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Category Archives: Storage
Demo virtual Equallogic PS6000 array available
If you’re a Dell/Equallogic partner you can finally have access to a software version of a PS6000 iSCSI array. This has been available internally at Dell since at least 2009 (the date of the included documentation) but it’s release to … Continue reading
Posted in Computing, Equallogic, NetApp, Storage, VMware Tagged dell, demo, Equallogic, iSCSI, vmware 12 Comments
iSCSI Multipath for Equallogic round 3
I posted a rather cryptic set of commands way back when, followed it with a script from Dell that would setup multipath on vSphere 4.x for you, then followed that with setting up MPIO in the GUI. Now I’m back … Continue reading
Posted in Equallogic, Storage, Virtualization, VMware 11 Comments
NetApp FAS2xxx / FAS3xxx 2 NIC Ethernet scheme
The NetApp FAS2020 was a pretty popular array, it had a very low price point, came with a lot of software and could handle a decent workload. The main problem was the lack of connectivity, a problem shared with many … Continue reading
Posted in Computing, NetApp, Storage, Virtualization Tagged iSCSI, NetApp, networking, switch, VLAN 1 Comment
NetApp head swap (FAS2020 / FAS3240) and upgrade (7.3.6 to 8.0.2)
Three years ago a client purchased a FAS2020, with 12 SAS disks in the head and a Fibre Channel shelf of ATA disks. After a year (or so) they added a second FC shelf The FAS2020 was a big success … Continue reading
Jumbo vs Flow Control
Don’t forget to check your Ethernet switches for Jumbo vs Flow Control support and recommendations – and double check your config to make sure it matches. Some switches support both, some prefer one over the other – or you might … Continue reading
Posted in Computing, NetApp, Storage, Virtualization, VMware Tagged ESXi, HP switch, iSCSI, NetApp, networking, performance, troubleshoot, vmware, vSphere5 1 Comment
Drobo: all 25 reasons (so far) not to put one into production
Yesterday I posted “Reason 25 not to use a Drobo” and refereed to an earlier post listing another reason. Some folks have asked what the other 23 are. My running list so far, in no particular order: (note this is … Continue reading
Reason number 25 not to use Drobo in a production environment
DroboElite’s have 4 options for “format type” NTFS (XP), NTFS (new than XP), Multi-Host and none. Why those are considered “format type” is beyond me, but suffice to say you need one of the NTFS versions to connect the volume … Continue reading
Posted in Computing, Storage, Vendor rant, Virtualization, VMware Tagged Drobo, rdm, storage, vmware Leave a comment
NetApp FAS3240 configuration with HP and Enterasys switches
The challenge is to configure a FAS3240 for iSCSI and CIFS traffic, giving both the best performance possible. The iSCSI network consists of two HP Procurve 2810s in a “stack” (which is what HP calls managing two switches from the … Continue reading
NetApp port descriptions and what to do with e0M, SP and ACP
The current NetApp lineup has a variety of ports on the back which can be confusing to even the most experienced admin. A FAS3240 (single-chassis HA) for example has two SAS, two GBIC slots, two GBICs with FCP modules, five … Continue reading
Posted in Computing, NetApp, Storage Tagged DOT, installation, management, NetApp, ONTAP, oob 21 Comments
NetApp for VMware best practices
NetApp just published an update to TR 3749 to include vSphere 5. http://media.netapp.com/documents/tr-3749.pdf includes good tables listing all the features supported for FCP/iSCSI/NFS datastores.
