2024-12-02, 03:07 AM
You are a PC tech commenting on server issues.
>> dispel some myths: You can "refurbish" a drive. ...This is mostly false; the most you can do is clean it up, and replace the controller.
SAS drives have a mandatory command for a true low level format. There are also several other SAS instructions perform an rough OEM equivalent refurb.
SATA drives have security commands that will occasionally revive drives. Some consumer drives have the refurb tools available.
>> Beware of bit rot.
Run SAS, low level format your drives every few (4-5) years. Track your CRC and related errors, this is a perfect predictor of rot. Run linux MD RAID, UnRAID or SnapRAID with a IT adaptor, ensure you scrub. Configure alerts.
>> dispel some myths: You can "refurbish" a drive. ...This is mostly false; the most you can do is clean it up, and replace the controller.
SAS drives have a mandatory command for a true low level format. There are also several other SAS instructions perform an rough OEM equivalent refurb.
SATA drives have security commands that will occasionally revive drives. Some consumer drives have the refurb tools available.
>> Beware of bit rot.
Run SAS, low level format your drives every few (4-5) years. Track your CRC and related errors, this is a perfect predictor of rot. Run linux MD RAID, UnRAID or SnapRAID with a IT adaptor, ensure you scrub. Configure alerts.