hi all, 

i do not understand this point :  "Multiple Databases per volume let you have both active and passive databases on the same volume " ok right

it was also possible in Exchange 2010 in jbod configuration...

in place in our orga 2010.

2 dag member : 2 disk par server

disk 1 :

DB1 + logs active

DB2 + log passive

Disk 2

DB2 + logs active

DB1 + log passive

it s the reason why i dont get the enhancement for this point..

can somebody kindly explain me why Multiple Databases per volume in ex 2013 is a new feature?

regards,

In 2013 , using multiple databases per volume with JBOD is suported. Not so with 2010.

https://technet.microsoft.com/en-us/library/ee832792(v=exchg.141).aspx

Supported: When using JBOD, divide a single disk into two volumes (one for database; one for log stream).

i think i get it.

in 2010 it was possible but not supported.

Now because of decrease of IOPS in 2013 it is officially supported.  right ?

i got confused because of that :

"Multiple databases per volumeis a new JBOD scenario available in Exchange 2013 that allows for active and passive copies (including lagged copies) to be mixed on a single disk"

https://technet.microsoft.com/en-us/library/ee832792%28v=exchg.150%29.aspx#Best

• Proposed as answer by Jared Van Leeuwen 15 hours 42 minutes ago

i think i get it.

in 2010 it was possible but not supported.

Now because of decrease of IOPS in 2013 it is officially supported.  right ?

i got confused because of that :

"Multiple databases per volumeis a new JBOD scenario available in Exchange 2013 that allows for active and passive copies (including lagged copies) to be mixed on a single disk"

https://technet.microsoft.com/en-us/library/ee832792%28v=exchg.150%29.aspx#Best

Yep! https://technet.microsoft.com/en-us/library/dn789066(v=exchg.150).aspx

i think i get it.

in 2010 it was possible but not supported.

Now because of decrease of IOPS in 2013 it is officially supported.  right ?

i got confused because of that :

"Multiple databases per volumeis a new JBOD scenario available in Exchange 2013 that allows for active and passive copies (including lagged copies) to be mixed on a single disk"

https://technet.microsoft.com/en-us/library/ee832792%28v=exchg.150%29.aspx#Best

• Proposed as answer by Jared Van Leeuwen Friday, April 17, 2015 3:44 PM