Performance Analysis of NAND Flash-Based SSD for Designing a Hybrid Filesystem Export

@article{citeulike:5980496, abstract = {As density doubles with the rapidly dropping price each year for the past seven years (currently 32Gbits/chip), NAND flash memory has virtually replaced HDDs(hard disk drives) in battery-operated consumer devices such as cellular phones, PMPs, and PDAs. This trend has also enabled the introduction of so-called flash memory SSDs(solid state disks) that have an interface identical to that of HDDs but use NAN flash memory inside as storage media. The ordinary filesystems designed for HDDs are no longer suitable for SSDs because SSDs have many different features from HDDs.We designed a hybrid filesystem, called Hybrid FS,that uses two kinds of storages - HDDs and SSDs. This is accomplished by distributing data into two partitions based on their type. In Hybrid FS, the data blocks of a large regular file are stored in a data partition in HDDs, while the metadata being stored in the partition of SSDs. Separating data into the different storages of disk partitions makes it possible to produce high I/O performance by taking appropriate I/O approach,according to the data characteristics.}, address = {Los Alamitos, CA, USA}, author = {Suk, Jinsun and No, Jaechun}, citeulike-article-id = {5980496}, citeulike-linkout-0 = {http://doi.ieeecomputersociety.org/10.1109/HPCC.2009.69}, citeulike-linkout-1 = {http://dx.doi.org/10.1109/HPCC.2009.69}, doi = {10.1109/HPCC.2009.69}, isbn = {978-0-7695-3738-2}, journal = {High Performance Computing and Communications, 10th IEEE International Conference on}, keywords = {filesystem, ssd}, pages = {539--544}, posted-at = {2009-10-21 14:40:02}, priority = {2}, publisher = {IEEE Computer Society}, title = {Performance Analysis of NAND Flash-Based SSD for Designing a Hybrid Filesystem}, url = {http://dx.doi.org/10.1109/HPCC.2009.69}, volume = {0}, year = {2009} }

TY - JOUR ID - citeulike:5980496 L3 - citeulike-article-id:5980496 N2 - As density doubles with the rapidly dropping price each year for the past seven years (currently 32Gbits/chip), NAND flash memory has virtually replaced HDDs(hard disk drives) in battery-operated consumer devices such as cellular phones, PMPs, and PDAs. This trend has also enabled the introduction of so-called flash memory SSDs(solid state disks) that have an interface identical to that of HDDs but use NAN flash memory inside as storage media. The ordinary filesystems designed for HDDs are no longer suitable for SSDs because SSDs have many different features from HDDs.We designed a hybrid filesystem, called Hybrid FS,that uses two kinds of storages - HDDs and SSDs. This is accomplished by distributing data into two partitions based on their type. In Hybrid FS, the data blocks of a large regular file are stored in a data partition in HDDs, while the metadata being stored in the partition of SSDs. Separating data into the different storages of disk partitions makes it possible to produce high I/O performance by taking appropriate I/O approach,according to the data characteristics. JF - High Performance Computing and Communications, 10th IEEE International Conference on SN - 978-0-7695-3738-2 AD - Los Alamitos, CA, USA EP - 544 TI - Performance Analysis of NAND Flash-Based SSD for Designing a Hybrid Filesystem PB - IEEE Computer Society VL - 0 SP - 539 KW - filesystem KW - ssd AU - Suk, Jinsun AU - No, Jaechun PY - 2009/// UR - http://dx.doi.org/10.1109/HPCC.2009.69 ER -