Case:Customers find our center to help restore OULOOK emails. According to the customer’s description, the hard disk will be installed from the newly installed operating system, forgetting to back up the OULOOK mail, and needs to restore OULOOK emails. Solution:First, the engineer mirrors the customer’s hard drive, and then analyzes the mirrored file. The customer’s…
Case:IBM AIX system, the important data of the traffic management system in the storage, is organized by the Oracle database.There are more than 200 Oracle data files in the file system that need to restore the data, without other files. Solution:After a complete backup of the fault disk, the internal structure of the Oracle data…
Case:A company’s Oracle database server fails. The database is stored in the RAID5 array, and the disk array composed of 7 SAS 300G server hard disks is lost due to the drop information of the No. 1 hard disk and No. 4 hard disk. The array collapses. Solution:For data security considerations, the customer company requires…
Case:HP-UX small machine is connected to HP EVA storage, and the logical volume (LUN) of 1TB (LUN) is divided from EVA. The LVM logic structure is a VG only contains 1TB physical hard disk (PV). In this VGDivide 13 LVs.Use in the production environment. At a certain time, the client cannot be accessed. Check the…
Case:HP-UX small machine is connected to HP EVA storage, and the logical volume (LUN) of 1TB (LUN) is divided from EVA. The LVM logic structure is a VG only contains 1TB physical hard disk (PV). In this VGDivide 13 LVs.Use in the production environment. At a certain time, the client cannot be accessed. Check the…
Case:Customers are Windows operating systems. The database is Oracle 11G, which is HIS database, and stores on a disk array. Due to the frequent use of the database, there are many fragments, and the emergency file system is damaged. After CHKDSK, a large number of table files become 0. Solution:Engineers comprehensively retrieve the database pages…
Case:Customer Windows operating system, the database is Oracle 11G, which is HIS database, stored on a disk array. Due to frequent use of databases, there are many fragments, and the emergency file system is damaged. After CHKDSK, a large number of table files becomes 0. Solution:Engineers comprehensively retrieve the database pages in the file system…
Case:The customer’s IBM DS4300 storage array, the operating system is AIX, and the file system is JFS2. One day, when the engineer maintains the data overtime, the RM command is executed, and the Oracle database files, control files, log files, etc. are deleted. Solution:The engineer first backup the file system data DD and produced a…
Case:Customer’s very important business database is stored on a Dell server. The RAID5 array 7 SAS 300G 15000 rotor server hard disk is lost due to the drop of the No. 1 hard disk and No. 4 hard disk. The array collapse. Solution:The engineer first processed the hard disk No. 1 and No. 4, and…
Case:A set of OA systems in a county in a province, the system is Windows 2003X64, and the database uses Oracle 11.2.0.1 to be a single -u0026 Garma environment.One day, because of the storage, the OA system was busy during power off, causing serious damage to the Oracle database.The latest database backup is a few…
