Questions about RAID 5

wissal · Created Sep 18, 2021 18:30:30

Hello,

1- When RAID5 reads data in the normal state, there is no need to read the verification information, and the verification information will be read only if one block is faulty.

2- As for the concurrency mentioned by the host, this needs to be described in detail by the host. Generally speaking, RAID5 has at least 3 disks, and 9 disks are generally recommended for RAID5.

Thanks

wissal · Created Sep 18, 2021 18:30:30

Hello,

1- When RAID5 reads data in the normal state, there is no need to read the verification information, and the verification information will be read only if one block is faulty.

2- As for the concurrency mentioned by the host, this needs to be described in detail by the host. Generally speaking, RAID5 has at least 3 disks, and 9 disks are generally recommended for RAID5.

Thanks

user_3134129 · Created Sep 18, 2021 20:04:56

1. No. Data on disks have verification code, so you know about data validity without reading additional information
2. Any quantity of RAID5 disks (>=3) give possibility to read more than 1 disk simultaneously

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