Category: hard disk

PENDING SECTOR COUNT

Ordinarily hard disks operate transparently. Any problems are handled by the drive logic. Disks in use may find problem sectors or tracks and they then map spare area into the block number table when the error correction cannot cope. badblocks -sv -b 512 <device-name> If the disk is one of the newer 4K sector designs, …

Continue reading

COMMON HARD DISK PROBLEMS

Forums are full of posts with people inquiring about a disk that is not working. One of the most common problems is due to BIOS errors. Its advisable to use BIOS defaults and only select AHCI for modern hard disks only. Even modern UEFI boards default to IDE for legacy operating systems. If the hard …

Continue reading

ST2000DM001

The new Seagate ST2000DM001 is high capacity 2TB disk with 500GB on each side of 2 plates. Operating at 7200rpm, the ST2000DM001 manages to reach 120MB/s of bandwidth. Seagate decided that the performance loss of moving to 5900RPM wasn’t justified by the power savings. It believed that by introducing a more power efficient 7200RPM drive it …

Continue reading

TOSHIBA DT01ACA300

The Toshiba DT01ACA300 is a standard 3TB SATA III hard disk. Toshiba returned to the hard disk business after buying Hitachi’s hard disk unit in a deal with WDC. With the return of Toshiba, there are now three vendors manufacturing 3½” hard disks. Concerns that Toshiba was not committed should be allayed as the DT01ACA300l is …

Continue reading

ST3000DM001

The new Seagate ST3000DM001 is high capacity 3TB disk with 500GB on each side of 3 plates. Operating at 7200rpm, the ST3000DM001 manages to reach 120MB/s of bandwidth. Seagate decided that the performance loss of moving to 5900RPM wasn’t justified by the power savings. It believed that by introducing a more power efficient 7200RPM drive it could deliver …

Continue reading

ST3750525AS

By now the world knows that Seagate Barracuda 7200 drives, from the world’s premier storage provider, deliver years of reliable service and high performance. This is a product family that has been strengthened and refined over 12 generations. It embodies the highest levels of reliability, performance and capacity. And this latest generation is a leader …

Continue reading

ST2000DL003

The new Seagate ST2000DL003 is high capacity 2TB disk. Operating at 7200rpm, the ST2000DL003 manages to reach 105MB/s of bandwidth. Seagate was able to achieve 2TB by reducing the speed of the disk and leveraging the extreme number of sectors on each track to compensate. The ST2000DL003 is perfect for media libraries. Ideal for everyday …

Continue reading

4K SECTORS

Historically hard disks used 512 byte sectors. Early hard disks had very few sectors on a track so it was considered a good compromise at the time. Over time, however, disk capacity grew exponentially to the point where the number of sectors on a track became unwieldy. Seagate and WDC both adopted the move to …

Continue reading

ST3500320AS

The ST3500320AS is a 500GB SATA hard disk. Seagate released some new firmware for this disk, check with Seagate to determine if your disk is affected. 500GB Capacity and 32-MB Cache Best-in-class environmental specifications and reliability features Adaptive Fly Height offers consistent read/write performance from the beginning to the end of your computing workload. Ships …

Continue reading

ST3320620AS

The Seagate ST3320620AS is a 320GB hard disk from the 7200.10 series. 7200.10 7200rpm 320GB Perpendicular Recording 16MB cache SATA II Whisper-quiet operation Enhanced G-Force Protection against handling damage Clean Sweep calibration and Directed Offline scan diagnostics RoHS (restriction of hazardous substances) compliant The 7200.10 series disks have a good reputation for being a rock solid …

Continue reading