random thoughts at best
After a disk has faulted, the disk goes into a transitioning or an equalizing state. EMC uses different terminology to describe the action of repairing a faulted disk. Transitioning or equalizing times can vary based on the type and speed of the disk but your SAN utilization will have a direct impact on how fast […]
Quest (Vintela) Authentication Services (VASD) provides schema extensions to Active Directory to authentication against LDAP by providing SID to UID/GID mappings and vice versa. In multiprotocol environments that provide NFS and SMB protocols to the same underlying data it becomes tricky with permissions and file ownership since it must be maintained in the *nix and […]
Restarting the Management Services for EMC Unisphere is simple and it does not require an outage. The process will require you to log into each Service Processor separately through a web interface. 1. Open up a web browser and goto https://<Service Processor IP/FQDN>/setup 2. Login using the ‘sysadmin’ user account and password. 3. Scroll down to […]
Here is a list of good commands that I use frequently when working with an EMC SAN, in particular, a Celerra or VNX series. Enjoy! Summary: Gets the disk information, state and other metrics. Note: that 1_1_14 is Bus 1 Enclosure 1 Disk 14. Command: Result: Summary: Get all LUNs that are trespassed (not on […]