how to know SSD endurance / how to know block count of LUNs

Dear All.

I have some questions about Unity.

Let me know answers of below questions, plz.

1) Do SSDs in same pool have (almost) same endurance?

I think that the Pool will have been risky states, if the anwer is "right"

After some years in High IO environment, two or more ssds must be failed around same time.

Does Unity have solution for this issue except proactive warning message?

2) how to know endurance of flash drives.

Regarding Question 1, I would like to lifetime of ssds.

3) how to know/configure the numbers of block counts of LUNs.

When configure replicate between unity(Dest.) and other array(Source), I should make LUNs by block count(usually 512Byte) in unity.

But, In unisphere/uemcli the unit is only showing MB, GB and TB.

Let me know this method.

Thanks.