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Category Archives: NetApp
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
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
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.
NetApp SnapLock Compliance clock
Found something interesting out today – the internal compliance clock used by NetApp’s Data ONTAP OS when SnapLock is enabled will stop if any snaplock_compliant volume is taken offline. This will result in skewing the compliance clock from the system … Continue reading
NetApp vfiler / Multistore quick notes
For a good primer on the NetApp Multistore license check NetApp or Scott Lowe Quick notes on multistore: vfiler0 is the “root” or base and owns all the hardware. Only vfiler0 can use FCP. vfilers have a limited range of … Continue reading
NetApp hot disks
If you run stats show disk:*:disk_busy on a NetApp filer to check for “hot” disks (where instead of the workload being spread evenly, one or more disks are being overused) you might wonder exactly which disk is which: disk:1011CEF0:FF1C5209:2623F1CB:314011A0:00000000:…:disk_busy:46% disk:24EFB7F4:CA46E36F:13F664F4:06469F84:00000000:…:disk_busy:22% … Continue reading
