Blog

1 3 4 5>

 

03.03.2014
Silent Data Corruption is the worst type of disk error. These errors are caused by bugs in drivers and disk firmware, memory errors, drive-head crashes, as well as similar software and hardware problems. Silent errors that occur during the write to disk process are the most dangerous, as there is no indication that the data is incorrect.
More
11.02.2014
Reading large data blocks from RAID storage appliances, normally requires that disk array reads from each drive, combines fragments and passes on to the external interface such as FC, iSCSI, IB or SAS. Each drive in the array has a difference speed, and even same model disks have slightly difference response times. Plus, seek time might differ depending on where the heads were on each disk in the array before the read request came in. Therefore, drives will complete the read request at different points in time.
More
1 3 4 5>