toasters

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13531 discussions

Accessing a share from DOS.
by Benny Wiström 27 May '02

27 May '02

Is it possible to access a share on a filer from DOS 6.22? When I try this I get the following error message: "the network has responded incorrectly" Is DOS supported at all? /Benny

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Archives
by Aldrich David S 23 May '02

23 May '02

How do I access the archives of this list? Thanks. David S. Aldrich John Deere Waterloo Works P.O. Box 270 Waterloo, Iowa 50701 Phone 319-292-8638 Fax 319-287-1154 Email AldrichDavidS(a)JohnDeere.com

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RE: Archives
by Allen, Pat 23 May '02

23 May '02

There's a search front-end at http://teaparty.mathworks.com:1999/toasters/Search.html -- Pat -----Original Message----- From: Michael Galloway [mailto:mgx@ornl.gov] Sent: Thursday, May 23, 2002 6:29 AM To: Aldrich David S Cc: 'toasters(a)mathworks.com' Subject: Re: Archives Hi Aldrich! here is the one i use. no searchable archive that i'm aware of. http://teaparty.mathworks.com/toasters/ -- michael On Thu, 23 May 2002, Aldrich David S wrote: > How do I access the archives of this list? > > Thanks. > > David S. Aldrich > > John Deere Waterloo Works > P.O. Box 270 > Waterloo, Iowa 50701 > > Phone 319-292-8638 > Fax 319-287-1154 > Email AldrichDavidS(a)JohnDeere.com > > > >

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NetApp CP exams
by Jacek Nogala 21 May '02

21 May '02

I am just preparing myself for NSO-400 and NSO-500 exams. Any hints regarding exam preparations and learning resources (except NOW/TechLib/documentation) will be greatly appreciated. Best regards, Jacek Nogala __________ Jacek Nogala /______/__/ Al. Jerozolimskie 65/79 jacek.nogala(a)solidex.com.pl _\____\___/ 00-697 Warszawa, Poland http://www.solidex.com.pl /______/__/ Tel: +48 (22) 630 66 11 SOLIDEX S.A. Fax: +48 (22) 630 66 13

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RE: head swap
by Joe Luchtenberg 20 May '02

20 May '02

Since you indicated that you have a 600GB vol0 on an F740, that may mean that you've already maxed out on capacity (depending on what you meant by 600GB -- raw/useable?; any other volumes?). Therefore, you may have to do the head swap first and then create the new vol0 once you're up and running on the F840. Joe > -----Original Message----- > From: Chris Blackmor [SMTP:chris.blackmor@amd.com] > Sent: Monday, May 20, 2002 4:30 PM > To: Leonard, Roger > Cc: 'toasters(a)mathworks.com' > Subject: Re: head swap > > Roger, > The 7XX to 8XX swap is a different architecture and requires very delicate > > handling to avoid problems. We have done two in the past and I found out > just how to screw it up on the first one. ;) > > 1. Changing root volume > You can create a 2 disk volume naming it something other than vol0 > and copy over all of /etc from vol0 > Do a vol rename on the original root volume to something other than > vol0 > Do a vol rename on the 2 disk volume to vol0 > Set the 2 disk volume to a root volume with the vol options command > Reboot > > Once up and running you can remove the original /etc/ dir from the > original volume and your new volume will now hold all your > data. This also assumes that no one is mounting the data > from vol0 at the time. That is another can of worms. > > This will put the 2 disk volume as the root volume but it is > something > that you need to do quickly so that everything in root on the new > volume is the same as on the original volume > > 2. Changing the head for a 7->8 was a long time ago for me and I don't > want > to steer you wrong. You should really contact tech support and make > sure > that they give you all the steps. > > Good luck. > C- > > > On Mon, May 20, 2002 at 02:45:56PM -0400, Leonard, Roger wrote: > > i am thinking about swapping out a 740 for an 840 head. The 740 has a > big > > vol0 (600G) that i would like to rename to something else in the process > and > > dedicate a 2 disk RAID set to vol0 on the new head with a new 6.1 > install. > > is it a simple matter of configuring the new vol0 on the new head and > > plugging in the old vol0 and rebooting? or do i need to do some sort of > > rename and wipe out the old OS somehow. never having done a head swap > > before i would appreciate any pointers anyone could give me. > > > > thanks > > > > roger > > > > -- > -------------------------------------------------------------------------- > --- > * | When you give a lesson > * > * Chris Blackmor _______ | in meanness > * > * Advanced Micro Devices \____ | | to a critter or a > person, * > * Phone: (512) 602-1608 /| | | | don't be surprised > * > * Fax: (512) 602-5155 | |___| | | if they learn their > * > * Email: chris.blackmor(a)amd.com |____/ \| | lesson > * > * | Author > Unknown* > -------------------------------------------------------------------------- > --- > * My comments are mine, and mine alone. > * > -------------------------------------------------------------------------- > ---

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head swap
by Leonard, Roger 20 May '02

20 May '02

i am thinking about swapping out a 740 for an 840 head. The 740 has a big vol0 (600G) that i would like to rename to something else in the process and dedicate a 2 disk RAID set to vol0 on the new head with a new 6.1 install. is it a simple matter of configuring the new vol0 on the new head and plugging in the old vol0 and rebooting? or do i need to do some sort of rename and wipe out the old OS somehow. never having done a head swap before i would appreciate any pointers anyone could give me. thanks roger

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ip.tcp.sack.enable spontaneously toggling in 6.2 ?
by Chris Thompson 17 May '02

17 May '02

I have an F740 running ONTAP 6.2. Something odd seems to be happening to the value of "options ip.tcp.sack.enable" - it toggles spontaneously between "off" and "on" once an hour for no apparent reason! This seems to happen at the same time that /etc/registry is rewritten with a new "state.config.refresh.last" value. Can anyone else running 6.2 or 6.2R1 confirm that they see the same effect? [ For amusement only: I run a weekly job to check that all the options are what I expect and to report any differences. I noticed an oddity (now explained by the above) when I updated the reference values after upgrading 6.2 over 6 weeks ago, but didn't investigate at the time. The jobs always run at the same time of day, and so there have been an even number of toggles between them ... but the "once an hour" turns out to be more like "one hour plus one second", and the slow drift has apparently now caused there to be an odd number of toggles during the last week! This is what I guess from looking at /etc/registry in the snapshots, at least. ] Chris Thompson Email: cet1(a)cam.ac.uk

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RE: nfs performance problems
by Leonard, Roger 17 May '02

17 May '02

what seemed to help my situation was turning on nfs V3 on the filer along with putting 5.37r3 down. the cp-from-cp went down, but not away and the client timeouts stopped. my filer load is still way high but i think the client not having to resend all those 32k blocks cut down a lot on the net load. -----Original Message----- From: Kelvin Edwards [mailto:kelvin@jlab.org] Sent: Friday, May 17, 2002 2:36 PM Cc: 'toasters(a)mathworks.com' Subject: Re: nfs performance problems We've been chasing some NFS timeout issues here as well. The systat 1 command on the filer doesn't look very bad, however, I did the wafl_susp -z followed by a wafl_susp -w after a few minutes(approx 5). The value at that time was >= 1 and it continued to increase over time. The recommendation below was to wait 30 seconds before checking the value, but does it matter. Does a value other than 0 in this parameter mean the filer is denying write requests to users ? Kelvin Edwards System Admin Jefferson Lab Brian Long wrote: > >The other command you can use to gather meaninful data is wafl_susp. Run >wafl_susp -z to reset the stats. Wait 30 seconds or more and then run >wafl_susp -w (you may want to do this via rsh and save the output to a >file). > >In the output, there is a field called "cp_from_cp". If this is called at >all, your NVRAM is overflowing and denying write requests to users. >cp_from_cp means you're in the middle of checkpointing the first half of >NVRAM and yet the second half already filled up and needs to checkpoint as >well. This is VERY bad. > >

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RE: Antivirus Scanning in DOT 6.1.3
by Nail, Larry 17 May '02

17 May '02

1. What kind of performance impacts do you see in production environments? With at 2 scanners per head, we've seen no impact. Whilst one scanner is busy with a big file, the 2nd will take up the slack. Now if they're all down, no files served depending on your timeout settings. Also, watch your extension list & adjust it accordingly. We scan more than the default extensions (we dumped this in the rc file < vscan extensions add PIF,VB?,WJS,WSF,ADP,EML,LNK,CHM,VBE >) 2. What type of network interconnects are you using? In particular, would a VLAN on top of gigabit Ethernet be OK? We're using an isolated Gigabit Ethernet (Copper) network to connect all the scanners & heads. We considered VLAN, but it cost us more for ports on a Cisco 6513 vs. just buying a 3805 (I believe that is the model #) with fiber to copper transcievers. If you've got the ports for VLAN, it'll work great. You can also do cross-over cables, but it won't work if a cluster fails over. 3. Are there any recommendations about the vendors? We use Trend ScanMail for our Exchange servers and have been happy with that product. We also use NAV for our desktops. In our eval of Carrier Scan, McAfee & Trend - Trend won hands down. 4. Are there any horror/satisfaction stories or questions I missed? Nope, it's pretty straight forward once you're set up. THANKS! --- Pat Allen (pat(a)mbari.org) Monterey Bay Aquarium Research Institute (MBARI) 7700 Sandholdt Rd, Moss Landing, CA 95039 (voice) 831-775-1724; (fax) 831-775-1620

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RE: nfs performance problems
by Leonard, Roger 17 May '02

17 May '02

actually i meant nfs tcp, not version 3. sorry. -----Original Message----- From: Leonard, Roger [mailto:Roger.Leonard@marconi.com] Sent: Friday, May 17, 2002 3:43 PM To: 'Kelvin Edwards' Cc: 'toasters(a)mathworks.com' Subject: RE: nfs performance problems what seemed to help my situation was turning on nfs V3 on the filer along with putting 5.37r3 down. the cp-from-cp went down, but not away and the client timeouts stopped. my filer load is still way high but i think the client not having to resend all those 32k blocks cut down a lot on the net load. -----Original Message----- From: Kelvin Edwards [mailto:kelvin@jlab.org] Sent: Friday, May 17, 2002 2:36 PM Cc: 'toasters(a)mathworks.com' Subject: Re: nfs performance problems We've been chasing some NFS timeout issues here as well. The systat 1 command on the filer doesn't look very bad, however, I did the wafl_susp -z followed by a wafl_susp -w after a few minutes(approx 5). The value at that time was >= 1 and it continued to increase over time. The recommendation below was to wait 30 seconds before checking the value, but does it matter. Does a value other than 0 in this parameter mean the filer is denying write requests to users ? Kelvin Edwards System Admin Jefferson Lab Brian Long wrote: > >The other command you can use to gather meaninful data is wafl_susp. Run >wafl_susp -z to reset the stats. Wait 30 seconds or more and then run >wafl_susp -w (you may want to do this via rsh and save the output to a >file). > >In the output, there is a field called "cp_from_cp". If this is called at >all, your NVRAM is overflowing and denying write requests to users. >cp_from_cp means you're in the middle of checkpointing the first half of >NVRAM and yet the second half already filled up and needs to checkpoint as >well. This is VERY bad. > >

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nfs performance problems
by Leonard, Roger 17 May '02

17 May '02

I have a 740 with ~600GB of data. it is running 5.36r2. it has 512mb of ram and is running oc-3 (155mb) atm. periodically i see the good old "nfs server suchandsuch not responding" on various mid-range solaris boxes. and users complain about bad performance. general network performance is good for file transfers etc. there is a Ontap bug 12898 for 5.36r2 relating to these indications but in a TCP nfs environment. most of my solaris NFS mounts are V3 UDP. i am going to do an upgrade anyway but I was wondering if anyone else has seen this type of indication. also, see below the output of my sysstat. this goes on most of the day. it looks to me as if my filer is getting hammered. what do you guys think? thanks roger CPU NFS CIFS HTTP Net kB/s Disk kB/s Tape kB/s Cache 51% 4074 1 0 2854 3059 2040 908 0 0 1 100% 4146 0 0 4803 5471 6737 10593 0 0 1 67% 3228 1 0 4511 5770 3899 3587 0 0 1 81% 1894 0 0 3431 3363 8564 10631 0 0 1 71% 2308 0 0 5999 6482 3671 2843 0 0 1 57% 2108 1 0 2645 3359 4482 7641 0 0 1 65% 2882 1 0 5364 8072 3736 0 0 0 1 99% 2466 0 0 8339 7281 5808 6465 0 0 1 96% 2264 2 0 2869 3556 10404 12876 0 0 1 84% 4252 0 0 4003 2174 4090 12652 0 0 1 70% 3063 0 0 2939 4694 4820 5616 0 0 1 67% 3098 1 0 3097 4024 2878 10606 0 0 1 66% 4958 0 0 5352 2693 2137 0 0 0 1

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ORA-07353 on NetApp F760 at 100MBit
by Joseph Bishop 17 May '02

17 May '02

Hello folks, Has anyone seen a message like this while trying to create an Oracle datafile from SUN Solaris under heavy Network load? ERROR at line 1: ORA-01119: error in creating database file '/blah/blah/blah.dbf' ORA-07353: sfccf: close error, unable to close file. SVR4 Error: 11: Resource temporarily unavailable There isn't much noted on the Oracle site. I am just curious if anyone has seen it and if it is an NFS timeout problem? I have checked /var/adm/messages but I don't seen anything. Joe

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Antivirus Scanning in DOT 6.1.3
by Allen, Pat 17 May '02

17 May '02

Hi everyone, I'm taking a look at the antivirus scanning capabilities in DOT 6.1.3. I've looked at the white paper that NetApp put together (http://www.netapp.com/tech_library/3107.html) and have some questions for those of you who might have implemented it: 1. What kind of performance impacts do you see in production environments? 2. What type of network interconnects are you using? In particular, would a VLAN on top of gigabit Ethernet be OK? 3. Are there any recommendations about the vendors? We use Trend ScanMail for our Exchange servers and have been happy with that product. We also use NAV for our desktops. 4. Are there any horror/satisfaction stories or questions I missed? THANKS! --- Pat Allen (pat(a)mbari.org) Monterey Bay Aquarium Research Institute (MBARI) 7700 Sandholdt Rd, Moss Landing, CA 95039 (voice) 831-775-1724; (fax) 831-775-1620

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lock manager in 6.2 is broken....fyi
by Jeff Kennedy 17 May '02

17 May '02

There is now a bug id regarding the lock manager in 6.2. Using ReflectionX to nfs mount a volume under 6.2 causes failed writes/copies with a 'delayed write error' message. After a bit of testing with support they have concluded that it's definitely a bug in OT. Apparently the lock manager was completely rewritten for 6.2. The bug id is 71703. It may still be internal. -- ===================== Jeff Kennedy Unix Administrator AMCC jlkennedy(a)amcc.com

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Fastlane DM Administrator
by Don.Hickey＠alcatel.com 17 May '02

17 May '02

I was wondering if anyone uses this product against their filers? I have an 840 cluster running 6.1.2r2 and would like to have an operations group administer local cifs groups and directory permissions. We use this on our NT side and it works well but we've run into a few bumps with the filer. I don't want this group to have root permission but I don't want to be bothered updating permissions for every directory on the thing. Is there another product that is commonly used? Thanks Don

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Re: Do file locks affect snapshots?
by Don.Hickey＠alcatel.com 17 May '02

17 May '02

Steve One thing to note is that if you are running in a multiprotocol environment you may find some snapshot files inaccessable through windows. The reason: If you access a file via NFS only and later try to view/recover that file from a snapshot directory with windows the result will be permission denied. This is because the first time you access a file with windows it converts the filename to unicode format. It can't do this inside a snapshot since it is a read only filesystem. There are cifs and wafl options you can set to avoid this. You noted that later you could access the file via w2k.... was it the same snapshot or a later snap? I suspect if you were doing a filer wide virus scan then the file would have been touched (in the live directory) thus converting it to unicode.... Just a thought.... Don Steve Losen <scl(a)sasha.acc.virginia.edu> Sent by: owner-toasters(a)mathworks.com 2002-05-09 09:59 AM To: toasters(a)mathworks.com cc: Subject: Do file locks affect snapshots? We are running ONTAP 6.1.1R2. I thought I read somewhere that there are no file locks in a snapshot. The snapshot is read only, but no files are locked, so you can open any file if you have the necessary permissions. However, I was running a virus scan (Norton) on a snapshot and it failed to open a few files, according to the log. I'm pretty sure it was not a permissions problem. We use unix passwd authentication for CIFS and therefore all files have unix permissions. The CIFS user was root (uid 0) and Norton successfully scanned about 180,000 files, many of which are readable only by owner (and superuser). Norton failed to open 16 files. Here is an error from the log: Scan could not open file F:\weekly.0\a\af\afc3f\private\Disparity.doc [00000012] (We made a read only share out of the .snapshot directory and attached it to drive F) So that got me wondering about file locks. If a file is locked when a snapshot is created, is the lock included in the snapshot? And if so, does it lock the file in the snapshot? Or else, if a file in the active filesystem is currently locked, does that affect access to the corresponding file in a snapshot? Later on, using the same share as above, I was able to copy the file to the local desktop, so W2000 was able to open it. Maybe it's a Norton thing. I'll try and look up that error code [00000012]. Is this a CIFS error perhaps? By the way, Norton failed to open some other files with error code [00000003] but the ones I checked were all symlinks that the filer could not follow, so that makes perfect sense. Steve Losen scl(a)virginia.edu phone: 434-924-0640 University of Virginia ITC Unix Support

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CIFS Virus Scanning
by Strange, John 16 May '02

16 May '02

Hey Gang, I need to create a cifs share that I can virus scan monthly, I would like to set this up with CIFS, but the underlying unix permissions seem to override and I get permission denied on the files. Is there anyway I can setup a CIFS share that does not use the underlying unix permissions. I had the share set to full permissions and it does get some of the things but a few locked down unix directories seem to get permission denied on. Unless someone knows a good virus scanner that will run on linux/solaris. Thanks, - John

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Re: CIFS Virus Scanning
by Joseph Bishop 16 May '02

16 May '02

John, Our email group has just gone through research on anti-virus for Solaris. They suggest looking into Trend Micro VirusWall . Cheers, Joe At 11:29 AM 5/16/02 -0400, Strange, John wrote: >Hey Gang, > >I need to create a cifs share that I can virus scan monthly, I would like to >set this up with CIFS, but the underlying unix permissions seem to override >and I get permission denied on the files. Is there anyway I can setup a >CIFS share that does not use the underlying unix permissions. > >I had the share set to full permissions and it does get some of the things >but a few locked down unix directories seem to get permission denied on. > >Unless someone knows a good virus scanner that will run on linux/solaris. > >Thanks, > >- John

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Oracle 8.1 vs. netapp
by Chris Moll 16 May '02

16 May '02

Anybody seen any performance changes with going to oracle 8.1.7 (from 8.0.5) with the databases on netapp storage? (host is sun enterprise 5000, solaris 2.6). Many batch jobs ran dramatically slower on a DB that was upgraded from 8.0 to 8.1. Fingers are getting pointed to the netapp, partly 'cause nobody wants to contemplate down-revving the database. The fact that the jobs ran fine on the netapp before the upgrade would seem to exonerate it but it's a convenient target... A few efforts at tuning the DB seemed to reclaim much of the loss; I'm no oracle expert but it sounds to me like the DB is far from optimal, for example it's set to a 2k block size which seems questionable to me. Anyway - anyone encountered anything similar? Chris Moll Lawrence Berkeley Laboratory

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Diskshelf/FC failure modes
by Garrett Burke 15 May '02

15 May '02

Hi All, I'd like to get some feedback on what issues people have seen in the field with diskshelves and/or FC loop that have caused either decreased performance, an outage or cluster failover. In particular I'd like to know if any particular shelves seem more error prone to either failures or operator error e.g. disks not seated properly, misconfiguration etc and also how people have found the DS14 shelves in the field. I've both SCSI ( F230, F520) and FC filers (F720, F740, F740c, C760, F840 and F840c) with FC8, FC9 and DS14 shelves. Thanks, GB ---- Garrett Burke, Operations Manager, Eircomnet. http://www.eircom.net

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NetIO DMA Re-ACLing
by Lim, Weng Kiam 15 May '02

15 May '02

Hi, Seeking feedback from users who had tried using the NetIQ's DMA (Domain Migration Administrator) to migrate from NT to 2000 domain and perform the re-ACL on all files in the Netapp filer. Any issues that I should watch out for? TIA Weng-Kiam Lim

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unable to create files longer than 16 chars?
by Kelsey Cummings 14 May '02

14 May '02

I've got the spooky problem here, NetApp support is working on it now but I thought I'd ask here too. This morning a unix only qtree filled up, we added space and deleted some cruft from it. So now, it's got _plenty_ of room. However, it won't let anything create a file with a name longer than 16 chars: IE: # touch /nfs/mail/kgc.really.long.filename.weirdness touch: /nfs/mail/kgc.really.long.filename.weirdness: No space left on device # touch /nfs/mail/kgc.fubar It's isolated to the single qtree on a 740 cluster running 5.3.7. This is got us spooked. Anyone ever seen this before? (I hear rumors that sometimes this happens in a CIFS environment, but we are 100% NFS.) It's also be verified to _not_ be a client problem. -- Kelsey Cummings - kgc(a)sonic.net sonic.net System Administrator 300 B Street, Ste 101 707.522.1000 (Voice) Santa Rosa, CA 95404 707.547.2199 (Fax) http://www.sonic.net/ Fingerprint = 7F 59 43 1B 44 8A 0D 57 91 08 73 73 7A 48 90 C5

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RE: 740 SCSI tape controller slot assignment?
by Eisler, Alex 13 May '02

13 May '02

Well, if you take a look at /etc/sysconfigtab, you'll be able to see all the "right" configurations. One of the lines read: allow F740 X201X 1 6,2 2 which actually means that it's slots 6 and 2. (This is from a 6.1.1 system also). There are two options: The manual is right and this file has a typo (happened before) which means you can just correct it in this file and that's it (if the tape is working OK, then this should be the fix). The other option is that the manual is wrong and the file right, which means you have to move the adapter to either slot 2 or 6. I would consult NetApp before doing any of these... Alex. -----Original Message----- From: Jim Davis [mailto:jdavis@cs.arizona.edu] Sent: Monday, May 13, 2002 13:39 To: toasters(a)mathworks.com Subject: 740 SCSI tape controller slot assignment? A 740 running 6.1.1 keeps logging sysconfig: SCSI Adapter card (PN X201X) in slot 1 must be in one of these slots: 6,2. and indeed we do have a DLT7000 hooked up to a SCSI adapter in slot 1. But checking the 6.1.1 configuration guide, "SCSI for tape" shows slot 6 as the first choice ("X1") and slot 1 as the second choice ("X2") and doesn't list slot 2 as a valid choice at all. What am I missing?

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re-registering filer in wins
by neil lehrer 10 May '02

10 May '02

data ontap 6.1x, nfs and cifs on f760s we may need to rebuild our wins databases. we can re-register our nt servers after clearing wins by doing nbtstat -RR from the server. how do you re-register a filer? restarting cifs will do it. i tried C:\WINNT>nbtstat -a file1 -RR and got back "Done Release and Refresh of Registered names" but i don't know if it really did anything. has anyone done this before, i didn't see anything in now other than restarting cifs. ---- regards

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Root Volume Free Space Requirement for DataONTAP Upgrade
by Chuah, Nicholas 10 May '02

10 May '02

Hi all, Is there any documentation or guideline out there for free space requirement on DataONTAP upgrade. Root volume is currently about 12G total with 1.5G free space. Roughly 90% full. Will be looking to upgrade from 5.3.5R2 to 6.1.2R3. Unfortunately increasing the disk capacity is not an option right now. Am I out of luck? Any advice would be appreciated. Regard, Nic

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