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RE: filer upgrade
by Hasni.Bekkay＠shell.com 24 Jul '06

24 Jul '06

I know I can check by using wafl scan status. the problem is, we have a critical data on these filers and we would to have an estimate of how long the inode conversion will take to finish, is it 4H, 10h....etc. Thx. Hasni. -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com]On Behalf Of Eyal Traitel Sent: vrijdag 21 juli 2006 19:34 To: Blake Golliher Cc: Bekkay, Hasni H SITI-ITIBHL; toasters(a)mathworks.com Subject: Re: filer upgrade You can try to look at "priv set diag; wafl scan status". Eyal. On 7/21/06, Blake Golliher < thelastman(a)gmail.com> wrote: The number of files will have an effect as well. I'm not sure if anyone outside of NetApp's WAFL team will know the answer. The inode conversion happens in the background after the filer is up, and serving data. Generally it has little to no effect on production workload. YMMV. -Blake On 7/21/06, Hasni.Bekkay(a)shell.com < Hasni.Bekkay(a)shell.com> wrote: > > > > Hi, > > We would like to upgrade 2 of our filers to DataOntap 7.3.0P3 and we would > like to know the time it is going to take for the inode conversion. > > Details: > F840.....6.4.4P8 (diskspace 5.4TB) > FAS960.....6.4.4P8 (diskspace 20.2 TB) > Also some of the volumes are around 90 - 95%. > > I appreciated your input.... > > Regards, > Hasni.Bekkay > > Office Tel: +31 70 303 4046 > Email: Hasni.Bekkay(a)shell.com > Internet: http://www.shell.com > -- Yours, Eyal.

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Dr Claude Leobert JACOMO / 0022 508 569 621.
by leobert jacomo 24 Jul '06

24 Jul '06

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RE: Defragmenation Question on Filer after few GB deletion.
by Glenn Walker 23 Jul '06

23 Jul '06

This is a 'rule of thumb' thing - and depends on the type of application to some degree.. For most workloads, WAFL does exceedingly well with 10% free space (90% used). For Exchange, the workload itself is horrible for fragmentation, so the rule of thumb is about 20% free space (80% used). As for volume\aggregate level, it shouldn't matter - the flexvol is more of a quota than anything else - if you have 10% free in the flexvol, then those same 10% (in KB) would be marked as 'used' in the aggregate but no data would be written to them. Likewise, if the flexvol is full, but there is 10% free space in the aggr, then you should be ok. Glenn -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Hadrian Baron Sent: Friday, July 21, 2006 12:54 PM To: Stephen C. Losen; margesimpson(a)hushmail.com Cc: toasters(a)mathworks.com Subject: RE: Defragmenation Question on Filer after few GB deletion. Whats a decent amount of free space in regards to this? 80%? 85%? 90%? Also are we talking about at the volume level, or aggregate level? Just to clarify :) Hadrian Baron Network Engineer VEGAS.com -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Stephen C. Losen Sent: Friday, July 14, 2006 5:43 AM To: margesimpson(a)hushmail.com Cc: toasters(a)mathworks.com Subject: Re: Defragmenation Question on Filer after few GB deletion. > Hi all: > Could tech gurus respond to this question: > I am planning to clean up some space on the filer - say 10GB. > > Since WAFL FS is intellegent minimizing the defrag issues, what > happens on deletion of the files on my volume? > If I delete 10GB of 50GB, will the FS still be fragmented, or WAFL > does it auto when files are deleted? > Do I will have to run defrag tools explicitly? > > Thank you for your reply. > Marge. > I don't think you will have any performance problems and I don't think that you will need to run any tools to reorganize the disk storage. Freeing disk space does not increase "fragmentation" in WAFL. The way WAFL is designed, if you have a decent amount of free space then WAFL is able to write data efficiently and hence read it back later efficiently. If you have enough free blocks, then WAFL can localize a disk writing episode to a small number of RAID stripes, which is more efficient than scattering writes over many RAID stripes, because WAFL must update the parity for each RAID stripe that is changed. Note that each block in a RAID stripe is on a different disk, so writing a RAID stripe writes to numerous disks in parallel. Where you run into trouble is when you let an aggregate or traditional volume get nearly full. This means that free blocks are scarce and so WAFL must make do with whatever free blocks it can find. The free blocks may be scattered over many RAID stripes, which requires many more parity updates. This can also hurt read performance later when you want to read the data back (even though parity is not an issue when reading). Freeing up disk space should improve your write performance and not hurt your read performance. Steve Losen scl(a)virginia.edu phone: 434-924-0640 University of Virginia ITC Unix Support

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New message
by Juan 23 Jul '06

23 Jul '06

This is a text part of the message. It is shown for the users of old-style e-mail clients

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From: Mr. Graham Hurford (Joint Venture)
by Graham Hurford 23 Jul '06

23 Jul '06

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failure notice
by MAILER-DAEMON＠bouncehost 23 Jul '06

23 Jul '06

Hi. This is the qmail-send program at bouncehost. I'm afraid I wasn't able to deliver your message to the following addresses. This is a permanent error; I've given up. Sorry it didn't work out. <dreamleagueny(a)gmail.com>: 64.233.185.114 failed after I sent the message. Remote host said: 552 5.7.0 Illegal Attachment 38si3462339wrl --- Enclosed are the original headers of the message.

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Delivery Notification: Delivery has failed
by Internet Mail Delivery 23 Jul '06

23 Jul '06

This report relates to a message you sent with the following header fields: Return-path: <toasters(a)mathworks.com> Return-path: <toasters(a)mathworks.com> Received: from ims-ms-daemon.ms2b.sltnet.lk by ms2b.sltnet.lk ("SLTNet Server") id <0J2U00K7R7ZFA2(a)ms2b.sltnet.lk> (original mail from toasters(a)mathworks.com) ; Sun, 23 Jul 2006 09:20:03 +0530 (LKT) Received: from relay5 ([192.168.3.27]) by ms2b.sltnet.lk ("SLTNet Server") with ESMTP id <0J2U00I7I7ZFW0(a)ms2b.sltnet.lk> for daph%sltnet.lk@ims-ms-daemon (ORCPT daph(a)sltnet.lk); Sun, 23 Jul 2006 09:20:03 +0530 (LKT) Received: from laknet.slt.lk (localhost [127.0.0.1]) by relay5.slt.lk ("SLTNet Server") with ESMTP id <0J2U00CUU7JB8C(a)relay5.slt.lk> for daph(a)sltnet.lk (ORCPT daph(a)sltnet.lk); Sun, 23 Jul 2006 09:10:24 +0530 (LKT) Received: from correo.euskaltel.es (ektmail6mta1.euskaltel.es [212.55.8.90]) by laknet.slt.lk (8.13.4/8.13.4) with ESMTP id k6N3mjjh027803 for <daph(a)sltnet.lk>; Sun, 23 Jul 2006 09:18:47 +0530 (LKT) Received: from mathworks.com ([62.99.61.94]) by ektmail6mta1.euskaltel.es (Sun Java System Messaging Server 6.2-3.03 (built Jun 27 2005)) with ESMTP id <0J2U00J247Z5LH00(a)ektmail6mta1.euskaltel.es> for daph(a)sltnet.lk; Sun, 23 Jul 2006 05:50:08 +0200 (MEST) Date: Sun, 23 Jul 2006 05:39:26 +0200 From: toasters(a)mathworks.com Subject: Error To: daph(a)sltnet.lk Message-id: <0J2U00J2F7ZFLH00(a)ektmail6mta1.euskaltel.es> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Mailer: Microsoft Outlook Express 6.00.2600.0000 Content-type: multipart/mixed; boundary="Boundary_(ID_jtXkNaJOjuhAqTlbBORwPA)" X-Priority: 3 X-MSMail-priority: Normal Your message cannot be delivered to the following recipients: Recipient address: daph%sltnet.lk@ims-ms-daemon Original address: daph(a)sltnet.lk Reason: Over quota UmVwb3J0aW5nLU1UQTogZG5zO21zMmIuc2x0bmV0LmxrIChpbXMtbXMtZGFlbW9u KQoKT3JpZ2luYWwtcmVjaXBpZW50OiByZmM4MjI7ZGFwaEBzbHRuZXQubGsKRmlu YWwtcmVjaXBpZW50OiByZmM4MjI7ZGFwaCVzbHRuZXQubGtAaW1zLW1zLWRhZW1v bgpBY3Rpb246IGZhaWxlZApTdGF0dXM6IDUuMi4yIChPdmVyIHF1b3RhKQoK

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delivery failed
by Post Office 22 Jul '06

22 Jul '06

Your message was undeliverable due to the following reason: Your message could not be delivered because the destination computer was unreachable within the allowed queue period. The amount of time a message is queued before it is returned depends on local configura- tion parameters. Most likely there is a network problem that prevented delivery, but it is also possible that the computer is turned off, or does not have a mail system running right now. Your message could not be delivered within 2 days: Host 31.28.138.17 is not responding. The following recipients could not receive this message: <toasters(a)mathworks.com> Please reply to postmaster(a)mathworks.com if you feel this message to be in error.

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Re: FAS3050 and Oracle over NFS - recommendation needed
by Tim McCarthy 22 Jul '06

22 Jul '06

I had a bizarre issue setting up Oracle over NFS. I had to set some off-color nfs options. If I recall, the only way I could get ORACLE to setup and finish setup over NFS was to introduce the "llock" option on *any* NFS related mount points for oracle. I am sure I was missing something, since in the past it was never difficult, but after spend many install/reinstall phases, it was the only thing I could find that worked and Oracle was not helpful at all. After the DB was created, i could go back and remove the llock on some of the mounts, but not the mounts where the actual DB was. This was the same for Solaris 9 & 10. Not sure if I was using or if I even tried to use DIRECT_IO. --tmac Blake Golliher wrote: > Typically what I've seen, a 20 disk raidgroup is all you need, and > just add more raid groups. So two 20 disk raidgroups (I'd use > raid_dp, cause I think it's awesome) should be great. Aggr's vs. > FlexVol's is up to you. FlexVols offers some great features you may > like, so a single 40 disk aggregate over two 20 disk raidgroups sounds > good. > > I'd use more loops. ESH2's offer 6 shelves per loop, and you can hot > add shelves onto existing loops. So you can start off with two > shelves on one loop, and one shelve on another loop. With things like > rapid raid recovery and raid_dp, and the cluster partner head, you > should be in a pretty good shape for most failures. > > How are you going to backup this database? You might need to burn one > of the fcp ports for your library, or use the scsi port for the tape > drive. Or are you using something like DataGuard? > > I like jumbo frames. They'll help with the cpu load on the db servers > mostly, from what I've seen, others may have different experience. We > don't use them internally because of problems we've had in the past. > YMMV. > > Everyone does things differently, let's see how others on the list do this. > > -Blake > > On 7/20/06, Sto Rage(c) <netbacker(a)gmail.com> wrote: >> Fellow Toasters, >> We purchased a new FAS3050c with the intent of using it for Oracle >> over NFS. This will be our first exposure to Oracle over NFS as we >> are migrating from a SAN environment (EMC Symm 8430), so we need to >> ensure we get as good a performance we got from our SAN. The filers >> would also be serving regular CIFS and NFS data. >> >> Here's the configuration, please suggest the best way to lay out the >> aggregates in order to provide optimum performance for Oracle over >> NFS. >> Filer Configuration: >> - FAS3050c with 6 shelves (3 shelves per head). Shelves are with 300GB >> 10K FC drives. No additional add-on cards, just with 4 built-in Gig-E >> and FC ports each. >> - The 3 shelves are all on a single loop now, would this be a problem? >> There are 2 FC ports free for future shelf expansion. Should we start >> off with 2 loops now, 1 loop with 2 shelves and 1 with just 1 shelf? >> - On each head, we have created a VIF using 2 NICs each, exclusive for >> Oracle NFS traffic with Jumbo frames enabled and hooked to a dedicated >> Gigabit switch with no routing outside. One NIC is configured for >> regular CIFS/NFS traffic and will be on our normal LAN. The 4th NIC is >> un-configured at present. >> There will be 4 Solaris 10 boxes running Oracle, 2 production and 2 >> dev, each with 1 NIC dedicated for oracle NFS and jumbo frames >> enabled. We may add a 2nd NIC to the production hosts and trunk it for >> Oracle NFS in the future and at that time add the 3rd NIC on the >> filers to the VIF. Does this network configuration look reasonable. >> The oracle application will have about 100 to 150 users running ERP, >> with about 50 to 60 concurrent users. The database size is not large, >> under 500GB (including dev and production) >> >> Now the question on creating the aggregates. We definitely want to get >> the best performance possible and at the same time don't want to >> sacrifice too much capacity by creating smaller RAID groups. So this >> is what I have in mind: >> >> On each head, create 2 aggregates with 20 disks each, leaving 2 disks >> as spare. The aggregates will have a raid size of 20 disks (instead of >> the default 16), there by maximizing the disks for data (about 4 TB >> usable per aggregate). This means there is just 1 RAID set per >> aggregate. Is this OK? What would be the impact when there is a disk >> failure and rebuilds? >> Is it better to create smaller raid groups with a raidsize of 10 to >> minimize rebuild performance? >> Should we look at creating 1 single aggregate with 40 disks? I know >> more the spindles the better for an aggregate, how big a difference >> will a 40 disk aggregate make over a 20 disk one? When does the >> spindle count max out performace? >> >> Hope this is enough information to start a meaningful discussion. >> Looking forward to all of your valuable inputs. The NetApp white >> papers don't have these kind of detailed configuration inforamtion. >> >> TIA >> -G >> > >

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dgagent@cncbiz.com's Autoreply
by dgagent＠cncbiz.com 21 Jul '06

21 Jul '06

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