Lock Failed Problem

Hi!
The system prompts the following problem when I try to modify an Entity with regard to its attributes :
"CDI 21602 : Lock Failed - Do you want to re-read the row?"
This error has something to do with the repository. But I tried all possible ways in vain.
Thanks.
PS: Kindly also mark a copy to [email protected]
null

Dear All,
Please advise, if you have this problem before.
Thank You and Best Regards
Fernand

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How do I resolve LOCKED DISKS problem ? NO ACCESS ANYMORE !

Hello everybody,
I've looked carefully where to post this topic,
and I hope it's the right place here
(I have already been warned not to post the same questions in different places).
I have actually 2 internal volumes locked, 2 external Firewire volumes locked and 2 USB external volumes locked. I'm talking about *5,7 To* with *NO ACCESS* anymore.
It happened suddenly, and I was working on Snow Leopard 10.6.3 internal drive. This volume is the *only one* that has NOT been locked, but I lost a lot of applications, documents and so on on it.
Each of the locked volumes I am talking about shows,
in *Sharing & Permissions* (Get Info window),
the same Privileges :
— everyone : Custom
— admin : Custom
— olcha (Me) : Custom
— staff : Custom
— everyone (again) : Custom
You'll notice that "System" is not there (should be there with R+W),
and "admin" should have also R+W privilege.
I don't know why "staff" is here (perhaps, one day, somebody will explain to me the difference between : wheel, staff and admin).
I also don't know why "everyone" is there two times.
If I unlock the padlock (bottom right) with my password, I can only
check or uncheck the "Ignore ownership on this volume" square (bottom left).
Doing this (apparently) offers *no interest at all* to solve the problem
(and what does this function produce, when activated or not ?).
I can't *absolutely not* :
• Change *any privilege* of any of the 5 items ;
• Remove (with "-") any of these items ;
• Add a line (for example "System" or "wheel", why not ?)
but nothing new is shown after "+" making.
• The wheel (on the right of "+" and "-") shows only "revert changes" in grey.
I phoned immediately last thursday Apple Assistance,
and I am in contact with a Level 2 Apple Adviser who gave me his e-mail.
I sent him two messages, but he replied me that perhaps MONDAY
he could find the time to call me.
Now, first, please tell me if you have any idea or solution !
Thank you very much in advance.
Secondly, I have reflected on the solving,
and would like to know what you think about what follows :
You know that, in Disk Utility, you can erase a disk or partition.
If, in "Security Options…", I choose "Don't Erase Data", and then "Erase…" :
1) Sharing and Permissions will be changed and become (reset to) correct ;
2) It's said, in "Security Options…",
that "many commonly available disk recovery applications can restore that data".
I would be very glad that you indicate me :
1) the best application to use for that recovery ;
2) I already own "Drive Genius 3.0", "Data Rescue 3.0.2" and
(I think it's the best after a try on an internal 30 Go partition)
"Stellar Phoenix Macintosh Data Recovery".
Thank you in advance for your answers and advices,
With my kind regards
Olivier Herrbach
[email protected]
PS : Dear Forum Webmaster,
I would like to know :
1) if I posted this topic in the right place ;
2) if you allow me to post it elsewhere (and in this case, where ?) ;
3) is it possible to paste images in messages,
and, if yes, which format is needed (TIFF, png, jpeg …)
Thank you very much
Olivier Herrbach

Dear ChazBowie,
Here is the solution I've found for *LOCKED DISKS* problem.
I'll respond the shorter I can, avoiding for the moment to talk about the complicated solutions
that Apple gave to me, which involved volume by volume (only one each time) intervention, and were working by, each time, entering one line, password, then another line in Terminal. I will communicate these instructions later, but they do not need to be publicated here with urgence.
I found two little free softwares that can modify *ALL Privileges* in Sharing and Permissions, *on ANYTHING*. You will have to be careful using them, as they even allow to act as "Root" administrator.
I'd also like everyone to *donate anything* to these helpful developers, and I'd be very pleased to have *your feedback and results*.
••• 1) — *BatChmod 1.6.2* (162), written by a compatriot, Renaud Boisjoly.
E-mail (if you have doubts or questions) : [email protected]
Free software downloading site : *http://www.macchampion.com/arbysoft*
(excuse me, but I don't know how to make a link here).
••• 2) — *FileXaminer 2.7*, recommended by Renaud himself.
Dear ChazBowie,
Here is the solution I've found for *LOCKED DISKS* problem.
I'll respond the shorter I can, avoiding for the moment to talk about the complicated solutions
that Apple gave to me, which involved volume by volume (only one each time) intervention, and were working by, each time, entering one line, password, then another line in Terminal. I will communicate these instructions later, but they do not need to be publicated here with urgence.
I found two little free softwares that can modify *ALL Privileges* in Sharing and Permissions, *on ANYTHING*. You will have to be careful using them, as they even allow to act as "Root" administrator.
I'd also like everyone to *donate anything* to these helpful developers, and I'd be very pleased to have *your feedback and results*.
••• 1) — *BatChmod 1.6.2* (162), written by a compatriot, Renaud Boisjoly.
E-mail (if you have doubts or questions) : [email protected]
Free software downloading site : Gideon Softworks : *http://www.gideonsoftworks.com/*
I won't copy here the texts that are on both sites, but it's very instructive.
Remember that the applications don't only work on files and folders,
*but also on disks attributes*.
You'll also have some work to do (I don't remember, perhaps not), by going in the Get Info windows
and changing privileges to the correct ones, that means you must know
(I'm not sure, verify please) what privileges are to be set for a volume
(YOU WILL HAVE ACCESS TO THEM, AND CHANGES YOU MAKE WON'T BE RESET TO "CUSTOM").
Does anybody know something about the "Ignore ownership on this volume" checkbox ?
*I always uncheck it*.
I would also like very much to know the differences between the two-headed iconed groups :
"staff", "wheel" and "admin", and IN THE END know *WHERE are the rules* you have to observe
when doing changes in privileges (for example, I don't want to give my password to copy something in Users folder, nor "MyName" folder. I've changed that without, I hope, having created any dysfunction).
Please tell me if you know anything about these 2 subjects above.
I'm very glad if my informations have been useful/helpful.
With my kind regards,
Olivier Herrbach

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Hi
My client is product based company and have e-Commerce (online Sale Order) application using Oracle database 10.2.0.5 & Web application deployed on WLS. Client have ~ 90 Warehouse country wide and ~ 200 Products (Items). Each product stock for each warehouse is maintained in Inventory Table (INV_BALANCE) which get updated for each order and their sale's products. We are using NO WAIT function to acquire lock on row to update stock balance. Last few months, client business is growing very fast and during Promotional Events (EXPO), they have sales of ~ 75K orders (~ 250K Items) within 2-3 days which start causing row lock contention problem on INV_BALANCE table. We are seeing lots of "Row Lock Wait" and "enq: TX - row lock contention" event which cause ORA-00060: Deadlock detected and we need to eventually clear blocking sessions or everything just choked.
select statistic_name,value from sys.v_$segment_statistics where object_name = 'INV_BALANCE'
STATISTIC_NAME                                                                                                                        VALUE
logical reads                                                                                                                                12423072
buffer busy waits                                                                                                                           3895
db block changes                                                                                                                         3516768
physical reads                                                                                                                               957
physical writes                                                                                                                            12197
row lock waits                                                                                                                             49909
space used                                                                                                                                -52921
Deadlock graph:
                       ---------Blocker(s)-------- ---------Waiter(s)---------
Resource Name          process session holds waits process session holds waits
TX-00880017-00002584       321    1675     X            110    1445           X
TX-00b60008-00000741       110    1445     X            337    2158           X
TX-0148000b-0000009e       337    2158     X            378    1525           X
TX-01d50015-0000006f       378    1525     X            363    1842           X
TX-02290012-00000070       363    1842     X            267    1798           X
TX-024a0026-0000006e       267    1798     X            364    2084           X
TX-020a0004-0000006f       364    2084     X            135    2113           X
TX-01dc001f-00000070       135    2113     X            129    1586           X
session 1675: DID 0001-0141-000001CA    session 1445: DID 0001-006E-00000202
session 1445: DID 0001-006E-00000202    session 2158: DID 0001-0151-0000026B
session 2158: DID 0001-0151-0000026B    session 1525: DID 0001-017A-00000167
session 1525: DID 0001-017A-00000167    session 1842: DID 0001-016B-000002B4
session 1842: DID 0001-016B-000002B4    session 1798: DID 0001-010B-000001F1
Rows waited on:
Session 1445: obj - rowid = 0001AE0E - AAAlK8AAHAAD7rMABY
(dictionary objn - 110094, file - 7, block - 1030860, slot - 88)
Session 2158: obj - rowid = 0001AE0E - AAAlK8AAHAAD7rMACD
(dictionary objn - 110094, file - 7, block - 1030860, slot - 131)
Session 1525: obj - rowid = 0001AE0E - AAAlK8AAHAAD7rOAB2
(dictionary objn - 110094, file - 7, block - 1030862, slot - 118)
Information on the OTHER waiting sessions:
Session 1445:
sid: 1445 ser: 37 audsid: 38316795 user: 69/<none>
            program: JDBC Thin Client
application name: JDBC Thin Client, hash value=2546894660
Current SQL Statement:
SELECT ROWID, NVL(QTY_PEND,0)+NVL(:B3 ,0) FROM INV_BALANCE WHERE WHS_ID = :B2 AND STOCK_ID = :B1 FOR UPDATE OF QTY_PEND WAIT 10
Please help me on following
Q1: How can we reduce the "row lock Contention" on INV_BALANCE, all possible ways & best practices?
Q2: How can we change the design to not have "row lock Contention" at all?
Appreciate your help
Thanks
Amit Garg
www.otnblogs.com

Hi Amit!
I saw you are using FOR UPDATE in your query.
If you want reduce row locks, then you not must use FOR UPDATE.
As you know, FOR UPDATE is locking rows.
Regards
Mahir M. Quluzade

Apart from the lock button problem in iphone 5 the display brightness suddenly goes blank and becomes normal after locking and unlocking the iphone. The Apple service centre in India is denying to service the iphone as it was purchase in USA even thoug it

Apart from the lock button problem in iphone 5 the display brightness suddenly goes blank and becomes normal after locking and unlocking the iphone. The Apple service centre in India is denying to service the iphone as it was purchase in USA even though the iphone is in warranty.

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Hello,
after upgrading the 2 servers in server pool from 2.1.2 to 2.1.5 using yum, all vms throw:
Error: Acquire running lock failed: 256
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We have the following in /var/log/xen/xend.log:
[2009-06-26 14:52:21 2649] DEBUG (XendDomainInfo:87) XendDomainInfo.create(['vm', ['name', '470_vm215'], ['memory', '1024'], ['on_reboot', 'restart'], ['on_crash', 'restart'], ['vcpus', 1], ['on_xend_start', 'ignore'], ['on_xend_stop', 'ignore'], ['uuid', '14205f6a-12cc-42da-a32e-06f30b6288d4'], ['bootloader', '/usr/bin/pygrub'], ['bootloader_args', '-q'], ['image', ['linux']], ['device', ['vbd', ['uname', 'file:/OVS/running_pool/470_vm215/system.img'], ['dev', 'sda'], ['mode', 'w']]], ['device', ['vif', ['bridge', 'xenbr0'], ['mac', '00:16:3E:32:CD:FC'], ['type', 'netfront']]], ['device', ['vkbd']], ['device', ['vfb', ['vncunused', '1'], ['vncpasswd', 'XXXXXXXX'], ['vnclisten', '0.0.0.0'], ['type', 'vnc'], ['display', 'localhost:11.0'], ['xauthority', '/root/.Xauthority']]]])
[2009-06-26 14:52:21 2649] ERROR (XendDomainInfo:452) VM start failed
Traceback (most recent call last):
File "/usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 430, in start
self.acquire_running_lock();
File "/usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 2891, in acquire_running_lock
raise XendError('Acquire running lock failed: %s' % status)
XendError: Acquire running lock failed: 256
[2009-06-26 14:52:21 2649] DEBUG (XendDomainInfo:1881) XendDomainInfo.destroy: domid=None
[2009-06-26 14:52:21 2649] ERROR (XendDomainInfo:92) Domain construction failed
Traceback (most recent call last):
File "/usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 90, in create
vm.start()
File "/usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 430, in start
self.acquire_running_lock();
File "/usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 2891, in acquire_running_lock
raise XendError('Acquire running lock failed: %s' % status)
XendError: Acquire running lock failed: 256
[2009-06-26 14:52:21 2649] DEBUG (XendDomainInfo:1881) XendDomainInfo.destroy: domid=None
and in /var/log/xen/xend-debug.log:
ha_set_dlm_lock ['14205f6a-12cc-42da-a32e-06f30b6288d4', '470_vm215'] =>
failed: <Exception: create lock('/dlm/ovm/4205f6a12cc42daa32e06f30b6288d4') failed. <OSError: [Errno 26] Text file busy: '/dlm/ovm/4205f6a12cc42daa32e06f30b6288d4'>
StackTrace:
File "/opt/ovs-agent-2.2/OVSXHA.py", line 371, in ha_set_dlm_lock
fd = os.open(lock_path, os.O_CREAT | os.O_NONBLOCK)
>
StackTrace:
File "/opt/ovs-agent-2.2/OVSXHA.py", line 379, in ha_set_dlm_lock
raise Exception("create lock('%s') failed. %s" % (lock_path, errmsg))
Any ideas?
Thanks, Olaf

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