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13520 discussions

RE: Legato Backup
by Benn, Paul 20 Mar '99

20 Mar '99

Hi Jay, As long as the AIX version of NetWorker supports NT clients, you should have no problem. I have the procedure (NT to NT) documented at: http://www.netapp.com/technology/level3/3052.html <http://www.netapp.com/technology/level3/3052.html> Legato Section: http://www.netapp.com/technology/level3/3052.html#Sect2.3 <http://www.netapp.com/technology/level3/3052.html#Sect2.3> -----Original Message----- From: Jay Querusio [mailto:jq@opensystems.com] Sent: Friday, March 19, 1999 2:27 PM To: toasters(a)mathworks.com Subject: Legatto Backup Does anyone have any experience using Legatto server on an AIX machine with an NT agent to back up there netapp. If so, could you share how this is working for you and any tricks or techniques needed to make it work Thanks in advance, Jay Querusio

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RE: NetApp/Auspex killer?
by Adams, Christian 20 Mar '99

20 Mar '99

Hey Toasters - How about: 1. Dual redundant design to allow for online servicing and upgrading of all components incurring no down time A. dual redundant Fast/Wide/Differential SCSI channels with software based load balancing B. dual redundant battery for both cache and disks (enough to spin down all disks) C. dual redundant power inputs D. redundant "head"s 2. In box failover design to reduce the price of such ideas as clustered filer heads with 2 minute or less failover 3. Fast packet switching based protocol "head" with 256MB for read cache 4. Pentium/PCI hardware architecture "head" design 5. 16GB shared write cache and 750MByte/second internal bus design in front of JBOD 6. All RAID and disk management handled in the "disk shelf" architecture 6. World wide customer service with 2 hour response time based on soft errors phone'ed home automatically 7. Metadata logging design such that locks are maintained in the event of a failover 8. Metadata logging design such that file system integrity is maintained allowing for fast boot/reboot time of 2 minutes 9. Multi protocol support (NFS, CIFS, FTP, etc.) provided as part of the protocol layer in the "head" 10. Full support of NT and UNIX network based locking 11. Freedom to direct connect hosts via SCSI or FibreChannel to "disk shelf" architecture with dymanic disk management Please excuse the plug, but I couldn't resist. /Christian Adams Systems Engineer South San Francisco, CA EMC Corporation P.S. As Andy Watson and other ex-Auspexians at NetApp may tell you, I am an ex-Auspexian also. > -----Original Message----- > From: Weeks, Thomas [SMTP:Thomas.Weeks@mirage.brooks.af.mil] > Sent: Monday, March 15, 1999 1:48 PM > To: 'askaquestion(a)iname.com'; toasters(a)mathworks.com > Subject: RE: NetApp/Auspex killer? > > I would probably go with a multi-x86 box (low cost) running > Linux (kernel 2.2), SAMBA, hardware RAID, etc. > > I have seen some very good comparative SMB numbers on these boxes. And > now > that > the processor archetecture is scalable with Linux's kernel, the sky's > the limit and the cost is VERY low! > > Tom Weeks > > -----Original Message----- > From: askaquestion(a)iname.com [mailto:askaquestion@iname.com] > Sent: Saturday, March 06, 1999 4:36 PM > To: toasters(a)mathworks.com > Subject: NetApp/Auspex killer? > > > Yes, NetApps are fine boxes but... > > If you started a company to build a NAS box, what > would you build that would be better than what > NetApp, Auspex, etc. has? > > I'm looking for serious responses here - to improve > the market with competition! > > I don't view the kind of very-low $ suggestions on > this list recently as the kind of thing that most > of us are interested in. > > Don't let my anonymous query lead you into thinking > that I'm not 100% serious. If anything it should > illustrate just how serious I am. > > > --------------------------------------------------- > Get free personalized email at http://www.iname.com

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RE: NT backups and snapshots on a F760
by Smith, Gil 19 Mar '99

19 Mar '99

Mark is right that it is best to backup a snapshot (it is not changing) because then you get a consistent backup from a certain point in time. You would potentially miss some files that are changing frequently depending on the backup software your using. But I still think keeping cifs.show_snapshot to the default (off) is best. I would think you would only want to backup a single snapshot (level0) then do incrementals as long as you can. Keep in mind that a decent snapshot schedule can keep you from going to tape in the first place.-Gil -----Original Message----- From: Mark Muhlestein [mailto:mmm@netapp.com] Sent: Friday, March 19, 1999 12:15 PM To: Mike Ball; toasters@mathworks. com Cc: Paul Benn Subject: Re: NT backups and snapshots on a F760 If the snapshot is visible from the explorer (which on newer releases only happens if you set the 'cifs.show_snapshot' option), then yes, you will back up the live filesystem plus all snapshots. The normal procedure is to create a share on a temporary snapshot you create just for the backup. Then when you backup that share you don't get the '~snapshot' in the path. If you want to backup all the snapshots only you can create a share on the ~snapshot directory itself. In that case you will get a copy of all data in all the snapshots, although the paths will start with the snapshot name, so you'll have to be aware of that if you do a restore. Paul Benn has a white paper on all this. Is is on line yet, Paul? Mark Muhlestein -- mmm(a)netapp.com -----Original Message----- From: Mike Ball <mball(a)rtp.opensystems.com> To: toasters@mathworks. com <toasters(a)mathworks.com> Date: Friday, March 19, 1999 8:54 AM Subject: NT backups and snapshots on a F760 >Running NT 4.0 > >Backup programs: Backup Exec, Arcserve IT or NT Backup > >If I am backing up a F760 filer which only has one qtree with NTFS security >and the root volume is setup for NTFS security. If I map the filer C$ from a >NT server and backup the filer from this mapped drive where I can see the >~snapshot directory, will snapshot be backed up by the NT backup programs I >have listed above? If so how much data will the backups contain (-ex- The >active file systems plus the snapshgots)? > > >

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RE: NT backups and snapshots on a F760
by Benn, Paul 19 Mar '99

19 Mar '99

Yes it's now on-line. Here's a link: http://www.netapp.com/technology/level3/3052.html 8><-----snip----snip-----snip----- Paul Benn has a white paper on all this. Is is on line yet, Paul? Mark Muhlestein -- mmm(a)netapp.com -----Original Message----- From: Mike Ball <mball(a)rtp.opensystems.com> To: toasters@mathworks. com <toasters(a)mathworks.com> Date: Friday, March 19, 1999 8:54 AM Subject: NT backups and snapshots on a F760 >Running NT 4.0 > >Backup programs: Backup Exec, Arcserve IT or NT Backup > >If I am backing up a F760 filer which only has one qtree with NTFS security >and the root volume is setup for NTFS security. If I map the filer C$ from a >NT server and backup the filer from this mapped drive where I can see the >~snapshot directory, will snapshot be backed up by the NT backup programs I >have listed above? If so how much data will the backups contain (-ex- The >active file systems plus the snapshgots)? > > >

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RE: NT backups and snapshots on a F760
by Smith, Gil 19 Mar '99

19 Mar '99

Hi Mike, Try this URL, replacing your_filer with the name of a filer running OnTap 5.x on your network, http://your_filer/na_admin/man/na_options.1.html <http://your_filer/na_admin/man/na_options.1.html> I included the relevant section below which I hope answers your question. The answer in my mind being that you should keep this option set to FALSE and then the NT backup programs will not backup multiple copies of your filesystem :) cifs.show_snapshot By default this option is FALSE. The snapshot directory ~snapshot is no longer shown at the root of a share. This is a change in behavior from previous versions. Setting this to TRUE will restore the old behavior. On Windows NT 4 or Windows 95 clients, the user can access snapshots by entering \\filer\share\.snapshot (or ~snapshot or ~snapsht) in the Start->Run menu. Snapshots can also be accessed lower in the share by providing a path to a lower directory. Snapshots can be accessed through DOS on any system by changing to the ~snapsht directory. NOTE: When this option is TRUE it can confuse programs like FastFind that don't know about snapshots. -----Original Message----- From: Mike Ball [mailto:mball@rtp.opensystems.com] Sent: Friday, March 19, 1999 11:52 AM To: toasters@mathworks. com Subject: NT backups and snapshots on a F760 Running NT 4.0 Backup programs: Backup Exec, Arcserve IT or NT Backup If I am backing up a F760 filer which only has one qtree with NTFS security and the root volume is setup for NTFS security. If I map the filer C$ from a NT server and backup the filer from this mapped drive where I can see the ~snapshot directory, will snapshot be backed up by the NT backup programs I have listed above? If so how much data will the backups contain (-ex- The active file systems plus the snapshgots)?

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Re: NT backups and snapshots on a F760
by Mark Muhlestein 19 Mar '99

19 Mar '99

If the snapshot is visible from the explorer (which on newer releases only happens if you set the 'cifs.show_snapshot' option), then yes, you will back up the live filesystem plus all snapshots. The normal procedure is to create a share on a temporary snapshot you create just for the backup. Then when you backup that share you don't get the '~snapshot' in the path. If you want to backup all the snapshots only you can create a share on the ~snapshot directory itself. In that case you will get a copy of all data in all the snapshots, although the paths will start with the snapshot name, so you'll have to be aware of that if you do a restore. Paul Benn has a white paper on all this. Is is on line yet, Paul? Mark Muhlestein -- mmm(a)netapp.com -----Original Message----- From: Mike Ball <mball(a)rtp.opensystems.com> To: toasters@mathworks. com <toasters(a)mathworks.com> Date: Friday, March 19, 1999 8:54 AM Subject: NT backups and snapshots on a F760 >Running NT 4.0 > >Backup programs: Backup Exec, Arcserve IT or NT Backup > >If I am backing up a F760 filer which only has one qtree with NTFS security >and the root volume is setup for NTFS security. If I map the filer C$ from a >NT server and backup the filer from this mapped drive where I can see the >~snapshot directory, will snapshot be backed up by the NT backup programs I >have listed above? If so how much data will the backups contain (-ex- The >active file systems plus the snapshgots)? > > >

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NT backups and snapshots on a F760
by Mike Ball 19 Mar '99

19 Mar '99

Running NT 4.0 Backup programs: Backup Exec, Arcserve IT or NT Backup If I am backing up a F760 filer which only has one qtree with NTFS security and the root volume is setup for NTFS security. If I map the filer C$ from a NT server and backup the filer from this mapped drive where I can see the ~snapshot directory, will snapshot be backed up by the NT backup programs I have listed above? If so how much data will the backups contain (-ex- The active file systems plus the snapshgots)?

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Re: NetCaches and IP representations
by mds＠gbnet.net 19 Mar '99

19 Mar '99

On Thu 18 Mar, 1999, tkaczma(a)gryf.net wrote: > > > On Thu, 18 Mar 1999, James R Grinter wrote: > > > host > > The fully qualified domain name of a network host, or its IP > > address as a set of four decimal digit groups separated by > > ".". > > By this measure hostnames which are not fully qualified are illegal. Thus > http://somebox/ is illegal whereas http://somebox.mathworks.com/ is legal > at least from the host naming perspective. Correct. Now, could someone remind me about the detrimental effects of leaving the trailing '/' off directory URL's and the (il)legality of the use of '~'s in URLs..? > > Tom > >-- End of excerpt from tkaczma(a)gryf.net

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Re: NetCaches and IP representations
by jrg＠acm.org 19 Mar '99

19 Mar '99

On Fri 19 Mar, 1999, tkaczma(a)gryf.net wrote: >By this measure hostnames which are not fully qualified are illegal. Thus The number of problems that can be caused by not using fully qualified names everywhere - I wish it were disallowed! But the intent of the specification is pretty clear with its comment about four groups of decimal digits. (Having finally gone to look at the BSD source, the bit of code that allows this to work is in inet_aton, and it is behaviour that the manual page documents. But most people wouldn't know or expect things like '127.1' to be the same as '127.0.0.1' either...) James.

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RE: Filers and Lotus Notes...
by Allison, Bridget 19 Mar '99

19 Mar '99

Unfortunately I don't have any good info on Notes with NFS but we're about to publish a tech report detailing a config that works fine with NT. I'd be happy to send you a draft version if you need it within the next week or so. We've validated the NT based Notes stuff via NotesBench and the report can be viewed at http://www.netapp.com/technology/level3/notesbench.html or at www.notesbench.org. > -----Original Message----- > From: Paul Taylor [mailto:ptaylor@netaxs.com] > Sent: Monday, March 15, 1999 11:17 AM > To: toasters(a)mathworks.com > Cc: Catalyst PECO support > Subject: Filers and Lotus Notes... > > > > Hi. I would like to know if anyone has had any experience with NetApp > filers and Lotus Notes. Here is our situation: > > We have an F630 that has 2 LN server attached to it (among > other things), > running across Fast Etherchannel. One of the LN servers is on > WinNT and > the other is on AIX. The AIX box is a RS/6000 H50 with a > single CPU, and > 512MB RAM. The NT box is a single CPU netfinity with 512MB > RAM, running at > 400mhz. The Filer has 512MB onboard, running DoT 5.1D12. LN > is v. 4.6.2. > We have 2 networks on each server, a public network that goes to the > internet, and a private network (a 10. ) that goes to the filer. > > The problem we had at first was with LN itself not liking UNC > names. For > this problem I installed PCNFSD, and ran it that way for a > while. Now we > are experiencing corruption at random times. I figure it is > probably the > connectionless nature of NFS. Bah. Anyone have any better ideas? BTW: > client doesn't want to do directory links, it has to run as a > service, and > it has to run as system. > > Next problem: We installed Domino on an RS6K adn it ran > horribly. I moved > it over to local disk, and it ran great. Hmmmmm.... > > Here is the mount info for the rs6k from /etc/filesystems > (commented out > for now since we went to local disk: > > * /lnmobem01: > * dev = "/vol/vol0/lnmobem01" > * vfs = nfs > * nodename = efiler01 > * mount = true > * options > =bg,hard,intr,rsize=4096,wsize=4096,vers=2,proto=udp > account = true > > Anyone have any ideas as to why this would act slow when > opening a DB? it > takes about 1.5 min to open log.nsf, when it should take > about .5 sec. > > Thanks, > > > Paul > > > > >

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