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Questions tagged [iscsi]

The iSCSI (Internet Small Computer Systems Interface) is a a transport protocol for Internet aiming to be fully compliant with the standardized SCSI architecture model.

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1 answer
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iSCSI silent data corruption

I came across an interesting table with estimations of silent data corruption rate for different interfaces. SAS shows the best result when the built-in integrity control (DIF) is enabled: Interface ...
Vitaly Isaev's user avatar
3 votes
1 answer
572 views

iSCSI with dedicated switches

Looking to purchase some dedicated 10GB switches for our iSCSI setup. Would the following setup allow us to use two switches for redundancy? Two VMWare ESXi hosts, each with 2 10GB NIC Storage with 2 ...
Amber's user avatar
  • 31
12 votes
4 answers
2k views

Which specs should I look for (or avoid) when searching for a iSCSI 10Gbit ethernet switch, independent of brand?

I've been tasked with selecting two new switches intended to be our new iSCSI SAN backbone. Currently, we are using two Dell N4064 improvised for the task since that's what we had when the need ...
ÜM Mineiro's user avatar
1 vote
1 answer
562 views

Right Cisco switch for iSCSI SAN network

I'm trying to revive this old HP P4500 Lefthand SAN and recover some data from it. There was a pair of Cisco switches configured for the SAN traffic. Those are no longer there. All I have access to ...
Eclipse's user avatar
  • 13
1 vote
1 answer
2k views

QoS (802.1p) for iSCSI Traffic on Cisco Nexus 3048

We're building a new core for our University and one thing that bugs me is the iSCSI network. We already considered Jumbo Frames and Flow Control on the iSCSI ports, but one thing remains for debate, ...
Vinícius Ferrão's user avatar
18 votes
3 answers
28k views

How do you know if a Cisco switch is handling traffic well?

I have just read Jeremy's question about 2960-S and iSCSI traffic handling, which drove me to ask this question: We all have lots of switches deployed in distinct infrastructures, how can you know ...
laf's user avatar
  • 795
6 votes
2 answers
983 views

What are the best Cisco 6500 Ethernet modules for iSCSI?

I have a SAN environment built on FC (Fibre Channel), which is a standalone network from the rest of the DC Ethernet network, and have only Cisco 6509s with Sup720s available for this project. Most ...
generalnetworkerror's user avatar
25 votes
4 answers
9k views

Can I use a Catalyst 2960-S for iSCSI?

I need to set up a modest iSCSI SAN with a few ESX hosts and one storage array. Can I get by using a Catalyst 2960-S or do I need to upgrade? Are there any special tweaks I need to make to the switch ...
Jeremy Stretch's user avatar