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RE: SQL disconnects from Filer
by Leonard, Bryan 12 Nov '02

12 Nov '02

Bill, Definitely put those settings that NetApp recommends in place. The oplocks could be a problem. I would also do the following on the filer: 1). priv set diag 2). setflag smb_trace_connect 1 (is not set after a reboot) 3). setflag tcp_trace_RST 1 (is not set after a reboot) 4). printflag (to verify it's set to 1) 5). options rsh.initial_priv_from_console on (this will allow you to trace rsh to the filer and execute the more privileged filer commands.) 6). priv set admin 7). In the /etc/rc file add the following lines. priv set diag; setflag smb_trace_connect 1 priv set diag; setflag tcp_trace_RST 1 options rsh.initial_priv_from_console on These settings will log any TCP resets that get sent from the filer. My own experience is that most of the database drops occur when the filer sends out a RST (reset) command to the database engine. If you have the database go down again, match up the time and see if you do not have a corresponding RST in the messages log. It's a first step. Also, do you have clustering enabled between two filers? Bryan Bryan Leonard BancTec, Inc. bryan.leonard(a)banctec.com -----Original Message----- From: Bill Baker [mailto:BillBaker@bftg.com] Sent: Tuesday, November 12, 2002 1:22 PM To: toasters(a)mathworks.com Subject: SQL disconnects from Filer We are experiencing a problem where our SQL servers lose connectivity to the databases on the Filer. The SQL server application logs in the event viewer show the disconnect but there is no indication of any TCP errors in the System event log. I am not seeing any packet or port errors on the switch these devices connect to. We also have Lotus Notes servers attached to the Filer via the same switch and they do not lose connectivity to their databases. Network Appliances recommends Windows Registry changes for MaxMpxCt, TcpWindowSize, and UseOpportunisticLocking along with corresponding CIFS options on the Filer. I discovered our SQL servers do not have these Registry entries and the CIFS option for oplocks on the Filer is set to on rather than off. Would this configuration contribute to the loss of connectivity on our SQL servers? Any tips appreciated. Thanks Bill Baker

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SQL disconnects from Filer
by Bill Baker 12 Nov '02

12 Nov '02

We are experiencing a problem where our SQL servers lose connectivity to the databases on the Filer. The SQL server application logs in the event viewer show the disconnect but there is no indication of any TCP errors in the System event log. I am not seeing any packet or port errors on the switch these devices connect to. We also have Lotus Notes servers attached to the Filer via the same switch and they do not lose connectivity to their databases. Network Appliances recommends Windows Registry changes for MaxMpxCt, TcpWindowSize, and UseOpportunisticLocking along with corresponding CIFS options on the Filer. I discovered our SQL servers do not have these Registry entries and the CIFS option for oplocks on the Filer is set to on rather than off. Would this configuration contribute to the loss of connectivity on our SQL servers? Any tips appreciated. Thanks Bill Baker

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RE: filer to filer copy
by Toal, Dave 12 Nov '02

12 Nov '02

Frank, If the ndmp or snap utilities aren't available, using multiple remote machines for the tar/cp will speed things up. Mount source and target filers on each box, and run cp commands for each subdirectory on the vol. When I did this, I listed the subdirs, then split that list by n boxes (12 I think it was) with a shell loop on each one doing something like the below. Parallel tuning applies, but it'd probably take more than a dozen cp on different hosts to saturate the filer. for f in `cat $list` do cd $source/$f find . | cpio -dmpv $target/$f done -- Dave Toal Systems reenignE Thomson & Thomson N. Quincy, MA -----Original Message----- From: Frank Bonnet To: toasters(a)mathworks.com Sent: 11/12/02 10:48 AM Subject: filer to filer copy Hi I want to transfert all users data from a F85 to a F87 is there some command to "safely" do such transfert I expect tar from a third remote machine would be very slow to do the job. The two filers are attached to the LAN with a gigabit fiber link on the same switch. THX -- Frank Bonnet

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SV: Root/Boot Disk(Volume?) Safety
by Öberg Mats 12 Nov '02

12 Nov '02

Hi, All you need to do is copy the etc-directory from the root volume to your other volume, Then if your root-volume fails, you floppy-boot and select your other volume as root volume, reboot and all is well... Now if you have other stuff on your root volume besides etc, you will still need to restore it from backups. ---- Mats -----Ursprungligt meddelande----- Från: Deepak Soneji [mailto:sonejideepak@hotmail.com] Skickat: den 8 november 2002 01:03 Till: devnull(a)adc.idt.com; toasters(a)mathworks.com Ämne: Re: Root/Boot Disk(Volume?) Safety I was wondering if we can snapmirror vol0 of filer1 to filer2 and viceversa! or maybe use ndmpcopy across the filers. Thanks /Deepak ----- Original Message ----- From: <devnull(a)adc.idt.com> To: <toasters(a)mathworks.com> Sent: Thursday, November 07, 2002 2:16 PM Subject: Root/Boot Disk(Volume?) Safety > Dear Toasters, > > I have 2 filers, a F810 and a F740. We also have some Sun servers that > do NIS, sendmail, web server etc. > > To protect from root/boot disk failures on my Sun, i either use rsync to > copy the root disk to another machine with the same hardware architecture or > mirror the disk to a "backup" disk on the same machine. > > I have 2 volumes on my F810 vol0(which has 2 disks) and vol1(11 disks) on > a DS-14 shelf. > > I am trying to protect myself from the situation where i lose both my vol0 > disks, which will mean that my filer will no longer know anything about > itself and i cant really "connect" from my backup server to the netapp to > recover everything. > > If i lose 2 disks on vol1, i will lose all data, but i can slap 2 new > disks on the filer and still recover all data from my backups. > > Any recommendations, thoughts on the same ? > > I use Legato for backup and do my backups over NFS, by mounting the > volumes to my backup server. > > /dev/null > > devnull(a)adc.idt.com >

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RE: filer to filer copy
by Clawson, Simon 12 Nov '02

12 Nov '02

You can use volcopy I believe. This is how we moved our disk storage from SCSI to fibre a while back. Also, ndmp copy, from ndmp.org works well. Simon -----Original Message----- From: Frank Bonnet [mailto:bonnetf@bart.esiee.fr] Sent: 12 November 2002 15:48 To: toasters(a)mathworks.com Subject: filer to filer copy Hi I want to transfert all users data from a F85 to a F87 is there some command to "safely" do such transfert I expect tar from a third remote machine would be very slow to do the job. The two filers are attached to the LAN with a gigabit fiber link on the same switch. THX -- Frank Bonnet

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filer to filer copy
by Frank Bonnet 12 Nov '02

12 Nov '02

Hi I want to transfert all users data from a F85 to a F87 is there some command to "safely" do such transfert I expect tar from a third remote machine would be very slow to do the job. The two filers are attached to the LAN with a gigabit fiber link on the same switch. THX -- Frank Bonnet

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11 Nov '02

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Re: LED on drives flashes from green to red
by Davin Milun 11 Nov '02

11 Nov '02

At 0:52, on Nov 11, 2002, Kelsey Cummings wrote: > On Thu, Sep 26, 2002 at 03:53:17PM -0700, Timothy Naple wrote: > > > > Do the disks blink red at any regular interval? Do all the disks on a given > > shelf blink, or just some of the disks? > > Sorry for picking up on such an old thread but I'm seeing the same behavior > on a NetApp that a client of mine has. It seems to work just fine and I > can't find anything 'wrong' with it other than all the red 'disk-failed' > led lights blink on each shelf (there are two FC9s loaded with X21s) once > every 10? seconds. The shelves don't do it at the same time. They are > attached to a F740 all of the disk have the latest FW for the release it's > runing. > > Any clues as to what could be the problem here? The client has let their > support lapse so calling netapp is out of the question for now. Do the FC9's have a 2nd LRC installed, that is currently not attached to a fiber loop? I've seen that - where those red flashes are the shelf warning you that you have an open fiber loop on them. Not a problem per-se - just a warning. Davin. -- Davin Milun E-mail: milun(a)cse.Buffalo.EDU milun-at-staff.juno.com WWW: http://www.cse.buffalo.edu/~milun/

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RE: LED on drives flashes from green to red
by Timothy Naple 11 Nov '02

11 Nov '02

Dan, Do the disks blink red at any regular interval? Do all the disks on a given shelf blink, or just some of the disks? Thank you, Timothy Naple tnaple(a)berkcom.com 510-644-1599 VOICE 510-644-1598 FAX 888-812-9040 TOLL-FREE Berkeley Communications Corporation 2990 San Pablo Avenue Berkeley, CA 94702 http://www.berkcom.com -----Original Message----- From: Daniel Finn [mailto:DFinn@studentadvantage.com] Sent: Thursday, September 26, 2002 8:15 AM To: 'toasters(a)mathworks.com' Subject: LED on drives flashes from green to red I'm just wondering if this is normal and why it happens. I've recently been put in charge of admin'ing several F760s and am just starting to learm my way around them. I've noticed that some times the green LED will flash red for just a second and then back to green. This is on drives that are in use and getting quite a bit of I/O. Thanks Dan

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6.3 reliability question
by Drew O'Donnell 11 Nov '02

11 Nov '02

We just received a new 825 cluster that shipped with 6.3. This will replace our current production cluster and is one of our most vital systems. We were planning on putting on 6.2.r2 because 6.3 just made general release. According to Netapp because of the hardware we are using the 825 must run 6.3 and 6.2.1r2 is not an option. We would like to know if anyone is currently running 6.3 in production, and if anyone has any information good or bad that will help us in our benchmarking. Has anyone had any issues with the 825 in a cluster running 6.3? Any information would be helpful. Drew

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