Case:IBM Server (RAID10) -The hard disk offline, server failure, system is Windows 2003 Solution:The user’s 4 hard disks form a RAID10. When a failure occurs, the two disks that are mirroring are offline due to a bad sector, which causes the RAID10 to fail and the array cannot be started.After testing and analysis, the laid…
Case:A IBM Storwize V5000 server, using RAID5 for 24*300GB SAS disks.The system environment is RHEL5. There are 3 LUNs on the storage, one LUN where the Oracle database backup file is located; the other two LUNs are LUN where the Oracle production library of the ERP system is located.Because the two disks are offline, RAID…
Case:IBM 3650 server, hanging a LUN of about 1.5TB of optical fiber.The server operating system is RHEL5.4, equipped with a single node Oracle10.2.0.4.Oracle database cannot be started in a downtime accident. Solution:The engineer guides customers to store mirrors and mirrors on a 2TB hard disk.The engineer extracted the database and mounted it to the Linux…
Case:A company’s IBM server has been used for 5 years. RAID5 composed of 4 73GB hard disks. The server can run normally the day before. The next day, it was found that the server could not start. Solution:After I recovered the center’s hard disk, I tested that there were no hardware failures and no logical…
Case:The IBM server has been used for 5 years. RAID5 consisting of 4 73GB hard disks. The server can run normally the day before. The server was found to be unable to start the next day. Solution:After the engineer received the hard disk, there were no hardware failures in the test of 4 hard disks,…
Case:A company server IBM AIX+Oracle+LVM (6 plates), Oracle database file loss and DMP backup file loss, urgently need to restore Oracle database files and DMP backup files. Solution:According to engineers, the 6 plates of the AIX array server summarized the storage method of the AIX operating system itself, rather than the RAID5 structure described by…
Case:In the morning, I received a call for help.According to experience, this should be caused by the loss of raid information.Because it is a foreign customer, it is inconvenient to come to the door, and the customer decides to drive over to repair it.In the afternoon, the customer came to our company in a hurry,…
Case:IBM Four Disk 146G SAS Disk, RAID damage Solution:1. For the current non -heat -reserve hard disk with a well -operating state, complete backup to a security storage with redundant functions, the hard disk that exists in physical problems must be restored according to the corresponding faulty type solution, and the maximum possibility of the…
Case:Customer IBM server, 4 SAS hard disks, 300G.The operating system is: Windows Server 2003 is mainly a file server, and there are several SQL2005 databases.The server cannot start, and the hard disk 3 and 4 report an error. Solution:Our engineers conduct physical mirrors of the four hard disks of customers. After testing, the 3 and…
Case:The customer describes the RAID5 made of 6 SAS 500G hard disks of the IBM server. There is a plate of disk. If you want to replace it with a good disk, the 3 plates are offline when you insert it. The system cannot start.Important database. Solution:The engineer received the six SAS hard disks on…
