Qlogic does not have the new drivers for the latest kernel so we are not able to make the driver. They only had it for kernel 2.6.17 we are now 2.6.27. So we are waiting for them. If anyone has contacts to Qlogic please push them.
Is there still a limit of only one active snapshot per logical volume for the 64-bit kernel? We have a customer now that uses 3 active snapshots for each of their 4 logical volumes, rotating so that they can access data about one week old.
We will increase the number of Snapshots for 64bit mode to 10 this next release.
The total number of snapshots is dependent on the LVM, but 255 is a safe
number. There are, however, definite limitations as to the number of ACTIVE
snapshots: