15 FAQ tagged "hard disk"

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FreeBSD: How To Add A Second Hard Disk

Q. How do I add a second hard disk to my FreeBSD server? How do I partition, label and mount a new hard disk under FreeBSD for backup or additional data?
How To Find Hard Disk Revolutions Per Minute (RPM) Speed From A Shell Prompt
How do I find out my SCSI hard disk RPM speed from a Linux shell prompt without opening my server case? How do I find out hard disk model and serial number from a shell prompt?
Throttle The Disk I/O Rate: Limit disk I/O for rsync Tool
I run a backup script called /root/backup.sh which runs rsync command. However, rsync makes a lots of disk I/O and network I/O. I’d like to reduce both disk I/O and network I/O. I’ve 10Mbps server connection and 160GiB SATA hard disk. How do reduce disk I/O so that the entire system doesn’t die or become unresponsive?
Unix Create a Symbolic Link
How do I create file links under UNIX / Linux / BSD operating systems?
Linux Copy One Hard Disk to Another Using dd Command
Q. How can I copy one hard disk to another using dd command?
A. dd command can copy disk in raw format. It will copy partition table and bootloader and all partitions within this disk. For example, you can copy /dev/sda to /dev/sdb (same size) using the following dd command. dd should complete with no errors, [...]
How to: Find Out Hard Disk Specs / Details on Linux
Q. Can you tell me Linux command to find out information about my hard disk such as description, product name, bus type, size, cache memory size etc under Linux?
A. There are many tools to get this information. I recommend hdparm command which provides a command line interface to various hard disk [...]
UNIX / Linux: copy master boot record (MBR)
Q. How do I copy MBR from one hard disk to another hard disk under Debian Linux? I need to do this because of RAID 1 configuration.
A. To copy MBR simply use dd command. dd command works under all Linux distros and other UNIX like oses.
dd command to copy MBR
Type dd command as follows:
dd [...]
Linux: Find out serial / model number and vendor information for SATA and IDE hard disk
Q. How do I find out the make, model and serial number for my SCSI or IDE hard disks under CentOS Linux server? How do I get vendor information about my disk storage w/o opening my Intel / AMD server chassis?
A.. You need to use hdparm command. It provides a command line [...]
Linux LILO boot procedure freezes with LI characters (Lilo boot loader LI error)
Q. My Linux system says LI while booting system and then boots procedure freezes or halts. How do I solve this problem?
A. LILO is a generic boot loader for Linux. This error means few things. LI characters indicate that LILO is having problems. It cannot boot the system.
a) Goto BIOS and set LBA mode for [...]
Linux: How to delete a partition with fdisk command
Q. My system comes with pre installed Linux and XP. Now I would like to delete a partition. How do I delete a partition?
A. Hard disks can be divided into one or more logical disks called partitions. This division is described in the partition table found in sector 0 of the [...]