Comment bizarre architectural intricacies of the AS/400?? (Score 1) 69
Single Level Store is not bizarre, it's brilliant.
Single Level Store means never having to worry about where to place files on disk. Storage management spreads data evenly accross all drives. This reduces the likelyhood that all of my data gets piled up on one drive and my really fast processor spends all it's time waiting on 1 (relatively) slow disk.
Single level store allows me to grow files as large as the total of all my disk, without having to have downtime to move them around when they outgrow their current home.
Single Level Store allows the OS to treat Memory and Disk as if they were one and the same. That means my swap file size is equal to the sum of all of my unused disk space. It expands and contracts as I need it to... at the swap file doesn't all get concentrated on one disk either.
Single Level Store means that data storage management is completely left to the OS. All I have to do is make sure that there is enough disks for the job, and Storage Management will handle the rest. I've got more important things to do than.
Single Level Storage also means that as magenetic media dies and the rest of the world moves to solid state storage (as Palm Pilots and other handhelds currently do), that migrating my AS/400 data to solid state storage will be a trivial event. Simply save and restore. File systems that place data on inner and outer rims of platters won't really make sense in a solid state storage world will they?
MW
Single Level Store means never having to worry about where to place files on disk. Storage management spreads data evenly accross all drives. This reduces the likelyhood that all of my data gets piled up on one drive and my really fast processor spends all it's time waiting on 1 (relatively) slow disk.
Single level store allows me to grow files as large as the total of all my disk, without having to have downtime to move them around when they outgrow their current home.
Single Level Store allows the OS to treat Memory and Disk as if they were one and the same. That means my swap file size is equal to the sum of all of my unused disk space. It expands and contracts as I need it to... at the swap file doesn't all get concentrated on one disk either.
Single Level Store means that data storage management is completely left to the OS. All I have to do is make sure that there is enough disks for the job, and Storage Management will handle the rest. I've got more important things to do than.
Single Level Storage also means that as magenetic media dies and the rest of the world moves to solid state storage (as Palm Pilots and other handhelds currently do), that migrating my AS/400 data to solid state storage will be a trivial event. Simply save and restore. File systems that place data on inner and outer rims of platters won't really make sense in a solid state storage world will they?
MW
