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OverviewA unit server in Beijing accidentally offline, hot spare disk, replace the offline hard disk. However, the hot spare disk in the process, another hard drive offline, causing hot spare synchronization failed, two sets of RAID array crashes, LVM structure is incomplete, the file system is not working properly, the server data needs to be repaired. Two off-l
(more stringent), the discovery of some database files and log file errors, the system and the Sysaux table space has more than 100 bad blocks, 3 control files are bad block many bad blocks, control files are all corrupted Eschoolspace table space of 3 files of the bad block more, up to 1000; UNDOTBS02 lost; the database engineer fixes such files,Figure One:Figure II:"Database repair Process one: Repair Database"We created the control file, created the Undo table space, and started the database
computer, and then click OK. 5. Select the driver from the list of results, and then click Next. Follow the on-screen instructions to continue installing Windows 7. Updating drivers for computer chip sets In some environments, computers that use a specific type of chip set (part of your computer's internal hardware) and that have an advanced formatted hard drive may receive these errors. Installing the
Tips for solving eight Linux hard drive problems Cannot I write data to a Linux or UNIX-like hard disk? Do you want to solve the problem of disk damage on the server? Want to know why you always see the word "Disk Full" on the screen? Do you want to learn how to solve these problems? Try these eight tips to solve the hard
. However, this removable hard drive should be careful. There is a great deal of learning. 1, can not hand casually touch the circuit board on the back of the hard disk, because in the dry weather, people's hands may be with static electricity, this case with the hand touch the back of the hard disk circuit board, "st
Failure Analysis: The general new hard disk to be formatted before the establishment of a primary partition to use, and computer symptoms are most likely caused by this situation. Troubleshooting: Click "Computer" in turn, click on "Management-Disk Management", can see your hard disk, if you can see, the disk first format, and then in the primary partition. It i
The use of computer hard disk is always normal, suddenly there is a hard drive can not read and write, and sometimes can be identified. The above situation should be caused by CMOS settings. In CMOS, whether the hard disk type is set correctly is directly related to the normal use. Today's computers support the
The Windows 10 64-bit Professional version of the operating system was reinstalled yesterday, and suddenly the mobile hard drive was unusable.When you insert a mobile hard disk, you receive the following prompt: Mobile hard disk capacity 1T, brand memory Czech. This problem occurs when Windows 10 is installed on the
I installed the dual-System "fedora 18" on the win7 hard drive according to the network method and found many problems. I have solved the problem based on my practical experience and provided my own solutions. You are welcome to make a decision. First of all, read the content: I only use Linux environment without easybcd. Solution: Do not use easybcd to complete the har
:160,041,885,696 bytes Device is:in smartctl Database [for details use:-P show] ATA Version Is:7 ATA Standard is:exact ATA Specification Draft version not indicated local time Is:sat June 7 17:18:02 CST Smart Support Is:available–device has smart capability. Here, if you see the smart support is:disabled, it means that smart is not enabled If we need to execute the following command, start Smart: The code is as follows: Smartctl–smart=on–offlineauto=on–saveauto=on/dev/sda View the curr
Six principles of hard drive repair: 1. Multiple tests and less practices. When you have a hammer in your hand, everything looks like a nail. Some people have learned a disk repair command and want to use this command to try whatever problem they encounter. If all the methods have been used up and the hard disk has not been repaired, it will be useless. It may al
write slow, file loss but still occupy space and so on. So what if a soft failure in the USB stick causes the file to be lost? You can go online to download some similar to the top data recovery, calf data recovery, such as file recovery tools, I have used this tool to solve several times the USB drive and hard disk file recovery.In the event of a data crisis, i
, it will lead to raid and some of the offline hard drive, which may cause raid failure, unable to recover the data itself. Therefore, when a raid is processing a degraded state, such as a small amount of important data, it is recommended that the backup be done first, and of course this should be a different machine and not be backed up to the currently degrade
separate disks. When one of the RAID5 disk data is damaged, the remaining data and the corresponding parity information are used to recover the corrupted data. RAID5 disk array data loss for a number of reasons, or a RAID controller failure, or a sudden power outage caused by the RAID information error, may be RAID5 a hard disk error, not timely replacement, wait until the second
protected] robin]# Megacli-pdlist-aall# # #有如下样式的几段, which shows the actual number of hard drives (below is a piece of 500G SSD information)Enclosure Device id:32Slot Number:3Drive ' s postion:diskgroup:0, Span:1, arm:1Enclosure position:0Device Id:3wwn:50025388a0061518Sequence Number:2Media Error count:0Other Error count:0Predictive Failure count:0Last predictive Fail
1. Try to restore BIOS default settings A verifying DMI Pool Data error occurs when a new hardware is replaced or if the memory read or write parameter is set incorrectly, or if the hard drive mode setting is incorrect, try to restore the BIOS defaults, or optimize the BIOS settings as appropriate. 2. Hard drive Da
Failure Analysis: When we plug and unplug the hard drive, when you use it, you need to remove the icon of the removable hard drive in the taskbar tray area by removing the hardware icon. It often appears that "You cannot stop a universal volume device now." Please wait until
In the win7 ISO image download, this is a kind of and U disk often encounter the situation, before this, small series has introduced, in the win7 iso image download use U disk, appear unable to exit the situation we should be able to solve, then here, we will change the U disk is a mobile hard drive, How should we operate? The following, small series on the detailed for everyone to introduce it! Before tha
Now everyone is using a large hard drive (more than 80GB) if there is a bad way to trouble, recently encountered 1 customers in order to paint cheap bought a 2 hand 80G hard Drive, when restarting the system, always appear system file loss can not normal into the system, I use the
We all know that notebook hard disk than desktop computer hard disk is more likely to be bad, because the laptop easy to move, convenient, in addition to accidentally fell caused by bad hard disk, some netizens prefer not to shut down the machine but standby, and then casually bring the notebook to take, do not cherish their own computer, so the laptop
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