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13523 discussions

Clustering
by Moshe Linzer 01 Aug '00

01 Aug '00

Who's using cluster failover? We're thinking of doing it with 2 F760's, about 1TB total. Can anyone relate any pluses/minuses of such a configuration? Thanks, Moshe -- ----------------------------------------------------------------------------- Moshe Linzer | On the Internet, Unix Systems Manager | National Semiconductor, Israel | nobody knows you're a moron. Phone: 972-9-970-2247 | Fax: 972-9-970-2001 | - Network Magazine Email: moshel(a)nsc.com | -----------------------------------------------------------------------------

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RE: Virtual Interfaces and direct connections to servers
by Bond, Andrew 01 Aug '00

01 Aug '00

Hi David, We have done this internally from a Sun client. Sun allows you to define different trunking policies: - mac - round robin - IP destination address - IP source/destination addres For more information, go to http://docs.sun.com , I think the sun trunking manual is online. Other platforms may have fixed policies or different options. Regards, Andrew > -----Original Message----- > From: David Lockwood [mailto:David.Lockwood@benettonformula.com] > Sent: 31 July 2000 16:56 > To: toasters(a)mathworks.com > Subject: Virtual Interfaces and direct connections to servers > > > Has anybody had any experience of connecting UNIX servers > directly to a NetApp filer and using Virtual Interfaces to > get a broader bandwidth. I want to be able to bypass a > network switch and use software on the UNIX box that will > 'trunk' the UNIX servers network ports together? > > > > ---------------------------------------------------------------------- > > For further information on Benetton Formula 1 visit our web > site at www.benettonf1.com. This email and any files > transmitted with it are confidential and intended solely for > the use of the individual or entity to whom they are > addressed. If you have received this email in error please > destroy and notify Benetton Formula on +44 1608678000. > > ---------------------------------------------------------------------- >

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RE: Netapp filesystem failure rate
by Mohler,Anissa 01 Aug '00

01 Aug '00

We do publish a calculation that you can use to estimate the "Mean Time to Data Loss" based on the MTBF for each type of drive. You can get the MTBF number from the individual drive manufacturer's web sites. http://www.netapp.com/tech_library/3027.html#section3.2 In this reference "Data Loss" is defined as "when the failures of two or more disk drives within the same RAID group overlap" This would be the time that you would be required to restore from tape. As far as actual field numbers... I really don't know ;( -----Original Message----- From: Brian Tao [mailto:taob@risc.org] Sent: Sunday, July 30, 2000 6:17 PM To: toasters(a)mathworks.com Subject: Netapp filesystem failure rate Does Netapp have any numbers that they could share publically on how often they see filesystem failures in the field (i.e., double disk failure, spare drive bug, etc.) that would require restoring all the data from tape? I did a quick count in my head and figured we have roughly 21 filer-years of operation (1 filer running for 3 years, 2 for 2.5 years, etc.) without a catastrophic failure yet. Is the actual observed number more like 50 filer-years? 100? 200? -- Brian Tao (BT300, taob(a)risc.org) "Though this be madness, yet there is method in't"

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What about SSH
by Jay Orr 01 Aug '00

01 Aug '00

Is there any way to use SSH to get to a server, so the password isn't broadcast over the network? If not, is there any other authentication method, or is it just straight telnet and console connections? ----------- Jay Orr Systems Administrator Fujitsu Nexion Inc. St. Louis, MO

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RE: NOW website down?
by La Londe, Renee 01 Aug '00

01 Aug '00

Hi All, As requested, we have modified our "downtime" statement to make it clear when the NOW site is down for scheduled downtime or due to technical difficulties . Also we posted our scheduled downtime information in a link off of the NOW home page (located at the bottom). In the near future we will be moving away from monthly releases and will move towards quarterly releases-which equates to more uptime for our users. When this happens the downtime information will be updated with this information accordingly. http://now.netapp.com/public/downtime.shtml Thanks, Renee Get Answers on NOW (Netapp on the Web)! http://now.netapp.com --- Renee.LaLonde(a)netapp.com wrote: > > > Hi Everyone, > > The planned downtime window for "routine > upgrades/maintenance" to NOW is > actually scheduled only during late hours (US PDT) > on Saturdays. > We picked Saturday nights based upon the small > amount of web traffic that occurs > during this period so that we can minimize the > impacts to our customers. > > The outage that we experienced yesterday was due to > internal networking issues > and was not a "planned" outage. However, our > standard "planned downtime" > message below was displayed. We will look at making > this message more > representative of the issue at hand. > > Thanks for your feedback. If you have any > questions/further input please feel > free to send me an email directly. > > Best Regards, > > Renee La Londe > renee(a)netapp.com > E-Service Web Manager > Get Answers on NOW (Netapp on the Web)! > http://now.netapp.com > > > > -----Original Message----- > From: Jeff Innis [mailto:figaro911@hotmail.com] > Sent: Tuesday, July 18, 2000 4:51 PM > To: toasters(a)mathworks.com > Subject: NOW website down? > > > Seems the NOW website is down for "routine" > maintenance. Seems strange to be > having routine maintenance during what is still > business hours here on the > West Coast. Ok, not trying to be US centric but I'am > sure that most of > Netapps sales are from US based businesses, so it > would seem to be sensible > to do this during "off" hours, 2:00am EDT sounds > good. Comments from Netapp > folks? > > > J > > > > The NOW website will be > inaccessible due to routine > maintenance. > We apologize for the > inconvenience. > > To download software, please go to > download.netapp.com. > > The Global Support Center can be > reached during this time > (and at > all times) by the phone numbers > below: > > 1-888-4NETAPP (toll free > within U.S.) > 1-408-822-4700 (direct dial > from elsewhere) > 00 800 44 NETAPP (for > countries with UIFN; > toll-free) > +31 23 5679605 (for all > other countries; int'l call > r > > > ________________________________________________________________________ > Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com ===== Yours, Eyal Traitel eTraitel(a)yahoo.com, Home: 972-3-5290415 (Tel Aviv) *** eTraitel - it's the new eBuzzword ! *** __________________________________________________ Do You Yahoo!? Get Yahoo! Mail - Free email you can access from anywhere! http://mail.yahoo.com/

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RE: What about SSH
by Mike Sphar 31 Jul '00

31 Jul '00

If you're running Data ONTAP 5.3 or later, check the man page for SecureAdmin. Just go to http://[Your_Filer_name]/na_admin/man/na_secureadmin.1.html -- Mike Sphar - Sr Systems Administrator - Engineering Support Services, BOFH, GWP, MCP, MCP+I, MCSE, BFD -----Original Message----- From: Jay Orr [mailto:orrjl@stl.nexen.com] Sent: Monday, July 31, 2000 12:44 PM To: toasters(a)mathworks.com Subject: What about SSH Is there any way to use SSH to get to a server, so the password isn't broadcast over the network? If not, is there any other authentication method, or is it just straight telnet and console connections? ----------- Jay Orr Systems Administrator Fujitsu Nexion Inc. St. Louis, MO

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Virtual Interfaces and direct connections to servers
by David Lockwood 31 Jul '00

31 Jul '00

Has anybody had any experience of connecting UNIX servers directly to a NetApp filer and using Virtual Interfaces to get a broader bandwidth. I want to be able to bypass a network switch and use software on the UNIX box that will 'trunk' the UNIX servers network ports together? ---------------------------------------------------------------------- For further information on Benetton Formula 1 visit our web site at www.benettonf1.com. This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please destroy and notify Benetton Formula on +44 1608678000. ----------------------------------------------------------------------

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RE: Visio Stencils for NetApp filers
by Smart, Steve 31 Jul '00

31 Jul '00

http://now.netapp.com/NOW/cgi-bin/software/ The the link on bottom right of thep age will get you to the Visio stencil area. S -----Original Message----- From: David Lockwood [mailto:David.Lockwood@benettonformula.com] Sent: 31 July 2000 11:57 To: toasters(a)mathworks.com Subject: Visio Stencils for NetApp filers Does anyone know where I can get some Visio stencils for NetApp filers. I am particularly interested in a Stencil for the front and rear of an F740. ---------------------------------------------------------------------- For further information on Benetton Formula 1 visit our web site at www.benettonf1.com. This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please destroy and notify Benetton Formula on +44 1608678000. ----------------------------------------------------------------------

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Visio Stencils for NetApp filers
by David Lockwood 31 Jul '00

31 Jul '00

Does anyone know where I can get some Visio stencils for NetApp filers. I am particularly interested in a Stencil for the front and rear of an F740. ---------------------------------------------------------------------- For further information on Benetton Formula 1 visit our web site at www.benettonf1.com. This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please destroy and notify Benetton Formula on +44 1608678000. ----------------------------------------------------------------------

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RE: Netapp filesystem failure rate
by Mohler, Jeff 31 Jul '00

31 Jul '00

Lets add in 'environmentals' too. Ive been on site and seen: 120d ambient temp machine rooms. Racks with running filers being moved across a room by hammering a pipe at the base of the rack. Shelves dropped. Drives dropped. Heads dropped. A & B power supplies all on the same curcuit (causes FCAL brown out badness in a lot of cases) Leaky styrofoam cups placed on the filer head. Drives SLAMMED home when replaced/installed by customer. Stripped screws securing a shelf having the heads hammered off with a chisel..with the shelf/drives still spinning ..and the winner... ...a serial cable in place of a FCAL jumper cable. -----Original Message----- From: Bruce Sterling Woodcock [mailto:sirbruce@ix.netcom.com] Sent: Monday, July 31, 2000 1:18 AM To: Mohler,Anissa; 'Brian Tao' Cc: toasters(a)mathworks.com Subject: Re: Netapp filesystem failure rate > As far as actual field numbers... I really don't know ;( Actual field numbers would no doubt be greater, since you are dealing with a wider variety of drives over history (presumably some less reliable than the current ones) and you also have some rare software / firmware bugs that probably necessitated a restore once or twice. Bruce

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