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by Manoj Gandhi 17 Feb '98

17 Feb '98

subscribe ) ========================================================= Manoj Gandhi Customer Support Representative Network Appliance (408)367-3198 http://www.netapp.com/ _________________________________________________________

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Exabyte Mammoth (exb-8900) and 220 changer support?
by Dave Cole 16 Feb '98

16 Feb '98

I am in the process of evaluating tape units and came upon the startling discovery that (as of at least) ontap 4.3R3, there is still no support for the Exabyte Mammoth tape drive. Does anyone know any details about this issue? I would really like to be able to recommend the Exabyte Mammoth 20/40GB tape drives. ------------------------------------------------------------- Dave Cole (DC1110) | dacole(a)netcom.ca Systems Administrator | dacole(a)vex.net | office/~dacole/ Netcom Canada | www.vex.net/~dacole/ 905 King Street West, Toronto, M6K 3G9 | phone - 416.341.5801 Toronto, Ontario, Canada, Earth, Sol | fax - 416.341.5725

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Re: Multiple IP Addresses per interface?
by Keith Brown 16 Feb '98

16 Feb '98

>The purpose of this email is to ask if I can configure multiple IP >addresses per physical interface on an F330. Sure. It's very easy using the "alias" option to ifconfig(1). For example, the sequence: ifconfig e0 192.1.1.1 ifconfig e0 alias 192.1.1.2 will put a couple of addresses on the e0 interface. >If it is possible I did >not see reference to it in the manuals. It's described on the na_ifconfig(1) man page in the command reference guide for Data ONTAP 4.3.X. If you have a NOW account, you can obtain this electronically from: http://now.netapp.com/knowledge/docs/crq41.pdf >the filer is a F330 running 4.0.2c (?) and I have NFS over TCP turned off. Hmmm. I don't know offhand when the multiple IP addresses on a single interface support was formally introduced. There's a chance it was post 4.0.2c, although I'm not certain. If your na_ifconfig(1) man page doesn't mention the "alias" option, you may need to get a hold of a newer software release. Again, you can download that from the NOW web site if you have an account there. Keith

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GNU find patch to fix .snapshot annoyance
by Daniel Quinlan 16 Feb '98

16 Feb '98

It's really annoying when find(1) descends into a .snapshot directory. Here's a patch against GNU findutils 4.1 tested under Linux and Solaris to fix the problem. It still allows descent into .snapshot, but only if .snapshot is specifically listed on the command line. GNU findutils is available at <URL:ftp://prep.ai.mit.edu/pub/gnu>. Dan --- findutils-4.1/find/find.c~ Wed Oct 12 14:21:11 1994 +++ findutils-4.1/find/find.c Sun Feb 15 17:21:29 1998 @@ -38,6 +38,10 @@ #define lstat stat #endif +#ifndef S_IRWXUGO +#define S_IRWXUGO (S_IRWXU|S_IRWXG|S_IRWXO) +#endif + int lstat (); int stat (); @@ -390,8 +394,11 @@ apply_predicate (pathname, &stat_buf, eval_tree); if (stop_at_current_level == false) - /* Scan directory on disk. */ - process_dir (pathname, name, strlen (pathname), &stat_buf, parent); + /* Skip over Network Appliance ".snapshot" directories. */ + if (!(!strcmp(name, ".snapshot") && (stat_buf.st_uid == 0) && + (stat_buf.st_gid == 0) && ((stat_buf.st_mode & 0777) == S_IRWXUGO))) + /* Scan directory on disk. */ + process_dir (pathname, name, strlen (pathname), &stat_buf, parent); if (do_dir_first == false && curdepth >= mindepth) apply_predicate (pathname, &stat_buf, eval_tree);

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Multiple IP Addresses per interface?
by David Drum 15 Feb '98

15 Feb '98

Hello everyone, The purpose of this email is to ask if I can configure multiple IP addresses per physical interface on an F330. If it is possible I did not see reference to it in the manuals. The reason I am asking about this may be of interest to some, though, so an explanation follows. Upon installing a Cisco Catalyst network switch, communication between the filer and our staff machine went bad. I am the only one using the filer from the staff machine so I have only researched the problem as time allows. The staff machine is a Sun Ultra 2 running Solaris 2.5.1, the filer is a F330 running 4.0.2c (?) and I have NFS over TCP turned off. The first thing I did was have our network guys manually configure all the ports on the Catalyst, since this list had discussed the general problem with ethernet autonegotiation. It did not help. The next thing I did was replace the ethernet cable from the staff machine to the Catalyst. If the staff machine was the only device having a problem, it stood to reason. No effect. Next, I began a long series of large packet pings between various machines connected to the Catalyst. As a result of that, I have discovered that a Catalyst does not like multiple subnets and drops from 12 to 22 percent of cross-subnet packets. My network guru claims that the Catalyst switches at layer 2 and so the IP address should not matter, but that certainly is at odds with what I am seeing. I'll let the list know how this turns out OR if you have a Catalyst serving multiple subnets without problem, please let me know how it is configured. Just for the record, the filer and its two main clients are on three successive ports on the Catalyst. Regards, David K. Drum david(a)more.net -- It's hard to be bored when you're as stupid as a line. [1] Reality has a tendency to be so uncomfortably real. [2] You can only measure the size of your head from the inside. [3] When you proceed deliberately, mistakes don't cascade, they instruct. [4] [1] Vernor Vinge [2] Neil Peart [3] Larry Wall [4] Stewart Brand

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[Fwd: Exabyte Mammoth (exb-8900) and 220 changer support?]
by Steve Gremban 13 Feb '98

13 Feb '98

Dave, In the February '98 issue of SysAdmin magazine they do an evaluation of the Sony AIT, Exabyte Mammoth, and the Quantum DLT. They compare head life, tape capacity, cost per GB compressed/uncompressed, media load and file access times, transfer rates compressed/uncompressed, etc., and end up recommending the Sony. I am using Quantum DLT technology and find it performs well, is reliable, and is supported on the Netapp. I'm not sure whether the Sony or Exabyte are supported yet. -Steve Gremban gremban(a)ti.com

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subscribe
by Mark Conley 12 Feb '98

12 Feb '98

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Re: Moving disks between filers
by Robert Hamilton 11 Feb '98

11 Feb '98

Amy, You can install the F220 disks in any available SCSI slot with a SCSI ID between 0 and 6. In the factory default settings on the F540 "shelf pair" these are the remaining 6 slots in the shelf that has the differential converter installed in the far right position. The F220 drives are narrow (8-bit), so they can't be recognized in SCSI IDs >7. A lot of our customers are using recycled F220/F330 disk drives in their newer systems, including the F540, F520 and F630. Regards, Robert Hamilton NetApp >At 10:05 AM 2/11/98 -0500, Amy Chused wrote: >>I have a 540 and a 220. The 220 has been taken out of production and is >>going to be reinitialized before it is used again. The 220 disk shelves >>are full (lots o' disk). >> >>The 540 is in production, and isn't short of disk space right now, but we >>all know how swiftly disk space vanishes. >> >>I'd like to know if it's possible to use disks from the 220 in the 540 disk >>shelves. Does anyone know? >> >>Thanks, >> >> Amy >> >> > >Respectfully, >Greg Collins > > > NETWORK APPLIANCE >========================================================================= > FAST! SIMPLE! RELIABLE! MULTIPROTOCOL!! >========================================================================= >Greg Collins support: 1-888-4NETAPP >District Manager/MidAtlantic support email: support(a)netapp.com >voice: 301-230-5840 main: 1-800-952-5005 >fax: 301-230-5852 URL: http://www.netapp.com/ >email: gcollins(a)netapp.com >pager: 1-800-891-2746 >pager-mail: gcollins-pager(a)netapp.com > >=========================================================================== > > >

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Moving disks between filers
by Amy Chused 11 Feb '98

11 Feb '98

I have a 540 and a 220. The 220 has been taken out of production and is going to be reinitialized before it is used again. The 220 disk shelves are full (lots o' disk). The 540 is in production, and isn't short of disk space right now, but we all know how swiftly disk space vanishes. I'd like to know if it's possible to use disks from the 220 in the 540 disk shelves. Does anyone know? Thanks, Amy

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Logging in to CIFS from W95 using multiple loginids
by Steve Losen 10 Feb '98

10 Feb '98

One of our staff is working on an application that makes it easy to map a netapp share to a drive letter. This application works fine on NT, but W95 is causing trouble. The application is a little visual basic program that opens up a box that allows the user to enter a loginid, password, and shows a list of drive letters to map to. The user sets these things and the application supplies the name of the share by building it from our NetApp's name and the user's loginid, eg, \\home1\abc9d. On NT this works great. You can specify different loginids and passwords for different shares and map them to various drive letters. On W95, however, this doesn't work so well. Apparently the calls that the visual basic app makes are replacing the loginid that the user specifies with the loginid that the user logged in to W95 with. In other words, this app cannot override the current W95 loginid. If you specify the same loginid that you logged in to W95, then it works fine. We are curious if anyone else has any experience with this problem and has any suggestions for fixing it. For the curious, we want an application like this because our NetApp box is going to eventually have around 20,000 CIFS accounts and we are going to use the unix passwd authentication rather than set up a NT domain controller and have to pay license fees per user, etc. We don't plan to have any WINS servers know about the NetApp. We have too many different networks at this University to rely on every net being able to browse for the NetApp in Network Neighborhood, etc. Instead, we are going to hand out this little app that knows the name of the netapp, making browsing, and/or remembering the name of the server unnecessary. Plus, this app will disconnect after a certain amount of idle time. Because various departments maintain their own NT file servers (with their own loginids), we can't assume that a user will always be able to login to W95 using the same loginid that they have on the netapp, hence the need to override the W95 loginid. Also, in some of our lab environments, each PC automatically logs in to W95 on boot using a "dummy" machine loginid. Has anyone done anything like this? If we can't override the W95 loginid, could our application somehow change it, connect to the server, and change it back? Steve Losen scl(a)virginia.edu phone: 804-924-0640 University of Virginia ITC Unix Support

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