Scenario: I needed to add another Equallogic to our existing group but couldn’t remember the group membership password (or to be more accurate , the password I had stored didn’t work!) This is extremely easy and has no affect on the running/settings of the current group. Firstly telnet or SSH to your device (make sure Read More…
Month: May 2013
No Datastores Accessible – VDC 5.1
Scenario: I provisioned a new datastore (VCLOUD2) then added it to the Datastore Cluster vCloudDatastoreCluster). Shortly afterwards Igot the error "No datastores accesible to VDC" and my original datasore (vCloud1) had disappeared. OS: Esxi 5.1 / vCloud Director 5.1 My original setup I then added VCLOUD2 to the DS Cluster. (drag datastore into the Read More…
Permanently Unpresent a LUN in ESXi 5.x and Equallogic – 6 Simple steps
The following is a quick tutorial on removing a VMFS datastore from an ESXi host 1) Do the pre-requsite checks Ensure : – The datastore is not part of the Datastore Monitoring (HA). – SIOC is disabled on the datastore. – The datastore is not part of a SDRS cluster OR part of a datastore Read More…
ESXi 5.1 Host Shows : 0% CPU, 0% Memory and 0 Second Uptime
Scenario: We just restarted our vCenter process (via Services on Windows 2008 R2). Once restarted one of the hosts (esxi0) decided not to show any statistics. Automated DRS then began to move a bunch of VMs off to the rest of the cluster. All the VMs were in functional order. The realtime performance data had stop Read More…
Error unmounting VMFS : The vSphere HA agent on host ‘‘ failed to quiesce file activity on datastore
Scenario: When unmounting a datastore I got the following error on an ESXi 5.1 hosts: The vSphere HA agent on host ‘<host>’ failed to quiesce file activity on datastore ‘/vmfs/volumes/xxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxx’. To proceed with the operation to unmount or remove a datastore, ensure that the datastore is accessible, the host is reachable and its vSphere HA Read More…
Convert a MS SQL 2008 Database to SQL 2005
Scenario: We developed a database in MS SQL 2008 but wanted to house it on MS SQL 2005 server. To convert it to SQL2005 use the following steps: 1) On the SQL Server 2008: Find the DB you want to convert Right click the DB (GreenDB in our case) -> Tasks -> Generate Scripts. This Read More…
Equallogic VMware iSCSI LoginTimeout Settings
We were looking to upgrade firmware on some Equallogic SANs and therefore the timeout settings when a controller restarts. The hosts connected to this are all ESXi 5.1 From VMware documentation: Extend the iSCSI login timeout on the ESXi host to 15 – 30 seconds Source: VMware Equallogic From Dell documentation: VMware patch Read More…
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