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13520 discussions

Re: nfs.tcp.enable option
by alexei＠mindspring.net 10 Oct '99

10 Oct '99

"Eyal Traitel" <r55789(a)email.sps.mot.com> writes: > It created a complete havoc for our site when we were with tcp (apps hangups > etc.) There were also some pretty substantial bugs with NFS over TCP. For a while NetApp shipped the filers with the option set to on, but after a while they set it to off by default. The problems I had experienced (a while ago; I have not needed to look into the tcp option again) was that after a while the client would not be able to talk to the filer. Something about the sequence numbers not being quite right. At any rate, thorough testing with your client sets would be a good thing to do before going live with it. Alex

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Re: downgrading from 5.3.1 to 5.2.3
by Mike Smith 10 Oct '99

10 Oct '99

> > "Puneet" == Puneet Anand <puneet(a)netapp.com> writes: > > > > Puneet> Jay, This might help > > > > Puneet> http://now.netapp.com/NOW/knowledge/contents/TIP/TIP_502.shtml > > > > Excellent. FYI - A search on "Downgrading" from NOW with all options > > checked didn't return that document. > > > > j. > > Hi Jay, > downgrading would not return the document but "revert" > would. Hope that helps. > > No, not really. The issue is that I wasn't able to find this document > using the search engine. The process I was looking for is called > downgrading, not reverting. The title of the document is "Downgrading > the Filer from Data ONTAP 5.3 through 3.1.6". I would therefor expect > a search on "downgrading" to return this document. While the filer > command is "revert_to", I didn't know this (if I did, I probably > wouldn't have needed this document in the first place). Ok. The point of sending the info was simply to give you the term to search on if you should ever need the document/procedure again. Sorry for any mis-communication. Just trying to be helpful. Indeed you are correct the process is downgrading. I guess the term revert is a Network Appliance term. I will cc the now-admin(a)netapp.com and have them include the meta-tag downgrade and downgrading to the document so that a search on those terms returns the document you had hoped to find. -- ~~~~~~~~~~~~~~~~~ Mike Smith mikesmit(a)netapp.com http://now.netapp.com 408-822-4755 Technical Support Engineer ~~~~~~~~~~~~~~~~~ > > Thanks. > > j. > -- > Jay Soffian <jay(a)cimedia.com> UNIX Systems Engineer > 404.572.1941 Cox Interactive Media

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nfs.tcp.enable option
by Graham Knight 09 Oct '99

09 Oct '99

All our filers do NFS using UDP. If i turn the nfs.tcp.enable option to on, does it *add* that capability, or does it do it one way or the other? Thanks, Graham

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Re: open bugs / closed bugs
by sirbruce＠ix.netcom.com 09 Oct '99

09 Oct '99

On 10/08/99 10:59:26 you wrote: >In searching for a bug on NOW, I've noticed that a majority of bugs >are still in the open state. Does this mean these bugs have not been >fixed? I always assumed open bugs were the ones that have not been fixed in a current release, yes. Note that NOW doesn't list all bugs, either, so there are probably a lot of bugs that are fixed that never make it on there. Customers probably want to know more about known bugs with workarounds than those without workarounds or have been fixed. >What does the 'release fix' column refer to? Does this mean the bug >applies only to that specific release, or that the bug was fixed in >that release, or that the bug was first noticed in that release? I always thought it meant the bug is (believed to be) fixed in that release (and all future ones based from it). >Are bugs numbered in a strictly sequential order? They used to be. >If so, how is it >that bug #289 applies to release 5.3? I'm not sure I understand the question. Are you surprised than a bug discovered years ago may have not yet been fixed? That's not unusual if the bug is rare or difficult to replicate, or requires some new features to resolve the problem. >It would be nice to see the bug tracking system be setup more clearly, >perhaps with the following fields: > >Date bug opened. >Date bug closed. >First release bug noticed. >Releases which contain bug. >First release which fixed bug. >State: (opened, analyzed, solved, fix incorporated into release). I thought NOW did contain that information (other than the dates), or was at least supposed to in the ideal world. Note it is a non-trivial problem to list all releases wich contain a bug, especially before the relevant code has been analyzed (which is generally very close to the time it would be fixed). So for an open bug, it is often going to be hard to trust that the bug isn't in your release as well, be it younger or older than the one in which the problem was first spotted. >I'd have to guess that the NOW bug system is not the same system used >internally by NA engineers. It used to be based of/integrated with it. Perhaps that has changed. Bruce

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downgrading from 5.3.1 to 5.2.3
by Jay Soffian 08 Oct '99

08 Oct '99

How would one go about downgrading an F540 from 5.3.1 to 5.2.3? This is not a production filer. Couldn't find anything on NOW. j.

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Autosupport, 5.2.3 upgrade, diskscrub and wackz
by Jay Soffian 08 Oct '99

08 Oct '99

We recently upgraded our clustered F740 pair to 5.2.3 from 5.2.2. This necessitated an upgrade of the firmware from 2.1_a2 to 2.2_a2, as well as a disk firmware upgrade from FB37 to FB59. On one of our filers, the first disk scrub that ran after the upgrade (6 days after the upgrade) found a bunch on parity inconsistencies: Sun Oct 3 02:50:39 EDT [viking: consumer]: Scrub found 212 parity inconsistencies Sun Oct 3 02:50:39 EDT [viking: consumer]: Scrub found 0 media errors Sun Oct 3 02:50:39 EDT [viking: consumer]: Disk scrubbing finished... Apparently, with 5.2.3 the filer now generates autosupport mail on disk scrubs, so a couple days after this scrub, I received email from NetApp that they had noticed the error. (This is two anomalous autosupport emails in a row that NetApp has opened cases on, so I'd like to acknowledge NA on that.) NA's recommendation was to re-run a disk scrub (which I did, and it completed w/o finding any errors) and then to run wackz (which I haven't done). Unforunately, I cannot find _any_ documentation on wackz on NOW. I've also searched the toasters archive for wackz and didn't find much. In particular, I'd like to know how much downtime I'm going to be saddled with. NA claims that wackz can process 25 million inodes/hour. Given: viking> df -i Filesystem iused ifree %iused Mounted on /vol/cim0a/ 1057771 2593665 29% /vol/cim0a/ that means the wackz should complete in < 10 minutes. From what I've heard about wack, I find this hard to believe (I've heard stories of wack running for 8+ hours). Or I'm missing something? I'm interested in hearing from anyone who has run wackz on a similar configuration and how long it took to complete. This filer has 21 9GB disks. The cim0a volume is composed of 3 raid groups (5+1, 5+1, 4+1). The vol0 volume is composed of a single raid group (1+1). BTW - I'm still not clear on the difference between wack and wackz. The previous explanation to toasters (wackz runs faster, does things in an optimized fashion) wasn't very enlightening. wack must do something above and beyond wackz (or the other way around), otherwise why would both still be included in DOT? RFE: It would be nice if the filer could run a wack (read-only) and report inconsistencies so that I could check the file system w/o downtime. If the filer requires an immutable filesystem to run wack, then DOT should allow you to tag a whole volume as read-only. I'd like to thank Ron Thibault of NA for his assistance so far. j. -- Jay Soffian <jay(a)cimedia.com> UNIX Systems Engineer 404.572.1941 Cox Interactive Media

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RE: Max number of drives.
by Alvarado, Michael 08 Oct '99

08 Oct '99

This also applies to the F630. It is 1.39 TB to be exact. -----Original Message----- From: tkaczma(a)gryf.net [mailto:tkaczma@gryf.net] Sent: Thursday, October 07, 1999 5:13 PM To: toasters(a)mathworks.com Subject: RE: Max number of drives. On Thu, 7 Oct 1999, Alvarado, Michael wrote: > Yes you look at the maximum storage capacity the OS supports. In the case of > the F760, it is 1.4TB. What about an F630 running the same OS? Tom

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Re: File locking, sendmail and toasters
by alexei＠mindspring.net 08 Oct '99

08 Oct '99

Nick Hilliard <nick(a)iol.ie> writes: > If you need to have text-based NFS-mounted client mailboxes, the only > reliable option is to use a mailbox format which doesn't require locking, > such as Maildir. Depending on what access is provided to the mail spool, yes, maildir is a safer, viable format. Check procmail for to use as an LDA for this or look a qmail for some other thoughts on how this is done. But not all instances can work with this. If you have shell users that do funky stuff based on the mbox format, this can be a problem. There are plenty of other cases where maildir is not a viable alternative to mbox. I hope you find what you need. Alex

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What Radius servers are recommended to work with the Netcache Appliance?
by Mike Ball 08 Oct '99

08 Oct '99

What Radius servers are recommended or have been tested with the Netcache appliance? Mike Ball Open System Solutions, Inc. 3124 Spring Forest Rd Raleigh, NC 27616 Fax: 919-871-6308 Vmail: 919-871-6301 ext. 311 Email: mball(a)opensystems.com Http: www.opensystems.com

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open bugs / closed bugs
by Jay Soffian 08 Oct '99

08 Oct '99

In searching for a bug on NOW, I've noticed that a majority of bugs are still in the open state. Does this mean these bugs have not been fixed? What does the 'release fix' column refer to? Does this mean the bug applies only to that specific release, or that the bug was fixed in that release, or that the bug was first noticed in that release? Are bugs numbered in a strictly sequential order? If so, how is it that bug #289 applies to release 5.3? It would be nice to see the bug tracking system be setup more clearly, perhaps with the following fields: Date bug opened. Date bug closed. First release bug noticed. Releases which contain bug. First release which fixed bug. State: (opened, analyzed, solved, fix incorporated into release). I'd have to guess that the NOW bug system is not the same system used internally by NA engineers. j. -- Jay Soffian <jay(a)cimedia.com> UNIX Systems Engineer 404.572.1941 Cox Interactive Media

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