toasters

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13531 discussions

Re: File access via Windows (laptops)
by Steve Turner 18 Feb '02

18 Feb '02

This worked, thanks. Thanks also to the others who sent the same information and other helpful information and suggestions. I will also look into getting the upgrade as someone pointed out that the newer version is more win2k friendly. I think I will get a netapp class out of this also :). Steve "Muhlestein, Mark" wrote: > > If you have a domain account you should be able to use it to map a drive, no matter how the client comes up. If you log into the laptop with a local account, try bringing up a cmd prompt then say > > C:>net use * \\filer\share /user:domain\acct > > It should prompt you for the password, then connect. If this isn't working, something else is wrong so you should open a case with netapp customer support. You might also want to consider upgrading to 6.1 or later, since there are some Win2k issues in 6.0-era releases. > > Mark > > -----Original Message----- > From: Steve Turner [mailto:sturner@msai.mea.com] > Sent: Sunday, February 17, 2002 9:43 PM > To: Muhlestein, Mark > Subject: Re: File access via Windows (laptops) > > Most are runnin Windows 2k Pro and they already have domain accounts, > but it still doesn't work unless they actually login to the domain. I > can take my laptop and map the drive if I login to the domain, this > works. But if I do not login to the domain (just login to laptop with a > local account) it does not work. The local account and the domain > account are the same userid and password. > > thanks for any help, > steve > > "Muhlestein, Mark" wrote: > > > > What are they running on their laptops? If it's NT or later, they can map a drive letter using a domain account. > > > > Mark > > > > -----Original Message----- > > From: Steve Turner [mailto:sturner@msai.mea.com] > > Sent: Sunday, February 17, 2002 6:51 AM > > To: toasters(a)mathworks.com > > Subject: File access via Windows (laptops) > > > > We are running a Netapp F820, NetApp Release 6.0.1R3. I finally got our > > Netapp setup to allow windows users to access files (specifically the > > users home directory). As long as the user is on a PC that logs into > > the domain, they can access the files without any problems. > > > > We have serveral users that use laptops and do not login to the domain. > > They cannot access any shares on the netapp. They have accounts on the > > win2k server and can access files on the windows server. If I change > > the laptop so that they are logging into the domain, it works. no > > problems. > > > > When users are on the road and/or accessing our network via VPN, it > > would be difficult for them to login to the domain. Is there a > > workaround? > > > > Any suggestions would be appreciated, > > > > Please let me know if you need more info. > > > > Thanks, > > Steve > > > > ---------------------------------- > > Mitsubishi Electric and Electronics > > Design Engineering Center - East > > Durham, NC

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what disks can i use in an F330?
by Brian Hechinger 17 Feb '02

17 Feb '02

i've got an F330 that i'd like to get online one of these days, and i'd like to get the most storage onto it that i possibly can. it's got 5 narrow SCSI channels on it, and i have a whole slew of DEC BA350 StorageWorks shelves to hook up to it. what is the largest size drives i can put on this thing? is there a particular model of drive that i am limited to? also, what are my options for a wide scsi controller or two in this thing? several of the BA350 shelves have 16-bit personality cards in them, and i'd love to be able to take advantage of that rather than downgrade them to 8-bit personality cards. i think that's all the questions i have for now. next step after getting disks on it, find a copy of the OS for it. -brian

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URGENT ASSISTANCE
by chidi john 16 Feb '02

16 Feb '02

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RE: Slow write performance
by Art Hebert 16 Feb '02

16 Feb '02

What is the wafl command to check the layout of data, etc. thanks art -----Original Message----- From: Jeff Kennedy [mailto:jlkennedy@amcc.com] Sent: Wednesday, February 06, 2002 6:21 AM To: EH(a)dataconnection.com Cc: Mike Ball; Toasters (E-mail) Subject: Re: Slow write performance This was an issue for sure, I've been through it myself. However, you can use the wafl commands to check the layout of data and, if necessary, re-stripe it. I think the '1 disk add' issue is no longer a real issue.... ~JK Mike Ball wrote: > > Edward, > I not sure I would be concerned about the 0's on disk writes you are > seeing. As long as Net KB keeps coming in/out. The Netapp may be > recalculating parity and holding the writes in NVRAM before it flushes to > disk, etc.. As for the volume being full, I see a lot of customers only add > 1 disk at a time when the volumes get full. This causes a problem because > you basically do not stripe across disks. You only are writing to one disk. > At this point you become disk bound which could very well be what is > happening here. Make sure you add disks a few at a time when you grow your > volume to stripe the data among drives. > Mike > > -----Original Message----- > From: Edward Hibbert [mailto:EH@dataconnection.com] > Sent: Wednesday, February 06, 2002 8:29 AM > To: 'Mike Ball' > Subject: RE: Slow write performance > > Mike, > > I can send you a couple of the outputs straight away. sysstat doesn't > recognise the -u option; what's the difference between that and sysstat 1? > > I take your point about network settings - we've had problems in this area > before - but I don't understand why I would get 0 disk writes for a long > time while still getting network traffic in and out. I know that my network > traffic during such a period includes write requests (from pktt trace), so > what I'm wondering is what causes the writes to hang up and then recover. > > The disk on /vol/vol0 has previously got very full. Although we've now > freed up some space, do you think there might be persistant fragmentation? > > Edward. > > nacolt1*> df > Filesystem kbytes used avail capacity Mounted on > /vol/vol0/ 95328924 54170444 41158480 57% /vol/vol0/ > /vol/vol0/.snapshot 0 0 0 ---% > /vol/vol0/.snapshot > /vol/vol1/ 63552616 60599768 2952848 95% /vol/vol1/ > /vol/vol1/.snapshot 0 0 0 ---% > /vol/vol1/.snapshot > > Volume vol0 (root) > > RAID group 0 > > RAID Disk HA.ID HA SHELF BAY CHAN Used (MB/blks) Phys > (MB/blks) > --------- ----- ------------ ---- -------------- > -------------- > parity 8.3 8 0 3 FC:A 34500/70656000 > 35003/71687368 > data 8.4 8 0 4 FC:A 34500/70656000 > 35003/71687368 > data 8.1 8 0 1 FC:A 34500/70656000 > 35003/71687368 > data 8.0 8 0 0 FC:A 34500/70656000 > 35003/71687368 > > Volume vol1 > > RAID group 0 > > RAID Disk HA.ID HA SHELF BAY CHAN Used (MB/blks) Phys > (MB/blks) > --------- ----- ------------ ---- -------------- > -------------- > parity 8.2 8 0 2 FC:A 34500/70656000 > 35003/71687368 > data 8.6 8 0 6 FC:A 34500/70656000 > 35003/71687368 > data 8.5 8 0 5 FC:A 34500/70656000 > 35003/71687368 > nacolt1*> > > -----Original Message----- > From: Mike Ball [mailto:MBall@DATALINK.com] > Sent: Wednesday, February 06, 2002 1:07 PM > To: Edward Hibbert > Subject: RE: Slow write performance > > Edward, > Trying forcing the switch you plug into to 100Mb Full duplex. In > addition, instead of making e0 auto negotiate, force it to 100Mb full > duplex. Your network KB/s is pretty low. Also, how full is your file system? > Can you send me the output of the following commands: > > df > sysstat -u 1 (run for 20 seconds) > sysconfig -r > > Thank you, > Mike > > -----Original Message----- > From: Edward Hibbert [mailto:EH@dataconnection.com] > Sent: Tuesday, February 05, 2002 5:27 PM > To: 'Mike Ball' > Subject: RE: Slow write performance > > Here's the sysstat. Interesting that this shows periodic 0 writes. > > Tue Feb 5 22:22:30 GMT [tn_login_0]: root logged in from host: > 192.168.21.16 > sysstat 1 > CPU NFS CIFS HTTP Net kB/s Disk kB/s Tape kB/s Cache > in out read write read write age > 54% 1012 0 1 393 1494 2430 2446 0 0 1 > 43% 1012 0 0 431 1549 2302 3947 0 0 1 > 46% 1278 0 0 471 1787 2708 1116 0 0 1 > 57% 1080 0 0 611 2019 2078 5177 0 0 1 > 31% 726 0 0 439 1056 840 1028 0 0 1 > 37% 962 0 0 388 1872 1561 0 0 0 1 > 32% 919 0 0 404 1786 1688 0 0 0 1 > 33% 1050 0 0 407 1815 1529 0 0 0 1 > 43% 1102 0 0 623 2148 1264 0 0 0 1 > 43% 857 0 1 347 1585 2154 0 0 0 1 > 38% 746 0 0 430 1878 1704 0 0 0 1 > 58% 463 0 1 255 800 2610 3675 0 0 1 > 52% 997 0 0 517 1544 2840 2084 0 0 1 > 48% 792 0 0 401 1350 2222 5365 0 0 1 > 50% 1028 0 0 429 2055 2264 2108 0 0 1 > 37% 864 0 0 304 1864 1893 2210 0 0 1 > 39% 1053 0 0 566 2154 988 8 0 0 1 > 45% 1143 0 0 604 2309 1733 0 0 0 1 > 35% 1034 0 0 420 2123 1860 0 0 0 1 > CPU NFS CIFS HTTP Net kB/s Disk kB/s Tape kB/s Cache > in out read write read write age > 42% 1000 0 0 550 2016 1264 0 0 0 1 > 52% 1118 0 1 575 2541 1589 0 0 0 1 > 30% 791 0 0 327 1648 1880 0 0 0 1 > 48% 880 0 0 382 1896 2022 1905 0 0 1 > 47% 745 0 1 354 1354 2196 2828 0 0 1 > 57% 1287 0 0 581 1772 2366 3583 0 0 1 > 51% 1136 0 0 595 1929 2488 1168 0 0 1 > 48% 987 0 0 419 1273 2348 3504 0 0 1 > 35% 768 0 0 421 1623 1597 720 0 0 1 > 45% 1237 0 0 624 2465 1869 0 0 0 1 > 38% 1112 0 0 390 1995 1688 0 0 0 1 > 44% 1044 0 0 585 1817 1697 0 0 0 1 > > ifconfig output: > > e0: flags=240043<UP,BROADCAST,RUNNING,UP_1ARY,LINK_UP> mtu 1500 > inet 192.168.21.81 netmask 0xffffff00 broadcast 192.168.21.255 > ether 00:a0:98:00:97:67 (auto-100tx-fd-up) > lo: flags=240049<UP,LOOPBACK,RUNNING,UP_1ARY,LINK_UP> mtu 1536 > inet 127.0.0.1 netmask 0xff000000 broadcast 127.0.0.1 > > Regards, > > Edward. > > -----Original Message----- > From: Mike Ball [mailto:MBall@DATALINK.com] > Sent: 05 February 2002 19:58 > To: Edward Hibbert; toasters > Subject: RE: Slow write performance > > Edward, > Telnet to the netapp and type "sysstat 1". Let it run for about 20 > seconds and send us the output. Also, type "ifconfig -a" and send us the > output. > Mike > > -----Original Message----- > From: Edward Hibbert [mailto:EH@dataconnection.com] > Sent: Tuesday, February 05, 2002 2:24 PM > To: toasters > Subject: Slow write performance > > We're seeing some performance problems on an F720 which you guys might be > able to help with (even though it's not exactly top of the range nowadays). > > What we see is: > - We're driving it over NFS v3. > - We get about 1500 ops/sec out of it, of which one third are writes and two > thirds are reads. There aren't many file open/close operations. > - The operations are to random locations in large (10GB) files. > - The CPU is running about 75%, and the network input and output below the > throughput of the link we have to it. We've seen both CPU and network go > higher if we do simple copy tests. > - Looking it it via pktt trace, something approaching 15% of WRITE > operations take long enough for the clients to time out and retransmit (so > at least 1 second). None of the READ operations do. > - The retransmissions appear to come in bunches. For example we'll see a > few seconds where the filer doesn't respond, during which time the > retransmissions will come in, then it will wake up and send some responses > back. > - The rest of the time, the WRITES are very fast (sub-ms). > > This appears to have worsened recently. We tried a couple of things: > - We thought that this might be because the disk had got full and > fragmented, so we zapped a bunch of data. > - We rebooted. > Neither of these seemed to help much. > > sysstat consistently shows a cache age of 1. This, and the bursty nature of > the delays, suggest to me that I'm just hitting it too hard, and there's > some kind of periodic cache-flushing operation going on, but do any of you > folk have any other suggestions? > > Edward Hibbert > Internet Applications Group > Data Connection Ltd > Tel: +44 131 662 1212 Fax: +44 131 662 1345 > Email: eh(a)dataconnection.com Web: http://www.dataconnection.com -- ===================== Jeff Kennedy Unix Administrator AMCC jlkennedy(a)amcc.com

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smbcacls
by neil lehrer 15 Feb '02

15 Feb '02

can anyone point me at some decent examples, the man page is not giving me enough info. i want to set rwx,rwxd,rwxd on a dir. thanks --

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15 Feb '02

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RE: Block sizes
by Edward Hibbert 14 Feb '02

14 Feb '02

Cheers, that 64 bytes is interesting. Do you get a perf benefit on access to the file, too? Is it affected by long filenames at all? Edward. -----Original Message----- From: Steve Losen [mailto:scl@sasha.acc.virginia.edu] Sent: Thursday, February 14, 2002 3:46 PM To: toasters(a)mathworks.com Subject: Re: Block sizes > Also worthy of note, to date there is no way to modify the block size. > It's hardcoded in wafl. > > ~JK While we're on the subject of WAFL trivia, WAFL does not split a 4K block into fragments, so files always consume disk space in even multiples of 4K bytes. However, if the length of a file is 64 bytes or less, then the file data is stored in the inode and no data blocks are consumed. WAFL uses the space in the inode that otherwise holds the data block list. This is nice because most symbolic links are small enough to fit in the inode. Steve Losen scl(a)virginia.edu phone: 434-924-0640 University of Virginia ITC Unix Support

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RE: Block sizes
by Strange, Steve 14 Feb '02

14 Feb '02

> Or is this all wrong, and the access doesn't occur in blocks? It does occur in blocks, and the WAFL block size is 4K bytes. Steve > -----Original Message----- > From: Edward Hibbert [mailto:EH@dataconnection.com] > Sent: Wednesday, February 13, 2002 5:27 PM > To: toasters(a)mathworks.com > Subject: Block sizes > > > A question about block sizes on NetApp disks. > > My impression is that disk access occurs in blocks. So if I > write 1 byte to > a disk, at some level the OS has a block in cache, updates > the block, then > writes that block out to disk. If I write 20K, then it > probably affects > multiple blocks. > > If this is true, then it might be useful to know the > underlying block size - > because if I could ensure that my application wasn't spanning multiple > blocks when I didn't need to be, I could give the physical > disks a bit less > of a hard time. > > Does anyone know how to find this out? Or is this all wrong, > and the access > doesn't occur in blocks? > > Thanks, > > Edward. >

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RE: win2k native mode and ontap integration
by Kumar, Rahul 14 Feb '02

14 Feb '02

Hi All, Thanks for your help regarding the same... I really appreciate your help. I will follow the steps as we plan to move filers into native mode sometime next week. Thanks once again.. ----------- Rahul Kumar -----Original Message----- From: Garandet, Jean Francois [mailto:jfgarand@netapp.com] Sent: Thursday, February 14, 2002 4:21 PM To: 'FPS France'; Kumar, Rahul; toasters(a)mathworks.com Cc: Bon, Albert Subject: RE: win2k native mode and ontap integration Yes, Windows 2000 native mode use time base synchronisation (win32time) between clients & servers to obtain kerberos authentification ticket(specification for MIT Kerberos version 5) it's important to don't stop this service: "windows time" It's important to use timebase server (ntp server) for the filer in full integration in windows 2000 with kerberos authentifcation... It's available for all Windows2000/XP Clients/Servers version... Jean-Francois GARANDET -----Original Message----- From: FPS France [mailto:fpsfrance@fps.fr] Sent: jeudi 14 février 2002 10:16 To: Kumar, Rahul; toasters(a)mathworks.com Subject: Re: win2k native mode and ontap integration yes, they surely can do this. This is possible from the 6.1 version. Simply restart cifs setup. Make sure the time delta beetween Filers and the Win2k ad is less than 5 min (ideally synchronize them). ----- Original Message ----- From: "Kumar, Rahul" <Rahul.Kumar(a)sdrc.com> To: <toasters(a)mathworks.com> Sent: Tuesday, February 12, 2002 3:56 PM Subject: win2k native mode and ontap integration > > Hi All, > We are using win2k ad in mixed mode...We are also have 3-4 filers > running 6.1.1R2. > Will the filers be able to work in native mode of window2000 ad. > If not then which version of ontap supports this. > > > ----------- > Rahul > :

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RE: win2k native mode and ontap integration
by Garandet, Jean Francois 14 Feb '02

14 Feb '02

Yes, Windows 2000 native mode use time base synchronisation (win32time) between clients & servers to obtain kerberos authentification ticket(specification for MIT Kerberos version 5) it's important to don't stop this service: "windows time" It's important to use timebase server (ntp server) for the filer in full integration in windows 2000 with kerberos authentifcation... It's available for all Windows2000/XP Clients/Servers version... Jean-Francois GARANDET -----Original Message----- From: FPS France [mailto:fpsfrance@fps.fr] Sent: jeudi 14 février 2002 10:16 To: Kumar, Rahul; toasters(a)mathworks.com Subject: Re: win2k native mode and ontap integration yes, they surely can do this. This is possible from the 6.1 version. Simply restart cifs setup. Make sure the time delta beetween Filers and the Win2k ad is less than 5 min (ideally synchronize them). ----- Original Message ----- From: "Kumar, Rahul" <Rahul.Kumar(a)sdrc.com> To: <toasters(a)mathworks.com> Sent: Tuesday, February 12, 2002 3:56 PM Subject: win2k native mode and ontap integration > > Hi All, > We are using win2k ad in mixed mode...We are also have 3-4 filers > running 6.1.1R2. > Will the filers be able to work in native mode of window2000 ad. > If not then which version of ontap supports this. > > > ----------- > Rahul > :

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win2k native mode and ontap integration
by Kumar, Rahul 14 Feb '02

14 Feb '02

Hi All, We are using win2k ad in mixed mode...We are also have 3-4 filers running 6.1.1R2. Will the filers be able to work in native mode of window2000 ad. If not then which version of ontap supports this. ----------- Rahul

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Block sizes
by Edward Hibbert 14 Feb '02

14 Feb '02

A question about block sizes on NetApp disks. My impression is that disk access occurs in blocks. So if I write 1 byte to a disk, at some level the OS has a block in cache, updates the block, then writes that block out to disk. If I write 20K, then it probably affects multiple blocks. If this is true, then it might be useful to know the underlying block size - because if I could ensure that my application wasn't spanning multiple blocks when I didn't need to be, I could give the physical disks a bit less of a hard time. Does anyone know how to find this out? Or is this all wrong, and the access doesn't occur in blocks? Thanks, Edward.

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FW: microsoft dfs and cifs.homedir
by Uren, Jim 14 Feb '02

14 Feb '02

most of the old-timers already know this, but Colin points out that this is hard to find in the documentation...for scripting and such, using the share-name CIFS.HOMEDIR will cause the filer to connect "you" with "your" CIFS home directory (if such a homedir exists and if no actual share named CIFS.HOMEDIR exists). for Ontap 6.0 or above, the share name ~ (tilde) also works. for example, net use * \\filer\cifs.homedir will connect me to \\filer\joe-user if I am logged on as joe-user, or will connect me to \\filer\Administrator if I am logged on as Administrator, and so on. > in your place, I would create a Dfs > entry like this > \\DfsServer\Dfsroot\filerHome --> \\filer\cifs.homedir > or like this (if using Ontap 6.0 or above) > \\DfsServer\Dfsroot\filerhome --> \\filer\~ > > "cifs.homedir" and "~" are mapped by the filer to > "my CIFS homedir" (if such a homedir exists). > > Jim Uren, who hasn't tried this himself. (actually, I've now tried this and can say that after a full 12 seconds of testing, it seems to work) > -----Original Message----- > From: Colin Eric Johnson [mailto:colinj@ccs.neu.edu] > Sent: Tuesday, February 12, 2002 10:24 AM > To: toasters(a)mathworks.com > Subject: microsoft dfs and cifs.homedir > > > > So I'm wondering if anyone is using microsofts dfs and the > cifs.homedir > functionality on their netapp together? > > I'd like to be able to point my users homedirs (Win2k) at a > dfs share and > from their direct them to \\netapp\username but it's not > clear if I can > make this work. it would be nice becuase then if/when we > decide we need a > new/different netapp I only have to change the name once and > not for each > user. > > I'm not really convinced that I can make this work but I > thought I might > ask. > > -- > Colin E. Johnson | colinj(a)ccs.neu.edu > Dumbfounding Question 1: Someone once asked me if I could > answer a question > without telling a story. I couldn't imagine an answer that > wasn't a story. >

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SOLVED (RE: Odd Linux->Filer copy behavour)
by Ben Rockwood 13 Feb '02

13 Feb '02

Hello Toasters. Steve's reply was the fix. We changed exports to allow root and the problem disappered. Thanx for the replys. brockwood(a)homestead-inc.com -----Original Message----- From: Ben Rockwood Sent: Wed 2/13/2002 1:45 PM To: toasters(a)mathworks.com Cc: Subject: Odd Linux->Filer copy behavour Hello Toasters. I've come across an odd cp problem from a Linux boxen to a NetApp filer. Typically these filers are mounted by the linux boxen simply for read-only purposes, but are actually read-write mounted. Some of our admins tried to cp files from the linux box up onto the filer, but we get an error that is unexpected. The file copies, but I don't like the error. Any ideas are helpful. One thing we did, just in case, was to add a local uid for the masked owner on the NetApps, since the ownership is changed once it hits the filer to "pcuser", uid 65534. This didn't change anything, though. Below is an example of the problem, and some mount data to assist. IP addresses have been removed. brockwood(a)homestead-inc.com [root@willy temp]# pwd /mnt/lucy/inetneo/temp [root@willy temp]# cp /etc/hosts . cp: preserving permissions for ./hosts: Operation not permitted [root@willy temp]# ls hosts [root@willy temp]# ls -al total 12 drwxrwxrwx 2 root bin 4096 Feb 13 13:15 . drwxrwxrwx 8 root bin 4096 Feb 12 16:23 .. -rwxrwxrwx 1 pcuser pcuser 92 Feb 13 13:18 hosts [root@willy temp]# mount ---Snipped Out----- x.x.x.x:/vol/vol0/inetneo on /mnt/lucy/inetneo type nfs (rw,rsize=8192,wsize=8192,hard,intr,addr=x.x.x.x,addr=x.x.x.x) [root@willy temp]#

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Odd Linux->Filer copy behavour
by Ben Rockwood 13 Feb '02

13 Feb '02

Hello Toasters. I've come across an odd cp problem from a Linux boxen to a NetApp filer. Typically these filers are mounted by the linux boxen simply for read-only purposes, but are actually read-write mounted. Some of our admins tried to cp files from the linux box up onto the filer, but we get an error that is unexpected. The file copies, but I don't like the error. Any ideas are helpful. One thing we did, just in case, was to add a local uid for the masked owner on the NetApps, since the ownership is changed once it hits the filer to "pcuser", uid 65534. This didn't change anything, though. Below is an example of the problem, and some mount data to assist. IP addresses have been removed. brockwood(a)homestead-inc.com [root@willy temp]# pwd /mnt/lucy/inetneo/temp [root@willy temp]# cp /etc/hosts . cp: preserving permissions for ./hosts: Operation not permitted [root@willy temp]# ls hosts [root@willy temp]# ls -al total 12 drwxrwxrwx 2 root bin 4096 Feb 13 13:15 . drwxrwxrwx 8 root bin 4096 Feb 12 16:23 .. -rwxrwxrwx 1 pcuser pcuser 92 Feb 13 13:18 hosts [root@willy temp]# mount ---Snipped Out----- x.x.x.x:/vol/vol0/inetneo on /mnt/lucy/inetneo type nfs (rw,rsize=8192,wsize=8192,hard,intr,addr=x.x.x.x,addr=x.x.x.x) [root@willy temp]#

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Re: Slow writes
by MCope＠isisph.com 13 Feb '02

13 Feb '02

Edward, What do your Solaris systems look like? There are a number of things that can be done to get Sun systems, and especially their NICs, to coexist with Filers. I'm currently having a lot of fun getting some temperamental SBUS Gigabit NICs to perform up to spec (same problem - writes take FOREVER) Michael edward valencia <edjv(a)corp.earthlink.net> Sent by: owner-toasters(a)mathworks.com 02/13/02 05:14 AM To: "toasters(a)mathworks.com" <toasters(a)mathworks.com> cc: Subject: Slow writes Hi all, I hope that someone has gone through this as I have been trying to figure this out and its making me go nuts. On our solaris(2.8, 2.6) we usually do small file writes, our users do cvs checkouts to thier home directories and compile software that they are working on in that directory also. The problems is not the reads but the writes, I have changed the client machines to nfs3/tcp with rsize and wsize or 32k. The avg time todo a cvs checkout has been about 24 seconds, if this is done to local disk we are seeing the avg. of 4 seconds. The size of the module they are checking out is 4mb, this is what I have been doing tests with, but other cvs modules are also slow while being written to the nfs mount home directory. The filers also have the nfs.tcp.xfersize of 32k. Here are the configs of the filer: F760 NetApp Release 6.0.1R3: Fri Feb 16 02:42:49 PST 2001 e0: flags=8042<BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 10.174.32.67 netmask 0xffffff80 broadcast 10.174.32.127 ether 00:a0:98:00:56:a3 (auto-100tx-down) e4: flags=900042<BROADCAST,RUNNING,TCPCKSUM> mtu 1500 inet 10.174.32.126 netmask 0xffffff80 broadcast 10.174.32.127 ether 00:60:cf:20:31:fb (1000fx) e6: flags=848043<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 10.174.32.7 netmask 0xffffff80 broadcast 10.174.32.127 ether 00:90:27:f4:5b:0e (auto-1000sx-fd-up) flowcontrol full lo: flags=948049<UP,LOOPBACK,RUNNING,MULTICAST,TCPCKSUM> mtu 9188 inet 127.0.0.1 netmask 0xff000000 broadcast 127.0.0.1 We currently only use e6. nfs.mount_rootonly on nfs.per_client_stats.enable off nfs.tcp.enable on nfs.tcp.xfersize 32768 nfs.udp.xfersize 8192 nfs.v2.df_2gb_lim off nfs.v3.enable on nfs.webnfs.enable off nfs.webnfs.rootdir XXX nfs.webnfs.rootdir.set off I hope you all can help. cheers, edwardv-

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SNMP Vulnerabilities ?
by Ketil Kirkerud Elgethun 13 Feb '02

13 Feb '02

Many of you have probably read about the various vulnerabilities discovered in most SNMP implementations (http://www.cert.org/advisories/CA-2002-03.html). Does anyone know if the SNMP agent in OnTap is vulnerable ? -- ---Ketil Kirkerud Elgethun, Genuity Norway http://www.genuity.no Mobile: +47 934 11 394

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RE: win2k native mode and ontap integration
by Mike Sphar 12 Feb '02

12 Feb '02

Whether you're in native or mixed mode should have nothing to do with the Netapp's, since the netapps are not domain controllers, and native mode just means that you can't have NT 4.0 domain controllers. Being in native mode does not mean that all your clients must be win2k... http://www.2000tutor.com/tutorials/modes.htm From a white paper at http://www.netapp.com/tech_library/3113.html Filers may be installed into either mixed-mode or native-mode active directory domains. Mixed-mode domains resemble the Windows NT or pre-Windows 2000 domain environments. Native domains use and expose the active directory infrastructure. Both domain styles support pre-Windows 2000 computers. The difference lies in the administrative structure and methods. The filer will attempt to sense what type of domain exists on the network. Filers running Data ONTAP 6.1 will first search for an active directory domain controller by querying DNS for an active directory/LDAP server.* If the filer cannot locate an active directory server, it will default to looking for a Windows NT domain controller using the NetBIOS protocol. Filers may also be specifically configured as a Windows NT domain or an Active Directory domain file server. -- Mike Sphar - Sr Systems Administrator - Engineering Support Peregrine Systems, Inc. -----Original Message----- From: Kumar, Rahul [mailto:Rahul.Kumar@sdrc.com] Sent: Tuesday, February 12, 2002 8:56 AM To: toasters(a)mathworks.com Subject: win2k native mode and ontap integration Importance: High Hi All, We are using win2k ad in mixed mode...We are also have 3-4 filers running 6.1.1R2. Will the filers be able to work in native mode of window2000 ad. If not then which version of ontap supports this. ----------- Rahul

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microsoft dfs and cifs.homedir
by Colin Eric Johnson 12 Feb '02

12 Feb '02

So I'm wondering if anyone is using microsofts dfs and the cifs.homedir functionality on their netapp together? I'd like to be able to point my users homedirs (Win2k) at a dfs share and from their direct them to \\netapp\username but it's not clear if I can make this work. it would be nice becuase then if/when we decide we need a new/different netapp I only have to change the name once and not for each user. I'm not really convinced that I can make this work but I thought I might ask. -- Colin E. Johnson | colinj(a)ccs.neu.edu Dumbfounding Question 1: Someone once asked me if I could answer a question without telling a story. I couldn't imagine an answer that wasn't a story.

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Library device not created
by Frank Bonnet 12 Feb '02

12 Feb '02

Hi we have a HP DLT 8000 connected to our F85 ( 6.1.1.R2 ) and we are not able to access the library we can dump to a tape but cannot use the library thru NDMP . mcxx devices are not created ... do we have to create them manually or is it automated when the filer boot up ? ( we have reboot it without any effect ) thanks

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Support for HVD LTO Seagate tape drives?
by Mike Ball 11 Feb '02

11 Feb '02

Does anyone know when Netapp plans on supporting HVD Seagate LTO tape drive? I know they support the LVD Seagate LTO in 6.1.2.

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FS: F760 Cluster with NFS, CIFS
by ScottUCE＠aol.com 09 Feb '02

09 Feb '02

One of our NetApp customers must find a buyer for the following system by Feb. 22: F760 Clustered Pair -- NFS, CIFS and CLUSTER software licenses 84 x 18gb FC-AL disk drives All software will be transferred by Network Appliance free of charge to the new end-user. Disk Shelf and PCI card configurations can be re-configured by Union Computer to suit the buyer's specific needs. Discounted "Snap" software products can also be provided. This equipment will go for less than 25 cents on the dollar -- should you have any interest, please let us know as soon as possible. Scott Fischmann Union Computer Exchange, Inc. 6233 Idylwood Lane Minneapolis, MN 55436 Phone: 952 935 7282 FAX: 952 935 5056 scott(a)unioncomputer.com

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wins authentication
by Timothy Cook 08 Feb '02

08 Feb '02

Admins, I have been tasked with setting up my filers so that win95/98 users can map my cifs shares without authenticating to my NT domain. Is it possible to do this without converting my filers from members of my NT domain to members of a workgroup? Two things that I am trying to avoid is the need to give every PC user an NT login, and the need to have a usermap.cfg entry for everybody in the company!

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RE: upgrade from 6.1.1 to 6.1.2?
by Melvin, Grant 08 Feb '02

08 Feb '02

Thanks Chris, > That should of course have been "Grant Melvin". I appreciate the repost. I'm pretty much used to getting called "Melvin" as a first name instead of Grant [ its better than some of the other names people call me ;-D ]. > Apologies, but why is it that everyone at NetApp > uses an MUA that generates headers like > From: "Melvin, Grant" <Grant.Melvin(a)netapp.com> A bunch of us (especially manager types) use OutLook here and that's what it produces (at least the way its setup here). I agree it certainly adds to the confusion. Cheers, Grant For information on NetApp's Data Protection Solutions view http://www.netapp.com/solutions/data_protection.html. -----Original Message----- From: Chris Thompson [mailto:cet1@cus.cam.ac.uk] Sent: Friday, February 08, 2002 8:02 AM To: toasters(a)mathworks.com Subject: Re: upgrade from 6.1.1 to 6.1.2? I wrote: > Melvin Grant has already answered that, ^^^^^^^^^^^^ That should of course have been "Grant Melvin". Apologies, but why is it that everyone at NetApp uses an MUA that generates headers like From: "Melvin, Grant" <Grant.Melvin(a)netapp.com> ? It can only lead to confusion ... Chris Thompson University of Cambridge Computing Service, Email: cet1(a)ucs.cam.ac.uk New Museums Site, Cambridge CB2 3QH, Phone: +44 1223 334715 United Kingdom.

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RE: Qtree based Snapshots
by Melvin, Grant 08 Feb '02

08 Feb '02

Hi Uros, Its always good practice to discuss topics like this with your NetApp Sales account team. Its not NetApp's policy to have discussions around speculative or new functionality in this forum. Cheers, Grant For information on NetApp's Data Protection Solutions view http://www.netapp.com/solutions/data_protection.html <http://www.netapp.com/solutions/data_protection.html> . -----Original Message----- From: Uros Lampret [mailto:uros.lampret@ourspace.si] Sent: Friday, February 08, 2002 7:29 AM To: toasters(a)mathworks.com Subject: Qtree based Snapshots Is there sometning new with qtree based snapshots? What about ONTAP 6.2? _____________________________ Uros Lampret _____________________________

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