toasters December 1999

toasters@lists.teaparty.net

100 participants
81 discussions

Backup Help
by Alan R. White 01 Dec '99

01 Dec '99

With the recent slew of mails about backups this question is timely. Problem 1 - we're an ADSM shop. We have all the infrastructure set up to run ADSM but until now we've not had filers. Pretty soon, all things being equal, we're going to start a project which might end up as 5TB of filers over 10 heads, in 5 clusters. At the remote site we're thinking of 5 heads with 1TB each as a snapmirror destination. There's plentiful network bandwidth available between the sites. OK, snapshots will take the bulk of our restore work but there will be the usual 'keep monthly backup for 12 months, yearly for ever (= 7 years in my book)'. Then there's what to do if one breaks (double disk hit / reconstruct failure etc etc - not likely but I'm not betting the bank on it). Checking with the ADSM folks they think they will have a pretty wholesome NetApp integration by end *next* year. Timely as usual (not). So what to do? When and if ADSM native support becomes a reality we should use it if possible so its an interim thing we need. How about backups over CIFS (because I will need the security info - NFS doesn't back it up apparently)? I didn't think local tape drives was an option due to the size of each filer (500GB) and then the number of filers (10). I reckon I'd need 4 drives on each filer and then bodies running round changing them. BTW the business requirement will be to get them a service back soonest in case of outage - snapmirror looks like a last resort because it seems a tad awkward to fail back when the primary is repaired. I've read the NetApp white papers but there doesn't seem to be an ideal solution. All help gratefully received. Regards Alan

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FC-AL: Onboard vs. PCI Adapter Card
by Norman, Paul 01 Dec '99

01 Dec '99

Over the last couple days, there has been some discussion about on-board FC-AL in our filers. This summer, NetApp started shipping filers with an FC-AL adapter card rather than the on-board FC-AL to improve reliability and performance. We did this because we found errors which, though recoverable, potentially effect performance and loop stability. The problem effected a very small fraction, just a few percent, of the installed base. As for the installed base, we've been monitoring Autosupport logs each week to identify Filers that are having these types of errors and arranging for installation of an FC-AL adapter card in cases that warrant it. Our customer support organization is fully aware of this issue and if a customer calls with an FC-AL problem we review their logs for the soft-errors, and arrange for installation of an adapter card where appropriate. Since it effects a very small number of installed systems, it doesn't make sense to upgrade the entire installed base. Leave stable systems lie or if it ain't broke, don't fix it. Most filers will never see this problem and the recoverable errors indicative of the problem are easily identified --- so we are approaching this problem on a case-by-case basis. For more information, or if you have concerns about your system, contact Network Appliance customer support. There will also be more technical information posted on the NOW site before the end of the day tomorrow. Paul Norman, Product Manager Direct: (408) 822-6288 Network Appliance E-Mail: pnorman(a)netapp.com 495 East Java Drive Corp: (408) 822-6000 Sunnyvale, CA 94089 Web: WWW.NetApp.Com

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NOW update?
by Pete Ehlke 01 Dec '99

01 Dec '99

Folks: Six weeks or so ago, there was extensive discussion here about the use of javascript on NOW, and the inability of people in colo cages to get OnTap updates when no craphics capable console is available. NetApp made a fair bit of noise about wanting to address the issue, but since that time, the silence has been deafening. What's happening? -P. -- Pete Ehlke Sys Admin type @ Sony Music entertainment "Once is happenstance, twice is coincidence, three times is enemy action." -- Ian Fleming

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RE: Backup solutions
by Jim Cozens 01 Dec '99

01 Dec '99

We've been using Workstation Solutions Quick Restore to backup an F740(DOT5.2.3) via NDMP to an Exabyte 220 Mammoth library for a couple of months now. I've found it to be an excellent combination. One of the nice things about WS is that if you do find a bug they'll fix it quick. I haven't had any problems with the filer crashing while backing up. Jim Cozens CAD Systems Manager Imagination Technologies Ltd Home Park Estate Kings Langley Herts UK -----Original Message----- From: mgx(a)spruce.lsd.ornl.gov [mailto:mgx@spruce.lsd.ornl.gov] Sent: Tuesday, November 30, 1999 10:30 PM To: lpaton(a)cfa.harvard.edu Cc: toasters(a)mathworks.com Subject: Re: Backup solutions hi lisa ... are you a happy budtool user ;-) i'd really like to here about the demo. a reliable, affordable NDMP backup solution would be great! -- michael On Tue, Nov 30, Lisa Paton wrote: > > Actually Workstation Solutions has an NDMP client too. > They seem to be a bit cheaper than Veritas, but less > scalable for very large installations. For me, that's > fine. Especially considering it's about 1/3 the price. > > I'm demo'ing the Workstation Solutions product next > week and will post the results if folks are interested. > We're also a current Budtool customer. > > Lisa

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RE: Backup solutions
by Jim Cozens 01 Dec '99

01 Dec '99

According to the release notes QR does support 3-way NDMP backup and recovery. -----Original Message----- From: Brian Tao [mailto:taob@risc.org] Sent: Wednesday, December 01, 1999 3:18 PM To: Jim Cozens Cc: 'mgx(a)spruce.lsd.ornl.gov'; lpaton(a)cfa.harvard.edu; toasters(a)mathworks.com Subject: RE: Backup solutions On Wed, 1 Dec 1999, Jim Cozens wrote: > > We've been using Workstation Solutions Quick Restore to backup an > F740(DOT5.2.3) via NDMP to an Exabyte 220 Mammoth library for a > couple of months now. Does QR support 3-way NDMP dumps where the tape library is located on a Solaris host (i.e., does QR come with an ndmpd for Solaris)? Veritas also does 3-way, but only to a tape drive attached to another filer. I need something that can efficiently handle over a dozen filers dumping to a couple of Solaris boxes sharing a single stacker (like an X200 Mammoth2 library or something). -- Brian Tao (BT300, taob(a)risc.org) "Though this be madness, yet there is method in't"

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RE: FTP uploads from the UK
by Sam Schorr 01 Dec '99

01 Dec '99

Don't feel alone...the US ftp site does not handle large core dumps very well either. I am constantly getting "connection closed by remote" while trying to send a core of approx. 730 meg (F760 with gig of memory). I've been "hearing" about an upgrade for months. Maybe their ftp process has "feature creep" so they can't do what has been going on for years by others quite successfully. -----Original Message----- From: Dave Atkin [mailto:dla1@york.ac.uk] Sent: Wednesday, December 01, 1999 1:00 AM To: toasters(a)mathworks.com Subject: FTP uploads from the UK I'm having awful trouble uploading core dumps these days from the UK. Very often it goes slowly and then the ftp times out with a "broken pipe". Access to everwhere else (including the Netapp web site) is quite fast so I don't think our UK academic network is to blame. At the moment the mean time between crashes on one of our 740s is less than the mean time to get an upload to work!! Is there any chance that Netapp could look at this or alternatively perhaps provide a European ftp site? Or maybe a web-based upload facility might be provided as an alternative to ftp (dunno if that would be more reliable or not..). Dave Atkin ------------------------------------------------------ Dave Atkin, Head of Technical Services Computing Service, University of York, YORK YO10 5DD Phone: +44-1904-433804 (ddi) Fax: +44-1904-433740 Email: D.Atkin(a)york.ac.uk ------------------------------------------------------

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SnapMirror
by Gilles TOURPE 01 Dec '99

01 Dec '99

Hello, Get a question regarding SnapMirror ... Did someone is using it to replicate 2 filers ( na1, na2 ) to 1 guy on a remote site ( nahots ). The idea is to backup all datas ( no REAL TIME ) using the snapMirror software. Do you know if it integrates reporting functions ? Volumes transfered over Time it took, Errors, What are the way to get those reports ( MAIL, update HTML pages on the FilerView ... ). Well, basically, what I like to get is a nice successful story :-) Thanx Gilles ------------------------------------------------------------ Gilles TOURPE - System and Network Administrator APS BNP ARBITRAGE - Salle des marches ACTIONS - PARIS - France Phone : (33)-1-40-14-24-03 e-mail : gilles(a)bnpcn.com

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RE: FTP uploads from the UK
by Garrett Burke 01 Dec '99

01 Dec '99

Hi Dave, I was told by Netapp about 2 months ago that they were upgrading their pipe and server. The SE I was dealing with found it a complete pain as well. Hopefully it will happen sooner rather than later. GB > -----Original Message----- > From: Dave Atkin [SMTP:dla1@york.ac.uk] > Sent: Wednesday, December 01, 1999 9:00 AM > To: toasters(a)mathworks.com > Subject: FTP uploads from the UK > > I'm having awful trouble uploading core dumps these days from the UK. > Very often it goes slowly and then the ftp times out with a "broken > pipe". Access to everwhere else (including the Netapp web site) is quite > fast so I don't think our UK academic network is to blame. > ------------------------------------------------------ ******************************************************************* This email and any files transmitted with it are confidential and are solely for the use of the individual or organisation to whom they are addressed. If you have received this mail in error please notify the system administrator at +353 1 6399700 or by email to hostmaster(a)msc.ie This email message has been swept for computer viruses. Managed Solutions Corporation, Enterprise Customer Relationship Management, Workflow and Contract Administration. Tel: 353 1 639 9700 Fax: 353 1 639 9701 Don't forget to visit our website at http://www.msc.ie ********************************************************************

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FTP uploads from the UK
by Dave Atkin 01 Dec '99

01 Dec '99

I'm having awful trouble uploading core dumps these days from the UK. Very often it goes slowly and then the ftp times out with a "broken pipe". Access to everwhere else (including the Netapp web site) is quite fast so I don't think our UK academic network is to blame. At the moment the mean time between crashes on one of our 740s is less than the mean time to get an upload to work!! Is there any chance that Netapp could look at this or alternatively perhaps provide a European ftp site? Or maybe a web-based upload facility might be provided as an alternative to ftp (dunno if that would be more reliable or not..). Dave Atkin ------------------------------------------------------ Dave Atkin, Head of Technical Services Computing Service, University of York, YORK YO10 5DD Phone: +44-1904-433804 (ddi) Fax: +44-1904-433740 Email: D.Atkin(a)york.ac.uk ------------------------------------------------------

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Backup solutions
by Paul Taylor 01 Dec '99

01 Dec '99

Hi. We have two netapps, an f630 and an f760. We are currently using Budtool to back up everything, but we are less than pleased with performance, and the fact that the product is getting EOL'd by Leggato. What is everyone's opinion on what they use for backups? We are considering Workstation Solutions, and Legatto, among others. Thanks, Paul Taylor Sr. Systems Engineer Connectria 215-841-5540

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toasters December 1999