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On the recordRead 9 Oct 202626 facts
diglloydTools DiskTester
3130 Alpine Rd #288-256, Portola Valley, CA 94028, United States
On the record
- Bad block mapping
- The fill-volume command fills a volume and reports performance, with the side effect of forcing bad blocks to be mapped out.diglloydtools.com · read 8 Oct 2026
- Bad blocks
- The fill-volume command fills a volume to capacity and reports performance, with the side effect of forcing bad blocks to be mapped out.diglloydtools.com · read 9 Oct 2026
- Data safety
- The maker says DiskTester operates at the file-system level as a normal user, does not use special permissions or kernel extensions, and writes only its own test files.diglloydtools.com · read 9 Oct 2026
- File handling
- The maker says DiskTester uses temporary test files and opens existing files read-only; it does not write over existing files.diglloydtools.com · read 8 Oct 2026
- Graphing
- DiskTester outputs text rather than drawing graphs; supplied spreadsheets can graph results for some commands.diglloydtools.com · read 9 Oct 2026
- Interfaces
- DiskTester supplies both a graphical interface and a command-line interface, with the latter offering control over test parameters.diglloydtools.com · read 9 Oct 2026
- Internet use
- The purchase page says the installed software works in perpetuity without restrictions and does not phone home or use the internet.diglloydtools.com · read 9 Oct 2026
- License
- The diglloydTools suite is offered under a single-user license for one person on up to two computers; commercial or lab use requires one licensed copy per machine.diglloydtools.com · read 8 Oct 2026
- Limitations
- DiskTester can detect test failures but cannot diagnose or prevent underlying hardware failures, and a failing system may freeze or hang during testing.diglloydtools.com · read 8 Oct 2026
- Maker
- The about page identifies Lloyd Chambers as founder and president of DIGLLOYD INC from 2007 to the present.diglloyd.com · read 8 Oct 2026
- Other tests
- Commands include sequential speed tests, reliability and data integrity tests, file reads, file creation, and volume information.diglloydtools.com · read 8 Oct 2026
- Other uses
- DiskTester can also test digital camera cards and network performance, and compare single-drive performance using SATA, FireWire, and USB.diglloydtools.com · read 9 Oct 2026
- Performance tests
- Its commands test sequential read and write speeds, throughput across multiple simultaneous streams, and performance across a volume.diglloydtools.com · read 9 Oct 2026
- Purchase and license
- The suite is sold under a single-user license for one person on up to two computers, while commercial or lab use requires one licensed copy per machine.diglloydtools.com · read 9 Oct 2026
- Purpose
- DiskTester tests drive performance and reliability for single volumes or RAID.diglloydtools.com · read 9 Oct 2026
- Reliability
- The test-reliability command writes to and verifies an entire volume or a portion of it.diglloydtools.com · read 9 Oct 2026
- Risk limitation
- The maker warns that intensive testing may freeze or crash a flaky system and recommends keeping backups.diglloydtools.com · read 9 Oct 2026
- Security design
- DiskTester operates as a normal user program at the file-system level and does not use special permissions, kernel extensions, or drivers.diglloydtools.com · read 8 Oct 2026
