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13517 discussions

distributed nfs server testing (any advice?)
by Blake Golliher 21 Mar '06

21 Mar '06

Hi! Anyone here have advice on distributed nfs benchmarking? I have a netapp GX system, and a few other distributed nfs clusters that I'm trying to figure out how to benchmark. I have a fair number of clients, linux and bsd, and I'm just looking for what others do in this situation. My needs range from HPC type stuff, to just a generic nfs workload for web hosting, do OLTP database on 4 nodes (Oracle 10g RAC). I know no synthetic benchmark is better then the real application. My group at my company is charged with evaluating storage before we put bother the application guys with running their apps on it. I've explored iozone, but it seems to only coordinate runs across hosts, I then have to aggregate the data on my own. I'm looking for a more integrated tool. One that I can load the binary on, then start it from a control host, it starts a workload on a list of systems, and they report back to the control host on performance data. Workloads should include lots of small file creates/reads/access/deletes and large file type stuff as well (like iozone). I'm thinking I'll probably have to task a tools team for this, but I was hoping for something from the OSS community. I'd pay for it as well, but source access would be a nice feature (for my organization, not for me -- it's all moon man language to me). Any advice is appreciated, and if you reply you may do so off the list. I'll compile my answers, and reply to the list. I'll also document my findings on my storage administration blog, filerjedi.com. Thanks! -Blake

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RE: Just a spam resource now...
by Sphar, Mike 20 Mar '06

20 Mar '06

This comes up every so often, but the reason given that the list was open to non-subscribers is because if it didn't then netapp employees wouldn't be able to post, as they receive it through a local exploder. A decision way back at the time was made that the pain of getting spam was worth the value of having Netapp employee's contributions. -- Michael W. Sphar - IS&T - Lead Systems Administrator SMBU Engineering Support Services, BMC Software -----Original Message----- From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Ferrett, Simon Sent: Tuesday, March 14, 2006 10:37 AM To: toasters(a)mathworks.com Subject: RE: Just a spam resource now... I'd think that moderating new subscribers until they've made a couple of salient on-topic posts that indicate they're not spam-machines would probably go a long way to addressing the issue. I'm not sure if the list owner, or anyone, has time to do that (or what the rate of new subscribers is) though... Simon.

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RE: Mixed Mode
by Sphar, Mike 20 Mar '06

20 Mar '06

I've never allowed Mixed Mode on my filers, another IT department here does though, and I've dealt with the results. Personally, I think it should be called "Why are these file permissions broken again?" Mode. -- Michael W. Sphar - IS&T - Lead Systems Administrator SMBU Engineering Support Services, BMC Software ________________________________ From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of JONES P.S. Sent: Wednesday, March 15, 2006 9:13 AM To: Tracy Russell; toasters(a)mathworks.com Subject: RE: Mixed Mode I trust this is an individual's surmise and no more. I have not heard of this remote possibility in any shape or form. We rely absolutely on mixed mode presentation to our users; its one of the keystone elements of our single authentication, single filestore architecture. Losing this would be too much to contemplate. Paul Jones, B.Sc, M.Sc, Ph.D. - Head of Systems Services, Information Technology Service, Durham University, South Road, Durham DH1 3LE Email: p.s.jones(a)durham.ac.uk Phone/Fax: 0191 334 2749/2701 ________________________________ From: owner-toasters(a)mathworks.com on behalf of Tracy Russell Sent: Wed 3/15/2006 2:19 PM To: toasters(a)mathworks.com Subject: Mixed Mode Does anyone know the future of the security mode -- "mixed mode"? Several co-workers returned from NetApp training stating that this particular mode is not encouraged and may be dropped in the not too distant future from NetApp support. Has anyone else heard this or can confirm this to any degree? We are about to set up a new Filer and I'm trying to decide what to do with a volume that is currently configured for mixed mode security on an old Filer. If anyone has experiences changes from mixed mode to either all CIFS or NFS, I'd appreciate their inputs as well. Thanks. Tracy

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RE: ServerProtect for NetApps: Alerting Users
by Sphar, Mike 20 Mar '06

20 Mar '06

What version of OnTap are you using? We're running 6.5.5 and there is a vscan option "client_msgbox". I know about this because we had to turn it off due to a problem with false positives that we couldn't get a resolution on from Mcafee. (Basically no matter what we set the timeout to, on large files the scanner would send back a "still scanning..." message, which the filer would interpret as a virus being identified.) -- Michael W. Sphar - IS&T - Lead Systems Administrator SMBU Engineering Support Services, BMC Software ________________________________ From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Sewell, Cathy Sent: Friday, March 10, 2006 11:41 AM To: toasters(a)mathworks.com Subject: ServerProtect for NetApps: Alerting Users We are using TrendMicro's ServerProtect for NetApps to virus scan all files incoming/outgoing from our NetApps Filers. As expected, when a user attempts to store a file containing malware on a Filer, ServerProtect appropriately takes action on the file (attempting to clean it, then, if that fails, quarantining or deleting the file). While ServerProtect does have some limited alerting capabilities and we do have it setup to alert our IS group when a file is quarantined or deleted, ServerProtect is apparently unable to alert the user - the person who was attempting to store the file on the Filer. Vscan on the Filer initiates the scan of the file, handing it off to the ServerProtect server for scanning, apparently without user information. From the user's perspective, they copy or move a file to the Filer and the file completely disappears with no explanation. The Filer's Vscan does give ServerProtect the originating computer's name. However, using something like "net send <computer name>" is not an option for us as the Messaging service is disabled on our user's Windows workstations. Additionally our users work from a variety of OSes, making an e-mail based solution most desirable. If you've faced this situation, we'd like to know what you've successfully setup to alert users. Thank you for your ideas -

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RE: FAS270c disk ownership
by Davin Milun 20 Mar '06

20 Mar '06

I don't have any FAS270's, but would the following work? If the new disks are the same size as the old disks, is to do a "disk replace" and migrate data from one of the old disks on the other "head" to the required disk on this new shelf. And then transfer ownership of that old disk that you "replaced" from, to the "head" that you want to have all the new disks? Davin. At 12:46, on Mar 20, 2006, "Glenn Walker" wrote: > > You have it down correctly - in the expansion shelves, one disk must be > owned by one head, the others can be owned by the other head. More > specifically, it's slot 1 and slot 0 that matter - this is for SES... > > ________________________________ > > From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] > On Behalf Of jeff.mery(a)ni.com > Sent: Monday, March 20, 2006 11:32 AM > To: toasters(a)mathworks.com > Subject: FAS270c disk ownership > > =20 > > > Hi Everyone,=20 > One of our sites has a FAS270c to which they are going to add a shelf > (DS14MkII w/ 5 x 300GB disks). These are the only FAS200-series systems > we have and we've never added hardware to them. We would like to add > all the disks to a single FAS270 node. However, based on what I can see > in the documentation, each system must own at least one of the SES disks > in each shelf.=20 > > This means that one disk must be assigned to node #1 and then the others > can all be assigned to node #2. Do I have it straight? I'd like to > assign them all to node #2 without wasting a 300GB disk on "management > overhead". Is that possible?=20 > > Jeff Mery - MCSE, MCP > National Instruments

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RE: FAS270c disk ownership
by Glenn Walker 20 Mar '06

20 Mar '06

Jeff, You have it down correctly - in the expansion shelves, one disk must be owned by one head, the others can be owned by the other head. More specifically, it's slot 1 and slot 0 that matter - this is for SES... Glenn ________________________________ From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of jeff.mery(a)ni.com Sent: Monday, March 20, 2006 11:32 AM To: toasters(a)mathworks.com Subject: FAS270c disk ownership Hi Everyone, One of our sites has a FAS270c to which they are going to add a shelf (DS14MkII w/ 5 x 300GB disks). These are the only FAS200-series systems we have and we've never added hardware to them. We would like to add all the disks to a single FAS270 node. However, based on what I can see in the documentation, each system must own at least one of the SES disks in each shelf. This means that one disk must be assigned to node #1 and then the others can all be assigned to node #2. Do I have it straight? I'd like to assign them all to node #2 without wasting a 300GB disk on "management overhead". Is that possible? Jeff Mery - MCSE, MCP National Instruments ------------------------------------------------------------------------ - "Allow me to extol the virtues of the Net Fairy, and of all the fantastic dorks that make the nice packets go from here to there. Amen." TB - Penny Arcade ------------------------------------------------------------------------ -

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FAS270c disk ownership
by jeff.mery＠ni.com 20 Mar '06

20 Mar '06

Hi Everyone, One of our sites has a FAS270c to which they are going to add a shelf (DS14MkII w/ 5 x 300GB disks). These are the only FAS200-series systems we have and we've never added hardware to them. We would like to add all the disks to a single FAS270 node. However, based on what I can see in the documentation, each system must own at least one of the SES disks in each shelf. This means that one disk must be assigned to node #1 and then the others can all be assigned to node #2. Do I have it straight? I'd like to assign them all to node #2 without wasting a 300GB disk on "management overhead". Is that possible? Jeff Mery - MCSE, MCP National Instruments ------------------------------------------------------------------------- "Allow me to extol the virtues of the Net Fairy, and of all the fantastic dorks that make the nice packets go from here to there. Amen." TB - Penny Arcade -------------------------------------------------------------------------

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20 Mar '06

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Re: AW: show size of a qtree
by Tim McCarthy 20 Mar '06

20 Mar '06

something I always do. /etc/quotas #path_2_target type size numfiles * tree@/vol/vol0 - - * tree@/vol/vol1 - - etc... This way whenever you run a quota report on the filer or, from my previous post, run quota report via ssh and grep out what you are looking for, you can find it very easily Plus, you are not "restricting" size/number of files, but rather you are "monitoring" it. Also, that second dash is not necessary. --tmac Conzen, Christoph (C.) wrote: > ..a somewhat crude way could be in setting up quotas for the qtree - the command quota report will show the actual usage for the qtree. > > Regards, > Christoph > > -----Ursprüngliche Nachricht----- > Von: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] Im Auftrag von Willeke, Jochen > Gesendet: Montag, 20. März 2006 10:06 > An: toasters(a)mathworks.com > Betreff: show size of a qtree > > > Hi everybody, > > im just wondering if there is any way of showing the size of a qtree. I know that i can mount the qtree and run "du" under linux but i am looking for any ontapp command that does this job for me. > > Thanks in advance > > Jochen > >

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AW: show size of a qtree
by Conzen, Christoph (C.) 20 Mar '06

20 Mar '06

...a somewhat crude way could be in setting up quotas for the qtree - the command quota report will show the actual usage for the qtree. Regards, Christoph -----Ursprüngliche Nachricht----- Von: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] Im Auftrag von Willeke, Jochen Gesendet: Montag, 20. März 2006 10:06 An: toasters(a)mathworks.com Betreff: show size of a qtree Hi everybody, im just wondering if there is any way of showing the size of a qtree. I know that i can mount the qtree and run "du" under linux but i am looking for any ontapp command that does this job for me. Thanks in advance Jochen

1 0

show size of a qtree
by Willeke, Jochen 20 Mar '06

20 Mar '06

Hi everybody, im just wondering if there is any way of showing the size of a qtree. I know that i can mount the qtree and run "du" under linux but i am looking for any ontapp command that does this job for me. Thanks in advance Jochen

1 0

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RE: iSCSI on RHEL 4: Unknown Type
by Ben Rockwood 18 Mar '06

18 Mar '06

I solved the problem... it makes no sense, but its fixed: I changed the initiator name from the default supplied by cisco (iqn.1987-05.com.cisco:01.6eedbebee39f) to my own (iqn.1987-05.com.cisco:webmail1), then re-created the igroups and mappings and it all worked. In the process I found that this "unknown type" is a general sort of way that the initiator says "I see _something_. but the hell if I know what". I tested this by whipping out the LUN mapping and the igroups completely and trying again, and seeing exactly the same thing as noted below. So my big mistake was thinking that I was actually seeing the LUN properly but not getting some peice of the puzzle, in fact that mapping was BS all along. Very strange. benr. -----Original Message----- From: owner-toasters(a)mathworks.com on behalf of Ben Rockwood Sent: Sat 3/18/2006 11:20 AM To: toasters(a)mathworks.com Cc: Subject: iSCSI on RHEL 4: Unknown Type Hello Toasters, I'm getting killed by this problem. I've got a bunch of systems ready to deploy except that iSCSI isn't working (nor has it ever on these boxes). Here's what I see on the RHEL boxes (dmesg): iscsi-sfnet: Loading iscsi_sfnet version 4:0.1.11-2 iscsi-sfnet: Control device major number 254 iscsi-sfnet:host4: Session established scsi4 : SFNet iSCSI driver scsi: unknown device type 31 Vendor: NETAPP Model: LUN Rev: 0.2 Type: Unknown ANSI SCSI revision: 04 The Filer shows the connection of the initiator, the igroups and mapping are correct, but when the type returns as "unknown" I don't get a LUN to actually use, so while I'm connected I can't actually do anything. I'm not using security for iSCSI, I fixed problems relating to RHEL and multiple network cards on the filer, and my iscsi.conf should be fine: Continuous=no HeaderDigest=never DataDigest=never ImmediateData=yes ConnFailTimeout=180 Username=benr Password=fakepass DiscoveryAddress=10.10.2.240 Does anyone have any ideas? I thought the type issue might be related to OS Type when creatnig the LUNs and the Groups, but I've tried both as Linux and Default with the same result. I'm currently using this filer for iSCSI on Solaris and it works wonderfully, so its just RHEL. I've upgraded to RHEL4 U3 and patched and everything, but thats not fixing anything. I desprately could use some insite. I called the problem into NetApp last night and the tech gave up on the call. Thanks. benr.

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iSCSI on RHEL 4: Unknown Type
by Ben Rockwood 18 Mar '06

18 Mar '06

Hello Toasters, I'm getting killed by this problem. I've got a bunch of systems ready to deploy except that iSCSI isn't working (nor has it ever on these boxes). Here's what I see on the RHEL boxes (dmesg): iscsi-sfnet: Loading iscsi_sfnet version 4:0.1.11-2 iscsi-sfnet: Control device major number 254 iscsi-sfnet:host4: Session established scsi4 : SFNet iSCSI driver scsi: unknown device type 31 Vendor: NETAPP Model: LUN Rev: 0.2 Type: Unknown ANSI SCSI revision: 04 The Filer shows the connection of the initiator, the igroups and mapping are correct, but when the type returns as "unknown" I don't get a LUN to actually use, so while I'm connected I can't actually do anything. I'm not using security for iSCSI, I fixed problems relating to RHEL and multiple network cards on the filer, and my iscsi.conf should be fine: Continuous=no HeaderDigest=never DataDigest=never ImmediateData=yes ConnFailTimeout=180 Username=benr Password=fakepass DiscoveryAddress=10.10.2.240 Does anyone have any ideas? I thought the type issue might be related to OS Type when creatnig the LUNs and the Groups, but I've tried both as Linux and Default with the same result. I'm currently using this filer for iSCSI on Solaris and it works wonderfully, so its just RHEL. I've upgraded to RHEL4 U3 and patched and everything, but thats not fixing anything. I desprately could use some insite. I called the problem into NetApp last night and the tech gave up on the call. Thanks. benr.

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