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13520 discussions

RE: post-migration: sloooow response
by Hill, Aaron 02 Apr '03

02 Apr '03

I would start at the bottom and work my way up. So where is the bottom? Check physical and network layer type stuff. You mention no physical changes, but you have moved to layer 3, so it is a safe bet the problem is in there somewhere. Duplex mismatching maybe? Run netdiag -v on your filer and it will give you a pretty good analysis from the filer perspective. Check switches/routers for dropped packets, overflowing buffers and/or packet shaping. If you want to get down to the lowest layer and are good with packet headers/tcpdump, then do a packet trace on the filer (pktt) to a known good host and then to a known bad host (i.e. your ls hanging machine). I am betting netdiag or you switches/routers turn up something. If nothing shows there, work your way up to NFS/CIFS analysis. Thanks, Aaron -----Original Message----- From: pdunkin(a)lucent.com [mailto:pdunkin@lucent.com] Sent: Wednesday, April 02, 2003 2:39 PM To: toasters(a)mathworks.com Subject: post-migration: sloooow response The next (final??) phase of our network migration is almost complete. The server room and the users' offices have been moved from a Layer 2 network to a Layer 3 network, and everything has a new IP address. There have supposedly been no physical changes -- the same switches and servers and clients are involved as last week. One of the problems we're encountering is intermittent slow response time in interaction with the NetApps. Example: I'm on the PC in my office. It has a session open with a Solaris server that automounts my home directory from a filer. If I cd to my home directory, it may take a countable number of seconds before the prompt comes back. If I try to ls my directory, it may take even longer. Running ls in /home (where *all* the home directories are, hundreds of them) takes so long that I've been giving up before I get any output. The slowness isn't consistent. Some of the Solaris servers haven't had much trouble at all. Some are pretty frustrating. It wasn't this way last week before the migration. Any ideas what may be wrong? Where are the likely places to start troubleshooting? Thanks! -- Patricia Dunkin Lucent Technologies pdunkin(a)lucent.com 600 Mountain Avenue 2F-213 Phone: 908-582-5843 Murray Hill, NJ 07974-0636 Fax: 908-582-3662

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post-migration: sloooow response
by pdunkin＠lucent.com 02 Apr '03

02 Apr '03

The next (final??) phase of our network migration is almost complete. The server room and the users' offices have been moved from a Layer 2 network to a Layer 3 network, and everything has a new IP address. There have supposedly been no physical changes -- the same switches and servers and clients are involved as last week. One of the problems we're encountering is intermittent slow response time in interaction with the NetApps. Example: I'm on the PC in my office. It has a session open with a Solaris server that automounts my home directory from a filer. If I cd to my home directory, it may take a countable number of seconds before the prompt comes back. If I try to ls my directory, it may take even longer. Running ls in /home (where *all* the home directories are, hundreds of them) takes so long that I've been giving up before I get any output. The slowness isn't consistent. Some of the Solaris servers haven't had much trouble at all. Some are pretty frustrating. It wasn't this way last week before the migration. Any ideas what may be wrong? Where are the likely places to start troubleshooting? Thanks! -- Patricia Dunkin Lucent Technologies pdunkin(a)lucent.com 600 Mountain Avenue 2F-213 Phone: 908-582-5843 Murray Hill, NJ 07974-0636 Fax: 908-582-3662

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quota question
by Charles Bartels 01 Apr '03

01 Apr '03

Hi, I have a question regarding quotas. I am accessing my home directory from both the UNIX and PC side of things and I have a number of entries in my quota file including a default quota. # Operations folks cbartels user@/vol/vol0/ops_home 7GB - * user@/vol/vol0/ops_home 3GB - When I do a "quota report" I see 2 lines which seem to refer to my account. The second line appeared after I edited and saved a file on the PC side. It seems like there are 2 separate quotas, one for unix files and one for pc files. I would rather have a single quota for all the files in the user's directory. Is there a way to do that? jupiter> quota report K-Bytes Files Type ID Volume Tree Used Limit Used Limit Quota Specifier ----- -------- -------- -------- -------- -------- ------- ------- --------------- user cbartels vol0 ops_home 1211688 7340032 10444 - cbartels user \cbartel vol0 ops_home 52 3145728 1 - Thanks. -Charles Bartels

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converting a directory to a qtree
by Garrett Burke 01 Apr '03

01 Apr '03

Hi, Has anyone any experience of converting a directory to a qtree (we want to make use of the qtree to qtree snapmirror features in DOT 6.2 and greater) There's a doc on NOW which gives two ways either do a copy, which requires enough free space (which we don't have) or to use the built in ndmpcopy feature of DOT. There's also the possibility of doing a 'mv' on each file, although I'd be a bit concerned that this might leave the filesystem in a less than optiomal state on the filer. I'd be interested in hearing from anyone who has done this, especially about throughput (The directories we need to convert have approx 150G of mail in them, so lots of small files, on a 840C) Thanks, GB ---- Garrett Burke, Service Implementation & Support Manager, Eircomnet. http://www.eircom.net

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RE: Windows Roaming Profiles on CIFS?
by Nail, Larry 31 Mar '03

31 Mar '03

1 thought is that the User's ID must have full control at the share & file level of the profile on the server. Did you tweak permissions on the client system's profiles directory at all? -----Original Message----- From: WILLIAMS VIGIL, NIS-3/DEC MS-D440, 505-667-3587 [mailto:wvigil@nisdp0.lanl.gov] Sent: Monday, March 31, 2003 12:58 PM To: TOASTERS(a)mathworks.com Hi: I'd like to know if anyone is using a filesever to host windows roaming profiles? Works OK from a W2K/NT4 windows server but the error message I see when trying from a filer is: "Cannot copy file \\toaster\users\unsername... to C:\..." "Windows cannot load the profile and is loging you in with a temporary profile..." Could this be a timing issue? Profile needed too early in the login process? Ws Williams E. VIGIL 505-667-3587 Pager: 104-4728 -------------------------------------------------------- "... description is not explanation and when it comes to primary causes science explains nothing." D. Grinspoon

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RE: Windows Roaming Profiles on CIFS?
by David Papas 31 Mar '03

31 Mar '03

We've been running roaming profiles to our F820 since DOT 6.1 w/o too much difficulty. Have you already ruled out permissions or network conditions type issues? -D. > -----Original Message----- > From: WILLIAMS VIGIL, NIS-3/DEC MS-D440, 505-667-3587 > [mailto:wvigil@nisdp0.lanl.gov] > Sent: Monday, March 31, 2003 12:58 PM > To: TOASTERS(a)mathworks.com > Subject: Windows Roaming Profiles on CIFS? > > > Hi: > > I'd like to know if anyone is using a filesever to host > windows roaming profiles? Works OK from a W2K/NT4 windows > server but the error message I see when trying from a filer > is: > > "Cannot copy file \\toaster\users\unsername... to C:\..." > > "Windows cannot load the profile and is loging you in with > a temporary profile..." > > Could this be a timing issue? Profile needed too early > in the login process? > > Ws > Williams E. VIGIL 505-667-3587 Pager: 104-4728 > -------------------------------------------------------- > "... description is not explanation and when it comes to > primary causes science explains nothing." D. Grinspoon >

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Windows Roaming Profiles on CIFS?
by WILLIAMS VIGIL, NIS-3/DEC MS-D440, 505-667-3587 31 Mar '03

31 Mar '03

Hi: I'd like to know if anyone is using a filesever to host windows roaming profiles? Works OK from a W2K/NT4 windows server but the error message I see when trying from a filer is: "Cannot copy file \\toaster\users\unsername... to C:\..." "Windows cannot load the profile and is loging you in with a temporary profile..." Could this be a timing issue? Profile needed too early in the login process? Ws Williams E. VIGIL 505-667-3587 Pager: 104-4728 -------------------------------------------------------- "... description is not explanation and when it comes to primary causes science explains nothing." D. Grinspoon

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by dmdmdm 31 Mar '03

31 Mar '03

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LTO 2 Support
by David Dalby 31 Mar '03

31 Mar '03

Hi, Does anyone have HP Ultrium 2 working directly off the back of a filer yet ? I understand NetApp are currently testing and support is due for relase some time in April but I do not have a confirmed date. I am guessing this will take the form of a dynamic tape configuration file for using in the etc/tape_config directory. I have created a dynamic tape config file but am struggling to get the HP hex codes for density codes (l,m,h and a) and corresponding density alogrithms which are required for the tape_config file ? Anyone have the hex codes I require for the HP Ultrium 2 or a working dynamic tape config file ? We are running DOT 6.3.1R1 .... Thanks Dave Dalby Systems Engineer - Storage Solutions ASI Solutions - Perth **** ASI Solutions Disclaimer **** The material transmitted may contain confidential and/or privileged material and is intended only for the addressee. If you receive this in error, please notify the sender and destroy any copies of the material immediately. ASI will protect your Privacy according to the 10 Privacy Principles outlined under the new Privacy Act, Dec 2001. This email is also subject to copyright. Any use of or reliance upon this material by persons or entities other than the addressee is prohibited. E-mails may be interfered with, may contain computer viruses or other defects. Under no circumstances do we accept liability for any loss or damage which may result from your receipt of this message or any attachments. **** END OF MESSAGE ****

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Strange folders cropping up
by Jay Newton (Email) 28 Mar '03

28 Mar '03

I keep getting these folders on one of my CIFS volumes. I don't think the Filer is responsible but I'm having trouble finding the cause. Below is an example of a folder name. There is sometimes a symbols folder underneath the main folder but not in every case. There are no files under the folder at all. 69fe9e1137e5bed8e0a0ba9782268d5e Does anyone else recognize this or know what causes it? Jay Newton Systems Engineer Chesapeake Energy Corporation Natural Gas - Natural Advantages Building 6112, Room 114 (405)848-8000 ext. 683 jnewton(a)chkenergy.com

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