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13520 discussions

RE: CIFS vs NFS performance.
by Luke Howard 31 Aug '05

31 Aug '05

>I run some CIFS sessions, probably not enough to judge performance vs. a >server / LUN config but there's two reasons why I limit my CIFS services >- Group Policies and security. NetApp CIFS doesn't support GPO's and >Kerberos security. ONTAP does support Kerberos security. And I expect that it's possible to serve the filesystem component of a GPO from a filer (I've never tried, but if it works with Samba it likely works with ONTAP). -- Luke --

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RE: CIFS vs NFS performance.
by Haber, David J. 30 Aug '05

30 Aug '05

Jerry: I have two filers running nothing but CIFS. We have about 4,000 user home directories and 3 TB of Group Shares on an 840, and about 2TB of Group Shareson an 820. Performance is excellent; I/O's run between 2500-4,000 max; CPU usaage is generally under 50%. It's higher (sometimes 100%) when a snap mirror is taking place. It is very reliable. Our only downtime over the past 4 years has been to do OnTap upgrades. -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Jerry Sent: Tuesday, August 30, 2005 1:27 PM To: list toasters Subject: CIFS vs NFS performance. Here's the story... Lately I've been getting a lot of requests for CIFS services on my filer. Until recently I have been able to avoid a lot of windows interaction but that time is coming close to an end. Does anyone have any major issues with CIFS, does it kill CPU and how reliable is it in general? Basically I'm looking for an overall feeling. The reason I ask is I'm unimpressed with the HTTP daemon built into the filer and I'm not confident in it's abilities to do other things besides NFS without personal experience with it. Jerry __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com Confidentiality Notice: This message, and any attachments, may contain information that is confidential, privileged, and/or protected from disclosure under state and federal laws that deal with the privacy and security of medical information. If you received this message in error or through inappropriate means, please reply to this message to notify the Sender that the message was received by you in error, and then permanently delete this message from all storage media, without forwarding or retaining a copy.

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RE: CIFS vs NFS performance.
by Johnson, John T. 30 Aug '05

30 Aug '05

I run some CIFS sessions, probably not enough to judge performance vs. a server / LUN config but there's two reasons why I limit my CIFS services - Group Policies and security. NetApp CIFS doesn't support GPO's and Kerberos security. This may not pose an issue in your environment but we use GPO's to secure certain areas of our servers and deploy software so we can only use it for a limited set of circumstances. Another side-effect I've noticed is that it seems that any changes made to a CIFS session requires the CIFS service to be restarted. But with my limited exposure to CIFS, there may be some work-a-rounds I'm not familiar with. Good luck, John. -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Jerry Sent: Tuesday, August 30, 2005 12:27 PM To: list toasters Subject: CIFS vs NFS performance. Here's the story... Lately I've been getting a lot of requests for CIFS services on my filer. Until recently I have been able to avoid a lot of windows interaction but that time is coming close to an end. Does anyone have any major issues with CIFS, does it kill CPU and how reliable is it in general? Basically I'm looking for an overall feeling. The reason I ask is I'm unimpressed with the HTTP daemon built into the filer and I'm not confident in it's abilities to do other things besides NFS without personal experience with it. Jerry __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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RE: CIFS vs NFS performance.
by Sphar, Mike 30 Aug '05

30 Aug '05

I've been using NFS and CIFS on filers for years now and I've never noticed any significant problems with CIFS performance. Honestly, the main reason we went with netapps initially is we needed an appliance that could simultaneously serve files over NFS and CIFS with some support for cross-platform file-locking. One caveat is I personally would not recommend using Mixed Mode for security, personally, but that may be just me. -- Michael W. Sphar - IS&T - Lead Systems Administrator SMBU Engineering Support Services, BMC Software -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Jerry Sent: Tuesday, August 30, 2005 12:27 PM To: list toasters Subject: CIFS vs NFS performance. Here's the story... Lately I've been getting a lot of requests for CIFS services on my filer. Until recently I have been able to avoid a lot of windows interaction but that time is coming close to an end. Does anyone have any major issues with CIFS, does it kill CPU and how reliable is it in general? Basically I'm looking for an overall feeling. The reason I ask is I'm unimpressed with the HTTP daemon built into the filer and I'm not confident in it's abilities to do other things besides NFS without personal experience with it. Jerry __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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RE: CIFS vs NFS performance.
by Callaway, Michael 30 Aug '05

30 Aug '05

In our shop, we are all windows and started with CIFS, so it's old hat to us. We picked up http for image grabs on a web based app about a year ago or so. As far as performance and usage, we have had little to no problems with cifs. The only "issue" I can think of is one time when we had a temp need for space, we dropped an oracle DB on cifs and a drive was failed during that period of time and cifs hiccupped for a few seconds, which oracle did not like. This was on an R200(sata) filer. I don't personally feel that cifs has a lot of overhead and performance issues that will slow down your environment, "just because it's cifs and it's scary". I could speak to more specific questions, if you have any. Thanks, Michael NTTA/IT http://www.ntta.org 214.461.2033 -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Jerry Sent: Tuesday, August 30, 2005 12:27 PM To: list toasters Subject: CIFS vs NFS performance. Here's the story... Lately I've been getting a lot of requests for CIFS services on my filer. Until recently I have been able to avoid a lot of windows interaction but that time is coming close to an end. Does anyone have any major issues with CIFS, does it kill CPU and how reliable is it in general? Basically I'm looking for an overall feeling. The reason I ask is I'm unimpressed with the HTTP daemon built into the filer and I'm not confident in it's abilities to do other things besides NFS without personal experience with it. Jerry __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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30 Aug '05

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RE: Memory error
by Warkentin, Grant 28 Aug '05

28 Aug '05

without doing research on the error... Looks like you had a parity error on one memory module. Looks like this error was corrected by the ECC stuff. May have to replace dimm j27. NOTICE - This communication is intended ONLY for the use of the person or entity named above and may contain information that is confidential or legally privileged. If you are not the intended recipient named above or a person responsible for delivering messages or communications to the intended recipient, YOU ARE HEREBY NOTIFIED that any use, distribution, or copying of this communication or any of the information contained in it is strictly prohibited. If you have received this communication in error, please notify us immediately by telephone and then destroy or delete this communication, or return it to us by mail if requested by us. The City of Calgary thanks you for your attention and cooperation. -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Alan Sparks Sent: 2005 Aug 26 10:42 PM To: Toasters List Subject: Memory error Can someone help me interpret this error message from a 760 filer head? Beyond "it's a memory error," that is... Is this difficult/expensive to fix? Thanks in advance. -Alan [netapp2: raid_xor_server:CRITICAL]: 1 CORR PROC ERR 86 eia:17295c00 fs:f400 eis:c5000000 isr:100000000 CPU ECC error on DIMM J27 at address=0x17295c0f, bit=31. -- Alan Sparks, UNIX/Linux Systems Integration and Administration <asparks(a)doublesparks.net>

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FTP Authentication/Authorisation in OnTap 7.0.1
by Simon Daykin 28 Aug '05

28 Aug '05

Hi all, Got a strange issue... We need to have some local username and passwords to allow things (services etc) to FTP to our filers to get/put files. No great shakes I thought, however I have a little problem. Unless the volume and qtree security style is set to UNIX, I get permission denied. E.g. I have a user in our /etc/passwd file, with a homedir configured as /vol/ftptest/. If volume ftptest is set to UNIX security, then I can log in via FTP with the username/password in /etc/passwd and list/put/get files etc without a problem. The second I set the security on the volume to "mixed", it all stops, and every FTP command including "ls" returns "insufficient privileges". Put it back to unix, and hey presdo. Whys this an issue? Well a) some of the things that we are going to need to FTP to/from are in mixed volumes, and b) I will need a couple of directories that will be accessable via FTP and a CIFS share. If it helps, we are not licensed for NFS, only CIFS. Any ideas? Thanks, Simon BTW, have a case open with NetApp, but I am still working on it with them... ****************************************************************************************************** This e-mail and any attachment is intended solely for the addressee, is strictly confidential and may also be legally privileged. If you have received it in error, you are on notice of its status. If you are not the addressee please do not read, print, re-transmit, store or act in reliance on it or any attachments. Instead, please email it back to the sender and then immediately permanently delete it. Please email postmaster(a)portman.co.uk if you need assistance. To find out more about us please visit: www.portman.co.uk Portman Building Society reserves the right to monitor and inspect e-mails sent to and by its employees at any time for lawful business practices. Portman Building Society, Head Office: Portman House, Richmond Hill, Bournemouth BH2 6EP. Portman Building Society is authorised and regulated by the Financial Services Authority (Register Number 158696). (www.fsa.gov.uk/register). The Mortgage Works is a trading name of The Mortgage Works (UK) plc, registered in England number 2222856. Registered address, Portman House, Richmond Hill, Bournemouth BH2 6EP. The Mortgage Works is authorised and regulated by the Financial Services Authority (Register Number 189623). Portman Channel Islands Ltd is registered in Guernsey number 25871. Registered address, Suite 5 North, Town Mills, La Rue Du Pre, St Peter Port, Guernsey, Channel Islands GY1 3TR. The Mortgage Works and Portman Channel Islands Ltd are part of the Portman Building Society Group. ******************************************************************************************************

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RE: So long and thanks for all the bytes
by Sphar, Mike 27 Aug '05

27 Aug '05

My guess would be "Get approved by penny-pinching management". I know I've had many times where I've had to fight for keeping/upgrading a netapp over objections such as "Well, I could just buy a bunch of cheap disks and a server at Fry's to do the same thing!" Things like those stupid SNAP Servers don't help either. We had to move a bunch of stuff to one of those a while back over my objections. Fast forward a couple months and the SNAP Server loses a disk, which somehow causes it to actually crash and corrupt most of the data (which wasn't all being backed up yet because we were still fighting with a weird permission problem trying to get NFS backups to work.) Bear in mind the ancient F230 that we moved data *from* has never experienced any data loss like that, and is in fact still running. Now when people talk about putting something on the SNAP server I just say "Yeah, good luck with that" and I keep putting my stuff on my good friend Mr F940. -- Michael W. Sphar - IS&T - Lead Systems Administrator SMBU Engineering Support Services, BMC Software -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Jeff Mohler Sent: Friday, August 26, 2005 9:29 AM To: Simon Waters; toasters(a)mathworks.com Subject: Re: So long and thanks for all the bytes So what can W2k3 do that an F720 cannot? On 8/26/05 4:20 AM, "Simon Waters" <simonw(a)zynet.net> wrote: > Thanks for the help over the years. > > Expect rather tired F720 with lots of 18 and 36 Gb to appear on Ebay shortly > ;) > > And no I don't like Windows 2003 storage stuff :( But it does all fit in an > eighth of the rack space, and 6 disk drives. > > Simon > >

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Memory error
by Alan Sparks 27 Aug '05

27 Aug '05

Can someone help me interpret this error message from a 760 filer head? Beyond "it's a memory error," that is... Is this difficult/expensive to fix? Thanks in advance. -Alan [netapp2: raid_xor_server:CRITICAL]: 1 CORR PROC ERR 86 eia:17295c00 fs:f400 eis:c5000000 isr:100000000 CPU ECC error on DIMM J27 at address=0x17295c0f, bit=31. -- Alan Sparks, UNIX/Linux Systems Integration and Administration <asparks(a)doublesparks.net>

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