good scalability and is easy to expand the backup of New Application Data.
The dual-Machine Fault tolerance system combines the security and reliability of the disk array products with the advantages of the dual-Machine Fault Tolerance Technology and high availability. The disk array has made many optimizations and improvements to the dual-host Fault Tolerance Technology to meet the connection requirements of the dual-host hardware. Based on the actual situation of the application environment,
drives, and single tape drives. On disk storage, Dell products cover SCSI, SAS, SATA, FC, and other storage media, they can build Das, NAS, SAN and other storage architectures, fully meet the customer's "breadth" of storage facilities requirements.
While satisfying the diverse storage needs of users, Dell has been committed to extending the storage product line to the high-end, from "depth" to meet the needs of high-end users to build large data resource centers. In terms of networked storage,
disks, the reconstruction may fail. The solution is to perform regular or other error checks when the array is healthy. Generally, the hardware array card is inserted into the motherboard PCI/PCIX/PCIE/or the RAID 5 integrated into the motherboard. There is no data inspection scrub function at all. Enterprise-level data storage, such as IBM DS3000/4000/5000, DELL md3000 .... etc), but you cannot see the check result. You can see at most the CRC failu
data patrol.General hardware array card, that is plugged in the motherboard pci/pcix/pcie/or motherboard integration of the RAID5, there is no such function;Enterprise-class data storage, but only to the disk array level (such as IBM Ds3000/4000/5000,dell MD3000....ETC) have such features, but you also do not see the results of the inspection, up to the log to see a hard disk CRC failure, and then jump out of the red light, Array Cabinet alarm notifi
[In-depth understanding of MySQL series] Note: This series of articles mainly discusses some knowledge points related to MySQL memory utilization and execution plan, thus laying a better foundation for MySQL optimization.
Author/translator: Ye Jinrong (Email:), Source: http://imysql.cn, reproduced please indicate as/translator and source, and cannot be used for commercial purposes, offenders must investigate.
Note: This series of articles mainly discusses some knowledge points related to MySQL m
as Dell MD3000 (12*1TB RAID5). If the data is especially urgent, you can recover the data to another storage medium directly in a read-only manner, under the premise of soliciting the customer's consent, as shown below.
3, to do a good 12 hard disk image for logical analysis, the focus is: Disk sequence (these 12 hard disk in the original controller of the combination order), block size (that is, the stripe size of the original RAID), check mode (ch
/windows2003/oracle10g(Machine 2): Application ServerDell's Poweredge2950/e53201.86ghz Eight thread/7.99g memory/136g/windows2003(Machine 3): FTP serverDell's Poweredge2950/e53201.86ghz Four thread/3.99g memory/136g/windows2003(Machine 4): storageDell's MD3000/1T/RAID1Ridiculous configuration, compared to the highest performance of the server used to the application server, the database server and an FTP server the same configuration. It is strange to
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