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13531 discussions

Re: raidsize recommendations
by pad＠emailbox.hdtv.lucent.com 21 Oct '04

21 Oct '04

One of my filers (F740 running DataONTAP 6.3.3P3D1) has one RAID group with 12 data disks, one parity, one spare, currently over 90% full. We had a data disk fail just a couple of days ago. The message file says reconstruction took 1:13:35.71. This is an older system that has had several disk failures, but never on the same day, let alone within an hour and a quarter. :-) ObWarning: Your mileage may vary. owner-toasters(a)mathworks.com wrote: > > I usually setup my filers with raidsize=7 having no more than 7 disks > per volume. However, I would like create a raidsize=13 volume. The > only risk i can glean from NOW is that rebuild time will increase and > thus increase the chances of a second drive failure (during rebuild). > > Has anyone had any real world issues with using volumes of raidsize > 10 > > thanks, > -Tavis > -- Patricia Dunkin Lucent Technologies pdunkin(a)lucent.com 600 Mountain Avenue 3C-306C Phone: 908-582-5843 Murray Hill, NJ 07974-0636 Fax: 908-582-3662 Pager: 888-371-8506 Mailto: 8883718506(a)skytel.com

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Snapmanger for exchange
by SKIP HOFMANN 21 Oct '04

21 Oct '04

Hi all I'm running snap manger for exchange version 1.1.1 and netapp drive same version on a windows 2000 box with exchange 5.5. Can I upgrade snap manger for exchange to version 3.6 and upgrade netapp drive as well? Any known issues with this? The database is on a FAS 250 Skip Hofmann Senior Network Administrator TetraTech Skip.Hofmann(a)ttisg.com <mailto:Skip.Hofmann@ttisg.com> 949 500 5286 cell 949 608 5801 office

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RE: replicating exchagne databse
by SKIP HOFMANN 21 Oct '04

21 Oct '04

We use nuview or another name for it is VFM. I setup a replication policy to replicate the DB and logs from the snapshot dir (most recent) and replicate this to the R200. If single mailbox restore can open up the DB then the DB has got to be good, so if I can replicate the DB and logs back to the FAS 250 point snap manager for exchange to the replicated DB then I'm thinking I should be able to mount the DB and get outlook access to it. Skip -----Original Message----- From: Sto Rage(c) [mailto:netbacker@gmail.com] Sent: Thursday, October 21, 2004 10:31 AM To: SKIP HOFMANN Cc: toasters(a)mathworks.com Subject: Re: replicating exchagne databse How do you plan to replicate to the R200? Using Snapmirror? or some other method. -G On Thu, 21 Oct 2004 09:39:17 -0700, SKIP HOFMANN <skip.hofmann(a)ttisg.com> wrote: > > > > Hi all > > > > We have our exchange DB on a FAS 250. We take 3 snapshots of the logs and DB > everyday. I want to know if I can replicate the most recent snapshot of the > DB and logs to my R200, and if a disaster were to hit could I copy this DB > back to the FAS 250 and mount it? > > > > We use single mailbox recover version 2.11 to restore emails and inboxes. If > point this product to the replicated exchange DB on the R200 It does work > the product does read the DB and I can recover inboxes and emails. So I > guess my question is a snapshot of a DB once moved off of a fAS250 to an > R200 can it be remounted by snap manger for exchange once the DB is copied > back to the FAS? > > > > Thanks > > > > Skip Hofmann > > Senior Network Administrator > > TetraTech > > Skip.Hofmann(a)ttisg.com > > 949 500 5286 cell > > 949 608 5801 office > >

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RE: replicating exchagne databse
by Benn, Paul 21 Oct '04

21 Oct '04

Hi Skip, Are you using SnapManager for Exchange? If so, then there is a new KB article on this topic which may be of interest. KB article 3990 is titled "Using SnapVault to Archive SnapManager for Exchange Backups Sets" and can be found on the NOW site. I think the paper details the solution that you are looking for. http://now.netapp.com/Knowledgebase/solutionarea.asp?id=kb3990 <http://now.netapp.com/Knowledgebase/solutionarea.asp?id=kb3990> Regards, Paul Benn NetApp ________________________________ From: SKIP HOFMANN [mailto:SKIP.HOFMANN@ttisg.com] Sent: Thursday, October 21, 2004 9:39 AM To: toasters(a)mathworks.com Subject: replicating exchagne databse Hi all We have our exchange DB on a FAS 250. We take 3 snapshots of the logs and DB everyday. I want to know if I can replicate the most recent snapshot of the DB and logs to my R200, and if a disaster were to hit could I copy this DB back to the FAS 250 and mount it? We use single mailbox recover version 2.11 to restore emails and inboxes. If point this product to the replicated exchange DB on the R200 It does work the product does read the DB and I can recover inboxes and emails. So I guess my question is a snapshot of a DB once moved off of a fAS250 to an R200 can it be remounted by snap manger for exchange once the DB is copied back to the FAS? Thanks Skip Hofmann Senior Network Administrator TetraTech Skip.Hofmann(a)ttisg.com 949 500 5286 cell 949 608 5801 office

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replicating exchagne databse
by SKIP HOFMANN 21 Oct '04

21 Oct '04

Hi all We have our exchange DB on a FAS 250. We take 3 snapshots of the logs and DB everyday. I want to know if I can replicate the most recent snapshot of the DB and logs to my R200, and if a disaster were to hit could I copy this DB back to the FAS 250 and mount it? We use single mailbox recover version 2.11 to restore emails and inboxes. If point this product to the replicated exchange DB on the R200 It does work the product does read the DB and I can recover inboxes and emails. So I guess my question is a snapshot of a DB once moved off of a fAS250 to an R200 can it be remounted by snap manger for exchange once the DB is copied back to the FAS? Thanks Skip Hofmann Senior Network Administrator TetraTech Skip.Hofmann(a)ttisg.com <mailto:Skip.Hofmann@ttisg.com> 949 500 5286 cell 949 608 5801 office

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Exchange databse on a FAS 250
by exadmin 21 Oct '04

21 Oct '04

Hi all I am trying to make an argumetn for putting our exchange database (50 gigs) on a filer instead of a windows 2000 box with raid 5 array. We are running Exchange 5.5 Other than the snpshot technology what other benefits will we get with using a filer VS a windows box thanks a bunch This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This message contains confidential information and is intended only for the individual named. If you are not the named addressee you should not disseminate, distribute or copy this e-mail.

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RE: Exchange databse on a FAS 250
by Hill, Aaron 19 Oct '04

19 Oct '04

If the sole purpose for purchasing the filer is for this 50gig exchange database, it is probably not easy to make a good business case. However, if the filer is part of a larger storage strategy for your organization, it should be much easier to build a convincing business case. I think that the real benefits of NAS/SAN come from the ability to consolidate individual server storage and centrally manage. Other benefits include reliability, strong product support (at least with NetApp) and a proven track-record etc <insert marketing jargon here> For example; If you already connect Windows CIFS (or any other protocol for that matter) on the FAS250 then you may have already proven that the FAS250 works in your environment and that it provided some consolidation/management benefits. You should be able to show that the system is reliable and the performance has met expectations (otherwise you wouldn't be considering it for an exchange DB). If you have used NetApp support, chances are that you had a good experience. Moving more storage services to the FAS250 over time is what this entry-level device was designed for .... expansion, future-proofing, or whatever you want to call it. This is because it can fairly easily become a disk shelf in a larger F9XX series system if you choose to expand to an enterprise or high-availability (aka clustered/mirrored) storage solution. If you do expand, you should be able to do so without significantly increasing the amount of time spent managing the filer(s). Whereas adding a separate RAID array for every server/service could lead to considerably more time spent setting up and maintaining. On the surface, less moving parts (aka RAID controllers, servers, vendors) results in a simpler environment. Hope this helps seed some ideas for you. Aaron -----Original Message----- From: Derek Lai [mailto:Derek.Lai@onyxco.com] Sent: Tuesday, 19 October 2004 6:22 AM To: 'exadmin'; toasters(a)mathworks.com Subject: RE: Exchange databse on a FAS 250 You can create a iSCSI lun that is 50GB for now. When it fills up, you can grow it on the fly. You can instantaneously restore using SnapShot. You can also snapmirror it elsewhere for Disaster Recovery. If you get the Single Mailbox Restore option you can restore any single message from any mailbox in any snapshot. Derek -----Original Message----- From: exadmin [mailto:exadmin@insuranceskillscenter.com] Sent: Monday, October 18, 2004 10:29 AM To: toasters(a)mathworks.com Subject: Exchange databse on a FAS 250 Hi all I am trying to make an argumetn for putting our exchange database (50 gigs) on a filer instead of a windows 2000 box with raid 5 array. We are running Exchange 5.5 Other than the snpshot technology what other benefits will we get with using a filer VS a windows box thanks a bunch This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This message contains confidential information and is intended only for the individual named. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. ************** 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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request sysconfig -A ouput with 146 GB drives.
by Tavis Gustafson 18 Oct '04

18 Oct '04

I am looking for a sysconfig -A output on a system with X236_SCHT6146F10 drives. I am specifically looking for the Phys (MB/blks) values. thanks. -Tavis em with X236_SCHT6146F10 drives. I am specifically looking for the Phys (MB/blks) values. thanks. -Tavis

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RE: Downrev from 6.5.1R1 to 6.4.5
by Derek Lai 18 Oct '04

18 Oct '04

Can you post any response directly to you that does not copy the alias? I'd be very interested in knowing the answer. Derek -----Original Message----- From: Paul Letta [mailto:letta@jlab.org] Sent: Monday, October 18, 2004 10:12 AM To: toasters(a)mathworks.com Subject: Downrev from 6.5.1R1 to 6.4.5 We have had some serious problems with NDMP restores since we went to 6.5. I have been unable to get either NetApp or my backup software company (Oracle - Reliaty Backup) to take it seriously. They both blame the hardware - even though I show the failure with 3 separate tape drives on 3 separate filers and multiple tape images, that all worked at pre-6.5. So to make the story short - I want to down rev one my filers from 6.5.1R1 to 6.4.5. Once I at 6.4.5, and the restores start to work again - I hope to get some more help out of either of NetApp and/or Oracle. I have not went with DP on any of the raid groups, so that will not be an issue. But I am a bit concerned about how long it will take. The filer is a FAS940, it has about 1.2TB of space and about 34 million files. Can anyone give me a hint to how long the revert will take ? Thanks, Paul -- Paul Letta Thomas Jefferson National Accelerator Facility Computer Center Unix System Administrator EMail: letta(a)jlab.org Phone: (757)269-5106

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RE: Exchange databse on a FAS 250
by Derek Lai 18 Oct '04

18 Oct '04

You can create a iSCSI lun that is 50GB for now. When it fills up, you can grow it on the fly. You can instantaneously restore using SnapShot. You can also snapmirror it elsewhere for Disaster Recovery. If you get the Single Mailbox Restore option you can restore any single message from any mailbox in any snapshot. Derek -----Original Message----- From: exadmin [mailto:exadmin@insuranceskillscenter.com] Sent: Monday, October 18, 2004 10:29 AM To: toasters(a)mathworks.com Subject: Exchange databse on a FAS 250 Hi all I am trying to make an argumetn for putting our exchange database (50 gigs) on a filer instead of a windows 2000 box with raid 5 array. We are running Exchange 5.5 Other than the snpshot technology what other benefits will we get with using a filer VS a windows box thanks a bunch This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This message contains confidential information and is intended only for the individual named. If you are not the named addressee you should not disseminate, distribute or copy this e-mail.

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