toasters July 2001

toasters@lists.teaparty.net

105 participants
139 discussions

Re: du -s after ndmpcopy - why are the filesizes different?
by mds＠gbnet.net 09 Jul '01

09 Jul '01

Mount the two fs's, cd into the root of your original fs (for arguments sake /mnt/orig) and then run a find over it. Let's say /mnt/new is the new fs: find . -type f -xdev -exec cmp {} /mnt/new/{} \; slip in a -print if you want to be sure it's examining everything along the way. I think you may need gnu find to do this, as not all vendor finds allow you to substitute in multiple instances of {}. I'm sure something reasonable can be worked-up in perl in about 10 lines, in an afternoon too. You could also use two separate finds to assemble two lists of checksums or md5 hashes and then compare them relatively simply with the various text utils unix provides. As for why they're different, I'm fairly sure a number of reasons have been mentioned over the years and are all in the archive or on NOW. And that's even assuming the files are all there and intact... if they've somehow suffered some problem then there's no need to get exotic. 8) hth On Mon 9 Jul, 2001, "Clawson, Simon" <simon_clawson(a)mentorg.com> wrote: > This message is in MIME format. Since your mail reader does not understand > this format, some or all of this message may not be legible. > > ------_=_NextPart_000_01C10870.3EB89C90 > Content-Type: text/plain; > charset="iso-8859-1" > > I ran an NDMP copy on my filer to take some qtrees from one volume to > another. When I ran du -s on each directory the results were different in > most cases. > > The question I have is - > Is NDMP copy the tool for the job, and how do I verify the results once I > have run it? > > Any ideas? > > Simon > > Simon Clawson > HDS Team Systems Administrator > Mentor Graphics Uk > Rivergate > London Road > Newbury > Berkshire > RG14 2QB > <<Clawson, Simon.vcf>> > > ------_=_NextPart_000_01C10870.3EB89C90 > Content-Type: application/octet-stream; > name="Clawson, Simon.vcf" > Content-Disposition: attachment; > filename="Clawson, Simon.vcf" > > BEGIN:VCARD > VERSION:2.1 > N:Clawson;Simon > FN:Clawson, Simon > TEL;WORK;VOICE:8210-1409 > TEL;WORK;VOICE:44-1635-81-1409 > TEL;HOME:8213-1409 > ADR;WORK:;Newbury;;Newbury;;;UK > LABEL;WORK;ENCODING=QUOTED-PRINTABLE:Newbury=0D=0ANewbury=0D=0AUK > EMAIL;PREF;INTERNET:simon_clawson@mentor.com > REV:20001012T123735Z > END:VCARD > > ------_=_NextPart_000_01C10870.3EB89C90-- >-- End of excerpt from "Clawson, Simon" -- -Mark ... an Englishman in London ...

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Deleting data on NetApp.
by Israel, Meital 09 Jul '01

09 Jul '01

Hi All, Does anyone know a utility to format the NetApp disks without being able to unformat it? Thanks, ************************************** Meital

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RE: du -s after ndmpcopy - why are the filesizes different?
by Clawson, Simon 09 Jul '01

09 Jul '01

Yes, I took account of this. The file size is normally on the - rather than the + side tho. Also, I am running du -s below the top level, doing like for like comparisons of all sub directories. Simon > -----Original Message----- > From: Leonard, Roger [mailto:Roger.Leonard@marconi.com] > Sent: Monday July 2001 13:22 > To: 'Clawson, Simon' > Subject: RE: du -s after ndmpcopy - why are the filesizes different? > > > it will put a restoresymboltable file in the target dir which > can be quite > large. > > -----Original Message----- > From: Clawson, Simon [mailto:simon_clawson@mentorg.com] > Sent: Monday, July 09, 2001 8:11 AM > To: 'toasters(a)mathworks.com' > Subject: du -s after ndmpcopy - why are the filesizes different? > > > I ran an NDMP copy on my filer to take some qtrees from one volume to > another. When I ran du -s on each directory the results were > different in > most cases. > > The question I have is - > Is NDMP copy the tool for the job, and how do I verify the > results once I > have run it? > > Any ideas? > > Simon > > Simon Clawson > HDS Team Systems Administrator > Mentor Graphics Uk > Rivergate > London Road > Newbury > Berkshire > RG14 2QB > <<Clawson, Simon.vcf>> >

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du -s after ndmpcopy - why are the filesizes different?
by Clawson, Simon 09 Jul '01

09 Jul '01

I ran an NDMP copy on my filer to take some qtrees from one volume to another. When I ran du -s on each directory the results were different in most cases. The question I have is - Is NDMP copy the tool for the job, and how do I verify the results once I have run it? Any ideas? Simon Simon Clawson HDS Team Systems Administrator Mentor Graphics Uk Rivergate London Road Newbury Berkshire RG14 2QB <<Clawson, Simon.vcf>>

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RE: Looking for drive space utilization reports
by Honeycutt, Michael 09 Jul '01

09 Jul '01

Try this link. http://www.highground.com/ <http://www.highground.com/> FYI, this company is a subsidary of Sun Microsystems. They can arrange a free demo if you are interested. -----Original Message----- From: Jay Newton [mailto:jnewton@chkenergy.com] Sent: Thursday, July 05, 2001 11:28 AM To: 'toasters(a)mathworks.com' Subject: Looking for drive space utilization reports I am trying to find a good tool, preferrably Windows-based, that can help me gather statistics on space utilization. I need this for our F840 Filer we currently use, but I would like to be able to use it to look at space usage elsewhere. I'm needing statistics on how much drive space is used, the type of data using it, and which users are putting it there. Anyone out there have any ideas? Jay Newton Systems Engineer Chesapeake Operating 6112-114 (405)810-2683 (405)879-9578 fax

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how to manage entries in the auditlog
by Hannes Herret 09 Jul '01

09 Jul '01

hi folks, anyone knows the behaviour, that the opened java performance tool from na_admin logs in the auditlog every few seconds. the auditlog grows and grows ..... important information 'vanishes' in the df-loggings. now the question: is it possible to disable the logging for the performance-tool? if not, maybe this useless logging will be disabled in the next ontap-release. cu hannes

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RE: ndmpcopy levels
by McCarthy, Tim 07 Jul '01

07 Jul '01

If you use jndmpcopy, or ndmpcopy which has the "level i" option compiled into it, then you simply specify "level i" instead of your level 0 or 1 or whatever. This "level i" is maintained separately from the the regular dumps and ndmpcopy. --tmac -----Original Message----- From: Lance R Bailey [mailto:baileyla@pmc-sierra.com] Sent: Friday, July 06, 2001 12:14 PM To: Roger.Leonard(a)marconi.com Cc: toasters(a)mathworks.com Subject: Re: ndmpcopy levels standard berk-dump: level 1 will catch all since level 0. you can do this repeatedly. level 2 will catch all since levels 1 or 0. you can do this repeatedly. level 3 will catch all since levels 2, 1 or 0. you can do this repeatedly. you can run a level 1 *AFTER* and catch all since the last level 0. (i'm not sure why you'd do that, but you can :-) you can run a level 2 without running a level 1 between it and the level 0. in fact, you can running a level n dump requires only a level 0 to have been run previously, not level n-1, not level n-2 and so on ndmpcopy level 1 will catch all since level 0. you can do ONE level 1. level 2 will catch all since level 1. you can do ONE level 2. level 3 will catch all since level 2. you can do ONE level 3. you cannot run level 3 after level 1, you must run a level 2 first and then the level 3. if you try to run multiple level 1's you get an error saying that the next level should be level 2. ndmpcopy will abort the ndmp sessions and if you are running 5.3.6 (or 5.3.6R1P2) you might have trouble running further ndmp activities without a reboot. if you try to skip level n, then you get an error saying that the next level should be level n. ndmpcopy will abort the ndmp sessions ... you need to run a level 0, then a 1, then a 2, then a 3 and so on. you get 10 dumps in total. sorry. now, snapmirror will happily do hundreds of incrementals, but not ndmpcopy. the "enhanced" ndmpcopy that you see talked about on the list will do more. -- email: lance_bailey(a)pmc-sierra.com box: Lance R. Bailey, unix Administrator vox: +1 604 415 6646 PMC-Sierra, Inc fax: +1 604 415 6151 105-8555 Baxter Place http://www.lydia.org/~zaphod Burnaby BC, V5A 4V7 Are there any men ladybugs? -- Libby, Grace Under Fire Leonard, Roger wrote: > >i am attempting to use ndmpcopy to migrate data between filers which are >being backed up with Netbackup NDMP and it appears as though they are >confusing each other because it looks like both reference the etc/dumpdates >file on the source filers. can anyone sanity-check me on the various >levels? i assume that a level 9 picks up all changes since the last level >0. so i could do a level 0 and then multiple level 9's until i was ready to >cut over. so in my case i could do a level 0, turn off netback backups and >nfs and cifs and then do a level 9 to cut over all changes. any help is >appreciated > >Roger D. Leonard >

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Re: soft shutdown; power management
by Andrew Siegel 07 Jul '01

07 Jul '01

Chris Lamb wrote: > > Well, short of offering a 'poweroff' PROM command, or a 'halt -poweroff' > option to ONTAP, you might look into managed power strips, so you could > halt the filers from the serial console, then telnet to the power strip > and have it switch off the AC. I've never used 'em, but the prospect is > intriguing... I'm sure a web search would point out some vendors to look > at, unless others on the list have implemented something like this and > have some feedback. Some remote-switchable power strip vendors: http://www.baytechdcd.com http://www.servertech.com http://www.pulizzi.com

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ndmpcopy levels
by Leonard, Roger 06 Jul '01

06 Jul '01

i am attempting to use ndmpcopy to migrate data between filers which are being backed up with Netbackup NDMP and it appears as though they are confusing each other because it looks like both reference the etc/dumpdates file on the source filers. can anyone sanity-check me on the various levels? i assume that a level 9 picks up all changes since the last level 0. so i could do a level 0 and then multiple level 9's until i was ready to cut over. so in my case i could do a level 0, turn off netback backups and nfs and cifs and then do a level 9 to cut over all changes. any help is appreciated Roger D. Leonard

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/etc/oldmaps and NetApp dumps
by Chris Thompson 06 Jul '01

06 Jul '01

Regulars will recall the thread back in March-April about the /etc/oldmaps files and the way that ONTAP 6.x uses them (or is supposed to) to make sure files moved into a tree being dumped get included in incremental dumps even if their ctime/mtime's haven't been updated. And they may even remember that my last contribution (2 April) was > So either I didn't understand after all, or this splendid new facility > has bugs in it ... :-( I pursued this with NetApp, and Stephen Manley did some great work on it, and the problem I was having is now understood. It's burt 45289 if you want to add it to your BugWatch list. It arises if you use "dump" on a path which is a whole volume or qtree, but also use the "l" option so that only part of it is actually being dumped. If it wasn't for the "l" option, nothing could be moved into the area being dumped without it being given a new ctime, and so in that case ignoring the /etc/oldmaps files would be a correct optimisation (and that's what it does), but it becomes a false one with "l" present in the options. Many thanks again to NetApp support for their help in tracking this down. Chris Thompson University of Cambridge Computing Service, Email: cet1(a)ucs.cam.ac.uk New Museums Site, Cambridge CB2 3QG, Phone: +44 1223 334715 United Kingdom.

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toasters July 2001