Snapshots created with the EqualLogic VSS provider are not displayed in SAN HQ

Hello

Poster for the first time. We have just implemented an EqualLogic SAN, PS6100X network, and we're having performance issues between our DPM backup server, one of our hosts Hyper-V and VM images stored on the San. I will try to provide as much information as I can

Environment:

Dedicated iSCSI using Dell Force10 switches network

hyper-V (Windows Server 2008 R2) 3 hosts
-2 hosts has a NETWORK 4 port GB dedicated adapter connected to the iSCSI network; 1 host has connected to the network iSCSI NETWORK 2 GB dedicated ports card
-Each Hyper-V host computer has a dedicated on the EQ SAN, RAID-50 volume that stores the Hyper-V virtual machines
-EQ VSS provider installed on all hosts Hyper - V 3 and works correctly

Using DPM 2010 for backup

Problem: on Hyper-V hosts 1 and 2, any/all backup activities are very slow. On the Hyper-V host 3rd, however, activities related to backup all are incredibly fast! We compared the NIC configurations, HIT / settings ME and ASM, but we cannot understand why it is so slow on hosts 1 & 2.

In addition, whenever DPM 2010 tells the EQ VSS provider to create a snapshot, we see the snapshot being created in the EQ Team Manager, but he does not appear in the list of iSCSI connections. According to the documentation SAN HQ, instant and volumes should appear here.

We also disabled TcpAckFrequency for all 3 hyper-v hosts. It helped a little, but there is still a HUGE difference with regard to backups of the DPM.

We're pretty sure that there is something misconfigured on the hosts Hyper - V 1 & 2, given that the host Hyper-V 3 has no performance issues.

How can I get snapshots to appear in the list of iSCSI SAN HQ connections?

Version information:
SAN AC = 2.2.0.5924
Storage Array Firmware = 5.2.4

There are two different issues in this post for the SANHQ doesn't show only not iSCSI connections.

Now SANHQ displays the correct total connection number but doesn't provide details of connections individual iSCSI for snapshots, which it should. So in the meantime use Workgroup Manager that shows the details for each snapshot (I know that's not the best answer, it's a short term solution).

The fact the SANHQ shows details of instant connection does not mean that they aren't here and I can't imagine anything to do with the question of the DPM.

The real difficulty, look for upcoming beta SANHQ and subscription for this on the EQL support site. You can do it now.

Tags: Dell Tech

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