corresponding disks for DISK160,,ASM disk 17 corresponding disk163, according to the first feeling is likely to be disk161 and disk161 two disk anomalies, let the room check hardware without any alarms
OS level Analysis
Omitting records unrelated to this conclusionLs-l/dev/rdiskCRW-RW----1 Oracle DBA 0x000070 1 2016 disk160CRW-RW----1 Oracle DBA 0x000073 1 2016 disk163Ls-l/dev/diskBRW-R-----1 Bin Sys 1 0
[Data recovery failure description]
An HP DL380 G4 server that uses the HP Smart Array controller to mount a homemade disk array consisting of a set of 14 146G SCSI hard drives in a group of RAID5.
Operating system for Linux, built Nfs+ftp, as the company's internal file server use.
Because the room moved, the admin
HP Server is one of the most popular low-end servers. Some server failures, such as the server hard disk is not the line, the server does not go to the system can not boot and so on is also a common server failure, and for these different failures occur data loss problem, HP Server can be data recovery? If so, what's t
Label:A Beijing real estate company, an HP Dl380g7 server, because of physical damage to multiple disks, resulting in raid crashes, data loss. The HP Dl380g7 server runs a Kingdee EAS system with a background of more than 40 GB of Oracle database, and the database data is very important. The HP Dl380g7 server is plugged into 8 146GB SAS disks, and each 4
Compression? (Y/[N])? Y
When backup finished, system will show: Done!
Copyutil> exit
3) recover data to the specified system hard disk
Copyutil> restore
Enter the tape index ([Q]/?) : 2Enter the disk index ([Q]/?) : 0
Use Data Compression? (Y/[N])? Y
After system display: restored successful, that means restore is finished!
Copyutil> exit
4) Note:
When copyutil is used to back up the root
) this.width=650; "src=" https://s1.51cto.com/wyfs02/M01/8C/C9/wKioL1h4fBiwu-YMAAEHz5eqgZ8481.jpg "title=" 1.jpg "alt=" Wkiol1h4fbiwu-ymaaehz5eqgz8481.jpg "/>2, analyze the cause of the failureSince the first two steps did not detect a physical failure or a bad path to the disk, it may be inferred that some disk read-write instability caused the failure to occur. Because the
HP-lefthand underlying structure details and storage disaster recovery
I. Features of HP-lefthand
HP-lefhand is a very good SAN storage that uses the iSCSI protocol to allocate space for clients. It supports RAID 5, raid 6, and raid 10. It also supports volume snapshots and dynamic volume resizing. Common models includ
Preface
I have been working for more than two months without knowing how to update my blog because I have to learn many things at work. Recently, my BOSS gave me a very difficult task, which puts a lot of pressure on me! That is a hospital's HP-EVA4100 data recovery. Although BOSS told me all EVA's internal algorithms, it is still very tricky. However, we finally made unremitting efforts to restore the EVA4
Delete Sam file, clear Administrator account password
Find the password from the SAM file
1.l0phtcrack (LC)
2.LCP
3.SamInside Pro
Third, with net user command to restore the system login user password
Set up new password with password reset disk
V. Modify the screensaver file method
VI. Use software to modify passwords
Windows XP NT Password Recovery Key
Cleanpwd
Offline NT Password Registry Editor
Wintern
. Because the user is a leader who doesn't know anything about the computer, I don't want to modify the settings too much to avoid future troubles, so I re-installed the VISTA system. All the way OK.
The new situation is that the WINPE system is suspended from the CD. However, you can start GHOST from the CD for backup. In early January, the company bought a new HP laptop (I can't remember the specific model). The hard
Back up all data on the local disk to tapeBy default, you do not need to specify the file system device number. The value is "/dev/RMT/0 m ". However, if this device does not contain tape media or you need to apply other devices, you must add the parameter "-d" and specify the device number.
# Make_tape_recovery-AVOutput result:* Creating local directories for configuration files and archive.
======= 11/28/06 14:40:15 eat started make_tape_recovery. (
Yesterday using EASYBCD software, began not to understand, hand win10 the boot removed, and later found that the computer shutdown always turned into a reboot, helpless forced shutdown. Today restarted the computer, found that the computer has been unable to open, it is understood yesterday was mistakenly deleted Win10 BCD.(memory) After booting into a prompt interface, press ESC to enter a new interface, and then press F11 to enter a system backup recovery
The Recovery Console is a tool used by Windows 2000/xp/2003 to repair a system that enables and disables services, formats drives, reads and writes data on local drives (including drives that are formatted as NTFS file systems), and performs many other administrative tasks. It is our "magic weapon" to repair the system even when Windows 2000/xp/2003 Safe mode is
For details about the/dev/null and/dev/zero files, and solutions for accidental deletion of/dev/null and/dev/zero, and the disk I/O Testing Method Using/dev/zero, disk deletion and recovery by mistake1. Introduction-explanation from Wikipedia/dev/null:
In Unix-like systems,/dev/null, or an empty device, is a special device file that discards all data written into
to take the disk to the company recovery). Read-only and do not write, in the backup mirror disk operation, protect the original disk data is not damaged, safe recovery, holidays do not rest.Attached: RAID5 data recovery, raid5e
In RAID array data recovery, we often encounter simple structure such as RAID1, RAID0, RAID5 and so on array data recovery, such array data recovery is generally difficult, the data recovery success rate is higher. However, when encountering complex structure of array type, such as composite array structure raid0+1, ra
" under the main menu, in the dialog box that appears, select the storage location of the recovered file. In this case, you can restore the deleted file by mistake in Win9x/Me.
2. Solutions in WinNT/2000
In other words, how to restore a deleted file in the NTFS partition. For this relatively simple requirement, File Scavenger (http://www.quetek.com/) is fully qualified. Of course, File Scavenger is very targeted-it can only be used in WinNT/
General Introduction to hard disk data recovery software:
Easyrecovery, finaldata,r-studio,drive Rescue, Recover4all,file Scavenger, Getdataback,recovernt,search and Recover, Dataexplore,lostfound, PCTools (DOS) 、。。。
Easyrecovery
Easyrecovery is a very famous veteran data recovery software. The software features can be said to be very powerful. Whether it is m
F key to perform quick repair. The Registry restored by the installer is the Registry created when Windows 2000 is installed for the first time. Quick fixes do not require additional user interaction operations.
Follow the prompts and insert ERD when prompted. If you have an original Windows 2000 CD, you can have the installer verify that the disk is damaged ).
Document directory
Data Recovery
Password Recovery
Hard Disk Partition tables or data loss is a headache. Fortunately, a considerable number of tools are available to restore data.
I had the honor to experience testdisk, recover a partition table on the hard disk, and retrieve important data. The entire process to
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