Case:HP388 G8 server, the bottom layer is RAID5 made of 6 SAS 500GB disks.The operating system is RHEL 5.5, which stores a background of the company’s application to a large number of PHP web files and mysql databases.RAID’s multiple disk faults are offline, causing RAID to collapse. When the administrator attempts to restore RAID later,…
Case:A company’s file HP server storage suddenly all the hard disks are bright yellow lights, and the server cannot access the RAID5 hard disk arrays. Solution:Customers directly move the file server to my data recovery center for data recovery. The HP server consists of 7 enterprise -level CorIC 500GB hard disks for RAID5 disk arrays.First…
Case:One HP ProLiant DL580 G7 server, 6* 300G SCSI hard disk RAID5, Windows operating system, file system is NTFS.There are two hard disks alarm, one piece of data is lost, one is offline Solution:The engineer uses the data of each disk to make an image; analyzes RAID information through the structural characteristics of the file…
Case:The server is RAID5 composed of 3 disks.The client calls the three plates, one plate and a plate of red lights, a plate of light, and the server cannot start. Solution:The company’s server engineer was tested and found that the server No. 0 has a large number of bad sectors, and the magnetic head 2…
Case:The customer’s server is the HP ML370G4 server hard disk with a 2.5 -inch SAS interface with a total of 2 and a capacity of 146G.Run Windows Server 2003, the application system is high -beam management software.The database customers say that the power room is very unstable for the power supply room. The server has…
Case:The customer’s server is the HP ML350G4 server. It was originally a RAID5 made of three 146G hard disks. The customer expanded three hard disks. It made a new set of RAID5 and put all production data on this new RAID5.The server suddenly power off. After restarting, the two groups of RAID5 could not work…
Case:HP EVA4400, 5*12 blocks 1T physical disk, all storage spaces form two Storage Group, allocating Lun about LUN: 9TB 1, 8TB of about 4, LUN mapped to two Windows Server.After the device is restarted, all Lun mounted to Windows is not initialized. Solution:1. Back up the fault storage in a read -only way, and then…
Case:HP EVA6400 disk arrays, storage of a total of 144 1T hard disks. Earlier in the storage that cannot be used normally, Ungroup has 4 hard disks. After 4 hard disks are out, there are 15 disks yellow lights to report to the police, but storage is okay.Used normally, when the 16th plate starts the…
Case:HP EVA4400, 5*12 blocks 1T physical disk, all storage spaces form two Storage Group, allocating Lun about LUN: 9TB 1, 8TB of about 4, LUN mapped to two Windows Server. Solution:Back up the fault storage in a read -only way, and then no longer operates the original storage. The specific implementation rules are about: divide…
Case:Customer’s HP Proliant DL580 G7 server, RAID5 made by 6* 300G SCSI hard disk, Windows operating system, file system is NTFS.There are two hard disks alarm, one piece of data is lost, and one is offline. Solution:The engineer first uses the data of each disk as a mirror image; analyze the RAID information through the…
