ONTAP Discussions

About disk ZCS/BCS question

Demon-Huang

I have serveral questions about disk want to ask.

 

1、

What is the advantage of using a 520-byte sector on a disk than a 512-byte sector?
Can I use 512-bytes sector disk and 520-bytes sector disk in the same raid group?

 

2、
ZCS is use the ninth block to checksum.
BCS is use the Sixtieth-four block to checksum.
After the raid group is created.
Can I understand the raid group have double checksum ?
BCS/ZCS and checksum disk.

 

3、
How BCS/ZCS work?

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