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13531 discussions

RE: Multimode VIF
by Dean, Phil (ITO) 15 Mar '05

15 Mar '05

Drew, Got a little ahead of myself. Yes you would have to create 3 vifs, first 2 combining the two ports on each switch and then the 3rd vif to combine them all. Are you trying for a little load balancing as well? We essentially have just single vifs going to 2 ports on different switches and at most you lost a few pings when one port goes down and it switches to the other port. Regards, Phil Dean IBS/PBS Data Storage Support Institutional and Business Systems Premium Business Services Level 5, 48 Martin Place Sydney, NSW 2000 * 02 9378-5988 Fax: 02 9378-5202 Mob: 0407 478 695 * deanph(a)cba.com.au -----Original Message----- From: drew.odonnell(a)americas.bnpparibas.com [mailto:drew.odonnell@americas.bnpparibas.com] Sent: Tuesday, 15 March 2005 10:42 AM To: toasters(a)mathworks.com Subject: Multimode VIF I just picked up a few netapps and I was looking to create some VIFS I have not done before. Basically I have two of the new dual GB cards one in slot 4 and the other in slot five. I would like some ideas since I have only historically done single mode VIFS (1 port per card) like the following: vif create single trunk1 e4 e5 vif favor e4 ifconfig trunk1 x.x.x.x netmask 255.255.255.0 wins route add default x.x.x.x 1 What I want to do is a multimode using the 2 dual cards, each one going to separate switches (2 connections per card - per switch). Unfortunately from what I understand, the Cisco 6509 does not support Active Active trunk groups across 2 different switches. We can however have an active active trunk created between 2 ports on the same switch. So I would like to have 1 dual card go to one switch (On two different blades), and the send the other two to another switch. I would like 2 of the 4 ports transmitting/receiving under 1 virtual address. Essentially, most of the switch failures I have seen are logical, on the port or blade. In this event the netapp does not failover. My thoughts are if I go on 2 different blades on the same switch, and I have both cards transmitting, and receiving, then if I lose one port or blade, I will have another card. If we lose the whole switch,then we would failover to the secondary VIF. Do I create 2 different VIFS, and then create a 3rd VIF, (Essentially viffing the VIFS) I am sure I am not the first to head down this road, so any helpful advice would be great, I am not finding to much on the NOW site. Thanks Drew This message and any attachments (the "message") is intended solely for the addressees and is confidential. If you receive this message in error, please delete it and immediately notify the sender. Any use not in accord with its purpose, any dissemination or disclosure, either whole or partial, is prohibited except formal approval. The internet can not guarantee the integrity of this message. BNP PARIBAS (and its subsidiaries) shall (will) not therefore be liable for the message if modified. --------------------------------------------- Ce message et toutes les pieces jointes (ci-apres le "message") sont etablis a l'intention exclusive de ses destinataires et sont confidentiels. Si vous recevez ce message par erreur, merci de le detruire et d'en avertir immediatement l'expediteur. Toute utilisation de ce message non conforme a sa destination, toute diffusion ou toute publication, totale ou partielle, est interdite, sauf autorisation expresse. L'internet ne permettant pas d'assurer l'integrite de ce message, BNP PARIBAS (et ses filiales) decline(nt) toute responsabilite au titre de ce message, dans l'hypothese ou il aurait ete modifie. ************** IMPORTANT MESSAGE ************** This e-mail message is intended only for the addressee(s) and contains information which may be confidential. If you are not the intended recipient please advise the sender by return email, do not use or disclose the contents, and delete the message and any attachments from your system. Unless specifically indicated, this email does not constitute formal advice or commitment by the sender or the Commonwealth Bank of Australia (ABN 48 123 123 124) or its subsidiaries. We can be contacted through our web site: commbank.com.au. If you no longer wish to receive commercial electronic messages from us, please reply to this e-mail by typing Unsubscribe in the subject line. ***************************************************************

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Multimode VIF
by drew.odonnell＠americas.bnpparibas.com 14 Mar '05

14 Mar '05

I just picked up a few netapps and I was looking to create some VIFS I have not done before. Basically I have two of the new dual GB cards one in slot 4 and the other in slot five. I would like some ideas since I have only historically done single mode VIFS (1 port per card) like the following: vif create single trunk1 e4 e5 vif favor e4 ifconfig trunk1 x.x.x.x netmask 255.255.255.0 wins route add default x.x.x.x 1 What I want to do is a multimode using the 2 dual cards, each one going to separate switches (2 connections per card - per switch). Unfortunately from what I understand, the Cisco 6509 does not support Active Active trunk groups across 2 different switches. We can however have an active active trunk created between 2 ports on the same switch. So I would like to have 1 dual card go to one switch (On two different blades), and the send the other two to another switch. I would like 2 of the 4 ports transmitting/receiving under 1 virtual address. Essentially, most of the switch failures I have seen are logical, on the port or blade. In this event the netapp does not failover. My thoughts are if I go on 2 different blades on the same switch, and I have both cards transmitting, and receiving, then if I lose one port or blade, I will have another card. If we lose the whole switch,then we would failover to the secondary VIF. Do I create 2 different VIFS, and then create a 3rd VIF, (Essentially viffing the VIFS) I am sure I am not the first to head down this road, so any helpful advice would be great, I am not finding to much on the NOW site. Thanks Drew This message and any attachments (the "message") is intended solely for the addressees and is confidential. If you receive this message in error, please delete it and immediately notify the sender. Any use not in accord with its purpose, any dissemination or disclosure, either whole or partial, is prohibited except formal approval. The internet can not guarantee the integrity of this message. BNP PARIBAS (and its subsidiaries) shall (will) not therefore be liable for the message if modified. --------------------------------------------- Ce message et toutes les pieces jointes (ci-apres le "message") sont etablis a l'intention exclusive de ses destinataires et sont confidentiels. Si vous recevez ce message par erreur, merci de le detruire et d'en avertir immediatement l'expediteur. Toute utilisation de ce message non conforme a sa destination, toute diffusion ou toute publication, totale ou partielle, est interdite, sauf autorisation expresse. L'internet ne permettant pas d'assurer l'integrite de ce message, BNP PARIBAS (et ses filiales) decline(nt) toute responsabilite au titre de ce message, dans l'hypothese ou il aurait ete modifie.

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unix quota and df
by Charles Bartels 14 Mar '05

14 Mar '05

Hi, I have a filer running ONTAP 7.0 connecting to a Solaris box with automounted home directories, and I'm getting different results depending on whether I have a quota in a qtree vs. a volume. If anyone can shed some light on this "problem" I would appreciate it. Thanks. -C. In the examples below, there is 35GB qtree ("home") under vol0 and a 35GB flexible volume ("home"). Both have default user quotas of 5GB. If a user's home directory is in a qtree and they do "df" on the unix box, their "partition" shows up sized to their quota. This is good; although this is *not* the way things worked pre-ONTAP 7.0 Ex. User1@unixbox> df -kh . Filesystem Size Used Available Use% Mounted on filer:/vol/vol0/home/user1 5.0G 2.0G 3.0G 40% /home/user1 If a user's home directory is in a volume, their "partition" shows up sized to the size of the volume. They need to run "quota -v" on the client to get their quota. Ex. User2@unixbox> df -kh . Filesystem Size Used Available Use% Mounted on filer:/vol/home/user2 32G 11G 21G 35% /home/user2 User2@unixbox> quota -v Disk quotas for user2 (uid 1001): Filesystem usage quota limit timeleft files quota limit timeleft /home/user2 1914808 5242880 5242880 2172 -1 -1

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Cisco CCNA
by Network Academy 13 Mar '05

13 Mar '05

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NFS analysis tools
by Derek Lai 10 Mar '05

10 Mar '05

Has anyone played with good NFS analysis tools? I googled about NFS tracing and saw a couple of interesting research papers. One is from Daniel Ellard and Margo Seltzer of Harvard University. The other one from Matt Blaze of Princeton University. Daniel Ellard has the nfsdump and nfsscan tools and Matt Blaze has the rpcspy and nfstrace tools. I just took a quick scan and am sitting down to read the papers. Just wondering if anyone else has looked at these and know which ones are better? Or if you know of other good tools, please share. I'm trying to trouble-shoot occasional NFS server not responding error. The filer does not appear to be very busy and only one of the 2 HP-UX servers is having this issue. Although the particular file system is our database production file system and is only pounded on by the production server. Derek

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The next oil super-st0ck
by Lila Jensen 10 Mar '05

10 Mar '05

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RE: iSCSI for HP-UX
by Derek Lai 08 Mar '05

08 Mar '05

Srinivas, Can you share the reports? I'm particularly curious about the performance compared to NFS. Did you use the HP iSCSI initiator? Is there more than 1 available? Derek -----Original Message----- From: Addanki, Srinivas [mailto:addanki@netapp.com] Sent: Monday, March 07, 2005 5:00 PM To: Derek Lai; toasters(a)mathworks.com Subject: RE: iSCSI for HP-UX Do you mean to say that iSCSI initiator on HP-UX and the target is the filer? Yes, I have worked with that before and did some performance measurements. It was quite good, but unfortunately I don't have any of those reports with me. I haven't had experience with Oracle though. Srinivas -----Original Message----- From: Derek Lai [mailto:Derek.Lai@onyxco.com] Sent: Monday, March 07, 2005 4:40 PM To: toasters(a)mathworks.com Subject: iSCSI for HP-UX Has anyone tried iSCSI with filers on HP-UX? We are running HP-UX 11i and I noticed that HP does have drivers for iSCSI. Just wondering how robust it is. Anyone actually running Oracle with it? Derek

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RE: iSCSI for HP-UX
by Addanki, Srinivas 08 Mar '05

08 Mar '05

Do you mean to say that iSCSI initiator on HP-UX and the target is the filer? Yes, I have worked with that before and did some performance measurements. It was quite good, but unfortunately I don't have any of those reports with me. I haven't had experience with Oracle though. Srinivas -----Original Message----- From: Derek Lai [mailto:Derek.Lai@onyxco.com] Sent: Monday, March 07, 2005 4:40 PM To: toasters(a)mathworks.com Subject: iSCSI for HP-UX Has anyone tried iSCSI with filers on HP-UX? We are running HP-UX 11i and I noticed that HP does have drivers for iSCSI. Just wondering how robust it is. Anyone actually running Oracle with it? Derek

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iSCSI for HP-UX
by Derek Lai 08 Mar '05

08 Mar '05

Has anyone tried iSCSI with filers on HP-UX? We are running HP-UX 11i and I noticed that HP does have drivers for iSCSI. Just wondering how robust it is. Anyone actually running Oracle with it? Derek

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RE: command line for a filerview output (snapshot used)
by Ta, Quy 07 Mar '05

07 Mar '05

"snap delta" Quy Ta Network Appliance 888.463.8277 Technical Support 512-554-2545 mobile -----Original Message----- From: aaron hirsch [mailto:aaronh@uptime.net] Sent: Monday, March 07, 2005 2:52 PM To: toasters(a)mathworks.com Subject: RE: command line for a filerview output (snapshot used) >Using Filerview, one can see the amount of space consumed by each snapshot on any volume, by >going to Volume->Snapshots->Manage screen. >Is there a command line option that will give me the same output? >Volume Name Date Used Total Status >vol1 nightly.3 Mar 02 23:26 405.3 MB 1.133 GB normal >vol1 nightly.2 Mar 03 23:22 735.1 MB 754.5 MB normal >vol1 nightly.1 Mar 04 23:23 13.21 MB 19.47 MB normal >vol1 weekly.0 Mar 05 23:19 3.145 MB 6.262 MB normal >vol1 nightly.0 Mar 06 23:18 1.691 MB 1.691 MB normal Are you looking for the exact same syntax? If not, "snap list" should do the trick for you. If you want it on a per volume basis "snap list <volume name>"

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Re: Quick access to quota information
by JacekN 07 Mar '05

07 Mar '05

Todd Sawler wrote: > Jacek, > > Have you looked at BlueArc? We are a reseller....take a look at the > website. > > www.bluearc.com <http://www.bluearc.com> And how can you solve my probleM/ Best regards, Jacek

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RE: command line for a filerview output (snapshot used)
by aaron hirsch 07 Mar '05

07 Mar '05

>Using Filerview, one can see the amount of space consumed by each snapshot on any volume, by >going to Volume->Snapshots->Manage screen. >Is there a command line option that will give me the same output? >Volume Name Date Used Total Status >vol1 nightly.3 Mar 02 23:26 405.3 MB 1.133 GB normal >vol1 nightly.2 Mar 03 23:22 735.1 MB 754.5 MB normal >vol1 nightly.1 Mar 04 23:23 13.21 MB 19.47 MB normal >vol1 weekly.0 Mar 05 23:19 3.145 MB 6.262 MB normal >vol1 nightly.0 Mar 06 23:18 1.691 MB 1.691 MB normal Are you looking for the exact same syntax? If not, "snap list" should do the trick for you. If you want it on a per volume basis "snap list <volume name>"

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command line for a filerview output (snapshot used)
by Sto Rage© 07 Mar '05

07 Mar '05

Hi, Using Filerview, one can see the amount of space consumed by each snapshot on any volume, by going to Volume->Snapshots->Manage screen. Is there a command line option that will give me the same output? Volume Name Date Used Total Status vol1 nightly.3 Mar 02 23:26 405.3 MB 1.133 GB normal vol1 nightly.2 Mar 03 23:22 735.1 MB 754.5 MB normal vol1 nightly.1 Mar 04 23:23 13.21 MB 19.47 MB normal vol1 weekly.0 Mar 05 23:19 3.145 MB 6.262 MB normal vol1 nightly.0 Mar 06 23:18 1.691 MB 1.691 MB normal TIA -G

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RE: nis.group_update.enable
by Luke Howard 05 Mar '05

05 Mar '05

>Does anyone have experience using LDAP to obtain group information on >filers using the RFC 2307 compliant options in DOT 6.5 and up, >specifically with Novell eDirectory? I had some success configuring it against XAD (which supports a variant of RFC 2307). More information is at: http://www.padl.com/TechNotes/XADONTAPConfigurationNote.html >I'm also curious about how the ldap.usermap.* options work - the >documentation is a bit vague on what the filer expects to see in the >.attribute.*account options and how/when lookups are performed. Anyone >played this or know what the code does? I think this is to handle the case where a single identity has different user names for UNIX and Windows. eg: options ldap.usermap.attribute.unixaccount uid options ldap.usermap.attribute.windowsaccount sAMAccountName Presumably you can avoid the overhead of an extra lookup if user names are the same in your deployment. -- Luke --

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RE: Oracle DSS on filer
by Frank, Jason 04 Mar '05

04 Mar '05

If all that you require is a R/O database, why not use Oracle's Hot Standby feature? I realize that this doesn't much rely on NetApps (although it's handy for the initial copy...), but it does the job quite well. I've got a Hot Standby that has been up and running for 3 years, and 2 major Oracle Upgrades without problems. Jason -----Original Message----- From: George Kahler [mailto:george@YorkU.CA] Sent: Friday, March 04, 2005 3:26 PM To: toasters(a)mathworks.com Subject: Oracle DSS on filer I'm looking for help with Oracle 9i/Oracle DSS on a filer. Some time ago I set up an environment for my DBAs to allow them to have a DSS version of the University Student Information System database (SIS - about 140 GB + duplex logs) based on the NetApp document "Implementing a DataMart/DSS Oracle Databse [TR3041]." The problem that users are complaining about is that it takes about 1/2 hr for the DBAs to create the DSS. This is created nightly at midnight. The DBAs shutdown the database, take a snapshot of the database volume and a snapshot of the log volume. Then they proceed to copy control file info and about 17 GB of logs and some undo table from the R/W database to the DSS database. They're saying that this is necessary because when the DSS comes up it wants to do a rollback and thus it needs the old logs/undo to do this. Question that everyone is asking: Isn't there a way that you can tell the DSS database to ignore the recovery (since it is a R/O database anyway) and just start up without processing the logs and the undo ? Thx, ------------------------------------------------------------------------ ------- George Kahler e-mail: george(a)yorku.ca Sr. Systems Administrator humans: (416) 736-2100 x.22699 Computing and Network Services machines: (416) 736-5830 Ontario, Canada, M3J-1P3

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Oracle DSS on filer
by George Kahler 04 Mar '05

04 Mar '05

I'm looking for help with Oracle 9i/Oracle DSS on a filer. Some time ago I set up an environment for my DBAs to allow them to have a DSS version of the University Student Information System database (SIS - about 140 GB + duplex logs) based on the NetApp document "Implementing a DataMart/DSS Oracle Databse [TR3041]." The problem that users are complaining about is that it takes about 1/2 hr for the DBAs to create the DSS. This is created nightly at midnight. The DBAs shutdown the database, take a snapshot of the database volume and a snapshot of the log volume. Then they proceed to copy control file info and about 17 GB of logs and some undo table from the R/W database to the DSS database. They're saying that this is necessary because when the DSS comes up it wants to do a rollback and thus it needs the old logs/undo to do this. Question that everyone is asking: Isn't there a way that you can tell the DSS database to ignore the recovery (since it is a R/O database anyway) and just start up without processing the logs and the undo ? Thx, ------------------------------------------------------------------------------- George Kahler e-mail: george(a)yorku.ca Sr. Systems Administrator humans: (416) 736-2100 x.22699 Computing and Network Services machines: (416) 736-5830 Ontario, Canada, M3J-1P3

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Anyone using Netapp filers for SAN or email ?
by Steve Losen 04 Mar '05

04 Mar '05

We have used Netapp filers for 8 years and are very pleased. We currently have a F820c pair for NFS and CIFS access to home directories and web content. I am one of the primary filer admins. We are about to purchase some disk storage to replace a lot of locally attached and SAN RAID arrays (Sun T3s and T4s) for some Solaris servers. Naturally I think we should buy Netapp. One project is our administrative Oracle servers. I realize that Netapp and Oracle both recommend using NFS with Netapp, but we currently have a SAN infrastructure and lots of other inertia to overcome. If we buy Netapp for this, the filers will at least start out serving LUNs on our SAN. I am convinced that Netapp is they way to go for NFS, but I have not seen much about Netapp in a SAN environment. We were looking at EMC Symmetrix, but probably cannot afford it, so it will probably be a choice between EMC Clariion and Netapp. Our "production instance" (I'm not familiar with the particulars) is 500G and growing. We also have a data warehouse instance and other misc. databases. The warehouse is copied fresh from production each night and then a 6 hour job crunches on it before it is made available for querying. Obviously a cloned volume would be nice here. Is anyone running Oracle on Solaris over a SAN to a Netapp? How is the performance? How many filers and what models? How much storage? How many disks? We are familiar with all the nifty snapshot features, volume cloning, etc. We just don't want to find out the hard way that the Netapp SAN solution is a poor performer with Oracle. We also have a University email system on Solaris servers running Communigate Pro. We have over 20,000 users and about 1TB of email on disk. We are using mbox format and most email clients use imap. Our email admins looked into maildir format but found that in our environment it took ten times longer for imap to scan inboxes. This is not a surprise since inboxes usually have a lot of short messages, so it is often faster to just read the whole inbox than open a file for each message and read just the headers. And imap regularly needs to scan all the message headers in an inbox. There are many advantages to the maildir format, but we are afraid that it would crush our current system. However, we are thinking that a Netapp filer would do a better job with maildir than a local Veritas filesystem on Solaris. Is anyone out there running a large email system over NFS to a Netapp filer using maildir format? If you are using Communigate Pro, and/or do a lot of imap, that would be even better. How many email accounts and how much mail do you process? How many filers and what models? How much storage? Do you have any performance issues? Currently our email servers do a lot more reads than writes (we read over 5 bytes for each byte we write). We don't know what the actual disk activity is inside the T3s and T4s, we only know how much we read and write from each LUN. We don't know the actual RAID 5 write overhead, and we don't know how many reads are satisfied from cache internal to the T3s and T4s. Our email admins say that the T3s occasionally get swamped, but that the T4s seem to be doing fine, so they could probably replace the T3s with T4s and be OK for a couple years. But they want to expand storage and triple user quotas and perhaps switch to maildir, and they are afraid that T4s can't handle all that. Plus snapshots would make restoring lost email messages so much easier. Thanks for any information you can give me. I'm going to look at Netapp's white papers, too. Steve Losen scl(a)virginia.edu phone: 434-924-0640 University of Virginia ITC Unix Support

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RE: nis.group_update.enable
by Krueger, Jeffrey 04 Mar '05

04 Mar '05

Does anyone have experience using LDAP to obtain group information on filers using the RFC 2307 compliant options in DOT 6.5 and up, specifically with Novell eDirectory? I'm also curious about how the ldap.usermap.* options work - the documentation is a bit vague on what the filer expects to see in the .attribute.*account options and how/when lookups are performed. Anyone played this or know what the code does? - Jeff -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Steve Losen Sent: Thursday, March 03, 2005 3:32 PM To: Bob Borowicz Cc: toasters(a)mathworks.com Subject: Re: nis.group_update.enable > I read where it was recommended (I think for Oracle RAC) to enable the > following option: > > nis.group_update.enable > > The man page says this enables a local cache of the group data. > > Are calls to the NIS (ypbind) slow in DOT? > > I'm running 6.4.4R1 > The problem is that NIS provides group maps keyed by group name and by group number (gid). It does not, however, provide a map that is keyed by user that lists all the groups that the user belongs to. But this group list is what a filer needs whenever a user logs in to CIFS (to map windows credentials to Unix credentials) In order to discover which groups a user belongs to, the filer must use NIS to fetch each group entry and see if the user is listed in it. If you have a very long group map, then every time a user logs in to CIFS the filer must fetch each group entry, with a separate NIS transaction for each one. By caching the group map, the filer can get the user's group list without NIS. Who knows, the cache may even be organized as group lists keyed by user name. This is not a problem peculiar to netapps. All Unix systems that use NIS have to linearly scan the entire group map every time a user logs in, to find the user's groups. If you are not using CIFS then you don't have a problem. NFS does not cause the netapp to scan the group map because each NFS packet contains the user's uid, gid, and group list. The NFS client obtains this information once when the user logs in. I also wouldn't worry about it if your group map is not large. Anecdote alert: A few years back one of our NIS servers started chewing up tons of CPU. I traced it and discovered that it was almost 100% sequential scans of our very large group map (almost 700 groups). It turned out that most of these scans were coming from the same machine, which was a busy web server. We had a CGI program run via suexec (which runs the CGI as a particular user). Suexec sets the group list for the user, which requires a linear scan of the NIS group map. So every time this CGI was hit (constantly) the web server was shooting almost 700 NIS requests at the NIS server. On our netapps and web servers we are now using local /etc/group files updated periodically by cron jobs that copy the NIS map to the local file -- much much better. Steve Losen scl(a)virginia.edu phone: 434-924-0640 University of Virginia ITC Unix Support

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nis.group_update.enable
by Bob Borowicz 04 Mar '05

04 Mar '05

I read where it was recommended (I think for Oracle RAC) to enable the following option: nis.group_update.enable The man page says this enables a local cache of the group data. Are calls to the NIS (ypbind) slow in DOT? I'm running 6.4.4R1 Thanks -Rob

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RE: Destroying failed disks
by Hill, Aaron 04 Mar '05

04 Mar '05

Until you get a permanent solution; Please rate this solution at bottom of page. Solution ID: ntapcs9168 Solution Status: Publish-Public Title: How does NetApp ensure the integrity of data on returned disks? What happens to RMA disks? - NetApp appliances Problem Environment: NearStore appliance R100 NetApp filer FAS900 series F800 series F700 series F600 series F500 series F300 series F200 series Data ONTAP Disk drives Problem Description How does NetApp ensure the integrity of data on returned disks? What happens to RMA disks? Solution: All disk drives returned to Network Appliance are subjected to a three part failure verification process. The last step involves a "zero disk" command which does a "Write Same Zero" at the sector level overwriting all data on the drive with zeros. Drives are completely wiped of any and all data. In rare cases, the drive does not function sufficiently to overwrite the data. As a part of the normal warranty processing, the drive would be shipped back to the supplier with customer data intact, although not readily accessible. Because of the way RAID 4 works, with striping of data across multiple disks, even if the data becomes readable by the supplier on a restored disk, it would be almost impossible to make the data usable. For more information on how RAID 4 works, refer to 5.2. Eliminating the Parity Disk Bottleneck in NetApp Tech Report 3001. Network Appliance has non-disclosure agreements with all its suppliers to further ensure that your data is protected. However, for customers on secure sites, or who require an additional level of security regarding their data, there is a "No-Return" service agreement available under which it would not be necessary to return drives that have failed. For more information regarding this type of service agreement, please contact your NetApp sales representative. Last updated: 08 JAN 2003 -----Original Message----- From: Chris Thompson [mailto:cet1@cus.cam.ac.uk] Sent: Friday, 4 March 2005 5:25 AM To: galjan(a)gmail.com Cc: toasters(a)mathworks.com Subject: Re: Destroying failed disks Paul Galjan <galjan(a)gmail.com> writes; > For those interested, this article shows what Netapp does with returned disks: > http://now.netapp.com/Knowledgebase/solutionarea.asp?id=ntapcs9168 > --paul I would love to read this page, but for some reason whenever I display it, after a second or less it gets replaced by the much more boring http://now.netapp.com/NOW/Error/bad_gateway.pl Anyone know how I can prevent that happening? -- Chris Thompson Email: cet1(a)cam.ac.uk ************** IMPORTANT MESSAGE ************** This e-mail message is intended only for the addressee(s) and contains information which may be confidential. If you are not the intended recipient please advise the sender by return email, do not use or disclose the contents, and delete the message and any attachments from your system. Unless specifically indicated, this email does not constitute formal advice or commitment by the sender or the Commonwealth Bank of Australia (ABN 48 123 123 124) or its subsidiaries. We can be contacted through our web site: commbank.com.au. If you no longer wish to receive commercial electronic messages from us, please reply to this e-mail by typing Unsubscribe in the subject line. ***************************************************************

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RE: nis.group_update.enable
by Jeff Mohler 03 Mar '05

03 Mar '05

Not really slow, but since a filer is meant to consolidate many other servers worth of data, the amount of calls can be obscene in some cases. Either way, it does increase performance. Now..I dont recall, but I -think- that you can place your group/etc files in /etc on a filer, and it will honor them, however you cant do a push from your NIS master to a filer to update them. :( I argued for that years ago, it makes sense to allow it, but it never got anywhere. -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com]On Behalf Of Bob Borowicz Sent: Thursday, March 03, 2005 5:38 PM To: toasters(a)mathworks.com Subject: nis.group_update.enable I read where it was recommended (I think for Oracle RAC) to enable the following option: nis.group_update.enable The man page says this enables a local cache of the group data. Are calls to the NIS (ypbind) slow in DOT? I'm running 6.4.4R1 Thanks -Rob

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RE: Destroying failed disks
by Jeff Mohler 03 Mar '05

03 Mar '05

It's a calculated trade-off. We assume that NetApp does the right thing and crunches the disks once they have done a failure analysis back in their labs. --- If you assume that, and you really care, I would not assume any vendor of drives or storage material does this. I have NO idea what Netapp does, but I would not ASSUME that they physically destroy disks with your data on them. Right now, I assume youre thinking about upping your service contract to be able to keep your own dead disks so that you can destoy them yourself and remove the assumption of the mitigation of risk. But only you can know for sure.

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Automatización de Procesos - Calidad ISO
by Gestion documental - Su empresa sin papel 03 Mar '05

03 Mar '05

www.gitdoc.com <http://www.gitdoc.com> Somos líderes en el desarrollo y personalización de soluciones integrales de gestión documental y automatización de procesos "workflow", adaptadas a procesos específicos de negocio. Nuestra propuesta de valor: GIT-DOC se ha desarrollado como una potente herramienta de gestión documental que permite parametrizar cualquier necesidad a la hora de estructurar documentos, gestionar contenidos o automatizar procesos con ilimitados requerimientos. Consultoría Gestión documental Workflow Gestión de contenidos Soluciones: Registro de entrada-salida Recortes de prensa Pedidos-Albaranes-Facturas Gestión de expedientes Pymes, Clínicas, Abogados Servicios: Digitalización de documentos Grabación de índices Archivo y custodia Ofrecemos distribución Nicolás Mendoza Tel.: 629 80 34 34 - 902 999 073 www.gitdoc.com <http://www.gitdoc.com> gitdoc(a)gitdoc.com <mailto:gitdoc@gitdoc.com> AVISO LEGAL Le recordamos que su cta. de e-mail figura registrada en nuestra base de datos al confirmar su deseo de recibir nuestras ofertas. Dicha información será tratada de forma totalmente confidencial con arreglo a la nueva ley L.S.S.I. y no será vendida ni traspasada a terceros en ningún caso. Si Vd. recibe este e-mail debido algún error o no es su deseo recibir mas e-mail nuestros, puede darse de baja de forma inmediata, simplemente pulsanso sobre B O R R A R <http://ias.cadema-gitdoc.com/webapp/servlet/Sborrar?email=toasters@math works.com>

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RE: converting root volume to flexvol
by Palmer, Jason (EMEA) 02 Mar '05

02 Mar '05

Hi Adam, I successfully moved to a root volume on a flexible volume within an aggregate last week without any problems... I used ndmpcopy from the command line of the filer and followed the steps below - 1. Create the Aggregate (In our case a 3 disk root aggregate called AGGR) 2. Create new flexible root volume within that aggregate (I called this rootnew as we already have a root volume) 3. NDMPCOPY -l 0 -f <filer>:/vol/root/etc <filer>:/vol/newroot/etc 4. aggr options aggr root <-- To set the aggr aggregate to the root aggregate 5. vol options newroot root <-- To set the rootnew volume to the root volume 6. Reboot the filer and verify everything comes back up OK (If not you can boot in maintenance mode to reset the root volume) 7. Check that newroot in aggr is the root volume using vol status 8. If this is the case, rename root volume to rootold and rootnew to root 9. Use vol offline rootold to ofline the old root volume and if 100% happy use the vol destroy Worked fine for us - I only used the NetApp KB as a guideline. I have another 5 machines to convert in the same way - I was lucky, as the first system I did was not storing production data so there were plenty of disks and no pressure of system downtime to consider. I hope this helps, Jason Palmer Storage Architecture MCI EMEA -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com]On Behalf Of Adam McDougall Sent: 02 March 2005 12:37 To: toasters(a)mathworks.com Subject: converting root volume to flexvol I am asking the list because documentation on this process seems to be inconsistant or light in nature on the NOW website. Background: When we setup our Filer, vol0 spanned 24 data disks and contained "etc". The original filer, an F820, booted from this. We've since upgraded to FAS940 and Data ONTAP 7.0 and I want to migrate root to a flexvol. We also have a new disk shelf, so I set it up as aggr0 and already have some production flexvols running from it for data. I created a flexvol named root on aggr0. I want to move the root from vol0 to this new flexvol so I can destroy vol0 (which is larger now and has no remaining production qtrees) and create a second aggregate with the 3 disk shelves that would be freed. Problem: Several articles, such as Solution ID: kb5856 make it sound like you need to copy etc into /aggr0/newvol instead of /vol/newvol. It also demonstrates that the newly created /vol/newvol appears empty after this. Why would you do it that way? Is it an ndmpcopy/rootvol thing that you would want to do this? I have successfully migrated normal data from traditional volumes to flex volumes using various combinations of ndmpcopy, tar, and rsync. Copies that complete successfully work fine. Other articles such as Solution ID: kb5634 make the procedure sound simpler yet more vague: "1. From an Admin host that has access to both traditional vol0 and the new root volume copy the entire /etc directory over to the new volume. " This I can easily handle, but I want to be fairly certain that it will actually boot from the new root vol after doing "vol options root root". I also want to put boot files on the new aggr/root disks so I can boot from that shelf incase I need to replace my compactflash card. Would 'download' do the right thing and place the boot files on the new disk shelf as long as I have set "vol options root root"? Has anyone done something similar, and how large did you make your new root volume? NetApp webpages have widely varying examples varying from 14g to recommendations of 30g or 90g. Our /etc is only 0.25 gigs and I wouldn't expect coredumps to consume more disk space than the filer has memory, and if my filer decides to start coredumping frequently then I will be thinking about the disk space and expanding it, since I can.

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converting root volume to flexvol
by Adam McDougall 02 Mar '05

02 Mar '05

I am asking the list because documentation on this process seems to be inconsistant or light in nature on the NOW website. Background: When we setup our Filer, vol0 spanned 24 data disks and contained "etc". The original filer, an F820, booted from this. We've since upgraded to FAS940 and Data ONTAP 7.0 and I want to migrate root to a flexvol. We also have a new disk shelf, so I set it up as aggr0 and already have some production flexvols running from it for data. I created a flexvol named root on aggr0. I want to move the root from vol0 to this new flexvol so I can destroy vol0 (which is larger now and has no remaining production qtrees) and create a second aggregate with the 3 disk shelves that would be freed. Problem: Several articles, such as Solution ID: kb5856 make it sound like you need to copy etc into /aggr0/newvol instead of /vol/newvol. It also demonstrates that the newly created /vol/newvol appears empty after this. Why would you do it that way? Is it an ndmpcopy/rootvol thing that you would want to do this? I have successfully migrated normal data from traditional volumes to flex volumes using various combinations of ndmpcopy, tar, and rsync. Copies that complete successfully work fine. Other articles such as Solution ID: kb5634 make the procedure sound simpler yet more vague: "1. From an Admin host that has access to both traditional vol0 and the new root volume copy the entire /etc directory over to the new volume. " This I can easily handle, but I want to be fairly certain that it will actually boot from the new root vol after doing "vol options root root". I also want to put boot files on the new aggr/root disks so I can boot from that shelf incase I need to replace my compactflash card. Would 'download' do the right thing and place the boot files on the new disk shelf as long as I have set "vol options root root"? Has anyone done something similar, and how large did you make your new root volume? NetApp webpages have widely varying examples varying from 14g to recommendations of 30g or 90g. Our /etc is only 0.25 gigs and I wouldn't expect coredumps to consume more disk space than the filer has memory, and if my filer decides to start coredumping frequently then I will be thinking about the disk space and expanding it, since I can.

1 0

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