lsblk -f output

The output with lsblk -f looks like this.

It also shows more than once on other discs on the server, is this a problem?

Also, is it normal for local discs on the server to appear as mpath?

Code:sdz
sdz1 ext3 503b1fe8-45e1-4f1f-6db5-2c19994e2df2
mpathf
mpathf1 ext3 503b1fe8-45e1-4f1f-6db5-2c19994e2df2 /otp
sdan
sdan1 ext3 503b1fe8-45e1-4f1f-6db5-2c19994e2df2
mpathf
mpathf1 ext3 503b1fe8-45e1-4f1f-6db5-2c19994e2df2 /otp


sds
sds1 ext3 503b1fe8-45e1-4f1f-6db5-2c19994e2df2
mpathf
mpathf1 ext3 503b1fe8-45e1-4f1f-6db5-2c19994e2df2 /otp
sdag
sdag1 ext3 503b1fe8-45e1-4f1f-6db5-2c19994e2df2
mpathf
mpathf1 ext3 503b1fe8-45e1-4f1f-6db5-2c19994e2df2 /otp