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RE: Unable to delete a snapshot
by Joe Luchtenberg 29 Nov '00

29 Nov '00

If this is a known problem, and the patch to resolve it exists, and it has been thoroughly tested (I assume this is done before customer support would provide the patch to a customer), then why isn't it posted in the s/w downloads or in the "Solution or Fix" (redundant?) item in the Bug Details table for Bug 31340? Why hasn't a Field Alert been posted? I would like to preemptively advise my customers who use NDMP compliant s/w to install this patch -- do they have to initiate a case with customer support to get it? Joe Joe Luchtenberg Dataline, Inc. New number and email, please update: 757.858.0600 858.0606 fax joe.luchtenberg(a)data-line.com > -----Original Message----- > From: Stephen Manley [SMTP:stephen@netapp.com] > Sent: Wednesday, November 29, 2000 12:18 PM > To: BrianH(a)dice.com > Cc: toasters(a)mathworks.com > Subject: Re: Unable to delete a snapshot > > > Hello, > > I have what could be a major problem soon. I have a snapshot that was > > created by an ndmpd session, that cannot be deleted. It looks like the > > backup must have failed, but the netapp thinks it is still running. Any > > ideas on how to delete the snapshot_for_backup.19? > > > > dice-f740-1> snap list > > Volume vol0 > > working............................................... > > > > %/used %/total date name > > ---------- ---------- ------------ -------- > > 2% ( 2%) 1% ( 1%) Nov 29 08:07 hourly.0 > > 7% ( 5%) 4% ( 3%) Nov 29 00:08 nightly.0 > > 9% ( 5%) 6% ( 3%) Nov 28 20:29 oraclebackup > > 10% ( 5%) 7% ( 3%) Nov 28 20:04 hourly.1 > > 14% ( 6%) 9% ( 4%) Nov 28 16:04 hourly.2 > > 16% ( 6%) 12% ( 4%) Nov 28 12:07 hourly.3 > > 21% ( 9%) 16% ( 6%) Nov 28 08:05 hourly.4 > > 24% (10%) 19% ( 7%) Nov 28 00:06 nightly.1 > > 26% (10%) 21% ( 7%) Nov 27 20:06 hourly.5 > > 31% (11%) 26% ( 8%) Nov 23 21:04 snapshot_for_backup.19 (busy) > > dice-f740-1> snap delete snapshot_for_backup.19 > > Snapshot in use by dump or a CIFS share. > > dice-f740-1> > > Hi everybody! Dr. Nick Riviera here! > > I think Brian is actually hitting burt 31340: > > %%% TITLE: ndmpd deadlock during aborts can cause a locked snapshot > %%% DESCRIPTION: > Aborting an ndmpd session could cause a locked snapshot to occur. The > ndmpd session tries to abort the dump by repeatedly sending it a signal > until > the signal gets through. However, the dump is waiting for data being sent > to the ndmpd session to drain first before processing the abort signal. > This > results in a deadlock situation where the dump thread does not terminate > to > release the snapshot. > %%% WORKAROUND: > Reboot the filer. > > > > This is a filer bug. It is caused by using NDMP, but it is not the NDMP > client's fault. > > I believe if you contact customer support, you should be able to get a > patch > for this particular problem. > > After getting the fix for 31340, no customer has had a problem with a > snapshot > being locked after the dump/NDMP has been terminated. > > > As for Bruce's request for a command to terminate dumps - > we agree with you, and we're working on it. > > So, I hope this helps. > > > Stephen Manley > DAM and NDMP Mascot

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Unable to delete a snapshot
by BrianH＠dice.com 29 Nov '00

29 Nov '00

Hello, I have what could be a major problem soon. I have a snapshot that was created by an ndmpd session, that cannot be deleted. It looks like the backup must have failed, but the netapp thinks it is still running. Any ideas on how to delete the snapshot_for_backup.19? dice-f740-1> snap list Volume vol0 working............................................... %/used %/total date name ---------- ---------- ------------ -------- 2% ( 2%) 1% ( 1%) Nov 29 08:07 hourly.0 7% ( 5%) 4% ( 3%) Nov 29 00:08 nightly.0 9% ( 5%) 6% ( 3%) Nov 28 20:29 oraclebackup 10% ( 5%) 7% ( 3%) Nov 28 20:04 hourly.1 14% ( 6%) 9% ( 4%) Nov 28 16:04 hourly.2 16% ( 6%) 12% ( 4%) Nov 28 12:07 hourly.3 21% ( 9%) 16% ( 6%) Nov 28 08:05 hourly.4 24% (10%) 19% ( 7%) Nov 28 00:06 nightly.1 26% (10%) 21% ( 7%) Nov 27 20:06 hourly.5 31% (11%) 26% ( 8%) Nov 23 21:04 snapshot_for_backup.19 (busy) dice-f740-1> snap delete snapshot_for_backup.19 Snapshot in use by dump or a CIFS share. dice-f740-1> Thanks, Brian

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RE: Unable to delete a snapshot
by Traitel, Eyal 29 Nov '00

29 Nov '00

There's an open bug for that: 26017. Its public notes are: TITLE: Unable to delete busy snapshot DESCRIPTION: There are cases when the creation of a snapshot may be aborted, that will leave the resulting snapshot in a "busy" state. This has been known to occur when third party backup software and/or hardware does not gracefully handle tape spanning or mid-backup aborts. WORKAROUND: Reboot the filer to clear the snapshot "busy" state, and then delete the snapshot. This bug will be fixed in a future release... :( Eyal. ---------------------------------------------------------------------- eTraitel - I'm the new eBuzzword around !!! ---------------------------------------------------------------------- Eyal Traitel - Filer Escalation Engineer CNA, MCSE, CSA, NACA Network Appliance BV Holland Office Center Kruisweg 799b 2132 NG, Hoofddorp The Netherlands Office: +31 23 567 9685 Cellular: +31 6 5497 2568 Email: eyal(a)netapp.com ---------------------------------------------------------------------- Get answers NOW! - NetApp On the Web - http://now.netapp.com ---------------------------------------------------------------------- -----Original Message----- From: BrianH(a)dice.com [mailto:BrianH@dice.com] Sent: Wednesday, November 29, 2000 4:19 PM To: toasters(a)mathworks.com Subject: Unable to delete a snapshot Hello, I have what could be a major problem soon. I have a snapshot that was created by an ndmpd session, that cannot be deleted. It looks like the backup must have failed, but the netapp thinks it is still running. Any ideas on how to delete the snapshot_for_backup.19? dice-f740-1> snap list Volume vol0 working............................................... %/used %/total date name ---------- ---------- ------------ -------- 2% ( 2%) 1% ( 1%) Nov 29 08:07 hourly.0 7% ( 5%) 4% ( 3%) Nov 29 00:08 nightly.0 9% ( 5%) 6% ( 3%) Nov 28 20:29 oraclebackup 10% ( 5%) 7% ( 3%) Nov 28 20:04 hourly.1 14% ( 6%) 9% ( 4%) Nov 28 16:04 hourly.2 16% ( 6%) 12% ( 4%) Nov 28 12:07 hourly.3 21% ( 9%) 16% ( 6%) Nov 28 08:05 hourly.4 24% (10%) 19% ( 7%) Nov 28 00:06 nightly.1 26% (10%) 21% ( 7%) Nov 27 20:06 hourly.5 31% (11%) 26% ( 8%) Nov 23 21:04 snapshot_for_backup.19 (busy) dice-f740-1> snap delete snapshot_for_backup.19 Snapshot in use by dump or a CIFS share. dice-f740-1> Thanks, Brian

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RE: eventid 3006 on heavy loaded filers
by Day, Matt 29 Nov '00

29 Nov '00

Hi Ulrich, There are a couple of known problems that could explain this: Bug 16686: "CIFS client unable to access files with non-8.3 names" Fixed in 5.3.4 and Bug 21304: "NT 4.0 SP5 redirectors reports too short SMBs" Fixed in 5.3.7 Bug 16686 is more serious since it can interfere with a client's ability to open a file. We think bug 21304 is harmless (aside from the irritation of many bogus event log entries) because it is only generated when the client queries for certain pathnames that do not exist, a fact that the client eventually learns anyway. Further information about these bugs can be found on NOW. Submit a full report with Netapp customer support - they can find out for sure what's going on and help you upgrade if necessary. Matt -----Original Message----- From: Ulrich Neumann [mailto:ulrich.neumann@brose.de] Sent: Wednesday, November 29, 2000 12:26 AM To: toasters(a)mathworks.com Subject: eventid 3006 on heavy loaded filers we are using two clustered f760 to host the user-homedirs (1500 user) and other files. so the filers are heavy loaded. unfortunately most of the nt4-clients get a eventid 3006 from source Rdr wich means, that the redirector-service got a too short ServerMessageBlock. any idea? Ulrich Neumann

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eventid 3006 on heavy loaded filers
by Ulrich Neumann 29 Nov '00

29 Nov '00

we are using two clustered f760 to host the user-homedirs (1500 user) and other files. so the filers are heavy loaded. unfortunately most of the nt4-clients get a eventid 3006 from source Rdr wich means, that the redirector-service got a too short ServerMessageBlock. any idea? Ulrich Neumann

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RE: NFS
by Stringer, Douglas 28 Nov '00

28 Nov '00

Yes, that's correct. The product is actually called DAVE and works fairly well. Doug Stringer -----Original Message----- From: Cliff.Dobbs(a)arm.com [mailto:Cliff.Dobbs@arm.com] Sent: Tuesday, November 28, 2000 8:48 AM To: José María Casañé Cc: toasters(a)mathworks.com Subject: Re: NFS Try MacNFS from Thursby Software Systems ( http://www.thursby.com ). I've not used it so I can't comment on how good it is. Cliff Dobbs Systems Administrator ARM Ltd Tel: +44 1223 400430 Fax: +44 1223 400410 e-mail: Cliff.Dobbs(a)arm.com Did you find a NFS for MAC?? TIA josemaria cr

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Re: NFS
by Cliff.Dobbs＠arm.com 28 Nov '00

28 Nov '00

Try MacNFS from Thursby Software Systems ( http://www.thursby.com ). I've not used it so I can't comment on how good it is. Cliff Dobbs Systems Administrator ARM Ltd Tel: +44 1223 400430 Fax: +44 1223 400410 e-mail: Cliff.Dobbs(a)arm.com Did you find a NFS for MAC?? TIA josemaria cr

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RE: NFS
by Benn, Paul 28 Nov '00

28 Nov '00

También el nuevo OS X que todavía esta en beta tiene NFS. http://www.apple.com/macosx/ -----Original Message----- From: José María Casañé [mailto:jmcasane@protec.es] Sent: Tuesday, November 28, 2000 7:19 AM To: toasters(a)mathworks.com Subject: NFS Did you find a NFS for MAC?? TIA josemaria cr

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RE: NFS
by Coartney, Paul 28 Nov '00

28 Nov '00

Thursby software sales an NFS client for the MACS, www.thursby.com -----Original Message----- From: José María Casañé [mailto:jmcasane@protec.es] Sent: Tuesday, November 28, 2000 7:19 AM To: toasters(a)mathworks.com Subject: NFS Did you find a NFS for MAC?? TIA josemaria cr

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RE: Has anyone else getting this type of error!
by Hawley, Rob 28 Nov '00

28 Nov '00

The customer is likely using broadcast resolution based on the messages. What is the filer's name and IP address? It would seem that they duplicate the domain controller. A cifs testdc should help debug the naming and dc resolution. cifs testdc [ WINSsvrIPaddress ] domainname [ filername ] is used when the CIFS subsystem is not running. WINSsvrIPaddress is optionally given to have the Filer use WINS name resolution to locate domainname; otherwise, the Filer will use broadcast name resolution to attempt to find domain controllers. WINSsvrIPaddress is the IP address of a WINS server in the domain. filername is the name of the Filer in the domain. If the name of the Filer is not given, then the Filer will manufacture a name to use for the search. purple> cifs testdc 10.10.10.55 nt-domain Test will use WINS name resolution Testing WINS address...10.10.10.55 is alive Using name NTAP1783328093 Testing name registration... succeeded Current Mode of NBT is H Mode Netbios scope "" Registered names... NTAP1783328093 < 0> WINS Testing Primary Domain Controller found 1 addresses trying 172.18.1.65...172.18.1.65 is alive found PDC CIFS_ALPHA Testing all Domain Controllers found 2 unique addresses found DC CIFS_ALPHA at 172.18.1.65 found DC FRENCH40 at 10.150.13.15 It would probably also be useful to get the output of the rc_toggle_basic command nbtstat purple*> nbtstat interfaces: 172.18.1.125 broadcast interfaces: 172.18.1.255 servers: 10.10.20.41 (active) 10.10.20.42 () NBT scope []; NBT mode [H]; NBT names: PURPLE <00> ( WINS) ( time left=4 ) PURPLE <03> ( WINS) ( time left=4 ) PURPLE <20> ( WINS) ( time left=4 ) CLAB-GHOST <00> ( WINS) ( time left=4 ) CLAB-GHOST <03> ( WINS) ( time left=4 ) CLAB-GHOST <20> ( WINS) ( time left=4 ) NT-DOMAIN <00> ( WINS) ( time left=4 group ) If this is not quickly solved by looking at your configuration, please contact NetApp customer support. They should be able to quickly resolve the problem for you. mailto: hawleyr(a)netapp.com US Mail: Network Appliance Inc. Windows Networking Engineering 495 E Java Dr Phone/pager: 408-822-6661 Sunnyvale, CA 94089 http://www.netapp.com -----Original Message----- From: Jeffrey Krueger [mailto:jkrueger@qualcomm.com] Sent: Monday, November 27, 2000 2:12 PM To: Garry O. Belen Cc: toasters(a)mathworks.com Subject: Re: Has anyone else getting this type of error! You might want to browse your WINS database for DC records with the name "EZE". It looks like you might have duplicate entries for it which can be corrected by deleting one. Darn WINS. =) -- Jeff On Mon, Nov 27, 2000 at 11:19:35AM -0800, Garry O. Belen wrote: > Has anyone else seen this problem. Users have no problem getting to the > filer. Configurations on DC seem to be correct. > > Garry > > > Mon Nov 27 07:20:15 PST [CIFSAuthen]: NBT: NETBIOS conflict on name > EZE ip1 128.18.6.7 ip2 128.18.6.7 > Mon Nov 27 07:20:15 PST [CIFSAuthen]: CIFS - can't make TCP connection > with domain controller \\EZE > Mon Nov 27 07:20:15 PST [CIFSAuthen]: Connection with DC terminated > Mon Nov 27 07:20:26 PST [CIFSAuthen]: NBT: NETBIOS conflict on name > EZE ip1 128.18.6.7 ip2 128.18.6.7 > Mon Nov 27 07:20:26 PST [CIFSAuthen]: CIFS - can't make TCP connection > with domain controller \\EZE > Mon Nov 27 07:20:26 PST [CIFSAuthen]: Connection with DC terminated > Mon Nov 27 07:20:26 PST [CIFSAuthen]: CIFS - password change failed. > Will retry in 1 hour > Mon Nov 27 08:00:00 PST [statd]: 8:00am up 8 days, 21:51 12745936 NFS > ops, 218887 CIFS ops, 33 HTTP ops > Mon Nov 27 08:33:09 PST [tn_login_0]: root logged in from host: toronto > Mon Nov 27 09:00:00 PST [statd]: 9:00am up 8 days, 22:51 12879298 NFS > ops, 220433 CIFS ops, 33 HTTP ops > Mon Nov 27 09:01:00 PST [statd]: 9:01am up 8 days, 22:52 12880351 NFS > ops, 220439 CIFS ops, 33 HTTP ops > Mon Nov 27 09:28:55 PST [tn_login_0]: root logged in from host: > quetzalcoatl > Mon Nov 27 09:39:29 PST [CIFSAuthen]: NBT: NETBIOS conflict on name > EZE ip1 128.18.6.7 ip2 128.18.6.7 > Mon Nov 27 09:39:29 PST [CIFSAuthen]: CIFS - can't make TCP connection > with domain controller \\EZE > Mon Nov 27 09:39:29 PST [CIFSAuthen]: Connection with DC terminated > Mon Nov 27 09:39:40 PST [CIFSAuthen]: NBT: NETBIOS conflict on name > EZE ip1 128.18.6.7 ip2 128.18.6.7 > Mon Nov 27 09:39:40 PST [CIFSAuthen]: CIFS - can't make TCP connection > with domain controller \\EZE > Mon Nov 27 09:39:40 PST [CIFSAuthen]: Connection with DC terminated > Mon Nov 27 09:39:40 PST [CIFSAuthen]: CIFS - password change failed. > Will retry in 1 hour > Mon Nov 27 10:00:00 PST [statd]: 10:00am up 8 days, 23:51 13028201 NFS > ops, 223162 CIFS ops, 33 HTTP ops > Mon Nov 27 10:01:00 PST [statd]: 10:01am up 8 days, 23:52 13034472 NFS > ops, 223173 CIFS ops, 33 HTTP ops > Mon Nov 27 10:52:30 PST [CIFSAuthen]: NBT: NETBIOS conflict on name > EZE ip1 128.18.6.7 ip2 128.18.6.7 > Mon Nov 27 10:52:30 PST [CIFSAuthen]: CIFS - can't make TCP connection > with domain controller \\EZE > Mon Nov 27 10:52:30 PST [CIFSAuthen]: Connection with DC terminated > Mon Nov 27 10:52:41 PST [CIFSAuthen]: NBT: NETBIOS conflict on name > EZE ip1 128.18.6.7 ip2 128.18.6.7 > Mon Nov 27 10:52:41 PST [CIFSAuthen]: CIFS - can't make TCP connection > with domain controller \\EZE > Mon Nov 27 10:52:41 PST [CIFSAuthen]: Connection with DC terminated > Mon Nov 27 10:52:41 PST [CIFSAuthen]: CIFS - password change failed. > Will retry in 1 hour > >

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