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Re: Truncated SSH ouptut on 8.x?
by A Darren Dunham 31 Aug '11

31 Aug '11

On Wed, Jun 08, 2011 at 08:24:54AM +0200, Sander Klein wrote: > Maybe it's related to the ssh client you're using? Pretty sure it's not a network or SSH issue. I just got a nice reproduction, and the data I got really surprised me. (BTW, the filer I'm hitting below is running 8.0.1P2). I have a script that checks "qtree stats" periodically. And to save on SSH setup/teardown costs, it runs a sysstat in the same command. But the script then works through the data and hands back a summary. I don't have a copy of the raw stuff coming back. But I saw some oddities that made it appear that it was not getting all the data. So I ran the following command and was going to put it in a crontab to run mutliple times so I could see if it went off. "qtree stats; sysstat -c 1 5" Well, while testing the script, on the 4th time I ran it I got "short" output. On this filer, that command should return 179 lines. On the last try it only returned 10, but not simply the first 10. Here's a (slightly obfuscated) version of what I got back: -----BEGIN No qtrees are in use in Volume vol0 Volume Tree NFS ops CIFS ops -------- -------- ------- -------- perf [user]perf 1773 0 Volume Tree NFS ops CIFS ops -------- -------- ------- -------- test_vm_volume vm_vol 0 0 CPU NFS CIFS HTTP Net kB/s Disk kB/s Tape kB/s Cache in out read write read write age 77% 28350 0 0 290677 82179 194167 415548 0 0 6s -----END In reality, the "perf" volume has over 100 qtrees. The one shown above is the first line in the list when the command is complete. So it's not simply truncating the total output, it has managed to drop a portion of the output of one command. If it were a network or SSH problem, I wouldn't expect a gap in the middle of a command, nor would I expect it exactly on a nice line boundary. Looks like I can open a ticket now. -- Darren

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Enough of all this nonsense.
by Nick Bernstein 28 Aug '11

28 Aug '11

I've registered "toasters-list.org" tell me who to transfer ownership to and we can just setup dns to point to the existing server. • thank you to whomever is now hosting, I haven't been paying much attention to the discussion because of other things, but it's appreciated. • I'm happy to pay the first year, but if someone @ netapp could make sure that this gets paid for going forward, that would be appreciated. I don't want to transfer someone a domain name that comes with monitory obligation. Lastly, to everyone who's been freaking out and flooding this list; going forward, please just consider solving the problems instead of complaining about them. Kindest regards, Nick

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Apology for teaparty.net comments
by Pazder, Steve B 27 Aug '11

27 Aug '11

All, I recently replied to the list asking to unsubscribe because I saw the teaparty.net. I also added a lot more of my political view and slammed the Tea Party with totally inappropriate comments, especially in this forum. My apologies to all! Surprisingly, I've only received a couple of hate-mails and I appreciate the restraint the Toasters have shown on my lack of judgment. For anyone just joining in, teaparty.net has absolutely no affiliation with the political Tea Party organization and no one should jump the gun and take offense to the teaparty.net that this forum is now hosted on as I did. Again, my apologies to all. Thanks, Steve

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None
by David Minor 27 Aug '11

27 Aug '11

I've tried many ways to unsubscribe to this. And yes I've went to the unsubscribe link. Can you please!!! Take me off this list. Sent from my iPhone

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RE: Sources of unaligned IO other that Vmware? - pw.over_limit persists
by Chris Muellner 27 Aug '11

27 Aug '11

"Will easily queryable stats about misaligned VMDKs on NFS ever be available?" It already is actually. Download the latest version of the ESX Host Utility Kit and use the mbralign utility that's included with it. It can be run from either the VMware hosts themselves or from a Linux/Unix server with mount access. If you take a NetApp snapshot of the datastore then you can run the mbralign scan against the snapshotted -flat.vmdk(s) without having to power off the virtual machines. Also, some VMware align/misalignment statistics are included in the output of nfsstat -d in version 7.3.5.1 or later. I may be slightly off on the OnTap release version... From: toasters-bounces(a)teaparty.net [mailto:toasters-bounces@teaparty.net] On Behalf Of Eugene Vilensky Sent: Friday, August 26, 2011 2:39 PM Cc: toasters(a)teaparty.net Subject: Re: Sources of unaligned IO other that Vmware? - pw.over_limit persists On Fri, Aug 26, 2011 at 11:34 AM, Jeff Mohler <speedtoys.racing(a)gmail.com<mailto:speedtoys.racing@gmail.com>> wrote: "By the way, from ONTAP 8.0.1+, you can directly check alignment with the "lun show -v" command:" --- Gotta be careful here, this only works on the -direct- lun. This will not tell you how healthy any underlying virtual filesystems within the LUN may or may not be, only the high level direct LUN itself. Will easily queryable stats about misaligned VMDKs on NFS ever be available? Without mounting the datastores on Linux and checking with fdisk...

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unsubscribe
by Hunter 27 Aug '11

27 Aug '11

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Misunderstanding Teaparty.Net: Click, read, learn.
by Jeff Mohler 27 Aug '11

27 Aug '11

Steve: Wanna know whats worse than that? Having -no idea- what teaparty.net is, because you haven't even clicked on it. Im not sure who that's more embarrassing to..you, us, the alpha-nerd hoster...Dynergy? Certainly not Netapp. ======================================================= Filer Content: Do YOU know what your CPRead-To-Write ratios are today? If its higher than .5:1...ask why. It's overhead you didnt pay for. :) On Sat, Aug 27, 2011 at 5:14 AM, Pazder, Steve B <Steve.B.Pazder(a)dynegy.com>wrote: > The Tea Party has some small value but I definitely don't want to give > those shrill, hypocritical MFs any traffic on their .net so they can use the > numbers to skew more facts. NetApp, I know you keep an eye on this forum. > Take note, because if you are associated with the "Me" Party (or any > political party!), you will lose customers The tea-baggers are just > especially offensive. > > > ________________________________________ > From: toasters-bounces(a)teaparty.net [toasters-bounces(a)teaparty.net] On > Behalf Of Acord, Steve [SAcord(a)pamida.com] > Sent: Saturday, August 27, 2011 5:51 AM > Cc: <Toasters(a)teaparty.net> > Subject: unsubscribe > > Sent from my smartphone > > ----- Reply message ----- > From: "Klise, Steve" <klises(a)sutterhealth.org> > To: "Jeff Mohler" <speedtoys.racing(a)gmail.com>, "David Minor" < > minord(a)swbell.net> > Cc: "Hunter" <hwylie(a)stpaultel.com>, "<Toasters(a)teaparty.net>" < > Toasters(a)teaparty.net> > Subject: unsubscribe > Date: Sat, Aug 27, 2011 12:57 am > > > > Maybe he went to EMC.. I like this new list.. Lots of traffic and great > info and I appreciate the teaparty.net taking this on as everyone else has > relayed. Keep the party going. > > > Regards > > Steve Klise > > Storage Engineer, NCDA > > __________________________ > > PALO ALTO MEDICAL FOUNDATION > > SUTTER HEALTH INFORMATION SERVICES > > PENINSULA COASTAL REGION > > > > Office: 408-523-3163 · Fax: 408-328-1406 > > e-mail: klises(a)sutterhealth.org<mailto:abouelj@sutterhealth.org> > > > > > > > > WARNING: "All e-mail sent to or from this address will be received or > otherwise recorded by the Palo Alto Medical Foundation e-mail system and is > subject to archival, monitoring or review by, and/or disclosure to, someone > other than the recipient." > > > ________________________________ > From: toasters-bounces(a)teaparty.net [toasters-bounces(a)teaparty.net] On > Behalf Of Jeff Mohler [speedtoys.racing(a)gmail.com] > Sent: Friday, August 26, 2011 9:33 PM > To: David Minor > Cc: Hunter; <Toasters(a)teaparty.net> > Subject: Re: unsubscribe > > David Minor <minord(a)swbell.net<mailto:minord@swbell.net>>, someday after > you graduate high school, a future employer will google ya up, and discover > how much fail you have with following directions. > > Maybe you saw this: http://www.teaparty.net/mailman/listinfo/toasters > > > Click it. > > > And it may be difficult to see, but at the bottom it reads: > To unsubscribe from Toasters, get a password reminder, or change your > subscription options enter your subscription email address: > > Enter your forever glorified (and google'd with full name) Email address > into that box, and you'll be..well, gone. > > > Good luck with 12th grade, girls can be mean, but dont give up. > > > > > > On Fri, Aug 26, 2011 at 8:35 PM, David Minor <minord(a)swbell.net<mailto: > minord(a)swbell.net>> wrote: > Please unsubscribe be from this bullshit as well!! I've been trying to > get off this crap for 3 years now. Fuckin unsubscribe me motha fuckas!!!!! > > Sent from my iPhone > > On Aug 26, 2011, at 8:42 PM, "Hunter" <hwylie(a)stpaultel.com<mailto: > hwylie(a)stpaultel.com>> wrote: > > > _______________________________________________ > Toasters mailing list > Toasters(a)teaparty.net<mailto:Toasters@teaparty.net> > http://www.teaparty.net/mailman/listinfo/toasters > > _______________________________________________ > Toasters mailing list > Toasters(a)teaparty.net<mailto:Toasters@teaparty.net> > http://www.teaparty.net/mailman/listinfo/toasters > > > > > -- > --- > Gustatus Similis Pullus > > _______________________________________________ > Toasters mailing list > Toasters(a)teaparty.net > http://www.teaparty.net/mailman/listinfo/toasters > > _______________________________________________ > Toasters mailing list > Toasters(a)teaparty.net > http://www.teaparty.net/mailman/listinfo/toasters > -- --- Gustatus Similis Pullus

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Recover deleted snapshot
by Carl Howell 26 Aug '11

26 Aug '11

Does anyone know if it's possible to recover a deleted snapshot? Thanks, Carl Howell Systems Engineer University of West Florida

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Sources of unaligned IO other that Vmware? - pw.over_limit persists
by Fletcher Cocquyt 26 Aug '11

26 Aug '11

I originally tried posting this back on April 11 - now that the list is "fixed" I want to try again - thanks: Hi, we¹ve aligned all our Vmware vmdk¹s according to the Netapp best practices while tracking the pw.over_limit counter see: http://www.vmadmin.info/2010/07/quantifying-vmdk-misalignment.html Counters that indicate improper alignment ( ref: ftp://service.boulder.ibm.com/storage/isv/NS3593-0.pdf) ³There are various ways of determining if you do not have proper alignment. Using perfstat counters, under the wafl_susp section, ³wp.partial_writes³, ³pw.over_limit³, and ³pw.async_read,³ are indicators of improper alignment. The ³wp.partial write³ is the block counter of unaligned I/O. If more than a small number of partial writes happen, then IBM® System StorageTM N series with WAFL® (write anywhere file layout) will launch a background read. These are counted in ³pw.async_read³; ³pw.over_limit³ is the block counter of the writes waiting on disk reads.² -- So the pw.over_limit counter is still recording an 5 minute average of 14 with 7-10 peaks in the 50-100 range at certain times of the day. If I look at the clients talking to the Netapp those times its mostly Oracle RAC servers with storage for data and voting disks on NFS. This leads me to the question: What if any are the other possible sources for unaligned IO on Netapp? All references I find are vmware vmdk but are there others like Oracle which may be doing block IO over NFS? Many thanks -- Fletcher Cocquyt Principal Engineer Information Resources and Technology (IRT) Stanford University School of Medicine http://vmadmin.info

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out of order/random delivery
by Kyle Oliver 26 Aug '11

26 Aug '11

Anyone else get messages from this mailing-list out of order? I find that I often see replies to a message and then get the original message hours later. The timestamps on the messages are correct, but they get to my inbox in a strange order? For the record, it happened when the list was hosted at Mathworks as well. I guess it just seems more pronounced here with the recent volume of messages. -Kyle

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