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RE: Multiple tape backups
by Breniser, Larry 04 Sep '02

04 Sep '02

Hi Glenn, Long time no speak... List the drive more than once on the command line. An example line from our Perl based backup program: $cmd = " rsh $HOST </dev/null 'dump ".$dump_level."ufb u$DRIVE,u$DRIVE,u$DRIVE,u$DRIVE,u$DRIVE,u$DRIVE,n$DRIVE 63 $dump_target' >$scratch.dump; "; From the man pages: ---------------------- To make a level 0 dump of the entire file system of the root volume to a local tape drive (no rewind device, unit zero, highest density), with each tape file in the dump being less than 2 GB in size, without operator intervention, using a tape stacker, with four tape files written per tape, assuming that the dump requires no more than 10GB, use: toaster> dump 0ufbB nrst0a,nrst0a,nrst0a,urst0a,rst0a 63 2097151 / This will: Write the first three files to the norewind device, so that they, and the next dump done after them, will appear consecutively on the tape. Write the next file to the unload/reload device. This will cause the stacker to rewind and unload the tape after the file has been written and then load the next tape. Write the last file to the rewind device, so that the tape will be rewound after the dump is complete. ----------------- Larry Breniser Wilsonville Engineering Server Team Mentor Graphics Corporation -----Original Message----- From: Glenn Marsh [mailto:glennm@latticesemi.com] Sent: Thursday, August 29, 2002 9:57 AM To: toasters(a)mathworks.com Subject: Multiple tape backups We have been trying to solve a problem with NetApp and they have not found a solution yet. We are using a Sun system running Solaris with attached tape drives to backup a filer remotely using the "dump" command. If you fill up a tape, it will not go to the next tape in the Sun Autoloader and it fails. We have been trying to use several different ways of putting in the tape device to get it to continue to a second tape with no luck. NetApp seams to be at a loss to how to do it as well. Here are the commands we have tried: (issued from the Sun system "jaguar") (/dev/rmt/2cn is the tape drive in the autoloader set to sequencial) rsh landrover dump 0uf jaguar:/dev/rmt/2cn,/dev/rmt/2cn /vol/vol0/processes rsh landrover dump 0uf jaguar:/dev/rmt/2cn,,jaguar:/dev/rmt/2cn /vol/vol0/processes There are several others. If anyone has one that works for sure, please let me know. Thanks. ************************************************************************* Glenn Marsh Lattice Semiconductor Corporation Unix Systems Administrator 5555 NE Moore Court CAD Engineering Hillsboro, Oregon 97124 glenn.marsh(a)latticesemi.com 503-268-8000 503-268-8136 phone - 503-268-8459 fax *************************************************************************

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Netapp hard drive tests
by steve＠hq.newdream.net 04 Sep '02

04 Sep '02

Does anyone actually know what tests Network Appliance hard drives get put through before they get the NetApp stamp of approval? Someone mentioned they reject like 30% of their drives. Is that true? Because that number seems pretty high to me. If it so, I would like to know exactly what tests they use (and what figures they use) to determine whether or not to reject a drive. Steve

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informix on a filer
by Jeff Kennedy 03 Sep '02

03 Sep '02

I know there has recently been a flurry of mails regarding Oracle on a filer but is anyone running Informix on one? I ask because there are alot of issues with the whole Informix/Onbar kludge that we are running into in an effort to evaluate this. Netapp has been involved in the preliminary discussions and will be in the future as well but I wanted to get an idea from real people in the real world as to the problems you solved and others you ran into. Here's a primer of what we think are the benefits: 1) snapshots - much faster than tape backup, takes minimal disk space 2) snapmirror - easy DR 3) snaprestore - fast recovery from an archive (snapshot) for testing and/or devel 4) snapvault - able to take snapshots every 5 minutes (avoid logical logs altogether) and migrate them to R100, increased retention period due to minimal space requirements 5) system recovery - data resides on filer so cpu becomes a FRU Here are a couple of issues/questions regarding the above: Can all Informix data (i.e., database, binaries, etc.) reside on nfs leaving only system files on the cpu (i.e. system, services, vfstab)? Can snapshots every 5 minutes really replace logical logs if 5 minutes is an acceptable point-in-time recovery period? Can snapshots be used to get a reliable backup without quiescing the database? In the event that logical logs are still required we would write them to mirrored internal drives. Has anyone managed to write these logs to nfs? Thanks. -- ===================== Jeff Kennedy Unix Administrator AMCC jlkennedy(a)amcc.com

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CIFS access from W98 for OnTap 6.1.3R2
by P.S.Jones 03 Sep '02

03 Sep '02

We recently upgraded from OnTap 6.1.2 to 6.1.3R2 in order to solve an authentication issue for Windows XP clients accessing shares using Active Directory credentials. The upgrade did indeed solve the problem but we now find we are left with a problem with access from Windows 98 clients, which worked prior to the upgrade. Any of you folks discovered this yet and if so, do you have a solution? The gist of the error message on the client is something like :- 'The password is invalid for \\blah .., error 86' -- Paul Jones, Head of Systems, Information Technology Service, University of Durham, South Road, Durham DH1 3LE Email: p.s.jones(a)durham.ac.uk Phone/Fax: 0191 374 2879/7759

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Re: How does a netapp mark a disk broken?....
by Rune Bakken 30 Aug '02

30 Aug '02

Art Hebert <art(a)arzoon.com> writes: > Any ways to check it out and be able to reuse it? > Autosupport mail will tell you (in most cases ... ) if a disk has been broken. You may also check device_map (abbreviated example below): nfs15> fcstat device_map 9 Shelf 0: 6 5 4 3 2 1 0 Shelf 1: 14 13 12 11 XXX 9 8 The XXX marks a failed disk The info may also be found in <netapp>:/etc/.broken_disks >>>>>>>>>>>.rune -- Rune Bakken Senior System Administrator Telenor Business Solutions (Nextra), Communications/IP-Services Ph: +47 22 77 03 93

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How does a netapp mark a disk broken?....
by Art Hebert 30 Aug '02

30 Aug '02

Any ways to check it out and be able to reuse it?

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RE: TSM backup of Netapp Filers
by Lane, Debbie 29 Aug '02

29 Aug '02

Is there an error number associated with the message "Invalid file handle", and "Internal program error? TSM use to be called ADSM, so if you are searching the web, you might find information under ADSM. Here are some sites to try. The TSM web site is http://www.tivoli.com, then go to storage. Support is http://www.tivoli.com/support/storage_mgr/tivolimain.html If you don't find an answer here, you might try the ADSM (TSM) list server. Some archives are at http://www.adsm.org To subscribe send e-mail to: LISTSERV(a)VM.MARIST.EDU - containing the text: SUBscribe adsm-l <full_name> To send mail to all the users of the ADSM (now TSM) list server use the ADSM-L(a)VM.MARIST.EDU address. -----Original Message----- From: Asbjørn Bjørkelund [mailto:asbjorn.bjorkelund@proact.no] Sent: Thursday, August 29, 2002 4:56 AM To: 'toasters(a)mathworks.com' Subject: TSM backup of Netapp Filers Hello Toasters Is there anybody out there using TSM for backup of filers, we have a case with a customer which experince problems with TSM backup. They are using Tivoli Storage Manager (TSM) to back up qtrees on the Netapp filer. TSM is based on a client/server relationship, that means a W2K server running client software is able to communicate with a TSM server running under AIX over TCP/IP protocol. And they are backing up the filer via mapped drives from a W2K server (client). The error message we get are "Invalid file handle", and "Internal program error". As far as we understand this must be a problem with the backup client, but we can't be sure and we are not familiar with TSM at all. Any help would be appreciated TSM Release, and W2K - TSM server version 4, release 2, level 1.9, running under AIX - TSM client version 4, release 2, level 1.30 - W2K client w/SP3 Best Regards Asbjørn Bjørkelund Systems Engineer ProAct Systems AS Hilsen / Best Regards Asbjørn Bjørkelund Systems Engineer ProAct Systems AS Phone +47 51842010 Mobile +47 932 30623 Fax +47 51560647

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Multiple tape backups
by Glenn Marsh 29 Aug '02

29 Aug '02

We have been trying to solve a problem with NetApp and they have not found a solution yet. We are using a Sun system running Solaris with attached tape drives to backup a filer remotely using the "dump" command. If you fill up a tape, it will not go to the next tape in the Sun Autoloader and it fails. We have been trying to use several different ways of putting in the tape device to get it to continue to a second tape with no luck. NetApp seams to be at a loss to how to do it as well. Here are the commands we have tried: (issued from the Sun system "jaguar") (/dev/rmt/2cn is the tape drive in the autoloader set to sequencial) rsh landrover dump 0uf jaguar:/dev/rmt/2cn,/dev/rmt/2cn /vol/vol0/processes rsh landrover dump 0uf jaguar:/dev/rmt/2cn,,jaguar:/dev/rmt/2cn /vol/vol0/processes There are several others. If anyone has one that works for sure, please let me know. Thanks. ************************************************************************* Glenn Marsh Lattice Semiconductor Corporation Unix Systems Administrator 5555 NE Moore Court CAD Engineering Hillsboro, Oregon 97124 glenn.marsh(a)latticesemi.com 503-268-8000 503-268-8136 phone - 503-268-8459 fax *************************************************************************

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TSM backup of Netapp Filers
by Asbjørn Bjørkelund 29 Aug '02

29 Aug '02

Hello Toasters Is there anybody out there using TSM for backup of filers, we have a case with a customer which experince problems with TSM backup. They are using Tivoli Storage Manager (TSM) to back up qtrees on the Netapp filer. TSM is based on a client/server relationship, that means a W2K server running client software is able to communicate with a TSM server running under AIX over TCP/IP protocol. And they are backing up the filer via mapped drives from a W2K server (client). The error message we get are "Invalid file handle", and "Internal program error". As far as we understand this must be a problem with the backup client, but we can't be sure and we are not familiar with TSM at all. Any help would be appreciated TSM Release, and W2K - TSM server version 4, release 2, level 1.9, running under AIX - TSM client version 4, release 2, level 1.30 - W2K client w/SP3 Best Regards Asbjørn Bjørkelund Systems Engineer ProAct Systems AS Hilsen / Best Regards Asbjørn Bjørkelund Systems Engineer ProAct Systems AS Phone +47 51842010 Mobile +47 932 30623 Fax +47 51560647

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qtree Move Between Vols
by Ed Alexander 29 Aug '02

29 Aug '02

I apologize in advance if this is in a FAQ or in the archives. I couldn't find an answer there, so... I've just brought a new vol on-line and need to move some qtrees off other vols that are filling up. All vols are attached to a single F820 and my admin host is running Solaris 8. What is the best (read: fastest) way to move a qtree between vols? The qtrees I'm moving are between 5 and 65 Gb in size. I've looked at ndmpcopy on the ndmp.org site. It's intended for moves between filers, but should work fine for moves within the same filer. Also, the site claims it's been tested on Solaris 2.5.1. Have others compiled and used it on Solaris 8? Are there other viable options besides ndmpcopy? I'd appreciate any advice from others who have gone down this road. TIA. Cheers, Ed -- Ed Alexander Senior Systems Administrator MEUS, Design Engineering Center - East 2635 Meridian Parkway Durham North Carolina 27713 ed.alexander(a)msai.mea.com

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