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13520 discussions

RE: Oracle on CIFS?
by Yarmas, Tom 26 Feb '04

26 Feb '04

Biggest issue with CIFS and database is stateful nature of the CIFS protocol and "robustness" (is that a word?) of the re-director on Windows. What this means is that if the re-director gets overwhelmed (can happen, but you may never see it) the CIFS connection will be lost then re-established, but the Oracle Service will crash. Usually not a big problem, but you do need to manually re-start it. Also, be aware that when using UNC pathnames or drive letter access to CIFS shares with Oracle (the former is the best way to go) the Oracle Services must be set to run as a domain user, not a local machine account. So this complicates the process of creating new databases since the service will be started, but must be stopped and modified to use a different log in - one that has domain access to the Filer shares and has the "Run as a service" priviledge. This usually means that you cannot use the Oracle database assistant to create the databases directly. You can use the database assistant to create the scripts to create the databases, but you must create the service, make the mods to the service, then create the database (using the scripts created by the database assistant). -tom -----Original Message----- From: Dirk Seidel [mailto:dirk@seidel-pb.de] Sent: Wednesday, February 25, 2004 6:42 PM To: toasters(a)mathworks.com Subject: Oracle on CIFS? Hi out there, has any one experiences with running oracle on a Windows Server on CIFS? You don't find many documents about it on the Netapps Site. All the whitepapers concerning Windows and Oracle are about SAN. What are the pros / cons and limitations of running Oracle on a CIFS Share? Thank You! Dirk

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MX records.
by Jerry 26 Feb '04

26 Feb '04

doh. Bug 104202 already exists. I would tend to think it's more than a level 5 "suggestion", but as long as it's logged I suppose. Jerry __________________________________ Do you Yahoo!? Yahoo! Mail SpamGuard - Read only the mail you want. http://antispam.yahoo.com/tools

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RE: Oracle on CIFS?
by Borders, Rich 26 Feb '04

26 Feb '04

Don't get me wrong. ISCSI is great, and I have have outstanding success with it. I will say that ISCSI is a protocol like CIFS so the Application may need a dependency on it should you have spanning tree on your Switch ( ~30 second network negotiation prior to port activation. If you are not needing it, then portfast enable off that option and then the port will be online asap. As for the ISCSI driver, as long as the NIC is online quickly, we rarely see any issues with the Oracle services in the same light as you mention the CIFS. Good luck with it, and you can ask more specifics off list if you like. Richard D Borders _____ From: Stephane Bentebba [mailto:stephane.bentebba@fps.fr] Sent: Thursday, February 26, 2004 4:45 PM Cc: toasters(a)mathworks.com Subject: Re: Oracle on CIFS? I think iSCSI has the specific following advantage : as the lun on the Filer is saw like a local drive, the Oracle service can start to work with earlier in the boot process of the Windows machine Oracle doesn't have to wait for the network and mapped drive to be up to work with these data this way you can move more Oracle data on the Filer (except the registry entry, all Oracle files can be migrated there - binaries, conf, redo log, datafiles etc...). This way, the Desaster Recovery procedure becomes much simplier. I am not sure 100% so tell me if I am wrong. Borders, Rich wrote: Keep in mind the space limitations of LUN's. I am just reminding the list. As performance goes, I would suggest getting a baseline on Cifs and see the difference on ISCSI. It can be drastic at the protocol, but the Filer needs to be ready for the performance internals. It can be a LOT of net traffic when you actually open up the GigE's for top performance. Rich _____ From: Victor Olsen [mailto:victor.olsen@proact.no] Sent: Thursday, February 26, 2004 12:47 PM To: 'Dirk Seidel'; toasters(a)mathworks.com Subject: RE: Oracle on CIFS? We have a customer running 2 x 8.1.7 and 2 x 9.x oracle databases on a F820. In addition they are running 1 x informix, 1 x MSSQL2K and 1 x domino database on the same filer. No problem at all. Oracle supports UNC path for filenames, so you don't even have to map the drive. The customer has never complained about performance. If you don't like UNCpaths, you probable should consider iSCSI. You will get a drive that windows treats like a local drive and performance might be a bit higher. Victor -----Original Message----- From: Dirk Seidel [mailto:dirk@seidel-pb.de] Sent: 26. februar 2004 00:42 To: toasters(a)mathworks.com Subject: Oracle on CIFS? Hi out there, has any one experiences with running oracle on a Windows Server on CIFS? You don't find many documents about it on the Netapps Site. All the whitepapers concerning Windows and Oracle are about SAN. What are the pros / cons and limitations of running Oracle on a CIFS Share? Thank You! Dirk

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RE: Oracle on CIFS?
by Borders, Rich 26 Feb '04

26 Feb '04

Keep in mind the space limitations of LUN's. I am just reminding the list. As performance goes, I would suggest getting a baseline on Cifs and see the difference on ISCSI. It can be drastic at the protocol, but the Filer needs to be ready for the performance internals. It can be a LOT of net traffic when you actually open up the GigE's for top performance. Rich _____ From: Victor Olsen [mailto:victor.olsen@proact.no] Sent: Thursday, February 26, 2004 12:47 PM To: 'Dirk Seidel'; toasters(a)mathworks.com Subject: RE: Oracle on CIFS? We have a customer running 2 x 8.1.7 and 2 x 9.x oracle databases on a F820. In addition they are running 1 x informix, 1 x MSSQL2K and 1 x domino database on the same filer. No problem at all. Oracle supports UNC path for filenames, so you don't even have to map the drive. The customer has never complained about performance. If you don't like UNCpaths, you probable should consider iSCSI. You will get a drive that windows treats like a local drive and performance might be a bit higher. Victor -----Original Message----- From: Dirk Seidel [mailto:dirk@seidel-pb.de] Sent: 26. februar 2004 00:42 To: toasters(a)mathworks.com Subject: Oracle on CIFS? Hi out there, has any one experiences with running oracle on a Windows Server on CIFS? You don't find many documents about it on the Netapps Site. All the whitepapers concerning Windows and Oracle are about SAN. What are the pros / cons and limitations of running Oracle on a CIFS Share? Thank You! Dirk

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RE: Oracle on CIFS?
by Victor Olsen 26 Feb '04

26 Feb '04

We have a customer running 2 x 8.1.7 and 2 x 9.x oracle databases on a F820. In addition they are running 1 x informix, 1 x MSSQL2K and 1 x domino database on the same filer. No problem at all. Oracle supports UNC path for filenames, so you don't even have to map the drive. The customer has never complained about performance. If you don't like UNCpaths, you probable should consider iSCSI. You will get a drive that windows treats like a local drive and performance might be a bit higher. Victor -----Original Message----- From: Dirk Seidel [mailto:dirk@seidel-pb.de] Sent: 26. februar 2004 00:42 To: toasters(a)mathworks.com Subject: Oracle on CIFS? Hi out there, has any one experiences with running oracle on a Windows Server on CIFS? You don't find many documents about it on the Netapps Site. All the whitepapers concerning Windows and Oracle are about SAN. What are the pros / cons and limitations of running Oracle on a CIFS Share? Thank You! Dirk

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RE: moving disks between 720s
by Victor Olsen 26 Feb '04

26 Feb '04

disk zero spares is new in ONTAP 6.5 Victor -----Original Message----- From: Strange, Steve [mailto:Steve.Strange@netapp.com] Sent: 25. februar 2004 20:42 To: Stephane Bentebba Cc: toasters(a)mathworks.com Subject: RE: moving disks between 720s Many recent versions of ONTAP also provide a regular command for this: > disk zero spares Steve -----Original Message----- From: Stephane Bentebba [mailto:stephane.bentebba@fps.fr] Sent: Wednesday, February 25, 2004 6:40 AM Cc: toasters(a)mathworks.com Subject: Re: moving disks between 720s also : priv set diag spares_zero and that's all Jeff Burton wrote: > The below will also zero out all disks that are not part of a volume: > filer> priv set diag > filer*> setflag raid_enable_prezeroing 1 > > after done all disks zero'ed > > filer*> setflag raid_enable_prezeroing 0 > filer*> priv set > > If you add a disk to a filer that is not zero'd it seems to create a > new volume and place that disk in the volume. It's never been a > problem for us, but you do need to destroy that volume to add the disk > to your spares. > > Jeff > >> From: "Glenn Dekhayser" <gdekhayser(a)voyantinc.com> >> To: "Michael Schipp" <mschipp(a)asi.com.au>, "Frank Smith" >> <fsmith(a)hoovers.com>, "toasters" <toasters(a)mathworks.com> >> Subject: RE: moving disks between 720s >> Date: Mon, 23 Feb 2004 18:34:40 -0500 >> >> I believe that there is a command "vol add -n" that will zero out the >> disks without actually adding this to a volume- just saw this in >> training (thanks Jim!). >> >> Glenn Dekhayser >> Voyant Strategies, Inc. >> >> >> >> -----Original Message----- >> From: Michael Schipp [mailto:mschipp@asi.com.au] >> Sent: Mon 2/23/2004 4:51 PM >> To: Frank Smith; toasters >> Cc: >> Subject: RE: moving disks between 720s >> >> >> >> Go though the filer boot menu and initialize the disks so that they >> are blank. >> >> Thank you >> Michael A Schipp >> ASI Solutions >> IT LAN/WAN Administrator >> E-Mail : mschipp(a)asi.com.au >> >> >> -----Original Message----- >> From: owner-toasters(a)mathworks.com >> [mailto:owner-toasters@mathworks.com] On Behalf Of Frank Smith >> Sent: Tuesday, 24 February 2004 7:00 AM >> To: toasters >> Subject: moving disks between 720s >> >> We are planning on retiring one of our F720s and keeping it to use >> the parts as spares. Is there anything we need to do before the >> shutdown so that the individual disks can be pulled and used as >> replacements in other 720s? I'm not trying to move any data, >> just grab individual disks that are part of a an existing volume >> on the retired 720 and use them as hot spares on another 720. >> >> Thanks, >> Frank >> >> -- >> Frank Smith fsmith(a)hoovers.com >> Sr. Systems Administrator Voice: 512-374-4673 >> Hoover's Online Fax: 512-374-4501 >> >> >> >> >> >> > > _________________________________________________________________ > Store more e-mails with MSN Hotmail Extra Storage ? 4 plans to choose > from! http://click.atdmt.com/AVE/go/onm00200362ave/direct/01/ > >

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Federal Provincial Subsidies
by Info 26 Feb '04

26 Feb '04

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Oracle on CIFS?
by Dirk Seidel 25 Feb '04

25 Feb '04

Hi out there, has any one experiences with running oracle on a Windows Server on CIFS? You don't find many documents about it on the Netapps Site. All the whitepapers concerning Windows and Oracle are about SAN. What are the pros / cons and limitations of running Oracle on a CIFS Share? Thank You! Dirk

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NFS Security after upgrading to Ontap 6.5
by "Allendörfer, Carsten" 25 Feb '04

25 Feb '04

Hello, If you plan to upgrade to 6.5 make sure you check your /etc/exports file after rebooting with 6.5 for the first time. I just upgraded an 840 and an 880 and on both machines the exports file has been rewritten giving everyone read-only access. Running 6.4.2: /vol/vol10 -access=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de:dschinny.zdv.uni-mainz.de,root=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de /vol/vol11 -access=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de:dschinny.zdv.uni-mainz.de,root=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de ... Running 6.5P5: /vol/vol10 -ro,rw=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de:dschinny.zdv.uni-mainz.de,root=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de /vol/vol11 -ro,rw=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de:dschinny.zdv.uni-mainz.de,root=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de ... Carsten

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Cluster failover question
by Geoff Hardin 25 Feb '04

25 Feb '04

We've always had cluster failover on our filers for those times when something goes wrong on one filer and the other filer can serve the data. Realistically speaking, that rarely happens because the filers are stable. However, as time passes and the filers grow older, the develop more and more "personality." For example, we have a pair of F760s that are our problem children. As much as we'd like to pawn them off to another group, put them out to pasture, or replace them outright, that does not appear to be happening in the near future. Unfortunately, one of them has now developed a problem with a memory DIMM on the motherboard. In the past, we've had the luxury of being able to shut down the clustered pair of filers, but in our price conscious environment, people are asking what is the point of clustering if we can't do maintenance and keep the data available. So, my question is this: is it possible to work on a filer head while serving the data up from the cluster partner? My concern is that you are upsetting the FC-AL integrity because we'll have to unplug the FC-AL cables from the adapters on the head when we pull the motherboard tray out. Then, since the recommended course of action is to run diagnostics after reseating and/or replacing the DIMMs, could we run a small set of the diagnostics before plugging in the FC-AL cables? Maybe we could / should use the FC-AL reset function from the diagnostics menu to get the loops back to normal? Maybe we've just been too cautious with our data, but I'd like to hear from other toasters if this is possible, advisable, and safe before putting our data at risk. Thanks, Geoff -- Geoff Hardin geoff.hardin(a)dalsemi.com Put on your seatbelt. I wanna try something.

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