Problem: I needed to locate the serial number of a new shelf i’d just added. Solution: Login to the cluster via SSH and run the following command my-sannapp01::> storage shelf show
Category: SAN
Garbage Collection in NetApp Solidfire
Garbage collection on Solidfire starts at the top of every hour: To run the job manually https://{mgmt-vip}/json-rpc/5.0?method=StartGC If you need to run a check on the status of the GC then you can use the following command https://{mgmt-vip}/json-rpc/5.0?method=GetGCStatus
Find Temperature of CPU on Cisco s3260
Problem I got an alert on a Cisco S-Series that CPU #1 and the rear temp was high in Zabbix (over 65c). There were no alerts via the CIMC GUI These temperatures did not match the sensors located in the GUI so i needed to track down where the values were actually coming from. Solution SSH Read More…
Increase iNodes on Netapp FAS
Problem Our alerting system notified us that inodes were nearing the system limit on a CIFS share (aka unipod_cifs) on a FAS running ONTap 9 Solution The following command will shiow current usage syntax volume show {cifs_name} -fields files, files-used command volume show unipod_cifs -fields files, files-used To increase the inodes use the following syntax Read More…
Convert NetApp Ports from FC to CNA
Problem I wanted to convert two FC ports to CNA (10Gb eth) mode on a Netapp AFF-300. The ports in question are 0e and 0f. Steps The following will work for FAS units as well. Display internfaces: sannapp02::> ucadmin show Current Current Pending Pending Read More…
New Node Gets Stuck in PendingActive State – NetApp Solidfire
Problem: When trying to add a new NetApp Solidfire (H610S4) node to an existing cluster the node became locked in a PendingActive state. Troubleshooting The log files showed the following error: 2019-11-25T13:47:50.149221Z node-sans11 master-1[26688]: [Bootstrapper] 26749 TickerIOService ms/Bootstrapper.cpp:1648:RunClusterSearch|Error in cluster search: ex=xInvalidVirtualNetwork at solidfire::IPAddress solidfire::VirtualNetworkInfo::ReserveAddress() (shared/VirtualNetworkInfo.cpp:302): Too few IP addresses supplied for VirtualNetwork 8 Read More…
Safely Removing and Adding a Physical RDM
Scenario: I have a Physical RDM directly attached to a Virtual Machine (Windows 2008 R2) over a storage network. This was formatted as NTFS on my E: drive. I wanted to physically re-locate the box from one rack to another which would involve shutting down and moving the storage deivce (OpenFiler). The cabling was ready. Here are Read More…
iSCSI Storage in VMware – A Quick Overview
Today I will be writing a very brief overview on iSCSI storage and how it fits into a VMware environment. In this example I will be referring to a small cloud I have set up using a 3 host ESXi (5.1) cluster which connects to an Equallogic SAN using a software initiator. What is iSCSI? iSCSI encapsulates Read More…
Intermittent iSCSI Connections to Dell MD3200i
Setup: 2 ESXI 5.0 hosts, connecting to a Dell MD3200i SAN via stacked Cisco switches. The setup has 3 LUNS. Problem: The small, private cloud with a webserver and backend DB server (amongst a few other servers ) became inaccessible from the outside world via HTTP/SSH etc. Upon inspection it appeared that the iSCSI storage was flapping. vCenter Read More…