Device is write locked

How to reset password.
I have tried these steps but no luck
/sbin/fsck -fy
/sbin/mount -uw /
passwd root
touch /var/db/.AppleSetupDone
reboot
Anybody can help

First, make sure caps lock is not on.
You must back up all data before continuing, unless you've already done so. If you need to back up but can't log in, ask for instructions.
If the user account is associated with an Apple ID, and you know the Apple ID password, then maybe the Apple ID can be used to reset your user account password.
Otherwise*, boot into Recovery mode. When the OS X Utilities screen appears, select
Utilities ▹ Terminal
from the menu bar. In the Terminal window, type this:
res
Press the tab key. The partial command you typed will automatically be completed to this:
resetpassword
Press return. A Reset Password window opens.
Select your boot volume ("Macintosh HD," unless you gave it a different name) if not already selected.
Select your username from the menu labeled Select the user account if not already selected.
Follow the prompts to reset the password. It's safest to choose a password that includes only the characters a-z, A-Z, and 0-9.
Select
 ▹ Restart
from the menu bar.
You should now be able to log in with the new password, but your Keychain will be reset (empty.) If you've forgotten the Keychain password (which is ordinarily the same as your login password), there's no way to recover it.
*Note: If you've activated FileVault, this procedure doesn't apply. Follow instead the instructions on this page:
If you forget the password and FileVault is on

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Could not obtain a maintenance-read + write-Lock for DBQueue/QStream/jobID

Hi All,
Does anyone know what does this error mean?
com.sap.b1i.xcellerator.XcelleratorException:
XCE001 Nested exception: com.sap.b1i.xcellerator.RejectedException:
XCE061 Could not obtain a maintenance-read + write-Lock for DBQueue/QStream/jobID Q.INB_IQ_INTQ_ASYN_QS.0010000000
Regards
Szymon

You see that's the thing, I'm not using it for a picture camera. The camera prob wouldnt read the card anyway. I'm using it as a storage device for my Nintendo Wii, I have files that I put on there to use as channels for my Wii Home Screen.

Installing Mountain Lion from Snow Leopard, Install failed and HD write-locked

I recently downloaded the mountain lion installer from the App Store and I ran the installer. Stupid person as I am, I did not have any backups for my file and I naively assumed that an apple OS installer would be without flaws. Boy, was I wrong. I need every bytes of my data (or close to every bytes) but the installer failed.
Mid installation, the installer stopped and said that the installation failed and that I need to repair my disk. So I restarted the computer and I ran disk utilities (my start up disk was the OS installer and the installer allows me to run several programs, including terminal, disk utilities, and by the way, when I held option while starting up to see which start up disks I have, I only had the OS installer as the start up disk. Also, the installer allows me to run a program called "Startup Disk" when I click on the apple logo on the top left corner, but it doesn't allow me to startup my computer using Macintosh HD) and noticed that when I highlighted Macintosh HD, my "Repair Disk" button was grayed out. So first things first, I ran the "Verify Disk" button but after a minute or so, Disk Utilities said that verification failed and that Macintosh HD needs to be repaired. But the "repair disk" button is grayed out! So I went to the Mountain Lion installer again and ran it. Of course, it failed again so I restarted the computer.
So I tried to first back up all files in Macintosh HD to an external hard drive using Disk Utilities, and I used features such as "New Image" and "Restore" but they both ended up in "Input/Output error". I tried many methods with Disk Utilities but they resulted in errors.
After some research, I noticed that some people's computers worked after they reset their PRAM. So that's what I did. I held command+option+P+R when computer started up and I reset the PRAM. When the start up disk (which is the OS installer, not the normal operating system) loaded, I was greeted with choose languages option and then I was back in the Mountain Lion installer state. I again ran the installer again, hoping something would be different, but then it was different. But not in a good way. When I was told to choose where I would like to install Mountain Lion, I noticed that Macintosh HD was grayed out. Last time, I was at least able to run the installer but this time, Macintosh HD was grayed out. The installer said that my Macintosh HD was locked. After some research, I learned that apparently, the Mountain Lion installer write-locks Macintosh HD mid installation.
So now I am stuck and I am thinking of two things (plus some questions)
1. I am wondering if there is a way to unlock Macintosh HD. But even if I can unlock Macintosh HD, there is no guarantee that the installer will successfully install Mountain Lion, am I right?
a. so how can I un-write-lock Macintosh HD?
2. More realistically, I am thinking of borrowing someone else's macintosh computer and use it as the backup center. I have a firewire cable and a terrabyte external hard drive. So what I'm thinking is that I'll hook my computer in target mode to my friend's computer and I will also plug in my external hard drive to my friend's computer and then I can download and run Carbon Copy Cloner from my friend's computer to copy all data from my Macintosh HD to my external hard drive. And then I will erase my Macintosh HD, freshly install Mountain Lion onto it and then copy all data back from my external hard drive. But I am not sure about few things.
a. it looks like my Macintosh HD is write-locked. Can I still use Carbon Copy Cloner to copy all data from Macintosh HD (in target mode) to my external hard drive?
b. will my computer allow me to erase (or format) Macintosh HD?
c. will my erased/formatted Macintosh HD able to install + be installed Mountain Lion OS?
If you are here, then you have read my long long problem. Thank you very much and I would really really really appreciate your answers and opinions. Thanks

I'm not sure where you read that about the disk being "write-locked." That doesn't make much sense, given that the major task an installer like this must achieve is writing a whole bunch of files to the hard drive. I think your source was mistaken.
As to what happened, it sounds like your hard drive was badly corrupt to start with, or possibly was on the edge of failing and is now in the process of dying entirely. If you don't have backups of your data, that does not bode well for you, unfortunately. If you can manage to use target mode to copy your data, do that.
Once you're sure you've got all your data, you need to start up from your Snow Leopard install disk and repair the hard drive. (Since it sounds like the Mountain Lion installer didn't work, I wouldn't trust the recovery partition that Mountain Lion installs.) Or, even better, just erase the hard drive entirely and reinstall Snow Leopard. Then, once you're back up and running, with all your data back on the system and with Snow Leopard updated to the most recent version, try installing Mountain Lion again. If any of that fails again, the problem is likely to be a dying hard drive, and you'll need to replace it.

Output device DKRDSP029 is locked in the SAP system - RFC error

Hi,
One user of the system has got the following error when he is loading his "Change Office and communication" iView in the portal. This is the SAP standard DK used iView!
No one else has this error in the system as far as we know and the DKRDSP029 is a printer. I had no idea that a printer was connected to this information but apparently there is.
Does anyone has any input to what the problem actually is?
Thanks :-)...
Start of the stacktrace:
com.sap.tc.webdynpro.modelimpl.dynamicrfc.WDDynamicRFCExecuteException: Output device DKRDSP029 is locked in the SAP system , error key: RFC_ERROR_SYSTEM_FAILURE
at com.sap.tc.webdynpro.modelimpl.dynamicrfc.DynamicRFCModelClassExecutable.execute(DynamicRFCModelClassExecutable.java:101)
at com.sap.xss.hr.cod.FcCodBusinessLogicComp.callRFCGetDetails(FcCodBusinessLogicComp.java:472)
at com.sap.xss.hr.cod.FcCodBusinessLogicComp.onInit(FcCodBusinessLogicComp.java:228)
at com.sap.xss.hr.cod.wdp.InternalFcCodBusinessLogicComp.onInit(InternalFcCodBusinessLogicComp.java:512)
at com.sap.xss.hr.cod.FcCodBusinessLogicCompInterface.onInit(FcCodBusinessLogicCompInterface.java:115)
at com.sap.xss.hr.cod.wdp.InternalFcCodBusinessLogicCompInterface.onInit(InternalFcCodBusinessLogicCompInterface.java:147)
at com.sap.xss.hr.cod.wdp.InternalFcCodBusinessLogicCompInterface$External.onInit(InternalFcCodBusinessLogicCompInterface.java:227)
at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPM.attachComponentToUsage(FPMComponent.java:922)
at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPM.attachComponentToUsage(FPMComponent.java:891)

Please check if this user has any default output device configured in the corresponding backend system. (from SU01)
If the printer/output device configured for this user is DKRDSP029, there might be a problem with the printer setup.
You can try and change the printer to a different one if required.
Thanks,
Shanti

Printer problem "Output Device LP01 is Locked by R/3"

Hi BASIS Experts,
user is printed
Spoolrequest showing Status="-" , outputrequest is not generated,
in SP01 listof spoolrequest
selecting the Spool no(Check box) and Clicking PrintDirectly
it is showing message "Output Device LP01 is Locked by R/3"
I checked Printer Q it is in Ready Stage, there is no changes to the printer from BASIS side.
my Environment is AIX,DB2,R3
I appreciate the Quick & helpful response.
Thanks & Regards,
Kishore Reddy

Hi ,
It will show ... running ... but try to trace ... and check .. .
it will show running ... but you need to check ..
Does it reading writing to database ?
Analyses the job... what exactly it is trying to do ..
.... I never seen the job running this much long time ....
Regards
Ben.

Error : MDSConfig failed to acquire write lock??

Hi,
Changes that I know used to flow, don't flow anymore, and I was suspecting something was wrong with the changelog followup.
I guess I was right, cause I see this in the meta-.xxx.log:
MDSConfig failed to acquire write lock 'MDS_E_FAILED_TO_ACQUIRE_WRITE_LOCK' (80042212), wlock=(fe3f1c40), rlock
=(fe3f1c10), readlocks=4, writelockstate=0
No mention in the admin guide obvioiusly.
Anyone knows what this might mean? The config is on a dedicated DS instance, and no errors found there.
MDS = 5.0SP1
DS = 5.1SP1
Thanks,
Wim

i sometimes see such messages on startup
normally they go away a few minutes later.
another solution is to stop everything (meta directory processes, and the LDAP's containing the MV and the NetscapeRoot), then start only the LDAP's, wait a few minutes, start the join-engine,
it seems some objects in the ldap still/already have a write lock on them (myabe from a previous connection), when the join-engine tries to write to them

Write-lock the complete database

Hello,
One of my transactions changes many records in the database and often I need 30 and
more tries, until the transaction is done without deadlocks.
Is there a chance to simply write-lock the database (and block other transaction) until this
expensive transaction has finished?
Is this impossible?
Thank you very much
Josef

Hi Josef,
I would suggest starting by reviewing the information in chapters 9 and 14 in the Reference Guide ("Berkeley DB Transactional Data Store Applications", "The Locking Subsystem"):
http://www.oracle.com/technology/documentation/berkeley-db/db/ref/toc.html
and specifically the following links:
http://www.oracle.com/technology/documentation/berkeley-db/db/ref/transapp/read.html
http://www.oracle.com/technology/documentation/berkeley-db/db/ref/transapp/deadlock.html
http://www.oracle.com/technology/documentation/berkeley-db/db/ref/transapp/tune.html
If your application behavior allows for multiple-reader/single writer access to the database then you might want to consider setting up with CDS (Concurrent Data Store); this is presented in chapter 8 in the Reference Guide ("Berkeley DB Concurrent Data Store Applications").
The above documentation should help you resolve this; if not, provide more information on how your application performs work (i.e. how many threads are writing concurrently, if you're using transactional cursors for writing, if you enclose reads in transactions, if you read records, analyze them and subsequently update them, what flags are set for transactions, databases, etc).
Regards,
Andrei

HT204291 the airplay icon on all my devices has a lock on it. I don't know how to unlock it to get it to work with my Apple TV

The Airplay icon on all my devices has a lock on it. How do I unlock it to share with my Apple TV. I have homeshare on everything and I simply can't figure this out.

The Best Alternatives for Security Questions and Rescue Mail
     1. Send Apple an email request at: Apple - Support - iTunes Store - Contact Us.
     2. Call Apple Support in your country: Customer Service: Contact Apple support.
     3. Rescue email address and how to reset Apple ID security questions.
An alternative to using the security questions is to use 2-step verification:
Two-step verification FAQ Get answers to frequently asked questions about two-step verification for Apple ID.

How to implement Reentrant Read Write Locking??

It seems like there should be a ReentrantReadWriteLock in Coherence. Am I missing some basic concept or something?
Thanks!

Hi,
there is no such thing as a shared lock on cache keys in Coherence out-of-the-box, at the moment, but it can be implemented on top of other features (with some performance decrease), but it is a fairly complex task, particularly the continuation of the client thread once the lock is acquired is tricky. Also that approach wouldn't be integrated with Coherence TransactionMap and JCA Adapter features, so in case you need such things you would need to reimplement those on top-of the custom read/write locking solution on your own.
Best regards,
Robert

OWB - write lock - OMB01118: Could not connect to repository!

Hi
We have sheduled a job to run the DWH workflows nightly . We are on version 11.2.0.2.0
We are struggeling with this error that apperas randomly in our development environment .
OMB01118: Could not connect to repository! API0262: Cannot place write lock on Control Center DEFAULT_CONTROL_CENTER! Lock is currently held by OS user oracle_sched_tasks.
We can't find anything about this error message. And we have tried everything to find out what can cause this error.
We also find a owbsys table called: IGNORE_LOCKERROR_SET_WORKSPACE
where IGNORE_LOCKERROR is set to 0
What is the purpose of this table? Can't find anything on this eigther.
grateful for some help on this issue.
BR
Evelyn

In SNP table, there are multiple entry for one row. like i have only one master but it gets two entry for it. I just delete one row and got suucess to login.
Thanks

Berkeley DB needs too many write locks on specific size of the records

Hi,
I put records to the Berkeley db row by row in single transaction. And i have discovered significant increase of write locks on some specific size of the data.
For example when i put 1000 records, where each record data size is around 3500 bytes, transaction uses 428 locks. On bigger or smaller data size transaction needs fewer locks.
I put statistic in the table:
Record size Lock number needed by transaction
~1400 169
~3500 428
~4300 6
I think it is somehow related to the page size(16384) or cache size (64Mb)
Could someone explain why transaction needs so many write locks with data size ~3500 and fewer locks with data size ~4300?
Is there any way to avoid that raise of lock number? If not, I need to measure maximum number of locks needed for successful end of transactions. Understanding of the source of that issue would help me to prepare data which require the biggest number of locks for putting it in the database in one transaction.
Thanks in advance.

Please delete this post and repost in the appropriate forum. Thank you.

Robust Reader Writer Locks?

Does anyone know of an implmentation of robust reader/writer locks? (i.e. locks that unblock and return an error when the process that holds the lock dies) I found that Solaris supports robust mutex locks, but cannot find anything about robust reader/writer locks.
Thanks for the help!
Jason

It doesn't sound like you have a good background in concurrency yet. Take a look at this book.
http://java.sun.com/docs/books/cp/
Great book, great guy. Let me know if you need any help after you start.

Q. Reader-Writer lock across unrelated processes?

What mechanism would you suggest to implement Reader-Writer locks across unrelated processes?
Though the documentation for pthread_rwlock_ functions state
Synchronization Across Process Boundaries
Each of the synchronization primitives can be set up to be used across process
boundaries. This is done quite simply by ensuring that the synchronization variable is
located in a shared memory segment and by calling the appropriate init() routine,
after the primitive has been initialized with its shared attribute set as interprocess.
but they work only if the processes are forked off from a given process which initialized the relevant synchronization variable and not if the processes are totally unrelated.

What mechanism would you suggest to implement Reader-Writer locks across unrelated processes?
Though the documentation for pthread_rwlock_ functions state
Synchronization Across Process Boundaries
Each of the synchronization primitives can be set up to be used across process
boundaries. This is done quite simply by ensuring that the synchronization variable is
located in a shared memory segment and by calling the appropriate init() routine,
after the primitive has been initialized with its shared attribute set as interprocess.
but they work only if the processes are forked off from a given process which initialized the relevant synchronization variable and not if the processes are totally unrelated.

HT5163 i have an old i phone 3s and was using it as an ipod. at the last update i got got a message saying there is no sim card in the phone. i do not want it to be a phone anymore. however the device has a locked screen saying it has no SIM card. how do

i have an old i phone 3s and was using it as an ipod. at the last update i got got a message saying there is no sim card in the phone. i do not want it to be a phone anymore. however the device has a locked screen saying it has no SIM card. how do i get back to unlocking the iphone and using it as an ipod again.
thanks

iPhones require a SIM card for activation, regardless of whether it is being used as an iPhone or an iPod.
Put a SIM in the device for the carrier it is locked to and activate it. The SIM can then be left it it or removed.

The device is network locked.contact your service provider

hi
i have Z10
the device is network locked.contact your service provider.
now im in UAE network provider DU.
please solve this issue

This is a peer to peer forum. Most often those volunteering to assist help you help yourself.
That said, if the device is SIM locked to one carrier and you are using another carrier, you need to unlock the device. If that is the issue, see http://www.blackberry.com/btsc/KB03889 Additionally, there are online services that will sell you the unlock code.
- Ira

Device is write locked

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