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RE: Disconnect serial console
by Mike Sphar 10 Oct '01

10 Oct '01

I've never had a problem with this on my F230 or F740s. I don't believe NetApp uses the break signal as a trigger to drop to Prom mode (which is the problem the Suns have). I used to have one ASCII terminal between my three filers that I freely swapped around as needed. For the record, the Suns don't crash, they just drop to the prom mode (ok prompt). I don't think I've ever encountered a case where simply entering "go" didn't successfully return the sun machine to service. -- Mike Sphar - Sr Systems Administrator - Engineering Support Peregrine Systems, Inc. -----Original Message----- From: Walsh, Warren (MN65) [mailto:warren.walsh@honeywell.com] Sent: Wednesday, October 10, 2001 7:41 AM To: toasters(a)mathworks.com Subject: Disconnect serial console Hi all - I need to move the serial console on my 530 and 740 filers. Basically, the console ports on the filers go to a pair of Wyse terminals. We need to move the Wyse terminals few feet, and that will require disconnecting and rerouting the serial cables. I've never disconnected the console while the filer is up and running. Will this crash the filer, or cause any problems? I know that some Sun servers crash when the console is disconnected, and I'd like to avoid that if at all possible. Thanks in advance for your help, -warren

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Disconnect serial console
by Walsh, Warren (MN65) 10 Oct '01

10 Oct '01

Hi all - I need to move the serial console on my 530 and 740 filers. Basically, the console ports on the filers go to a pair of Wyse terminals. We need to move the Wyse terminals few feet, and that will require disconnecting and rerouting the serial cables. I've never disconnected the console while the filer is up and running. Will this crash the filer, or cause any problems? I know that some Sun servers crash when the console is disconnected, and I'd like to avoid that if at all possible. Thanks in advance for your help, -warren

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RE: Disconnect serial console
by Bailey, Jourdan 10 Oct '01

10 Oct '01

It should not cause a crash. Jourdan > -----Original Message----- > From: Walsh, Warren (MN65) [mailto:warren.walsh@honeywell.com] > Sent: Wednesday, October 10, 2001 10:41 AM > To: toasters(a)mathworks.com > Subject: Disconnect serial console > > > Hi all - > > I need to move the serial console on my 530 and 740 filers. > Basically, the > console ports on the filers go to a pair of Wyse terminals. > We need to move > the Wyse terminals few feet, and that will require disconnecting and > rerouting the serial cables. I've never disconnected the > console while the > filer is up and running. Will this crash the filer, or cause > any problems? > I know that some Sun servers crash when the console is > disconnected, and I'd > like to avoid that if at all possible. > > Thanks in advance for your help, > > -warren >

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RE: Disconnect serial console
by Bond, Andrew 10 Oct '01

10 Oct '01

Hi Warren, You don't need to worry. I regularly attach and detach my laptop for use as a console, and the filer doesn't mind. Regards, Andrew > -----Original Message----- > From: Walsh, Warren (MN65) [mailto:warren.walsh@honeywell.com] > Sent: 10 October 2001 15:41 > To: toasters(a)mathworks.com > Subject: Disconnect serial console > > > Hi all - > > I need to move the serial console on my 530 and 740 filers. > Basically, the > console ports on the filers go to a pair of Wyse terminals. > We need to move > the Wyse terminals few feet, and that will require disconnecting and > rerouting the serial cables. I've never disconnected the > console while the > filer is up and running. Will this crash the filer, or cause > any problems? > I know that some Sun servers crash when the console is > disconnected, and I'd > like to avoid that if at all possible. > > Thanks in advance for your help, > > -warren >

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RE: Disconnect serial console
by Maglinger, Paul 10 Oct '01

10 Oct '01

I've never had a problem connecting or disconnecting (although I don't do it that often). -----Original Message----- From: Walsh, Warren (MN65) [mailto:warren.walsh@honeywell.com] Sent: Wednesday, October 10, 2001 09:41 To: toasters(a)mathworks.com Subject: Disconnect serial console Hi all - I need to move the serial console on my 530 and 740 filers. Basically, the console ports on the filers go to a pair of Wyse terminals. We need to move the Wyse terminals few feet, and that will require disconnecting and rerouting the serial cables. I've never disconnected the console while the filer is up and running. Will this crash the filer, or cause any problems? I know that some Sun servers crash when the console is disconnected, and I'd like to avoid that if at all possible. Thanks in advance for your help, -warren

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Re: Disconnect serial console
by Kerry Schwab 10 Oct '01

10 Oct '01

A little off topic, but I just wanted to address this: " I know that some Sun servers crash when the console is disconnected". Actually they don't crash, but the serial driver interprets the disconnect as a break signal, and drops into the prom monitor. If this happens, you can just type "c" and the system will continue where it left off. This isn't usally a problem unless it was in the prom monitor for an extended period of time. ( in which case tcp connections from other machines get dropped, etc) On the newer machines, leaving the power selection in the "secure" position will keep this from happening at all. == Kerry >>> "Walsh, Warren (MN65)" <warren.walsh(a)honeywell.com> 10/10/01 09:41AM >>> Hi all - I need to move the serial console on my 530 and 740 filers. Basically, the console ports on the filers go to a pair of Wyse terminals. We need to move the Wyse terminals few feet, and that will require disconnecting and rerouting the serial cables. I've never disconnected the console while the filer is up and running. Will this crash the filer, or cause any problems? I know that some Sun servers crash when the console is disconnected, and I'd like to avoid that if at all possible. Thanks in advance for your help, -warren

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RE: Disconnect serial console
by White, Lance 10 Oct '01

10 Oct '01

There is no issue with disconnecting a console from a Filer whilst it is running. -----Original Message----- From: Walsh, Warren (MN65) [mailto:warren.walsh@honeywell.com] Sent: Wednesday, October 10, 2001 7:41 AM To: toasters(a)mathworks.com Subject: Disconnect serial console Hi all - I need to move the serial console on my 530 and 740 filers. Basically, the console ports on the filers go to a pair of Wyse terminals. We need to move the Wyse terminals few feet, and that will require disconnecting and rerouting the serial cables. I've never disconnected the console while the filer is up and running. Will this crash the filer, or cause any problems? I know that some Sun servers crash when the console is disconnected, and I'd like to avoid that if at all possible. Thanks in advance for your help, -warren

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RE: Disconnect serial console
by Toal, Dave 10 Oct '01

10 Oct '01

I've never had a problem unplugging laptop or console-server serial cables with the filer running. Turning the console-server *off* while connected is a problem for sun boxes; don't know if netapps pick up "three low bytes" as a break. -----Original Message----- From: Walsh, Warren (MN65) To: toasters(a)mathworks.com Sent: 10/10/01 10:41 AM Subject: Disconnect serial console Hi all - I need to move the serial console on my 530 and 740 filers. Basically, the console ports on the filers go to a pair of Wyse terminals. We need to move the Wyse terminals few feet, and that will require disconnecting and rerouting the serial cables. I've never disconnected the console while the filer is up and running. Will this crash the filer, or cause any problems? I know that some Sun servers crash when the console is disconnected, and I'd like to avoid that if at all possible. Thanks in advance for your help, -warren

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RE: SQL2000 on F740 w/ Log Shipping?
by Wollermann, Brian 10 Oct '01

10 Oct '01

I'm not trying to run an app at all. Just one dumb database for testing. Thanks for the suggestions for the White papers. I'm drowning in tech documents. I'm making progress now at least. I have two SQL2000 servers in a failover configuration with the DB on the filer. The log shipping is working fine. I'm now working on getting the role change to work and do more testing. -----Original Message----- From: Todd Phillips [mailto:toddp@iarchive.com] Sent: Friday, October 05, 2001 5:44 PM To: 'Wollermann, Brian '; ''toasters(a)mathworks.com' ' Subject: RE: SQL2000 on F740 w/ Log Shipping? Hi Brian. What Cluster App are you running on the SQL Servers? Veritas, Legato, other? Have you checked the White Papers on NetApps Now site? Todd -----Original Message----- From: Wollermann, Brian To: 'toasters(a)mathworks.com' Sent: 10/5/2001 2:28 PM Subject: SQL2000 on F740 w/ Log Shipping? I'm trying to do some testing with our F740 and SQL2000. With the DBs hosted on the filer the stupid checkbox is greyed out for log shipping. Has anyone been able to setup a standby server that accesses databases on the filer w/ SQL2000? Any pointers would be appreciated. We are trying to have two servers in a failover configuration with DBs loaded on the filer. Thanks.

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Re: Two disks vol0 for root volume
by Rune Bakken 09 Oct '01

09 Oct '01

"Rob C. Tien" <rtien(a)Dominionsc.com> writes: > Hello, > > Does anyone out there has any thoughts on the pros and cons regrading > whether or not is a good idea to create a separate two disks vol0 for the > root volume on the Netapp Filer ? I understand that this question has been > posted here before and If someone could send me those discussion threads > that would be great !! At my site, the current policy is to have a separate two-disk root volume, as during our first tests with filers, one of my system developers managed to crash a filer by filling the root volume. It is kind of waste of disk space, so I have allowed use of the root volume on one or two filers, although with fascistic control of the qtree quotas in order to avoid the above. >>>>>>>>>>>>>>.rune -- Rune Bakken "I feel sorry for people who don't drink. System Administrator When they wake up in the morning, that's as Nextra, good as they're going to feel all day." - Telenor Company - Frank Sinatra

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