blockdev
Verified for current stable LTS
Blockdev Command: Set Read Ahead Value
Use for set read ahead value with Blockdev. Exact CLI syntax to set read ahead value using Blockdev.
When to use this: Use for set read ahead value with Blockdev.
Command Syntax
sudo blockdev --setra 128 </dev/sdXY>sudo blockdev --setra 128 </dev/sdXY>Live Command Builder
Final Command
sudo blockdev --setra 128 </dev/sdXY> Command Breakdown
--setra- Command Option
- Tool-specific option used by this command invocation.
FAQ
Purpose: Exact syntax to set read ahead value using Blockdev.
Test path: Replace placeholders and run destructive commands in a disposable workspace first.
Flag behavior: Tool version, platform, and shell can change behavior.
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Related Operations
Blockdev Command: Flush Buffers Of Device
sudo blockdev --flushbufs </dev/sdXY> Blockdev Command: Get Physical Block Size sudo blockdev --getpbsz </dev/sdXY> Blockdev Command: Get Size Of Device 512 Byte Sectors sudo blockdev --getsz </dev/sdXY> Blockdev Command: Print Report All Devices sudo blockdev --report Blockdev Command: Print Report Specific Device sudo blockdev --report </dev/sdXY>