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RE: CIFS and win not res kit SU cmd
by Jankowski Ted-CTJ012 09 Jan '01

09 Jan '01

If you try connecting to the NetApp via IP address, you should be able to log in with a second set of credentials, while keeping your first connection (via name). -Ted -----Original Message----- From: Larry Nail [mailto:lnail@ti.com] Sent: Monday, January 08, 2001 7:40 PM To: neil lehrer; toasters Subject: Re: cifs and win nt res kit SU cmd You can only have 1 set of logon credentials for a file system connection (UNC or Mapped drive) to another CIFS system per logon session (Terminal Server handles logon sessions differently). If you're connected to \\filer\share as nlehrer with your regular account, your credentials will be domain\nlehrer until you disconnect from that system (closing a window doesn't necessarily disconnect you). To connect to the same filer with another logon account, you need to unmount all your connections. You can do this with Windows Explorer (Disconnect Mapped Drive) but that doesn't always show all the connections, so I recommend that you use NET USE to display your drive connections, then use " net use \\filer\<sharename> /d " for each connection to the filer (including ipc$). You can at that point use Windoze Explorer to map a network drive using other credentials (you can not do this from a 9x client) or use " net use \\filer\ipc$ /user:domainname\username password " (you can skip the password if you'd like & you should be prompted). ----- Original Message ----- From: "neil lehrer" <nlehrer(a)ibb.gov> To: "toasters" <toasters(a)mathworks.com> Sent: Wednesday, December 27, 2000 1:00 PM Subject: cifs and win nt res kit SU cmd : hi, : : i am just bringing up an f760 cluster with cifs and nfs. i had just configured : my shares and went to edit some of the files in \etc with wordpad and found that : i was getting access denied, but could edit them when going thru nfs and using : vi. : : after checking a bunch of things it turned out that something wasn't happy about : the way i was accessing the files - using the SU cmd in the nt 4 res kit. : normally i log into my nt machine locally and if i want to do any domain admin : stuff i just open a cmd window and SU to my domain admin acct. saves me from : rebooting or using another machine. in this case i can SU and use srvmgr : against the filer with no problem, but actually editing files that require : administrator privileges doesn't work. i do have the correct mappings in : usermap.cfg and editing does work properly if i do a "normal" domain admin : login. : : any ideas? anybody ever get this to work? : : i really like being able to use SU this way and [in the past] it made it easy to : test access against other ids without moving to another machine or rebooting? : thanks. : : -- : : : regards :

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RE: following unix soft links
by Benn, Paul 09 Jan '01

09 Jan '01

James, Windows (CIFS) clients should indeed be able to follow UNIX symlinks as long as the symlinks do not point to a directory outside of the CIFS share point. This is done to maintain the security of other shares (like, say, c$). I haven't played with Samba in a while but it may operate in a similar way. Regards, Paul Benn Network Appliance -----Original Message----- From: Coder, James (STP) [mailto:james.coder@guidant.com] Sent: Tuesday, January 09, 2001 7:00 AM To: toasters(a)mathworks.com Subject: following unix soft links I recently moved users from a Solaris home server to our 760 (6.0.1.r1). filer. The users had created soft links (ln -s) to directories (either within their home directory or to other points via the automounter). Previously the Unix home shares were shared via samba and Unix users in the Windows environment could follow a soft link to the directory. With the data moved to the NetApp, this is no longer available when using CIFS. I opened a case with NetApp and basically the answer was - that's right - the filer won't follow the link to a directory. I have toyed with the idea of using samba on a box and letting the user point to it, thus letting samba provide the share service. Have not tried this, but was wondering if anyone has? Does anyone know of a work-around for this? Thx in advance for any replies. JCC James C. Coder UNIX Administrator Guidant Corporation Phone: 651-582-4797 Email: james.coder(a)guidant.com <mailto:james.coder@guidant.com>

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Preposterous date/time stamp
by Thomas.L.White＠chase.com 09 Jan '01

09 Jan '01

Well - we have the honor of wearing the egg on our face. I found out from the NT group this a.m. that the files in question exist on the Novell server has these files with future dates already. thanks and sorry for the red herring. tw ---------------------- Forwarded by Thomas L. White/CHASE on 01/09/2001 11:13 AM --------------------------- Thomas.L.White@chase.com@mathworks.com on 01/08/2001 01:48:21 PM Sent by: owner-toasters(a)mathworks.com To: toasters(a)mathworks.com cc: Subject: Preposterous date/time stamp I seem to recall reading about this on the list - but could not find any related emails. Does anyone know of a bug and or fix for the date stamp on files/directories on the filer showing up as 20 to 30 years in the future ? The users are still being migrated to the filers from their old Novell or NT "homes" so this may even be due to "copy method" I'm not sure at this point We have not managed to replicate the error on "command". thanks tw

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RE: following unix soft links
by Traitel, Eyal 09 Jan '01

09 Jan '01

James, 1. A Samba host is able to follow ALL symlinks, including those to automounter directories since it's a user level application, that uses the underline NFS client when needed. A filer is only an NFS server, thus it cannot follow symlinks like: /net/other_host 2. The filer has the /etc/symlink.translations feature, which lets you solve specific link needs. 3. You can use Samba as a workaround, but the better way to handle this is clean the past, and remove old links that are in no need when the data is centralized. As something that I've done in a real-life environment, you'll be amazed how many links-to-nowhere you currently have. By the way - this is a system-slower also, as many users often have long PATH variables that goes to many such non-existing non-existing directories. Hope it helps, Eyal. ---------------------------------------------------------------------- eTraitel - I'm the new eBuzzword around !!! ---------------------------------------------------------------------- Eyal Traitel - Filer Escalation Engineer CNA, MCSE, CSA, NetApp CA Network Appliance BV Holland Office Center Kruisweg 799b 2132 NG, Hoofddorp The Netherlands Office: +31 23 567 9685 Cellular: +31 6 5497 2568 Email: eyal(a)netapp.com ---------------------------------------------------------------------- Get answers NOW! - NetApp On the Web - http://now.netapp.com ---------------------------------------------------------------------- -----Original Message----- From: Coder, James (STP) [mailto:james.coder@guidant.com] Sent: Tuesday, January 09, 2001 4:00 PM To: toasters(a)mathworks.com Subject: following unix soft links I recently moved users from a Solaris home server to our 760 (6.0.1.r1). filer. The users had created soft links (ln -s) to directories (either within their home directory or to other points via the automounter). Previously the Unix home shares were shared via samba and Unix users in the Windows environment could follow a soft link to the directory. With the data moved to the NetApp, this is no longer available when using CIFS. I opened a case with NetApp and basically the answer was - that's right - the filer won't follow the link to a directory. I have toyed with the idea of using samba on a box and letting the user point to it, thus letting samba provide the share service. Have not tried this, but was wondering if anyone has? Does anyone know of a work-around for this? Thx in advance for any replies. JCC James C. Coder UNIX Administrator Guidant Corporation Phone: 651-582-4797 Email: james.coder(a)guidant.com <mailto:james.coder@guidant.com>

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RE: disk_fw_update issue with 840-5.3.7R2
by Tom "Mad Dog" Yergeau 09 Jan '01

09 Jan '01

Spinning up and down isn't the issue. According to the warning displayed when you do a disk_fw_update, even upgrading a single disk, "It involves... suspending all disk I/O to all disks while that is happening" SUSPENDING ALL DISK I/O TO **ALL** (not ONE) DISKS. That's a problem in my environment. So I guess the question is, is the notice wrong and when you're only doing a disk_fw_update on a single disk that's allocated as a spare, it doesn't suspend I/O to ALL disks? ONTAP 6 will be very cool. I'm looking forward to being able to install it soon. I particularly appreciate the new logging features so I can see who did what when. Thanks, MD -----Original Message----- From: Krause, Oliver To: 'Tom "Mad Dog" Yergeau'; 'toasters(a)mathworks.com' Sent: 1/8/01 3:50 PM Subject: RE: disk_fw_update issue with 840-5.3.7R2 As i said you can upgrade a single disk with "disk_fw_update <disk>" without service disruption while this disk is a spare. Again, you have to specify the disk. Also does a disk firmware upgrade not take 2 minutes per disk if you use disk_fw_update. Oliver BTW: ONTAP 6.0 and higher is supposed to do a automatic update when you insert a disk with older firmware (have not tried it yet). Cool, isn't it?

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RE: HSM
by Cormier, Darleen 09 Jan '01

09 Jan '01

Hi Steve, The reason that neither Veritas Storage Replicator or other HSM packages currently support HSM migration of data to and from NetApp filers is because DataONTAP does NOT support DMAPI protocol. DMAPI means Data Management Application Programming Interface and this along with the X/Open Data Storage Management (XDSM) standard allow HSM functionality across a wide range of operating environments without sacrificing system reliability. Without this, the HSM software has no idea of file attributes or location. This reason I'm giving you all this exciting info (YAWN) is that most, if not all, HSM packages use these protocols. Until NetApp is able to support these protocols, or the 3rd party companies are able to come up with some other way of doing HSM, we will not be able to offer an HSM solution to our customers. Now, Good news/ Bad News. The good news is we are receiving more and more requests for this functionality, and I do know that engineering is looking at possibly adding support for the DMAPI protocol. The bad news is that no date has been set for beginning to implement this. Sorry we can't tell you anything better. -----Original Message----- From: SteveRoche(a)datalink.com [mailto:SteveRoche@datalink.com] Sent: Monday, January 08, 2001 12:22 PM To: toasters(a)mathworks.com Subject: HSM Hello everyone! We are considering implementing an F840 with around 4TB into a mixed UNIX and Win2K environment. My question to this much respected community is can we implement an HSM solution like say Veritas Storage Replicator to extract stale files and put them out to tape with a Netapp? I have been told know but am hoping yes. Thanks in advance Steve Roche sroche(a)datalink.com

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cifs and win nt res kit SU cmd
by neil lehrer 09 Jan '01

09 Jan '01

hi, i am just bringing up an f760 cluster with cifs and nfs. i had just configured my shares and went to edit some of the files in \etc with wordpad and found that i was getting access denied, but could edit them when going thru nfs and using vi. after checking a bunch of things it turned out that something wasn't happy about the way i was accessing the files - using the SU cmd in the nt 4 res kit. normally i log into my nt machine locally and if i want to do any domain admin stuff i just open a cmd window and SU to my domain admin acct. saves me from rebooting or using another machine. in this case i can SU and use srvmgr against the filer with no problem, but actually editing files that require administrator privileges doesn't work. i do have the correct mappings in usermap.cfg and editing does work properly if i do a "normal" domain admin login. any ideas? anybody ever get this to work? i really like being able to use SU this way and [in the past] it made it easy to test access against other ids without moving to another machine or rebooting? thanks. -- regards

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RE: disk_fw_update issue with 840-5.3.7R2
by Krause, Oliver 08 Jan '01

08 Jan '01

As i said you can upgrade a single disk with "disk_fw_update <disk>" without service disruption while this disk is a spare. Again, you have to specify the disk. Also does a disk firmware upgrade not take 2 minutes per disk if you use disk_fw_update. Oliver BTW: ONTAP 6.0 and higher is supposed to do a automatic update when you insert a disk with older firmware (have not tried it yet). Cool, isn't it? > -----Original Message----- > From: Tom "Mad Dog" Yergeau [mailto:MadDog@fool.com] > Sent: Montag, 8. Januar 2001 17:39 > To: 'Krause, Oliver'; 'toasters(a)mathworks.com' > Subject: RE: disk_fw_update issue with 840-5.3.7R2 > > > Just upgrading one disk still takes downtime for the whole > system. The > filer may be up, but if I can't access my data, effectively, > it's down. > > "Downloading disk firmware can be disruptive to the system. > It involves spinning down and then spinning up all > affected disks, and suspending all disk I/O to all disks while > that is happening. This may take up to 2 minutes to complete. > This delay may cause clients to hang, and may cause > CIFS clients to drop sessions." > > It should be noted that this notice can be misleading. It > actually takes up > to two minutes PER TYPE OF DISK to complete a disk_fw_update. > So if you > have two models of 18 GB drives and two models of 36 GB > drives, if can take > up to eight minutes to flash the firmware. Been there, done > that. Was a > little surprised the first time. :) > > Since replacement disks often ship with firmware different > than the level > currently being used on a filer, it would be nice if > (a) NetApp checked autosupport logs and pre-flashed the > firmware for you > before sending you the disk > (b) You could flash a single disk w/o disrupting all I/O for > the entire > filer. Especially if the disk is marked as a spare and > therefore not part > of any volume. > > If NetApp wanted to get *really* ambitious (I dunno, for ONTAP 6.5 or > something), this would be wild: flash firmware on a volume > one disk at a > time, and keep the volume online. While each disk is being > flashed, use the > parity disk to serve data, and keep track of writes somewhere > to get the > flashed disk back up to synch when the flash is done. > > It's too bad NetApp doesn't offer mirroring, since if you had > mirrored sets > this would be a real piece of cake. Just flash half a mirror > while the > other half served data. > > Online disk_fw_update would be a big help in five 9s environments. > > MD > > > > -----Original Message----- > From: Krause, Oliver [mailto:OKrause@netapp.com] > Sent: Saturday, January 06, 2001 5:56 AM > To: 'Premanshu Jain'; 'toasters(a)mathworks.com' > Subject: RE: disk_fw_update issue with 840-5.3.7R2 > > > You can specify which disk to upgrade. Try > > disk_fw_update <diskname> > > This works while the system is running. > > Oliver > > > -----Original Message----- > > From: Premanshu Jain [mailto:PrJain@shastanets.com] > > Sent: Freitag, 5. Januar 2001 23:31 > > To: 'toasters(a)mathworks.com' > > Subject: disk_fw_update issue with 840-5.3.7R2 > > > > > > I have a 840 cluster. Whenever I add new disks, the cluster > > starts throwing > > 'doenrev disk firmware' error messages. NetApps suggests doing a > > disk_fw_update on the disk and strictly says "NO need to Halt > > a filer'. > > Reality is totally different. The command specifically asks > > you wether the > > cluster partner is on Halt-OK prompt or not? > > > > The workaround I am doing, intitiate a takeover and do the > > disk_fw_update. > > However, this still needs to do a takeover/giveback and 2 minutes of > > downtime...Adding/replacing bad disks is a regular activity... > > > > Any suggestions..? > > >

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RE: disk_fw_update issue with 840-5.3.7R2
by Witham, John 08 Jan '01

08 Jan '01

I may be wrong, but here's the scenario I envision when you're talking about this: a) Disk Fails b) RMA c) New disk arrives, with old firmware. d) Disk added as HotSpare - DOWNREV DISKS PRESENT! error abounds. At this point, the new drive is a hotspare. If it's the only downrev disk, you could safely do a disk_fw_update, and it would take just the hotspare offline and upgrade it. I would be on the safe side and specify the disk to upgrade, but all in all, the Filer is still alive and serving data. The key phrase below is "It involves spinning down and then spinning up all AFFECTED disks". -john John Witham MCSE, MCP+i, A+ Senior Systems Engineer Takeda Pharmaceuticals America, Inc. V://847.383.3304 F://847.383.3205 mailto://jwitham@takedapharm.com -----Original Message----- From: Tom "Mad Dog" Yergeau [mailto:MadDog@fool.com] Sent: Monday, January 08, 2001 10:39 AM To: 'Krause, Oliver'; 'toasters(a)mathworks.com' Subject: RE: disk_fw_update issue with 840-5.3.7R2 Just upgrading one disk still takes downtime for the whole system. The filer may be up, but if I can't access my data, effectively, it's down. "Downloading disk firmware can be disruptive to the system. It involves spinning down and then spinning up all affected disks, and suspending all disk I/O to all disks while that is happening. This may take up to 2 minutes to complete. This delay may cause clients to hang, and may cause CIFS clients to drop sessions." It should be noted that this notice can be misleading. It actually takes up to two minutes PER TYPE OF DISK to complete a disk_fw_update. So if you have two models of 18 GB drives and two models of 36 GB drives, if can take up to eight minutes to flash the firmware. Been there, done that. Was a little surprised the first time. :) Since replacement disks often ship with firmware different than the level currently being used on a filer, it would be nice if (a) NetApp checked autosupport logs and pre-flashed the firmware for you before sending you the disk (b) You could flash a single disk w/o disrupting all I/O for the entire filer. Especially if the disk is marked as a spare and therefore not part of any volume. If NetApp wanted to get *really* ambitious (I dunno, for ONTAP 6.5 or something), this would be wild: flash firmware on a volume one disk at a time, and keep the volume online. While each disk is being flashed, use the parity disk to serve data, and keep track of writes somewhere to get the flashed disk back up to synch when the flash is done. It's too bad NetApp doesn't offer mirroring, since if you had mirrored sets this would be a real piece of cake. Just flash half a mirror while the other half served data. Online disk_fw_update would be a big help in five 9s environments. MD -----Original Message----- From: Krause, Oliver [mailto:OKrause@netapp.com] Sent: Saturday, January 06, 2001 5:56 AM To: 'Premanshu Jain'; 'toasters(a)mathworks.com' Subject: RE: disk_fw_update issue with 840-5.3.7R2 You can specify which disk to upgrade. Try disk_fw_update <diskname> This works while the system is running. Oliver > -----Original Message----- > From: Premanshu Jain [mailto:PrJain@shastanets.com] > Sent: Freitag, 5. Januar 2001 23:31 > To: 'toasters(a)mathworks.com' > Subject: disk_fw_update issue with 840-5.3.7R2 > > > I have a 840 cluster. Whenever I add new disks, the cluster > starts throwing > 'doenrev disk firmware' error messages. NetApps suggests doing a > disk_fw_update on the disk and strictly says "NO need to Halt > a filer'. > Reality is totally different. The command specifically asks > you wether the > cluster partner is on Halt-OK prompt or not? > > The workaround I am doing, intitiate a takeover and do the > disk_fw_update. > However, this still needs to do a takeover/giveback and 2 minutes of > downtime...Adding/replacing bad disks is a regular activity... > > Any suggestions..? >

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HSM
by SteveRoche＠datalink.com 08 Jan '01

08 Jan '01

Hello everyone! We are considering implementing an F840 with around 4TB into a mixed UNIX and Win2K environment. My question to this much respected community is can we implement an HSM solution like say Veritas Storage Replicator to extract stale files and put them out to tape with a Netapp? I have been told know but am hoping yes. Thanks in advance Steve Roche sroche(a)datalink.com

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