October 11, 201312 yr I am wanting to replace a faulty hard drive with a larger one. However, after reading several post in the forum, I am not sure my system will be protected during the installation process aganist an additional drive failure. Is there anyway to avoid this possibility? I have replaced drives in the past following the instruction in user manual but I was unware of this possibility. Ignorance is bliss?
October 11, 201312 yr Yes, parity only protects against a single failed drive and you're not protected during a drive upgrade.
October 11, 201312 yr During the replacement process there is no way to protect your array, if another drive fails catastrophically during the parity rebuild you're sunk. RAID simply isn't a replacement for backups. Sent from a mobile device, sorry for any typos.
October 11, 201312 yr RAID simply isn't a replacement for backups. +1 ... a point often not recognized
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