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There are several tools which allow to test performance of filesystems like Iozone, Bonnie, FileBench. There is also one unknown widely call...
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I always forget how to change configuration of already configured zone. I hope from now on I won't forget it. How to remove fs already d...
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A few months ago we faced some performance problems on one of our servers. There is One Very Well Known Big Database (OVWKBD - complicated, ...
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A month ago I had a discussion with our DBA about how to make Oracle SGA memory ineligible for swapping/pagging (we had such accident). Con...
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Back from holidays. Yes. :-) I wish it were longer ... But coming back to reality. While ZFS is renown for its love to particular disks not... -
Just recently I wanted to watch activity for some block devices on one of our CentOS systems. From manual: man sar ... -d Repor...
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If you are Veritas Volume Manager user you can use DMP to configure path failover and load balancing using many links (data paths) to storag...
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Just recently I was looking for information when (what date) was particular server installed. We can check it using two ways (both using rpm...
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We have one application based on postgresql database. Recently we encountered some performance problems with uploading bigger amount of data...
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Instead of using GUI to list all jobs we can use CLI command /usr/openv/netbackup/bin/admincmd/bpdbjobs, e.g.: bash-3.00# /usr/openv/netba...
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