HPE MSA Cannot See LUN?
Cannot See LUN KB ID 0001862 Problem I finally got round to replacing the SAN on my test network, I setup the new one via direct cable connection (10Gbps iSCSI DAC). I created vDisks and volumes, presented those volumes. Setup iSCSI bindings in vSphere, all vanilla stuff. ESX hosts could not see the storage LUNS, they could see the SAN, but ‘add datastore’ showed me no available storage. Solution: Cannot See LUN Two...
vSphere Adding iSCSI Storage
vSphere Adding iSCSI KB ID 0001378 Problem iSCSI storage is nice and cheap, so adding iSCSI 10/1Gbps storage to your virtual infrastructure is a common occurrence. vSphere Adding iSCSI Solution (vSphere 7/8) Add a Software iSCSI Adaptor: Select the host > Configure > Storage Adapters > Add > Software iSCSI adaptor > OK. After a few seconds you should see it appear at the bottom of the list. Create a vSwitch and...
VMware: Change IOPS Limit From 1000 to 1
KB ID 0001532 Problem I got asked to do this by a client this week, HP has requested that this be set for connections to their Storevirtual VSA that had been having some problems. Solution I followed the instructions and was at first confused because I could not see the settings that needed changing? That’s because this only applies if you have MULTIPATHING enabled and set to ‘Round Robin’. So if your storage does...
VMware ‘Disable DelayedAck’ Does Not Work?
KB ID 0001525 Problem I’ve got a client that’s been having some performance issues with their VMs. Their storage vendor, (EMC) said that as a result of finding this in the logs; B 02/28/19 09:50:53.953 scsitarg 117000e [INFO] System: iSCSI Logout Initiator Data: IP=192.168.200.161 Name=…-ec-21 Target Data: Port=2 Flags=0x00002002 Info=0x01200801 B 02/28/19 09:50:53.969 scsitarg 117000e...
Windows Server: Connecting to iSCSI Storage Using MPIO
KB ID 0001392 Problem In my scenario my Windows Server is a VMware virtual machine. To enable MPIO (Multipath I/O) I’m going to need two network cards, connected to the two iSCSI networks. Above I’ve shown both iSCSI networks in different colours 192.168.51.0/24 and 192.168.50.0/24 in production I would also have these in their own VLANs, (or even separate physical networks). This article is not about setting up your...