filer locks on oracle DB
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filer locks on oracle DB
by Willeke, Jochen
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Hello toasters,
we have a problem with some of our oracle databases (LINUX, NFS on Filers). Sometimes when the database crashes, we have locks left on the filer. Currently we use "priv set diag; lock status -f" to check for those locks. And with "priv set diag; sm_mon -l [servername]" we can delete all locks for a specific server. But this is a problem, if one server hosts more DB's than one. Is there any possibility to find out which locks are the blocking ones and delete only those? Does anyone have the same problem and has an interesting solution to that?!? Best Regards and thanks in advance Jochen -- Wincor Nixdorf International GmbH Sitz der Gesellschaft: Paderborn Registergericht Paderborn HRB 3507 Geschäftsführer: Eckard Heidloff (Vorsitzender), Stefan Auerbach, Dr. Jürgen Wunram Vorsitzender des Aufsichtsrats: Karl-Heinz Stiller Steuernummer: 339/5884/0020 - Ust-ID Nr.: DE812927716 - WEEE-Reg.-Nr. DE44477193 Diese E-Mail enthält vertrauliche Informationen. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrtümlich erhalten haben, informieren Sie bitte sofort den Absender und vernichten Sie diese E-Mail. Das unerlaubte Kopieren sowie die unbefugte Weitergabe dieser E-Mail ist nicht gestattet. This e-mail may contain confidential information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distribution of the material in this e-mail is strictly forbidden. |
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Re: filer locks on oracle DB
by Bernardoff, Michael
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Hi
You could first check if all RPC calls are registered symetrically on the server and the client rpcinfo -p localhost rpcinfo -p filer > Hello toasters, > > we have a problem with some of our oracle databases (LINUX, NFS on > Filers). Sometimes when the database crashes, we have locks left on > the > filer. > > Currently we use "priv set diag; lock status -f" to check for those > locks. And with "priv set diag; sm_mon -l [servername]" we can delete > all locks for a specific server. > > But this is a problem, if one server hosts more DB's than one. Is > there > any possibility to find out which locks are the blocking ones and > delete > only those? > > Does anyone have the same problem and has an interesting solution to > that?!? > > Best Regards and thanks in advance > > Jochen > > -- > Wincor Nixdorf International GmbH > Sitz der Gesellschaft: Paderborn > Registergericht Paderborn HRB 3507 > Geschäftsführer: Eckard Heidloff (Vorsitzender), Stefan Auerbach, Dr. > Jürgen Wunram > Vorsitzender des Aufsichtsrats: Karl-Heinz Stiller > Steuernummer: 339/5884/0020 - Ust-ID Nr.: DE812927716 - WEEE-Reg.-Nr. > DE44477193 > > Diese E-Mail enthält vertrauliche Informationen. Wenn Sie nicht der > richtige Adressat sind oder diese E-Mail irrtümlich erhalten haben, > informieren Sie bitte sofort den Absender und vernichten Sie diese > E-Mail. Das unerlaubte Kopieren sowie die unbefugte Weitergabe dieser > E-Mail ist nicht gestattet. > > This e-mail may contain confidential information. If you are not the > intended recipient (or have received this e-mail in error) please > notify the sender immediately and destroy this e-mail. Any > unauthorised copying, disclosure or distribution of the material in > this e-mail is strictly forbidden. > > > > |
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Re: filer locks on oracle DB
by Bill Holland
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have you set "vol options <volname> nvfail on"?
On Fri, 2008-02-15 at 09:29 +0100, Willeke, Jochen wrote: > Hello toasters, > > we have a problem with some of our oracle databases (LINUX, NFS on > Filers). Sometimes when the database crashes, we have locks left on the > filer. > > Currently we use "priv set diag; lock status -f" to check for those > locks. And with "priv set diag; sm_mon -l [servername]" we can delete > all locks for a specific server. > > But this is a problem, if one server hosts more DB's than one. Is there > any possibility to find out which locks are the blocking ones and delete > only those? > > Does anyone have the same problem and has an interesting solution to > that?!? > > Best Regards and thanks in advance > > Jochen > |
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RE: filer locks on oracle DB
by Willeke, Jochen
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No,
never heard about that option so far. Regards Jochen -----Original Message----- From: Bill Holland [mailto:hollandwl@...] Sent: Friday, February 15, 2008 10:28 AM To: Willeke, Jochen Cc: toasters@... Subject: Re: filer locks on oracle DB have you set "vol options <volname> nvfail on"? On Fri, 2008-02-15 at 09:29 +0100, Willeke, Jochen wrote: > Hello toasters, > > we have a problem with some of our oracle databases (LINUX, NFS on > Filers). Sometimes when the database crashes, we have locks left on the > filer. > > Currently we use "priv set diag; lock status -f" to check for those > locks. And with "priv set diag; sm_mon -l [servername]" we can delete > all locks for a specific server. > > But this is a problem, if one server hosts more DB's than one. Is there > any possibility to find out which locks are the blocking ones and delete > only those? > > Does anyone have the same problem and has an interesting solution to > that?!? > > Best Regards and thanks in advance > > Jochen > -- Wincor Nixdorf International GmbH Sitz der Gesellschaft: Paderborn Registergericht Paderborn HRB 3507 Geschäftsführer: Eckard Heidloff (Vorsitzender), Stefan Auerbach, Dr. Jürgen Wunram Vorsitzender des Aufsichtsrats: Karl-Heinz Stiller Steuernummer: 339/5884/0020 - Ust-ID Nr.: DE812927716 - WEEE-Reg.-Nr. DE44477193 Diese E-Mail enthält vertrauliche Informationen. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrtümlich erhalten haben, informieren Sie bitte sofort den Absender und vernichten Sie diese E-Mail. Das unerlaubte Kopieren sowie die unbefugte Weitergabe dieser E-Mail ist nicht gestattet. This e-mail may contain confidential information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distribution of the material in this e-mail is strictly forbidden. |
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Re: filer locks on oracle DB
by Srinivas patcha
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Clearing NFS locks are disruptive for other active sessions on the same host connected to same filer. Below KB provides more info.
https://now.netapp.com/Knowledgebase/solutionarea.asp?id=ntapcs1386 -Srinivas On Fri, Feb 15, 2008 at 1:59 PM, Willeke, Jochen <Jochen.Willeke@...> wrote: Hello toasters, |
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RE: filer locks on oracle DB
by Willeke, Jochen
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Hi toasters,
i did a bit more testing in the meanwhile. One thing i now know is, that you can check with "lock status -h [host] -p NLM" for all NFSv2/3 connections for a specific host. Like that: ======== NLM host lolek 93 0x19396e07:0x001af399 0:0 0 GRANTED (0x627a7e30) 93 0x19396e07:0x001af3a1 0:0 0 GRANTED (0xa8bb5728) 93 0x19396e07:0x001af39b 0:0 0 GRANTED (0xe5bec7f0) 93 0x19396e07:0x001af39a 0:0 0 GRANTED (0x6ecd44d0) 93 0x19396e07:0x001af398 0:0 0 GRANTED (0x64df7e30) 93 0x19396e07:0x001af397 0:0 0 GRANTED (0xaee564d0) 93 0x19396e07:0x001af396 0:0 0 GRANTED (0x9558be30) 84 0x17396d96:0x000911bb 0:0 0 GRANTED (0x8049d980) 84 0x16396d56:0x00003720 0:0 0 GRANTED (0x719b1ef8) 84 0x19396e07:0x001af395 0:0 0 GRANTED (0x916c58b8) There you have a PID (the first collumn) which can be used to kill locks per PID. "sm_mon -l [host] -p PID" But sadly this PID is not the PID i can see on the client. Has anybody an idea if there is a link between those PID's?? Regards Jochen -----Original Message----- From: owner-toasters@... [mailto:owner-toasters@...] On Behalf Of Bill Holland Sent: Friday, February 15, 2008 10:28 AM To: Willeke, Jochen Cc: toasters@... Subject: Re: filer locks on oracle DB have you set "vol options <volname> nvfail on"? On Fri, 2008-02-15 at 09:29 +0100, Willeke, Jochen wrote: > Hello toasters, > > we have a problem with some of our oracle databases (LINUX, NFS on > Filers). Sometimes when the database crashes, we have locks left on the > filer. > > Currently we use "priv set diag; lock status -f" to check for those > locks. And with "priv set diag; sm_mon -l [servername]" we can delete > all locks for a specific server. > > But this is a problem, if one server hosts more DB's than one. Is there > any possibility to find out which locks are the blocking ones and delete > only those? > > Does anyone have the same problem and has an interesting solution to > that?!? > > Best Regards and thanks in advance > > Jochen > -- Wincor Nixdorf International GmbH Sitz der Gesellschaft: Paderborn Registergericht Paderborn HRB 3507 Geschäftsführer: Eckard Heidloff (Vorsitzender), Stefan Auerbach, Dr. Jürgen Wunram Vorsitzender des Aufsichtsrats: Karl-Heinz Stiller Steuernummer: 339/5884/0020 - Ust-ID Nr.: DE812927716 - WEEE-Reg.-Nr. DE44477193 Diese E-Mail enthält vertrauliche Informationen. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrtümlich erhalten haben, informieren Sie bitte sofort den Absender und vernichten Sie diese E-Mail. Das unerlaubte Kopieren sowie die unbefugte Weitergabe dieser E-Mail ist nicht gestattet. This e-mail may contain confidential information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distribution of the material in this e-mail is strictly forbidden. |
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