Displaying 2 results from an estimated 2 matches for "25mibyte".
2010 Mar 02
3
Very unresponsive, sometimes stalling domU (5.4, x86_64)
.... So, I booted a
rescue system and used fdisk to start at sector 64 instead of 63 (long
story made short: Due to overhead causing the drive to do much more,
inefficient writes when starting at sector 63, the performance
collapses; with 'normal' geometry (sector 63), the drive achieves about
25MiByte/sec writes, with starting at sector 64 partition, it achieves
almost 100MiByte/sec writes):
[root at server2 ~]# fdisk -ul /dev/sda
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Devi...
2010 Mar 02
3
Very unresponsive, sometimes stalling domU (5.4, x86_64)
.... So, I booted a
rescue system and used fdisk to start at sector 64 instead of 63 (long
story made short: Due to overhead causing the drive to do much more,
inefficient writes when starting at sector 63, the performance
collapses; with 'normal' geometry (sector 63), the drive achieves about
25MiByte/sec writes, with starting at sector 64 partition, it achieves
almost 100MiByte/sec writes):
[root at server2 ~]# fdisk -ul /dev/sda
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Devi...