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Yuri's letter
by Yuri Krakov 13 May '05

13 May '05

Dear Sir, I am Yuri Krakov, I represent a top company executive in Russia. I have a very sensitive and private brief from this top executive to ask for your partnership to re-profile funds over 15,000,000.00 euros. I will give the details, but in summary, the funds are coming via a bank in Western Europe, and this is a legitimate transaction. You will be paid 10% for your "management fees", if I am able to reach terms with you. If you are interested, please write back by email prestroika(a)mail15.com and provide me with your confidential telephone number, and email address and I will provide further details. Please keep this close to your chest as much as possible; we cannot afford any political problems. Write me back. I look forward to it. Regards, Yuri Krakov.

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Re: So where is 7.0.1 now?
by Chris Thompson 13 May '05

13 May '05

William Holland wrote: > I took a look at the NOW site this morning and 7.0.1 is there. Well, I just took a look, and if you try to download it you get a polite message | Release Not Available | | Dear Customer, | | Network Appliance apologizes for any inconvenience, but for technical | reasons, Data ONTAP 7.0.1 is no longer available. A replacement release, | Data ONTAP 7.0.1R1, will be made available the week of May 16th. | | For any further questions please contact Network Appliance Global Services | or open a case. (which is certainly less confusing than the state earlier in the week). Earlier I wrote: > So what was the awful bug in 7.0.1 that resulted in it being pulled > at (or after) the last moment? Will we ever be told? :-) Having taken a look at bug 160433 (severity 1), I suspect it's that. -- Chris Thompson Email: cet1(a)cam.ac.uk

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RE: So where is 7.0.1 now?
by Durnbaugh, Dave 13 May '05

13 May '05

look for 7.0.1R1 in the next day or two... -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com]On Behalf Of John Stoffel Sent: Thursday, May 12, 2005 3:04 PM To: toasters(a)mathworks.com Subject: So where is 7.0.1 now? Hmm... looks like OnTap 7.0.1 has been pulled from now.netapp.com, anyone know why? It's still listed as available, but it says it's pulled when you try to actually get it. NetApp seems to be suggesting 7.0.0.1P6 as the version to go with right now. John John Stoffel - Senior Staff Systems Administrator - System LSI Group Toshiba America Electronic Components, Inc. - http://www.toshiba.com/taec john.stoffel(a)taec.toshiba.com - 508-486-1087 This message, including any attachments, contains confidential information intended for a specific individual and purpose and is protected by law. If you are not the intended recipient, please contact sender immediately by reply e-mail and destroy all copies. You are hereby notified that any disclosure, copying, or distribution of this message, or the taking of any action based on it, is strictly prohibited. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The sender accepts no liability for any damage caused by any virus transmitted by this email. E-mail transmission cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission.

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So where is 7.0.1 now?
by John Stoffel 12 May '05

12 May '05

Hmm... looks like OnTap 7.0.1 has been pulled from now.netapp.com, anyone know why? It's still listed as available, but it says it's pulled when you try to actually get it. NetApp seems to be suggesting 7.0.0.1P6 as the version to go with right now. John John Stoffel - Senior Staff Systems Administrator - System LSI Group Toshiba America Electronic Components, Inc. - http://www.toshiba.com/taec john.stoffel(a)taec.toshiba.com - 508-486-1087

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RE: raid dp
by Warkentin, Grant 12 May '05

12 May '05

We been running a FAS960 for about a year. Upgraded to on OnTap 6.5 last fall IIRC. All our volumes are DP (Dual Parity). Don't worry 'bout stability. Using DP results in an increase in fault tolerance. NOTICE - This communication is intended ONLY for the use of the person or entity named above and may contain information that is confidential or legally privileged. If you are not the intended recipient named above or a person responsible for delivering messages or communications to the intended recipient, YOU ARE HEREBY NOTIFIED that any use, distribution, or copying of this communication or any of the information contained in it is strictly prohibited. If you have received this communication in error, please notify us immediately by telephone and then destroy or delete this communication, or return it to us by mail if requested by us. The City of Calgary thanks you for your attention and cooperation. -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Constantin Bogomolnyi Sent: Wednesday, May 11, 2005 7:02 AM To: toasters(a)mathworks.com Subject: raid dp Hello, I have 2 f840 with 72gigsx35x2 , i would like to use the raid dp feature how stable is the ontap 6.5 ? can we use it in prod for only nfs + raid-dp + snapmirror thanks cb

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sek's is cool
by Carmelle Lockwood 12 May '05

12 May '05

beg for sek's ;-D http://www.pertumin.com/aaa/

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RE: Snapmirror and locked files
by Umerov, Mark 12 May '05

12 May '05

As I understand it, when the block level transfer of the blocks that changed between last transfer and the time the new snapshot was taken on source is completed, Netapp makes this just transferred snapshot on the target the active file system and removes previous snapshot from the source - the target at that point is synchronized with the source at the time of the last snapshot. When the snapshot on target volume becomes the active file system, what happens to files that reside on data blocks that changed in case these files happen to be locked by clients? Does the question make sense? If it does not make any sense, let me try to ask it differently... Unlike typical NFS, when CIFS clients read the file, the file is actually locked until read operation completes. In other words, other processes cannot update the file while the file is being read. What happens in case of Netapp if CIFS clients read the file from the snapmirrored volume and the snapmirror transfer completes *while* the file is being read? thanks again, Mark -----Original Message----- From: Eric Kimminau [mailto:ekimminau@rainfinity.com] Sent: Wednesday, May 11, 2005 12:40 PM To: Umerov, Mark Cc: toasters(a)mathworks.com Subject: RE: Snapmirror and locked files Hi! I know that snapmirror is a block level solution, which, to my knowledge, has no real knowledge of the files using those blocks. Therefore I don't believe that it has no knowledge of file related locks. Then again I could be completely wrong. I would be very interested in hearing if you hear anything other that what I have below. From the iSCSI best practices paper: http://www.netapp.com/tech_library/3250.html 3.9. File Systems That Are Not Capable of Snapshots Applications that are implemented on top of file systems that are not capable of Snapshots, such as NTFS, represent the simplest scenario from a backup and recovery perspective. When backing up these applications, applications must be first quiesced, or taken offline, in order to avoid open files or files changing during the backup operation. Then, file system caches must be first committed before the backup operation commences. The application remains quiesced, or offline, until the backup is completed, at which point normal application operation can resume. This can result in a significant period of unavailability for the application. Some applications have a built-in hot backup mode, allowing a backup to occur while the application operates at a reduced efficiency and often, limited capabilities. This type of mode is typical in messaging and database applications such as Microsoft Exchange and OracleR. It will result in higher overall application availability than not using hot backup mode. However, it can potentially still result in a long interval of reduced efficiency and limited performance. One final alternative is to use an open file manager from a backup software vendor. These applications are designed to handle backup operations on files that are still locked by an application. They work well for simple applications, such as home directories and shared documents. However, they should be avoided with complex applications, such as messaging applications or databases. ================================================================= This of course assumes that snapmirror does not use the SecureShare methodology described in this paper which handles multi-protocol opportunistic locks but I don't know if snapmirror interacts in any way: http://66.102.7.104/search?q=cache:QtaPZkw0OCwJ:www.nluug.nl/events/vj99 /papers/pawlowski.ps+snapmirror+locked+files&hl=en&client=firefox-a Data integrity A thorny problem in the multiprotocol file access space is managing shared access to data in the face ofrestrictions imposed by client locking. The technology in Network Appliance filers that accomplishes this is called SecureShare, and is described in [Borr98]. SecureShare enables UNIX and Windows based applications to concurrently access and update sharedfiles, with the integrity and cache coherency of the shared data being protected by system-enforced locking and file-open semantics. The locking semantics between Windows NT and UNIX differsignificantly. Heuristics control simultaneous access to a file by both UNIX and Windows NT. Simultaneous access in a multiprotocol environment might compromise the data integrity of a file(when locked against unwanted modification by other clients) if not properly managed. UNIX clients have rather lax standards of locking compared to the more restrictive lock semantics of Windows NT. SecureShare also implements a multiprotocol extrapolation of the Windows networking performanceoptimization known as "opportunistic locks" (oplocks). Oplocks allow a Windows NT client to aggressively cache data and lock state in the absence of sharing. A Windows NT server will extend anoplock to a Windows NT client when no other client is sharing a file. When another client attempts access to a file on which an oplock is held, a Winndows NT server will "break the oplock" forcing allmodified data and lock state back to the server, and the server will then negotiate file access between clients engaged in data sharing. The SecureShare implementation of oplocks provides Windows-basedapplications the performance benefits of aggressive client-side caching and the assurance that the same "oplock break" protocol occurs in the event a UNIX-based application attempts to access an oplockedfile. ---------1---------2---------3---------4---------5---------6---------7 Eric Kimminau Email: ekimminau(a)rainfinity.com Senior Sales Engineer Office:248.766.9921 Rainfinity Fax: 248.393.8037 www.rainfinity.com ________________________________ From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Umerov, Mark Sent: Wednesday, May 11, 2005 2:58 PM To: toasters(a)mathworks.com Subject: Snapmirror and locked files greetings, Does Netapp allow locking of files on snapmirrored (read-only) volumes? If so, how does Snapmirror behave if there are locked files on the target? Please advise if you can... thanks much in advance, Mark

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RE: adding new DS14mkII shelves
by Francett, Robert D (SAIC) 12 May '05

12 May '05

I think he's wanting to add several FC shelves, starting with address 1, to an already existing FC adapter, hot. Add & configure shelves, or at least the first one, turn on adapter, away you go, filer doesn't hiccup (gulp!). I've also added shelves hot when there's already at least one up, but haven't tried what he has in mind - if I understand 'the plan' properly. -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Skottie Miller Sent: Wednesday, May 11, 2005 3:21 PM To: Michael Schipp Cc: rob-7704(a)austin.rr.com; John Stoffel; toasters(a)mathworks.com Subject: Re: adding new DS14mkII shelves Hot adding ds14 shelves not only works, it's supported and documented by NetApp. I've installed many a shelf live, on 9x0 filers and R200 systems. -skottie -- Scott Miller skottie(a)DreamWorksAnimation.com

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RE: adding new DS14mkII shelves
by Michael Schipp 11 May '05

11 May '05

Hmmm, not long < 5 seconds (approx) - I have done this on live system before (NOT recommended - but works) -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of rob-7704(a)austin.rr.com Sent: Wednesday, 11 May 2005 11:47 PM To: John Stoffel Cc: toasters(a)mathworks.com Subject: Re: adding new DS14mkII shelves John, > > Robert> Sunday morning we'll shut the Oracle DB's down and do the > following: >Why not just shutdown the filer, hook up the last fibre connections >between the new shelves and the filer and reboot? 4 minutes of down >time... Ultimately we can and will do this. There are certain parties here that claim this can be done live... I suppose I'm catering to their wishes. But a reboot after all the drives are seen is probably a good idea if I have the window. > Robert> Does it matter in which order I flip the terminator switch > Robert> and/or run the "storage" command? Should I flip the > Robert> Terminator switch off and *then* issue the "storage" command? > Robert> I'm thinking Terminator switch last.... > > > To me, you don't want to enable the storage until all the hookups are > done and correct. Once you do the enable command, it will go out and > probe that adapter, so it should be physically all setup ahead of > time. > Our SE mentioned in a meeting weeks ago that adding shelves is as simple as cabling them up with Termination "on" and then flipping a switch thus my frame of mind. And in an existing loop that would be true. But these are new loops and the FC controllers have no drives on them and thus the FC controllers came up disabled. I just talked to him and we revised the plan to as you suggest. I'll leave the termination switch "on" and run my fiber cable from FC controllers to the Fiber based ESH's. Then flip the termination switch off on the first shelf and *then* issue the "storage enable adapter x" command last. I'm curious how long it'll take for each FC controller loop to "discover" all the drives. Thanks for your suggestion. -Rob

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Snapmirror and locked files
by Umerov, Mark 11 May '05

11 May '05

greetings, Does Netapp allow locking of files on snapmirrored (read-only) volumes? If so, how does Snapmirror behave if there are locked files on the target? Please advise if you can... thanks much in advance, Mark

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