Talk:High performance SCST iSCSI Target on Linux software Raid: Difference between revisions
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Hello, | Hello, | ||
I have read though this article and made my own iscsi storage device for vSphere. I also managed to get the Multipath working, together with using | I have read though this article and made my own iscsi storage device for vSphere. I also managed to get the Multipath working, together with using vmware's round-robin mpio. | ||
-- | The image below shows my configuration, using a home-made server with Raid 50, two switches and an off-load iSCSI NIC with two ethernet ports. The storage server runs an Redhat-Linux with the scst-iscsi daemon. | ||
[[File:Home-made-san.jpg]] | |||
To configure mpio I have done the follwing steps: | |||
* configure routing on the storage server: | |||
route add 10.252.0.11/32 eth1 | |||
route add 10.252.0.12/32 eth2 | |||
* manually add the corresponding ip-address to the nic (10.252.0.13 to vmhba34 and 10.252.0.10 to vmhba33) | |||
* if I do ping-tests from the storage-server to the esxi-box, the packets come back from the expected interface | |||
* the statistics (eg ifconfig) of the two nics show about the same throughput, indicating the mpio is working fine. | |||
* I do not have any experience with vSphere 5 | |||
* if you are using the software-iscis from ESXi, you may use two different subnets. I have not testet this, so it is mainly an idea. | |||
Revision as of 10:28, 18 December 2012
Hello, I have read though this article and made my own iscsi storage device for vSphere. I also managed to get the Multipath working, together with using vmware's round-robin mpio.
The image below shows my configuration, using a home-made server with Raid 50, two switches and an off-load iSCSI NIC with two ethernet ports. The storage server runs an Redhat-Linux with the scst-iscsi daemon.
To configure mpio I have done the follwing steps:
- configure routing on the storage server:
route add 10.252.0.11/32 eth1 route add 10.252.0.12/32 eth2
- manually add the corresponding ip-address to the nic (10.252.0.13 to vmhba34 and 10.252.0.10 to vmhba33)
- if I do ping-tests from the storage-server to the esxi-box, the packets come back from the expected interface
- the statistics (eg ifconfig) of the two nics show about the same throughput, indicating the mpio is working fine.
- I do not have any experience with vSphere 5
- if you are using the software-iscis from ESXi, you may use two different subnets. I have not testet this, so it is mainly an idea.