Help Recover Data from BitLocker Protected Disk
I used BitLocker to protect one My Vol _Disk .. It worked well ,
Then After few days . I found that this disk disappeared from my computer , now I can access this volume , There's a very important data on it , I don't want to lose It .
What I have to do to get My data from this Disk again ?
#Help Please ?
Hi,
In order to help you quickly, we need confirm the questions:
What's the meaning of this disk disappeared from computer but you can access this volume?
This is not possible. Please right click the "This PC" ->Manage->Disk Management, check if that disk list in there.
If it's in there, please give us a screenshot about the disk management.
Meanwhile, run follow this article to run diskpart command to list the disk and volume information, post the screenshot back here:
A Description of the Diskpart Command-Line Utility
https://support.microsoft.com/kb/300415?wa=wsignin1.0
Note: It's also applied to Windows 8.1
Karen Hu
TechNet Community Support
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Ok, let me preface this by saying that I've never used Xsan, so I'm not sure if I'm using the terminology correctly. Feel free to correct me or point me in the right direction so that I may provide better clarification.
I've got a new client who has about 5 tb of data locked up in a Netgear ReadyNAS that was set up as an Xsan device on a Mac Pro Server running Lion Server 10.7.4. This was set up by a previous IT services company, and we were preparing to move all of their data to a regular RAID NAS device (there is no use for an Xsan in this office environment) and initiate backup solutions. However, several days ago, the server's boot volume crashed fatally and could not be recovered. There was no backup of the boot volume, so we had to start again from scratch. Since reinstalling Lion Server on the Mac Pro, we have been unable to retrieve the data off of the Netgear ReadyNAS.
There is no backup of the data on the drive, so we're treating this with kid-golves as far as our approach. So far we've tired connectng to the NAS, but are only seeing a couple of shares that don't appear to hold any data. We've been on the phone with Apple's Enterprise Support Group, and been escalated up to the point of having to pay for higher-end supporty. At that point, we phoned Netgear Support to see what they could offer. They're kindly looking into it over the weekend by logging in remotely, but I'm here to ask if there's anyone here who might have experience with a smilar siuation.
I've been really hesitant to try and connect to the drive with Xsan Admin, as I want to ensure that nothing gets deleted. Does anyone have a suggestion as to something we might try to get at this data? It seems like it would be a simple matter of connecting to the drive, but that's proving to not be the case.I read this and began to shake. You should track down the solution provider and choke them.
I hate to be the one to tell you, but based on your post, the data is likely lost forever and this is for many reasons.
First, you do not describe the presence of a meta data backup. This is mistake number 1 of whoever set this solution up. Deploying an Xsan with a single controller is foolish at best, negligent at worst. Without it, you have no replication of the volume config information. Are there SAN clients in this scendario or was there just the controller and folders reshared over file services?
Next, you mention the boot volume failed with no backup. Based on this description, it sounds like the boot volume was not a mirror boot so all data was on one platter. The failure of that platter means the failure of everything. Your only recourse here is to send the drive out to a drive recovery service or attempt a controller board swap (fingers crossed it is just the controller that failed). With some luck they can recover enough of the drive to allow you to sticth this together. This is mistake number 2.
Next, the files that you REALLY need, /Library/FileSystems/Xsan/*, were never backed up. With the loss of the boot volume, these files are now not available. If the Xsan config files were present you could, in theory, stitch together a new controller and resurrect that volume.
And finally, you do not describe a backup solution for the San volume. Cry....
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I have Lenovo T430 laptop with Windows 7 and Bit Locker enabled hard disk. While working I encountered blue screen error multiple times. After some time, the laptop stopped to boot by itself and started showing error 'A disk read write error has occurred.
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Hi
My HD died on my G5 a few months back
I am wondering if it would be possible to recover data from it
The situation is this
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I didnt see the drives on the desktop but if i opened Disk Uility both drives on the G5 Are there
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B. Setup a disk drive just for repairs.
C. Get in the habit of using backup like SuperDuper
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SMART is not that helpful. When you tested in DW, it wrote to system log and shows how many spare blocks are left, used, which can be helpful.
TechTool Pro is 4.6.2 (5.0 is out also) and can scan a drive for weak/bad sectors.
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Hi there this is my first question here!
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It is unlikely that this will work, because I'm pretty sure that the Apple Store would have tried this. You could try using expensive software to get files off the drive, but it would be risky and the results might not be any good.
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Basics of File Recovery
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Need to recover data from Bootcamp partition
Hi, all,
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******Clicking the Thumbs-Up button is a way to say -Thanks!.******
**Click Accept as Solution on a Reply that solves your issue to help others** -
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Had a problem with my iMac, which was running Snow Leopard O/S. Data was backed up on Time Capsule using Time Machine, although recent back-ups had failed (but earlier back-ups had been OK). Apple support determined that I needed to re-install the O/S and they walked me through it. After blowing away all data (believing that once O/S reinstalled, could recover from Time Capsule), the reinstall failed. Took to Apple store, where they installed Lion at my request. Then tried to recover from Time Capsule, but couldn't do so. Sparse file doesn't work (it shows 10GB, which is wrong as it had several hundred GB's before due to lots of photos). Apple Support couldn't solve issue, believes it was corrupted with the last backup. Ultimately recommended that I have professional data recovery service recover data from the iMac hard-drive (as opposed to Time Capsule). Spoke to recovery service recommended by Apple, and it is very expensive (also, given the O/S reinstall, anything they recover will have new file names and no directory structure). They also said getting data off the Time Capsule is even more difficult and expensive to recover. I'm not a happy camper.
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Try to repair them, via Disk Utility (in your Applications/Utilities folder).
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My iMAC G5 has had it's second logic board failure in the past 1.5 years. The repair shop says it's going to cost $550 to repair, and Apple's not going to cover a 2nd board replacement under the extension program. Given that the computer's 4 years old, and was originally only worth $1200, I think I'm going to get a new Mac.
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Hey guys,
I am busting my head over here trying to figure out how to do this.. to make a long story short, I've had a very unlucky past few weeks. My iphone (4g 32gb) fell into the ocean and all the data I had is lost. But then I rememberd I can still recover it from the itunes backup. Ordered a new phone.. the phone just came and before I could do a recovery from it we had a power outage and my laptop got fried. I've been told that the motherboard is fried and since it was an old laptop I didnt bother trying to fix it. (I switched to a MacBook Pro early this year - although the syncing was done on the windows laptop). So.. I took apart the laptop, took the hard disk and connected it to an external USB enclosure. I can access all the data from the hard disk. My question is, can I use this hard disk to do a recovery on the iphone? The old laptop was running on Windows 7. I have access to another laptop with windows 7 & windows xp & mac OSX Lion
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Is possible to flush data from RAM to disk automatically ?
hello all,
My question is regarding to flushing of Data from RAM to DISK .
question is whether any flag set is available at Berekeley DB to flush the Data from RAM to DISK automatically( on any criteria whenever the pages in cache become full or some thing else).
Context is based on CDS with memory pool not Transactional.
thanks
Rath.hello Debsubhra Roy,
Thanks Debsubhra, thanks for your valuble comments.
Actually My objective is to periodically flush the in memory Data to physical database at Filesystem to minimize the write cycle of Flash.
based on your opinion, i have created a in memory Database in cache,and It is working fine with in cache memory, but problem is ,it is not flushing (exactly not creating) to a Physical file of "Database name" at the filesystem.
1.i checked with with below api 's for flushing,but not worked.
myEnvironment->memp_trickle(100,0);
myEnvironment->memp_sync(lsn);
mydbpDbHandle->sync(0);
2.Secondly my assumption is that ,whenever the Cache memory will fill,then it will flush the Data in to physical Database "TestDb" named at the Db->open () api.
it is also not working, it is showing exception of "cannot allocate space from Buffer cache " exception.
For better understanding i am pasting my sample code, please see that and give me a solution to reach my objective.
#include <iostream>
#include <db_cxx.h>
using namespace std;
typedef unsigned char byte;
struct DBKey
int iSerNum;
struct DBValue
int RolNo;
int Marks;
DbLsn *lsn;
int icount=0;
class DBEnvironment{
protected:
DbEnv* myEnvironment;
int percent;
int *nwrotep;
public:
DBEnvironment(){}
~DBEnvironment(){}
int ienvCreation()
myEnvironment = new DbEnv(0);
myEnvironment->set_flags(DB_DIRECT_DB,0);
myEnvironment->set_cachesize(0, 100*100, 1);
myEnvironment->set_shm_key(100);
myEnvironment->open("/root/Desktop/TestD", DB_CREATE|DB_INIT_MPOOL|DB_THREAD|DB_INIT_CDB| DB_SYSTEM_MEM,0644);
int ienvClose()
myEnvironment->close(0);
delete myEnvironment;
myEnvironment = NULL;
class Database :public DBEnvironment
private:
Db* mydbpDbHandle;
DbMpoolFile* myDbMpooFile;
public:
Database(){}
~Database(){}
int openDB()
byte breturn=false;
if(mydbpDbHandle == NULL )
mydbpDbHandle = new Db(myEnvironment, 0);
if(mydbpDbHandle->open(NULL,NULL,"TestDb", DB_BTREE, DB_CREATE|DB_THREAD,0644) ==0)
breturn = true;
int closeDB()
byte breturn = false;
if(mydbpDbHandle != NULL)
mydbpDbHandle->close(DB_NOSYNC);// 0
delete mydbpDbHandle;
mydbpDbHandle = NULL;
breturn = true;
int insertDB(const byte* cpkey, void* vpvalue)
Dbt dbtkey;
Dbt dbtvalue;
Dbc* dbcp = NULL;
DBKey mytkey;
DBValue mytdata;
byte breturn = false;
icount++;
int k;
try
if (mydbpDbHandle == NULL)
return(breturn);
memset(&dbtkey, 0, sizeof(dbtkey));
memset(&dbtvalue, 0, sizeof(dbtvalue));
dbtkey.set_data((void*)cpkey);
dbtkey.set_size(sizeof(mytkey));
dbtvalue.set_data(vpvalue);
dbtvalue.set_size(sizeof(mytdata));
mydbpDbHandle->cursor(NULL, &dbcp, DB_WRITECURSOR);
dbcp->put(&dbtkey, &dbtvalue,DB_KEYLAST);
cerr<<"\n "<<icount<<"inserted";
//flushing the Data ,whenever the icount reaches multiples of 10
k=(icount%10);
if(k==0)
//myEnvironment->memp_trickle(100,0);
myEnvironment->memp_sync(lsn);
mydbpDbHandle->sync(0);
cerr<<"\n sync called to flush.";
breturn = true;
catch(DbException ex)
cerr<<ex.what();
if(dbcp!=NULL)
dbcp->close();
dbcp = NULL;
return(breturn);
int iserachRecord(const byte* cpkey, void* vpvalue)
Dbt dbtkey;
Dbt dbtvalue;
Dbc* dbcp = NULL;
DBKey mytkey;
byte breturn = false;
try
if (mydbpDbHandle == NULL)
return(breturn);
memset(&dbtkey, 0, sizeof(dbtkey));
memset(&dbtvalue, 0, sizeof(dbtvalue));
dbtkey.set_data((void*)cpkey);
dbtkey.set_size(sizeof(mytkey));
mydbpDbHandle->cursor(NULL, &dbcp, DB_READ_COMMITTED);
if(dbcp->get(&dbtkey, &dbtvalue, DB_SET)!=DB_NOTFOUND)
cerr<<"\nRecord Found...";
memcpy(vpvalue,(byte *)dbtvalue.get_data(), dbtvalue.get_size());
breturn = true;
catch(DbException ex)
cerr<<ex.what();
if(dbcp!=NULL)
dbcp->close();
dbcp = NULL;
return(breturn);
int main()
Database* Dbp=new Database();
Dbp->ienvCreation();
Dbp->openDB();
DBKey Key,Key1,SearchKey;
DBValue Value,Value1,RetrieveValue;
for(int i=1;i<100;i++)
Key.iSerNum=i;
Value.RolNo=i+1;
Value.Marks=i+2;
Dbp->insertDB((byte*)&Key,(void*)&Value);
cerr<<"\n------------Search Results-----------";
SearchKey.iSerNum=10;
Dbp->iserachRecord((byte*)&SearchKey,&RetrieveValue);
cerr<<"\nkey is:- "<<SearchKey.iSerNum<<"\nvalue -RolNo:- "<<RetrieveValue.RolNo<<"\nMark:- "<<RetrieveValue.Marks;
// Dbp->closeDB();
// Dbp->ienvClose();
} -
Can I recover data from a reformatted hard drive? I did not complete a back up prior to talking to Apple Support and the guy having me delete the hard drive (10.5.8) and start anew (10.6.3). My bad but is all lost?? Years of very important information....
You will need to purchase reovery sofware such as such as FileSalvage
http://subrosasoft.com/software/filesalvage
You can download a demo copy that will tell you what it can recover
If you want to recover that you must pay for the software then
When you do the recovery, you will need another disk drive to receive the recovered files
Having install a new operating system on the disk after the retformat is going to gradually reduce the amount of data that this software will be able to recover for you
Allan -
How to recover data from bad hard drive
Once a hard drive goes bad (cannot get into the computer), is there any hope of recovering any data from it? If so, how?
Do you mean the hard drive is mechanically broken for sure? It's not a data corruption issue that is causing a problem with starting up the Mac, but maybe not be a bad mechanism?
If the drive is definitely broken, there are businesses that specialize in recovering data from bad hard drives. For example
http://www.drivesaversdatarecovery.com/ (I always saw their booth at MacWorld Expos...)
The cost of such services is usually high.
cannot get into the computer
So that probably means the hard drive in question is the internal drive? If you don't know for sure that the hard drive is physically broken, you can try starting up using your Mac OS X installation disc. Insert disc in optical drive and start up with the C key held down. When you get to Installer's screen, go up to the menu bar and run Disk Utility from the Utilities menu. Does the internal drive appear in the Disk Utility sidebar?
Alternately, if you have another Mac (that has FireWire), you can try starting the Mac with the problem in FireWire Target Disk Mode,
http://support.apple.com/kb/HT1661
Connect the "target" Mac to the other Mac (running normally) using a FireWire cable. Run Disk Utility on that Mac. Does the hard drive of the Mac in FireWire Target Disk Mode appear in the sidebar?
If you can get the internal drive to appear in Disk Utility, you may be able to run Repair Disk on the First Aid tab. There are also third-party utilities, such as TechTool Pro (Micromat), Drive Genius (Prosoft), and Disk Warrior (Alsoft), that may be able to fix (or at least recover data from) the hard drive. -
How do I recover data from my dead hard drive?
How do I recover data from my dead hard drive?
Is it dead or corrupt? There are recovery programs out there, however if your HD is head, paying pros to do data recovery is VERY costly. Some have removed the platters and installed them in likewise drives that dont have head crashes, but torque tolerances are tight, and doing it right is a bit advanced and tricky for most. Ive done HD disk swaps 4 times and had success 3 of the 4 times. It requires cannibalizing another working HD. In the future remember the golden rule, 2 copies is 1, and one is NONE.
Its likely you could find a local computer repair station that can do it for you cheaply. HD dont really "die", they have fried SATA bus, or crashed HEADS........the platters DO demagnatize over long time due to heat and degauss of the data (poor storage, etc).........but in specific, a HARD DRIVE DOESNT DIE ,.........only the flying head mechanisms that read and write the data, and SATA / bus that feeds the data DIES,.......but the data (unless corrupt or magnetically corrupted) is THERE
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