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Netapp can't see AIT robot
by Bruce.Harney＠sybase.com 25 Feb '02

25 Feb '02

Here is a summary of the problem. I am having a problem getting my Netapp F740 to recognize the robot on the attached Overland LibraryPro model #AIT-LP2H119RB. This has a high voltage differential scsi. # rsh filer2 sysconfig -m No medium changers present on system. My Netapp will not boot when attached to the master Overland unit( it hangs trying to find the boot image). If the Netapp is attached to a slave unit then it will boot and see the tape drive but will not see the robot. I have tried changing the library scsi id and drive scsi id's with no luck. I have also tried configuring a different Overland unit as the master but that didn't work either. Any ideas? Bruce Harney Unix Systems Administrator SCSA SCNA 303-409-8670 SYBASE

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EMC Clariion IP4700
by Grewal, Raj 25 Feb '02

25 Feb '02

Hello to all, Has anyone used the Clariion IP4700 NAS device from EMC??? If so, what are your opinions or reviews of it??? What data did you put on it i.e. CIFS, NFS??? Did you try to run Exchange or SQL databases??? Thank you all in advance, Raj Grewal MCSE Win2000, MCSE NT 4.0, CNE5, CNA4.11, Network+ Senior Network Analyst Playboy Enterprises, Inc. (312) 751-8000 Ext. 2084 "A friend is always good to have, but a lovers kiss is better."

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Permission denied
by Jennifer Armenta 25 Feb '02

25 Feb '02

Have a mixed share with a folder that I can't delete. I keep getting "permission denied" from unix NFS and mapping cifs share. Any idea how to remove this folder?

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FS: [UK] spares kit
by chris＠g2.nu 23 Feb '02

23 Feb '02

I have the following surpluss items: F760 spares kit £1500 FC storage shelf spares kit, including 1 18GB drive £750 Items are currently locate in the UK. Contact me if interested or for further details. Chris --

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Re: Permission denied
by Rune Bakken 23 Feb '02

23 Feb '02

Jennifer Armenta <ArmentaJ(a)mascorp.com> writes: > Have a mixed share with a folder that I can't delete. I keep getting > "permission denied" from unix NFS and mapping cifs share. Any idea how to > remove this folder? Is this folder shared? I have seen this when a folder itself is shared - and I was unable to delete the folder before removing the share. There may also be obscure problems with the mixed security setting, on my site I have stopped using mixed settings as none of the applications required mixed setting - and I could choose either unix or ntfs according to the users what platform the users was using. In my case I got rid of most of my troubles with ownerships etc. >>>>>>>>>>.rune -- Rune Bakken Senior System Administrator Telenor Business Company (Nextra), IP-Services Ph: +47 22 77 03 93

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RE: set read and write to 8K; was Slow writes
by Mike Sphar 22 Feb '02

22 Feb '02

Here is some numbers I'm seeing from an nfsstat -d on one of my filers: num msg=0, too many mbufs=3631, rpcErr=3532, svrErr=0 I can see from the man page that the too many mbufs error means that there are udp packets being dropped because there are not enough mbufs available. What I can't find out is what if anything I can or should do about it. I've searched around on now but haven't found a specific mention of this for some reason (possibly just because I haven't had my coffee yet). Anyone have any advice one whether those numbers should be a cause for concern? -- Mike Sphar - Sr Systems Administrator - Engineering Support Peregrine Systems, Inc.

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netapp filer mib and spectrum
by neil lehrer 22 Feb '02

22 Feb '02

has anyone imported the filer mib into spectrum netwk mgmt sw? if so, can you tell me what you had to do? thanks

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set read and write to 8K; was Slow writes
by Jim Harm 22 Feb '02

22 Feb '02

I have heard this from NetApp technicians and on this list, but The only thing I found on the NetApp web page search was a reference to a switch that would overflow the buffer when translating from gigabit ethernet to fast ethernet. Someone please, point me to the bug description. We have seen the improvement, but we run GigE from client to server. None of the switches show errors or severe packet loss. The server shows packet loss, but how is that decreased by smaller read and write sizes on clients? Our switch software is supposed to be up to date. We see the problem alot and run UDP strictly, so, I need a bug number or a better description of this thing, please. I'm not complaining, I know you are correct; it does improve performance. It's measurable and significant. When I buy new equipment, I want to pinpoint this and avoid it. When fast ethernet is faster that GigE, something is bad. > >From: "Magnus Swenson" <magnuss(a)cadence.com> >Edward, > >Try to disable TCP over NFS and only enable UDP. >Also in a switched environment 10/100/1000 BT keep the xfersizes to 8192 >this has proven to improve performance (at least for us). >This is a known bug on certain switches, it's also listed on now.netapp.com. > >Re, >Magnus Swenson > >Subject: Re: Slow writes -- }}}===============>> LLNL James E. Harm (Jim); jharm(a)llnl.gov System Administrator Compaq Clusters (925) 422-4018 Page: 423-7705x57152

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Mirror target filer config question
by Joe Luchtenberg 22 Feb '02

22 Feb '02

Couldn't find documentation on NOW to answer this. If you are running SnapManager on a mirrored filer, but you are not mirroring the Exchange volume, do you have to license SnapManager on the target filer? I thought the answer was yes, but I can't find the documentation, and intuitively it seems that the answer should be no. The same question applies for SnapDrive and SQL Server volumes that you may not wish to mirror. TIA. Joe Joe Luchtenberg Dataline, Inc. Email: <mailto:joe.luchtenberg@data-line.com> Phone: 757-457-0504 (direct line) 757-858-0600 (front desk) 757-285-1223 (mobile) Fax: 757-858-0606 Please visit us at <http://www.data-line.com/>

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Re: Slow writes
by FPS France 22 Feb '02

22 Feb '02

> Well we are actually getting better writes from tcp, which is weird > due to the small overhead that tcp would have. Here is what I have > currently set on a 2.8 client: if you obtain better perf on tcp, i guess u perhaps lost packets on udp and u should then check ur network : check route from one machine to another with traceroute for example and try to examine where it could possibly cogestion or missroute beetween filer and solaris station (if u have a really wide network, it is normal to loose packets on udp so u were right to be on tcp) > The nfs ops have increased, the only thing I do see if I do a large > cvs checkout the writes are intermitent. I see zeros and then I see a > large write, below is an example. Now is this due to the filer > flushing what it has on memory to disk? yes this is normal, the filer cache writes in the nvram then writes in a singlke shoot on disks

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