On 4/3/11 11:52 AM, Zeev Tarantov wrote: > On Sun, Apr 3, 2011 at 21:40, Eric Sandeen <sandeen@xxxxxxxxxx> wrote: ... >> What does >> >> # blockdev --getiomin --getioopt /dev/<yourdevice> >> >> say for your device? > > get logical block (sector) size: 4096 > get physical block (sector) size: 4096 > get minimum I/O size: 4096 > get optimal I/O size: 4096 > get alignment offset in bytes: 0 > get max sectors per request: 255 > get blocksize: 4096 > get readahead: 256 > >> The device may be reporting odd values, but mke2fs probably >> should be smart enough not to set block-sized stripe unit and width... > > If the filesystem created with the default options is slow or has > higher cpu usage, it should be changed. I agree. For actual striped storage, this makes it faster, but this case is a problem; block-sized stripe width is never going to be good. What device is this, exactly? -Eric (losing my free airport wifi in about 8 minutes, so I may have to continue this later...!) >> -Eric > > -Z.T. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
