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auto-mounting CIFS shares at boot time?
by rasmus＠bellglobal.com 26 Nov '97

26 Nov '97

Please take pity on a poor Unix hack who has gotten a bunch of NT servers shoved onto his network. I am trying to get these boxes to automatically mount a CIFS share when they boot. So far I have only been able to get the share to come up when I log a user in. When the user logs out the share disappears. Not exactly a good thing when you have a web server service running in the background trying to serve up pages directly from this Netapp cifs share. My kingdom for /etc/vfstab for NT! Any tips would be appreciated. -Rasmus

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RE: auto-mounting CIFS shares at boot time?
by Matt Lewin 25 Nov '97

25 Nov '97

Guy is right about the dialog box popping up if NT does not already have your password cached. You would need to have already logged in at that point anyway. There are two ways to accomplish what you want (that I know of): 1) If your web server is running as a service, you can typically configure it to log in as a user at bootup time. To do this, open the "Services" control panel and double-click on your web server service. You should then be presented with the capability of logging the service in under a particular account. This will allow the web server access to any resource the corresponding user account has access to. It has been awhile since I have used anything but IIS to do this sort of thing, so I don't remember if it is the only web server capable of using this facility. In fact, so many people had problems with this kind of thing before IIS 3.0, that they added support for mapping virtual directories using particular account names as of IIS 3.0. (Just look in Microsoft Internet Service Manager under WWW properties.) 2) If for some reason you can't (or don't want to) use the above mechanism, you can have NT automatically logon at boot up time. This is a less elegant, but completely effective way of accomplishing what you want. Obviously, there is a security risk in having a machine auto-logon, but if you set the screen saver to be password protected and to pop up in 1 minute, you should be relatively safe. Anyway, to do it, you need to edit the registry: Under the key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon, add a value named AutoAdminLogon. It must be of type REG_SZ with the value 1. (Yes, REG_DWORD really would have been better.) Then you need to have values for DefaultDomainName and DefaultUserName, according to where and who you want to log in. Then add another REG_SZ value named DefaultPassword containing the specified user's password. Then logout, and your machine should auto-login as the specified user. Some little tidbits about this technique: - It is obviously unsafe to have a clear text password in the registry, so you should make this user essentially powerless beyond his access to the web resources. - When the time comes that you don't want the machine to auto-login, hold down the shift key, and you will receive the normal bootup sequence. You can do this when you log the user out as well, so that you can log in to do whatever you want as a real user. - As of NT 4 SP something, you can't auto-login as Administrator (this is probably good anyway); it will work once, and then prompt you for the password again. Basically, the AutoAdminLogon variable is changed to 0 when the Administrator auto logs on. b/t/w, #2 is available somewhere on the MS knowledge base, I just don't remember the article off the top of my head. Hope this helps. -Matt On Tuesday, November 25, 1997 11:50 AM, Guy Harris [SMTP:guy@netapp.com] wrote: > > > and then worrying about drive N: being mapped to the right place by the > > > time the server starts up, feed it: > > > > > > \\FILERNAME\[WEBSHARE\]WWWROOT > > > > > > instead. This can make life much easier down the line. > > > > Where is the user authentication step done if I do this? > > As I remember, a dialog box pops up when you do that, if the system > doesn't already have your password cached. > > I've no idea what happens if e.g. an NT service refers to a UNC name.

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Is there anyway to change the HOST SCSI ID of the tape drive SCSI adapter?
by Andrew Bond 25 Nov '97

25 Nov '97

Jaye, this should be in the toasters archive (see the following message from Brian Tao). The utility that Dario mentioned is on Quantum's website, or you should be able to use scsi commands, as Brian suggests. Andrew Bond Systems Engineer, Network Appliance UK >Return-Path: <madhatta(a)turing.mathworks.com> >Date: Thu, 26 Jun 1997 13:46:19 -0400 (EDT) >From: Brian Tao <taob(a)nbc.netcom.ca> >To: Dror Matalon <dror(a)dnai.com> >Cc: toasters(a)mathworks.com >Subject: Re: DLT4000 drives on F220 > >On Thu, 26 Jun 1997, Dror Matalon wrote: >> >> The instructions used to be at > www.quantum.com/support/dltapp/qt00004_.htm >> but they're not there anymore. I sent a copy of Dlttools.zip to >> netapp support, so they should have it, if you can't find it >> elsewhere. > > A quick trip through Dejanews turned up the relevant info. The >utility and documentation are at: > >ftp://ftp.quantum.com/Utilities/DLT_Tools_4_8.exe >http://support.quantum.com/appnotes/qt00004_.htm > > It looks like there is enough information there that someone with >a good knowledge of SCSI mode pages and an appropriate utility (like >FreeBSD's scsi(8) command) should be able to modify the vendor ID from >a UNIX box. >-- >Brian Tao (BT300, taob(a)netcom.ca) >"Though this be madness, yet there is method in't" > > >

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Unaccounted for disk space
by Brian Tao 25 Nov '97

25 Nov '97

I have four filers that are nearing production status, and the hardware and software configurations were frozen this morning. To start everything fresh, I zeroed all the disks and recreated the filesystem on all four filers, untarred the 4.2a distribution, restored the rc, serialnum, hosts and hosts.equiv files, downloaded the boot code to the drives, and rebooted. Once everyone was back online, I noticed there is a discrepancy between 'df' and 'du' outputs. 'df' says 40MB are used on two of the filers, and 4.5MB on the other two. 'du' from the admin host consistently reports about 4MB used. Where is that space on adm1-na2 and adm1-na3 going? Old snapshots (which I've all deleted)? The only files ever to have lived on these filesystems are the OS-related ones in /etc. All option settings are the same, maxfiles is set to the default, etc. || admin# df -k /na1 /na2 /na3 /na4 || Filesystem kbytes used avail capacity Mounted on || adm1-na1:/ 33007568 4520 33003048 1% /na1 || adm1-na2:/ 33007568 40192 32967376 1% /na2 || adm1-na3:/ 33007568 40184 32967384 1% /na3 || adm1-na4:/ 33007568 4408 33003160 1% /na4 || || admin# du -sk /na1 /na2 /na3 /na4 || 4048 /na1 || 4048 /na2 || 4048 /na3 || 4048 /na4 || admin# rsh adm1-na1 df || Filesystem kbytes used avail capacity Mounted on || / 33007568 4520 33003048 0% / || /.snapshot 0 0 0 ---% /.snapshot || || admin# rsh adm1-na2 df || Filesystem kbytes used avail capacity Mounted on || / 33007568 40192 32967376 0% / || /.snapshot 0 0 0 ---% /.snapshot || || admin# rsh adm1-na3 df || Filesystem kbytes used avail capacity Mounted on || / 33007568 40180 32967388 0% / || /.snapshot 0 0 0 ---% /.snapshot || || admin# rsh adm1-na4 df || Filesystem kbytes used avail capacity Mounted on || / 33007568 4404 33003164 0% / || /.snapshot 0 0 0 ---% /.snapshot || admin# rsh adm1-na1 snap list || working......... %/used %/total date name || .. || ---------- ---------- ------------ -------- || || admin# rsh adm1-na2 snap list || working.......... %/used %/total date name || . || ---------- ---------- ------------ -------- || || admin# rsh adm1-na3 snap list || working.......... %/used %/total date name || . || ---------- ---------- ------------ -------- || || admin# rsh adm1-na4 snap list || working........... %/used %/total date name || || ---------- ---------- ------------ -------- || -- Brian Tao (BT300, taob(a)netcom.ca) "Though this be madness, yet there is method in't"

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Instability with full filesystems?
by Brian Tao 25 Nov '97

25 Nov '97

Has anyone noticed OnTAP 4.2a crashing when the WAFL filesystem uses up all available disk space or inodes? I was doing a series of ndmpcopies to several filers, with the intent to complete fill them to capacity with as many 2GB files as I could fit. One of the four filers crashed and rebooted early this morning: Tue Nov 25 06:00:04 EST [statd]: 6:00am up 14:40 1362 NFS ops, 0 CIFS ops, 0 HTTP ops Tue Nov 25 07:00:03 EST [statd]: 7:00am up 15:40 1362 NFS ops, 0 CIFS ops, 0 HTTP ops Tue Nov 25 12:37:32 GMT [rc]: saving 59M to /etc/crash/core.0-small ("trap 13 code = 0 eip = 196aad cs = 8 eflags = 10246 ") Tue Nov 25 12:38:04 GMT [rc]: saving 258M to /etc/crash/core.0 ("trap 13 code = 0 eip = 196aad cs = 8 eflags = 10246 ") Tue Nov 25 12:38:41 GMT [wafl_lopri]: file system is full Tue Nov 25 12:38:41 GMT [rc]: (out of disk space?) Tue Nov 25 07:38:51 EST [rc]: relog syslog Tue Nov 25 07:00:03 EST [statd]: 7:00am up 15:40 1362 NFS ops, 0 CIFS ops, 0 HTTP ops Tue Nov 25 07:38:51 EST [rc]: NetApp Release 4.2a boot complete. Tue Nov 25 07:38:52 EST [asup_main]: System Notification mail sent There wasn't enough room to save the large core file, but the small one appears to be intact. I saw something similar happen on a different filer when it ran out of inodes (unfortuately, I didn't save a copy of the panic message). If the crashes are related to full filesystem conditions, I won't worry about it too much. Just curious. ;-) -- Brian Tao (BT300, taob(a)netcom.ca) "Though this be madness, yet there is method in't"

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Re: F630 4.2a CIFS unable to access snapshots?
by Daniel Quinlan 25 Nov '97

25 Nov '97

Steve Losen <scl(a)sasha.acc.virginia.edu> writes: > We have a F630 running 4.2a and are having trouble accessing > snapshots with CIFS. This may be unrelated, but some NFS clients have problems using the .snapshot way of accessing snapshots. Apparently, Netapp returns the same NFS filehandle or at least the same inode number for snapshots as for the current version of the file, and this can confuse NFS clients. sodium:~ $ ls -i .profile 602274 .profile sodium:~ $ ls -i .snapshot/hourly.0/.profile 602274 .snapshot/hourly.0/.profile To work around this problem, we set up a separate NFS export of filer:/.snapshot that we mount under /snapshot/filer. That way, you can use a completely different mount point to recover a file and the inode problem is a non-issue. Since we've had people experience file corruption when using the .snapshot in their working directory, and no problems when using the separate mount point, I asked NetApp several times for an option to disable all .snapshots except for the root one. - Dan

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RE: auto-mounting CIFS shares at boot time?
by Bruce Clarke 24 Nov '97

24 Nov '97

On Monday, November 24, 1997 3:07 PM, rasmus(a)bellglobal.com [SMTP:rasmus@bellglobal.com] wrote: > Please take pity on a poor Unix hack who has gotten a bunch of NT > servers > shoved onto his network. > > I am trying to get these boxes to automatically mount a CIFS share > when > they boot. So far I have only been able to get the share to come up > when > I log a user in. When the user logs out the share disappears. Not > exactly > a good thing when you have a web server service running in the > background > trying to serve up pages directly from this Netapp cifs share. My > kingdom > for /etc/vfstab for NT! > > Any tips would be appreciated. > > -Rasmus Check out a facility called "Autoexnt". It is on the MS Tech-Net CDROM and an archive for it also exists at: http://www.savilltech.com/ntfaq/sysconf.html#sysconf43 Bruce Clarke - Database Market Development Manager Network Appliance, Inc. 2770 San Tomas Expressway Santa Clara, CA 95051 USA Phone: 1-408-367-3156 FAX: 1-408-367-3151 Email: bclarke(a)netapp.com WWW: www.netapp.com

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630 Quad ethernet interface?
by Wayne 23 Nov '97

23 Nov '97

Hello, We received our first NetApp, a 630 with a slew of quad ethernet interfaces in it recently. My plan was to connect a number of Sun Ultra 2's directly to the filer using crossed ethernet cables. Also, Sun sells a QFE (Quad Fast Ethernet) card that supports the "trunking" of all four ports of this card which allows an 800Mb/s (100x4xfull duplex) connection toother compatible devices (other Suns, I assume some ethernet switches, etc.) Does anyone know if the quad ethernet controllers in the 630 can be configured this way? Also, has anyone benchmarked how much data a NetApp 630 can push to half a dozen to a dozen Ultra 2's that are directly connected via 100mb/s full duplex connections? Any tuning hints? I'd definitely appreciate learning from the collective experience. -- Wayne D. Correia Critical Path Inc. tel: +1-415-543-2800 CTO 320 First Street fax: +1-415-543-2830 www.criticalpath.net San Francisco, CA 94105 gsm: +1-415-826-6000 "we handle the world's email" http://www.criticalpath.net

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backing up large filers
by matthew zeier 21 Nov '97

21 Nov '97

Has anyone found a "good" solution to backing up large filers? Someone convinced me that this ndmp thing was the way to go and I bought into the whole BudTool scheme (since they're the only ones supporting ndmp). I have an issue with that too - only one vendor. However, it's been nothing but a disaster and I'm looking for something far better. We've gotten the impression that no one at PDC has bothered to test BudTool with large filers with BreeceHill stackers (PDC and NetApp recommeneded these to us). There appears to be a general lack of interopibility. And finger pointing between Network Appliance and PDC. Right now we have an issue that keeps rebooting our filers every few days. Don't even talk about restoring data... as part of our general backup policy, we do periodic restores. I believe the wording from PDC was something to the effect that BudTool is a backup management software and not geared towards restores. Suffice it to say that we rarely have a successful restore. I'm basically fishing for alternative backup solutions. We have three F540s with ~100GB disk and about 20 other boxes with ~50GB or so each, all code development and all needs to be backed up. Any ideas? We're all pretty frustrated at the lack of a solid backup solution from Network Appliance. Hell, I'd go for something proprietary so long as it worked! - mz -- matthew zeier -- mrz(a)3com.com -- 3Com EWD Engineering -- 408/764-8420 ...................................................................... "Y el mundo se mueve, mas rapido y mejor." - Fey

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F630 4.2a CIFS unable to access snapshots?
by Steve Losen 20 Nov '97

20 Nov '97

We have a F630 running 4.2a and are having trouble accessing snapshots with CIFS. Our snapshot schedule is hourlies every two hours, keep 8, and keep 7 nightlies, so we usually have 15 lying around. We use both NFS and CIFS, with unix style file protection semantics. >From NT and W95, you can get into a share and use it just fine. If you browse the ~snapshot dir, you see all the hourly.* and nightly.* entries, but if you click on any of them, you get an access denied error box. If you "dir" the snapshot directory you see all the hourly.* and nightly.* entries, but if you dir any of those, they are empty. The live directory has plenty of files in it and from NFS, you can access files in all the snapshots. Again, the live filesystem works just as you would expect. It's only the snapshots that are giving us trouble. By the way, I posted an earlier problem about the set-group bit and later realized that I was not a member of my test file's group, so of course I couldn't set the set-group bit - duh. Steve Losen scl(a)virginia.edu phone: 804-924-0640 University of Virginia ITC Unix Support

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