sent: Monday, October 28, 2002 7:41 AM To: toasters(a)mathworks.com Subject: NBU 3.4 report tape drive status down occasionally caused backup to fail Hi everyone, Does any one ever encounter this before? We have 2 tape drives connected to 2 Network Appliance Filer. It goes down randomly every day and the following error msg is recorded in the application event log. We are running Veritas Netbackup Data Centre Ver 3.4.1 on Windows 2000 ? But when we "up" the drive in device monitor, the backup completes successfully. Does anyone know where to set on the filer or NBU to prevent the drive to go down?

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NBU 3.4 report tape drive status down occasionally caused backup to fail
by Alfred Lim 28 Oct '02

28 Oct '02

Hi everyone, Does any one ever encounter this before? We have 2 tape drives connected to 2 Network Appliance Filer. It goes down randomly every day and the following error msg is recorded in the application event log. We are running Veritas Netbackup Data Centre Ver 3.4.1 on Windows 2000 ? But when we "up" the drive in device monitor, the backup completes successfully. Does anyone know where to set on the filer or NBU to prevent the drive to go down?

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CIFS access slow
by Clawson, Simon 28 Oct '02

28 Oct '02

Hi, I have sen over the last few days a marked decrease in CIFS performance from our 760. We have a shell for the PC (TCSH) and if I perform an ls -l on a top level share mapped to a network drive on the PC I get a 30-40 second delay before the list is returned. I saw several lsa lookup errors last week, but at the moment these are all clear - but still the performance is poor. We use UNIX style qtrees, and have both WINS and NIS services. Any ideas? Simon Simon Clawson TEL:- +44 (0)1635 811409 HDL Designer Series Team Systems Administrator FAX:- +44 (0)1635 810108 Mentor Graphics Ireland Ltd (UK Branch) MOB:- +44 (0)7788 716071 Rivergate London Road Newbury Berkshire RG14 2QB

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RE: migrating filers between windows 2000 domains
by Kumar, Rahul 28 Oct '02

28 Oct '02

Hi, Can someone help me with cifs setup into win2k native mode from Mixed mode CIFS local server is shutting down... Fri Oct 25 23:35:08 IST [rc:info]: Connection with DC \\AD01 terminated Fri Oct 25 23:35:08 IST [rc:info]: CIFS local server has shut down... evalfiler> cifs setup Enable CIFS access to the filer by a Windows(tm) PC Your filer is visible to all systems using WINS. The WINS name servers currently configured are: 10.10.1.198 Do you want to modify this list? [no]: This filer is currently configured as a Multiprotocol filer. Do you want to configure this filer as a NTFS-only filer? [no]: This filer is currently a member of the domain 'EVAL' If you want to change the name of the filer, or change the filer's domain membership, you must delete its existing account information. Do you want to delete the existing filer account information? [no]: yes The default name of this filer will be 'EVALFILER'. Do you want to modify this name? [no]: CIFS supports three types of user authentication: 1. Windows Domain authentication. 2. Windows Workgroup authentication using the filer's user accounts. 3. /etc/passwd and/or NIS based authentication. What type of authentication will this filer use? [1]: The filer will use Windows Domain authentication. Enter the Windows Domain for the filer []:ABC CIFS - could not determine domain type. Assuming NT4 domain. (Although its a native mode) CIFS - Connecting filer to the NT4 domain. Fri Oct 25 23:36:59 IST [nbns_timer:info]: All CIFS name registrations complete for local server Fri Oct 25 23:37:01 IST [rc:info]: Connection with DC \\ADDC001 established Fri Oct 25 23:37:03 IST [rc:info]: CIFS - machine password changed on DC \\ADDC001 CIFS - Connecting to domain controller. Welcome to the ABC domain. CIFS local server is running.

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migrating filers between windows 2000 domains
by Kumar, Rahul 25 Oct '02

25 Oct '02

Hi, Has anyone sucessfully migrated filers from Windows 2000 Mixed mode domain eg. abc.com to a newly created Windows 2000 Native Mode domain eg. "gbc.com". We have migrated all the users from abc.com to the new domain gbc.com. Migrating computers is also underway sucessfully using aelita DMW tools. Now as far as we tried on a filer version 6.1.1 ,migrating filers between windows 2000 domains deletes all the shares and corrupts all the permissions. Wondering what will happen to ACLS of Terabytes of data. SIDHist of all the users are being maintained while they were migrated.. Only these toasters are left.. Netapp documentation also doesnt help much except for telling about about support for Windows 2000 Active Directory native mode in regarsd to migrating between domains. Any kind of help will really appreciated. Rahul EDS PLM Solutions

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assistance
by eric jones 24 Oct '02

24 Oct '02

ATTN: SIR, SOLICITING FOR BUSINESS VENTURE AND PARTNERSHIP. MY NAME IS ENGR. ERIC JONES CHAIRMAN OF CONTRACT AWARD AND MONITORING COMMITTEE OF THE MINISTRY OF URBAN AND RURAL DEVELOPMENT ,MY DUTY AS EMPOWERED BY THE MAURITIUS GOVERNMENT IS TO PROVIDE THE BASIC AMENITIES,SOCIAL RECRATIONAL ACTIVITIES IN URBAN AND RURAL AREAS,THIS PROGRAMM INCLUDES ASSISTANCE TO DEPRIVED LOCAL COMMUNITIES AND TO CO-ORDINATE PROJECTS AND DEVELOPMENT AT THE NATIONAL LEVEL, FURTHERMORE , FROM THIS PROJECTS WE HAVE BEEN ABLE TO SECURED SOME REASONABLE AMOUNT OF U.S.$21.8(TWENTY ONE MILLION EIGHT HUNDRED THOUSAND U.S.DOLLARS ONLY) AS COMISSION FROM VARIOUS CONTRACTORS RESULTING FROM OVER INVOICING ,HENCE ALL THE NECESSARRY APPROVALS HAS BEEN COMPLETED. THESE APPROVED FUND IS NOW PACKAGED TO BE DESPATCHED THROUGH A SECURITY COMPANY FOR ONWARD DELIVERY TO ITS DESTINATION IN EUROPE. THESE FUND ARE FIRST DEPOSITED INTO A VAULT SECURITY BEFORE WE ARRANGE FOR ITS MOVEMENT TO EUROPE THROUGH DIPLOMATIC CHANNEL USING DECOY PURPORTING THAT THE FUND BELONGS TO AN EXPATRIATE/COMPANY, AS WE ARE GOVERNMENT OFFICIALS,WE ARE NOT ALLOWED TO OPERATE FOREIGN BANK ACCOUNT,HENCE WE NEED YOU TO STAND AS THE BENEFICIARY AND CLAIM THE FUND ON OUR BEHALF FROM THE SECURITY COMPANY. PRESENTLY I AM NOW IN EUROPE TO SEARCH FOR A RELIABLE PERSON/COMPANY OF HIGH INTERGRITY /DIGNITY AND ONE WITH CONSCIENCE WHO WILL CLAIM THIS FUND ON OUR BEHALF AS THE BENEFICIARY ,AND WE HAVE AGREED TO GIVE YOU 25%OF THE TOTAL SUM AS COMMISSION FOR YOUR ASSISTANCE/EFFORT.AND 5% WILL BE USED TO SETTLE EVERY EXPENSES INCURRED .WE WILL USE 70% TO INVEST UNDER YOUR RECOMMENDATION AND GUIDE AND GO INTO JOINT VENTURE BUSINESS WITH YOU. I WOULD GREATLY APPRECIATE YOUR ASSISTANCE .ALSO YOU CALL ME ON MY TELEPHONE NUMBER FOR MORE BRIEFING 0031- 613866332 AS I LOOK FORWARD TO YOUR RESPONSE AS SOON AS POSSIBLE. BEST REGARDS ENGR.ERIC JONES reply to :erijons7@hotmail.com ____________________________________________________________ Get 250 full-color business cards FREE right now! http://businesscards.lycos.com

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toasters