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dess pag sure dha bro.. hehehe
Unallocated gyd nang HDDs nga gikan ug RAID array once ipaslak na nmo ug lain PC. And im sure most companies would not allow us to bring confidential company data from HDDs outside the office.
Going back to thread topic, dili ko expert but i've had a few hands-on experience about Server RAIDs and recovery. I would never consider RAID as a backup, I would rather go for another backup solution using common backup types like full backup, incremental backup, differential backup and offsite backups using 1 or more servers. If data is very important for a company, then they would have to spend. Otherwise do not blame the IT, they can't control if a hardware failure occurs
It is not very common for a PCIe RAID cards to fail especially with cached battery, but never assume that it will fail. Usually if it does, replacing it with the same RAID controller will automatically detect the previous RAID array configuration from the HDDs. Take note pud, if naka connect mga HDDs sa PCIe RAID card controller, di na nmo makita sa BIOS but only through the RAID controllers' interface. Accessible ni cya past the BIOS POST screen (CTRL-A for Adaptec, CTRL-R for Avago/MegaRAID, CTRL-I for Intel RAID). It is also accessible through GUI sa Windows, just need to install the specific software for the card.
Personally I use R-Studio or R-Linux for HDD recovery. It may take some time to do this and you also need a bunch of HDDs. File recovery best practice is to never place the recovered files on the same HDD.
Hope naka hatag ni ug idea sa uban