On Mon, 20 Feb 2012, Alasdair G Kergon wrote: > Were these tests all using that 'worst case' alignment you mentioned? > - If so, people with such alignment could be advised to use deadline with > huge queue depth? > > Alasdair Some tests are with 512-byte block size, other with 4096-byte block size. Alignment of partition start doesn't matter, because they were done on a SCSI disk with 512-byte hardware sector size. Only alignment of partition size does matter (if the partition has odd number of sectors, the kernel uses 512-byte block size for this partition). Mikulas -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
