Uncategorized Archives » CentOS Questions

Rook-Ceph crush map has legacy tunables (require firefly, min is hammer)

Rook-Ceph crush map has legacy tunables (require firefly, min is hammer) Rook-Ceph Rook turns distributed storage systems into self-managing, self-scaling, self-healing storage services using Ceph. It automates the tasks of a storage administrator: deployment, bootstrapping, configuration, provisioning, scaling, upgrading, migration, disaster recovery, monitoring, and resource management. So I’m working on Read more…

By Jeff Masud, 4 yearsMay 17, 2021 ago

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How to remove large number of files on linux?

How to remove large number of files on linux? I had a client that left a broken script running for years and was wondering why his server was filling up. They had multiple accounts with 500,000 to 1,000,000 files which were insane. I started to remove with a find command Read more…

By Jeff Masud, 7 yearsNovember 1, 2018 ago

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3Ware tw_cli getting DEGRADED and ECC-ERROR on rebuild

3Ware tw_cli getting DEGRADED and ECC-ERROR on rebuild I have some older servers still running 3Ware RAID cards. They work great, and have a nice command line interface to managing things using tw_cli. I recently had a drive fail, then when I went in to do the rebuild it errored Read more…

By Jeff Masud, 7 yearsMay 27, 2018 ago