Category: Storage
Finding damaged object paths in Panasas
Sometimes the path isn’t known for a damaged file. Use the following Panasas pages here and here for more info (login required). In short: [pancli] volume damage list <vol name> Output ret... Read More
Monitoring Panasas with Opennms
System Summary The Panasas cluster version I’m using is 5.5.1-1098440.68. The Opennms version I’m using is 1.12.9 running on RHEL 6.3. I’ve installed: net-snmp-utils-5.5-41.el6.x... Read More
Hopefully back
So last couple of months have been manic, we’ve pretty much finished our data centre migrations, I went to the Elite Dangerous Premier event with my son and we’ve had an ill family! Though... Read More
NetApp Cluster mode – Converting Switchless to Switched Cluster
Source NetApp document is here. port = physical interface interface = logical interface (LIF) Simple steps: Log in to the cluster’s first node/vserver via it’s RLM ssh admin@<node1&... Read More
GPFS node rejects – watching the waiters
Update! So we believe our rejects have been resolved. Colleagues led the investigation which basically consisted of watching the waiters on the storage cluster side, noting which client was listed in ... Read More
Monitoring Interface errors – Linux & Zabbix
Initially I created a simple script that took the stats from netstat -i every minute and manipulated them so that it left a file per interface per error counter with two figures: the total number of e... Read More
NetApp Performance Advisor CP logging
Looking at Netapp’s sysstat -x 1 (or u if your screen isn’t wide enough) output live during an issue can be invaluable troubleshooting information, particularly the CP, or consistency poi... Read More
GPFS node rejects
Recently our new(ish) GPFS cluster has been used more and more by people at work. We’ve seen network throughput of up to 200Gb/s across our storage nodes which is seriously impressive. I’m... Read More
NetApp – removing NFS locks
Ssh to the filer and enter in advanced mode: priv set advanced Get a list of locks arranged by file via the command: lock status -f Note that this can be run on a vfiler also: vfiler run <vfiler na... Read More- 3 of 3
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