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Migration Strategies, what are you doing?
by John Stoffel 29 Jan '01

29 Jan '01

Hi guys, I've been mulling over migration strategies, and babysitting a migration from a F520 with four shelves of 9gb disks to an F740 with three shelves of 36Gb disks. It's a pain. ndmpcopy works great for level 0, but has had problems with level 1 copies in my experience. So I'm using rsync 2.4.6 to do the level 1 copies of data to keep things upto date. But it tends to hang, so I have to babysit it all the time. Not good. Now I know I could use snapmirror to make this migration painless, but that would mean that I'd have to dedicate two 36gb disks on my F740 to the root volume, and then make a second volume with the remaining disks, leaving one spare of course. So I'm losing capacity, but I'm starting to think that this is the way to go, if only to keep my sanity. And I have another migration to do from an F330 to an F740 with one shelf of disks. In that case, I *really* don't want to dedicate two 35Gb disks to the root vol, and the rest are in a data volume. So what should I do? ------------------------------------ So what are other people doing when they have to migrate 200-300gb of data from an older netapp to an F740? Are you making a small root volume, and then putting the rest of the disks into a new volume so you can do snap-mirror to cut down the hassles? Are you just doing what I'm doing now, which is ndmpcopy and rsycn? Are you just shutting down and doing a dump/restore or level 0 ndmpcopy and to hell with the downtime? Or is there a secret source of 2gb FC-AL disks that I can put into an FC9 shelf for my root volume? What I'd like to see from NetApp. ------------------------------------- With the growth in size of disks, I think it's time to re-think how the root volume is managed and configured. The NetApps are there to serve data, and should be even more optimized for that role. But I should not have to sacrifice disk space to make data migrations work smoothly because I need to dedicate two of my large data disks to my root volume, which only takes what, 1gb at most? Heh, I just looked at /etc/ on my F740, it's only 58mb of stuff. It would be great if NetApp would start putting in a pair of PCMCIA slots on the front panel to hold the root volume. Each slot would hold a solid-state 120mb (or bigger) disk, which would only do the root volume. No moving parts, it's mirrored, etc. Nice and simple. Heck, they could just keep using the WAFL filesystem on there and take the hit. I'd even go for *three* slots so I can keep a hot spare online. Then we'd have a dedicated data volume using all the big, slow disks for my data storage. Instantly, you'd make migrations of data much faster and easier since we would cut around the snapmirror limitations of using the root volume as the destination. Another silly idea. -------------------- Or how about the ability to snapmirror qtrees to a root volume on another system? That would be great too! And no need to change the hardware setup as I propose above, it would just *work* right out of the box. Summary ---------------- Please Give me feedback on my migration, I'm so darn tempted to just lose two disks in my root volume and stuff the rest into a data volume. To hell with the wasted space, my time is more costly. Thanks, John John Stoffel - Senior Unix Systems Administrator - Lucent Technologies stoffel(a)lucent.com - http://www.lucent.com - 978-952-7548

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RE: Data Migration Question
by Benn, Paul 29 Jan '01

29 Jan '01

Hi Jim, A number of tools exist for migrating NDS to AD or even NT domains but unfortunately the data migration process is a manual one. Using Backup Exec is a good idea because you'll end up with a backup of the data. It does, as you obviously know, take over twice as long to migrate the data. The best way to do this is to migrate the user data over in groups [of users]. Use one or more powerful workstations with dual redirectors installed to move the data. Once moved, set the permissions manually. It does seem tedious but if you break up the migrations into groups and then do it over several weekends, it's not so painful (I've actually lived through it). If you get a couple of admins in working in parallel, this can go pretty fast. Though (in my experience), the bottleneck is usually the NetWare server, you can tweak the filer a bit so that it performs better while the migration is in process. Take a look at these tweaks from my white paper on IIS: http://www.netapp.com/tech_library/3078.html#4.3 Best Regards, Paul Benn Network Appliance -----Original Message----- From: Collins, Jim [mailto:JCollins@sandc.com] Sent: Monday, January 29, 2001 10:09 AM To: toasters(a)mathworks.com Subject: Data Migration Question I am migrating directories & files from a Novell Server to a F740 box. I am currently using Backup Exec to transfer the data. This is fine for Shared information that everyone has full control on. Can anyone suggest what I might use for Novell data that has user permissions that I would want to maintain on the Netapp side ?

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Data Migration Question
by Collins, Jim 29 Jan '01

29 Jan '01

I am migrating directories & files from a Novell Server to a F740 box. I am currently using Backup Exec to transfer the data. This is fine for Shared information that everyone has full control on. Can anyone suggest what I might use for Novell data that has user permissions that I would want to maintain on the Netapp side ?

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toner supplies
by toner12＠hkg.net 29 Jan '01

29 Jan '01

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Virus scanning for NetCache?
by Witham, John 26 Jan '01

26 Jan '01

Looks like NetApp and Trend announced a beta version of iCAP enabled InterScan VirusWall today. Anyone got their hands on it yet? I'd love to drop it in for use with our piddly C-1100, but the software doesn't look to be cheap... $5750 for 250 users? Add in a $10K NT box, and if you want redundancy? Ugh. Money starts flying. <http://www.antivirus.com/corporate/media/2001/pr012501.htm> http://www.antivirus.com/corporate/media/2001/pr012501.htm -john

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FS: F760/NFS/CIFS/SnapRestore/14x36gb disks/GB Ethernet
by ScottUCE＠aol.com 25 Jan '01

25 Jan '01

If you have a need for an F760 with NFS/CIFS/SnapRestore software, you can probably get a good deal on this system. The seller is inviting offers. All software licenses on this system will transfer to the buyer without charge. Scott Fischmann Union Computer Exchange, Inc. 6233 Idylwood Lane Minneapolis, MN 55436 Phone: 952 935 7282 www.unioncomputer.com

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RE: Veritas 8.5 Backup Exec in NT environment
by Muhlestein, Mark 25 Jan '01

25 Jan '01

You need to enable "user shares" in the Tools->options->network tab. It's also often a good idea to create a special backup share on a snapshot. See section 5.1 of http://www.netapp.com/tech_library/3052.html <http://www.netapp.com/tech_library/3052.html> for more on this. Mark -----Original Message----- From: Maglinger, Paul [mailto:PMAGLINGER@scvl.com] Sent: Tuesday, January 23, 2001 8:51 AM To: 'NetApps list server' Subject: Veritas 8.5 Backup Exec in NT environment We have a 740 filer running 5.3.7R2 in a Winnt environment. We are wanting to use Veritas 8.5 Backup Exec to backup our filer. From the Backup Exec console we can see the root volume as an administrative share (C$) and can click on the check box, but the other two volumes that we created are grayed out (D$ and E$). We are able to map to the C$, D$, and E$ from a NT Workstation. Volumes have been exported. Anyone have some experience to share? Have a prosperous and profitable day! _____ Paul Maglinger, A+, CA, CET, MCP PC Specialist Shoe Carnival Inc. (812)867-4674 pmaglinger(a)scvl.com <mailto:pmaglinger@scvl.com> _____

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RE: Backups of both NFS and CIFS Directories
by Benn, Paul 25 Jan '01

25 Jan '01

Karl, Mark explained how this works better than I ever could. I'd just like to point out that the SecureShare tool allows you to view and change the underlying UNIX-style file permissions. It doesn't add any functionality to the filer. Dunno if you've had your hands on SecureShare but here's a what it looks like just in case: http://www.netapp.com/tech_library/images/3014_8.gif Regards, Paul Benn Network Appliance > How can a CIFS-client (without SecureShare) see the UNIX-permissions > on files on a filer?

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RE: Backups of both NFS and CIFS Directories
by Muhlestein, Mark 24 Jan '01

24 Jan '01

The information is passed to the backup program using a technique involving OS/2-style extended attributes. When these are restored, the filer does the "right thing" to restore the correct permissions. This technique also correctly backs up and restores all UNIX filesystem objects, including block/char special device files, symbolic links, hard links, etc. This (patent-pending) feature has been available since ONTAP version 5.1. I'm not sure where, but this should be documented in the system guide somewhere. Mark Muhlestein -- mmm(a)netapp.com -- netapp engineering -----Original Message----- From: Karl Erik Øyøygard [mailto:karl@proact.no] Sent: Wednesday, January 24, 2001 3:46 PM To: 'Benn, Paul'; toasters(a)mathworks.com Subject: RE: Backups of both NFS and CIFS Directories Paul, others, I still don't get it! How can a CIFS-client (without SecureShare) see the UNIX-permissions on files on a filer? And especially, how do files restored by a CIFS-client get UNIX-style permissions? I've tested it, and I can see that it actually works, but I'm not confident that I can recommend this to my customers... Is this dependent on the OS version on the filer or the client backing it up? Is there any technical doc on these 'magical' permissions that aren't seen by the client backing them up, but still restored correctly? Regards, Karl Erik > -----Opprinnelig melding----- > Fra: Benn, Paul [SMTP:paul.benn@netapp.com] > Sendt: 19. januar 2001 00:12 > Til: 'glennc(a)informix.com'; toasters(a)mathworks.com > Emne: RE: Backups of both NFS and CIFS Directories > > Glenn, > > To retain both permission styles you'll need to backup using the local > dump command, an NDMP enabled backup application or backup over CIFS. > Backing up over NFS will not retain NTFS file permissions or DOS > attributes. > > If you back up over CIFS, not only are the UNIX and NT file permissions > retained but we also backup the DOS file attributes and track an archive > bit for files with UNIX-style permissions. If backing up over CIFS is your > plan, have a look at our white paper on this subject: > > <http://www.netapp.com/tech_library/3052.html> > > Regards, > > Paul Benn > Network Appliance >

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RE: Backups of both NFS and CIFS Directories
by Karl Erik Øyøygard 24 Jan '01

24 Jan '01

Paul, others, I still don't get it! How can a CIFS-client (without SecureShare) see the UNIX-permissions on files on a filer? And especially, how do files restored by a CIFS-client get UNIX-style permissions? I've tested it, and I can see that it actually works, but I'm not confident that I can recommend this to my customers... Is this dependent on the OS version on the filer or the client backing it up? Is there any technical doc on these 'magical' permissions that aren't seen by the client backing them up, but still restored correctly? Regards, Karl Erik > -----Opprinnelig melding----- > Fra: Benn, Paul [SMTP:paul.benn@netapp.com] > Sendt: 19. januar 2001 00:12 > Til: 'glennc(a)informix.com'; toasters(a)mathworks.com > Emne: RE: Backups of both NFS and CIFS Directories > > Glenn, > > To retain both permission styles you'll need to backup using the local > dump command, an NDMP enabled backup application or backup over CIFS. > Backing up over NFS will not retain NTFS file permissions or DOS > attributes. > > If you back up over CIFS, not only are the UNIX and NT file permissions > retained but we also backup the DOS file attributes and track an archive > bit for files with UNIX-style permissions. If backing up over CIFS is your > plan, have a look at our white paper on this subject: > > <http://www.netapp.com/tech_library/3052.html> > > Regards, > > Paul Benn > Network Appliance >

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