Recently saw the following problem from a customer: They are using Acronis Backup to store their backup on a server powered by DSS V6. From time to time the backup run failed due to an unknown network problem. Luckily the first question we asked them when they called us was about the RAID controller cache settings. Bingo! They told us the RAID controller cache was OFF and the cache mode was set to “write through” [...]

I guess that all of us know that caching the data usually increase the performance, but I worried if all of us are aware about risk that caching the data provides and how to minimize them? That’s the reason why I decided to write this short article about it. Therefore, let us analyze the situation when we are using device (HDD) connected to our OS via iSCSI. Server that provides this device as LU through [...]