toasters January 2000

toasters@lists.teaparty.net

120 participants
129 discussions

rsync and nfs file systems
by Greg Kitch 24 Feb '00

24 Feb '00

We have experienced the following problem with the --delete option when using rsync to mirror data... When a directory on the source file system is replaced by a symbolic link with the same name, the directory is deleted from the destination file system by rsync by unlinking the directory without having recursively removed all files/directories under the parent (deleted) directory. The net effect on our local destination file system seems to be that this leaves unreferenced files and directories that must be cleaned up by fsck at some future date. We noticed this by accident simply because we decided to take an rsync-mirrored disk offline and fsck it to check its integrity. Our question is...What will happen to a wafl file system if rsync deletes a directory in this fashion? Does NFS deal with this properly or is it a potential issue? Thanks in advance. Greg Kitch UCLA SEASnet Computing Facility

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RE: max file system size
by Jason Middlebrooks 16 Feb '00

16 Feb '00

So on a F760 I can have 56 32GB drives on one fibre loop? Is any performance lost here? Thanks Jason "Bond, Andrew" <abond(a)netapp.com> on 01/28/2000 09:48:33 AM To: Jason Middlebrooks/Datalink cc: toasters(a)mathworks.com Subject: RE: max file system size This question should really be addressed to your local NetApp sales person or SE, however: > Is the maximum storage per fibre loop still 464.4GB? No. The maximum storage per F760 is presently approx. 1.4TB raw disk space. This can be on one loop or more than one loop, in whatever config you require, subject to a maximum of 56 devices per loop. Regards, Andrew

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RE: win2k , WINS and serving CIFS
by Muhlestein, Mark 31 Jan '00

31 Jan '00

You shouln't have any problems with Win2k clients as long as you have the latest version of OnTap (5.3.4R3). Take a look at http://now.netapp.com/NOW/misc/head/win2000.shtml for a writeup on Windows 2000 and the filer. It's slightly out of date but you will get the basic idea. Mark Muhlestein -- mmm(a)netapp.com -----Original Message----- From: Farid Hamjavar [mailto:hamjavar@unm.edu] Sent: Friday, January 28, 2000 2:40 PM To: toasters(a)mathworks.com Subject: win2k , WINS and serving CIFS Hello, This is not entirely related to netapp but it somewhat is. Being a primarily unix environment, we have these two windows-nt boxes that really don't do much but act as WINS server so our clients can access the netapp filers. And that's how we serve CIFS. Not being a windows person, I like to ask what do we need to do with win2k coming to picture. Will a win2k client be able to access files via CIFS the way we do it now? Is that true that WINS service is history and no longer available? If so, how would we keep on giving CIFS service to our windows clients? Thanks, Farid

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RE: Toasters in Compaq Racks
by Benn, Paul 31 Jan '00

31 Jan '00

NetApp racks and Compaq racks are both made by Rittal. The mounting flanges on the Compaq version, however, are set nearly flush to the door jam of the cabinet whereas the NetApp version of the rack has the mounting flanges set a bit farther back (closer to the vertical support beams). Though I'm pretty familiar with both rack styles I've never tried this. In my, somewhat educated opinion, there are a few possible issues: 1) The filer will need to be supported in the front as well as the rear. While mounting the disk shelves directly to the flange should be okay, mounting the filer using the front support only probably isn't a good idea given the thickness (rather, thinness) of the flange. The horizontal support rails that ship with a filer *might* work in the Compaq version. Similarly, the horizontal support rails that ship with the Compaq also *might* work (you likely have a number of these laying around since Proliants typically ship with their own slide rails or horizontal support rails). 2) Now if the above turns out to be a non-issue, you may have a problem closing the cabinet door since the filer's bezel sticks out farther than your typical Compaq Proliant does. 3) Even if the door does close, the bezel might be set too close to the Plexiglas door panel which might cause ventilation problems (you wouldn't want to suffocate your poor filer, now would you?). I've seen some shops, however, where they opt not to install the front door on their Compaq racks. 4) I don't recall if the cabinets are available in the same height. If so, you might be able to get away with mounting a NetApp version next to a Compaq version using a coupling kit. Since the internal vertical bracing seems to be different, you may not be able to install the angle brackets for extra support. It probably seems like I'm pitching the NetApp solution as a stand-alone rack (okay, so I am) but Rittal (http://www.rittal.com/) may have a better answer for you. Meanwhile, I'll poke around over here to see if I can come up with some better news. Regards, Paul Benn Network Appliance -----Original Message----- From: Andrew Webster [mailto:Andrew-M.Webster@db.com] Sent: Sunday, January 30, 2000 10:47 PM To: toasters(a)mathworks.com Subject: Toasters in Compaq Racks and Unicode Files Hi There, Has anyone out there installed F 760es in Compaq racks? Any special tips, problems etc....

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Toasters in Compaq Racks and Unicode Files
by Andrew Webster 31 Jan '00

31 Jan '00

Hi There, Has anyone out there installed F 760es in Compaq racks? Any special tips, problems etc.... Also, can anyone relay any experiences (good or bad) with using Non-English files and directories for CIFS clients on Toasters. And finally, the System. Admin Guide talks about setting a language of a volume with the "vol lang volume langcode" command. Does this having any affect for Unicode clients, ie NT? Any help appreciated. -- Andrew Webster Windows NT Consultant Sanno Move Project Deutsche Securities Ltd. - Tokyo Tel. +81-3-5408-4787 Fax. +81-3-5401-6998 Andrew-M.Webster(a)db.com

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Re: rsync and nfs file systems
by jrg＠acm.org 31 Jan '00

31 Jan '00

On Mon 31 Jan, 2000, "Bruce Sterling Woodcock" <sirbruce(a)ix.netcom.com> wrote: >It's not Solaris per se; it's been a standard UNIX-ism for a long time. Yup. Before 4.2BSD, there wasn't an rmdir and directories were made and removed with link/unlink (so not very atomic). Excerpt from SunOS 4.1.x man pages: unlink (8V): WARNINGS Only the super-user can unlink a directory, in which case the files it contains are lost. The files can, however, be recovered from the file system's lost+found directory after performing an fsck. unlink (2V): NOTES Applications should use rmdir(2V) to remove directories. Although root may use unlink() on directories, all users may use rmdir(). Of course, it's awkward for root - especially if something changes from a file to a directory whilst it's not looking - as there doesn't seem to be a way to call unlink whilst saying 'but not directories'. James.

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logging quota exceeded messages
by R.P. Aditya 30 Jan '00

30 Jan '00

I'm unable to find out (on NOW) what facility and level disk quota exceeded messages are syslogged: Sat Jan 29 23:01:53 PST [de0]: uid 14602: disk quota exceeded on volume vol0 I don't want to see them in general...however I'm wary of missing other stuff. I currently have: *.info /dev/console *.warning /etc/messages *.err;kern.* @adminhost which I presume should catch most interesting events apart from the the quota exceeded messages... Advice is appreciated. Thanks, Adi

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RE: Shelf Temp. Alarms...
by Datta, Diptish 30 Jan '00

30 Jan '00

Eyal, This sounds like bug 16767 - you can look it up on NOW. If you are not running 5.3.4 then this is the likely suspect. -diptish -----Original Message----- From: Eyal Traitel [mailto:eyal.traitel@motorola.com] Sent: Saturday, January 29, 2000 10:02 AM To: toasters(a)mathworks.com Cc: support(a)netapp.com; vine(a)netapp.com; dubi; Menachem Kaiser (r53417); Mati Giladi (r57914); Haim Leib (r52445) Subject: Shelf Temp. Alarms... Importance: High Hi ! Does anybody have this errors ALL THE TIME ?!? It seems that we've had enough of these... CAN SOMEONE SOLVE THIS ONCE AND FOR ALL ????? Eyal/Motorola. ****************************************** Eurologic EDM shelf 7 on host adapter 7 reports a critical condition Digital Temperature Sensor Element 1 reports critical status overtemperature failure temperature: 228 (C), 442 (F) Sat Jan 29 18:59:49 IST [statd]: *** NOTICE *** Fault reported on disk storage shelf attached to slot 7. Please check fans, power and temperature.

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Shelf Temp. Alarms...
by Eyal Traitel 29 Jan '00

29 Jan '00

Hi ! Does anybody have this errors ALL THE TIME ?!? It seems that we've had enough of these... CAN SOMEONE SOLVE THIS ONCE AND FOR ALL ????? Eyal/Motorola. ****************************************** Eurologic EDM shelf 7 on host adapter 7 reports a critical condition Digital Temperature Sensor Element 1 reports critical status overtemperature failure temperature: 228 (C), 442 (F) Sat Jan 29 18:59:49 IST [statd]: *** NOTICE *** Fault reported on disk storage shelf attached to slot 7. Please check fans, power and temperature.

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RE: win2k , WINS and serving CIFS
by ZANGA, Michael, GCM 29 Jan '00

29 Jan '00

Wins presenting mantains Netbios names. Win2k no longer has this dependency so NEW clients i.e. Win2k will only DNS for resolution. Downloevel clients will still need WINS but you can upgrde it to the Win2k version and make it more stable and integrated with DNS. -----Original Message----- From: Farid Hamjavar [mailto:hamjavar@unm.edu] Sent: Friday, January 28, 2000 5:40 PM To: toasters(a)mathworks.com Subject: win2k , WINS and serving CIFS Hello, This is not entirely related to netapp but it somewhat is. Being a primarily unix environment, we have these two windows-nt boxes that really don't do much but act as WINS server so our clients can access the netapp filers. And that's how we serve CIFS. Not being a windows person, I like to ask what do we need to do with win2k coming to picture. Will a win2k client be able to access files via CIFS the way we do it now? Is that true that WINS service is history and no longer available? If so, how would we keep on giving CIFS service to our windows clients? Thanks, Farid

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toasters January 2000