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Disk Storage & RAID Management Tutorials

Questions and answers about SSD (solid state drive), RAID, hard disks’ performance, issues, tips, and software on Linux, RHEL, Fedora, Ubuntu, FreeBSD, AIX, HP-UX, FreeBSD, OpenBSD, OS X and Unix like operating systems ( rss feed ).

MySQL Bin Files Eating Lots of Disk Space

Q. I get a large amount of bin files in the MySQL data directory called "server-bin.n" or mysql-bin.00000n, where n is a number that increments. What is MySQL Binary Log? How do I stop these files being created?
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How To Use UUID To Mount Partitions / Volumes Under Ubuntu Linux

Q. Can you explain UUID concept related to Linux ext3 partitions and storage devices? How do I update /etc/fstab using UUID under Ubuntu Linux or any other Linux distro?
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Explain: Five Nines ( 99.999% ) Computer / Network Uptime Concept

Q. Some service provider guarantees 99.999% uptime for their service. Can you explain meaning of five nines?
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Find command: Exclude / Ignore Files ( Ignore Hidden .dot Files )

Q. How do I ignore hidden .dot files while searching for files? How do I ignore or exclude certain files while running Linux / UNIX find command?
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How To Back Up a Web Server

Q. I'm using Red Hat Enterprise Linux based Apache web server. How do I backup my Apache webserver, MySQL and PostgreSQL database to another disk called /backup and then copy it to other offsite backup ssh server called backup.example.com?
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Linux Disable Bluetooth [ Bluetooth Input Devices (hidd) ]

How do I disable bluethooth support (including bluethooth based devices) under Linux operating systems?
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Linux: How Do I Create a New ext3 File System If a Disk Was Added To The Server / Desktop?

Q. How Do I Create a New ext3 File System If a Disk Was Added To The Server / Desktop Under Any Linux Operating Systems?
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Linux: How Do I Burn ISO Images To CD-Rs and CD-RWs with cdrecord?

Q. How can I burn ISO images to CD-Rs and CD-RWs with cdrecord under Linux operating systems?
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Linux: Tune NFS Performance

What values can be tuned to improve NFS performance? How do I improve my client performance under Linux operating systems?
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Solaris UNIX LUN Rescan With cfgadm Command

I know how to do LUN rescan under Linux using echo command. A reboot option (downtime) is not available for me. How do I rescan LUN under Solaris UNIX operating systems?

The cfgadm command provides configuration administration operations on dynamically reconfigurable hardware resources. Pass the -l option to Lists the state and condition of attachment points specified. Login as root and type the following command:
cfgadm -al
For further information read cfgadm and format command man page