╓user~ [03:55:47]
╙────> cat /sys/block/md2/md/level
raid0
╓user~ [14:38:10]
╙────> cat /sys/block/md2/md/chunk_size
65536
╓user~ [14:38:17]
╙────> sudo hdparm -i /dev/sda | grep -Eow 'BuffSize=[^,]*'
BuffSize=8192kB
╓user~ [14:38:26]
╙────> dd if=/dev/zero of=testfile bs=8M count=512
512+0 records in
512+0 records out
4294967296 bytes (4,3 GB) copied, 260,465 s, 16,5 MB/s
╓user~ [14:43:03]
╙────> dd if=testfile of=/dev/null bs=8M count=512
512+0 records in
512+0 records out
4294967296 bytes (4,3 GB) copied, 344,228 s, 12,5 MB/s
╓user~ [15:35:12]
╙────> sudo dd if=/dev/sda of=/dev/null bs=1M count=1000
1000+0 records in
1000+0 records out
1048576000 bytes (1,0 GB) copied, 15,7022 s, 66,8 MB/s
╓user~ [15:35:34]
╙────> sudo dd if=/dev/sdb of=/dev/null bs=1M count=1000
1000+0 records in
1000+0 records out
1048576000 bytes (1,0 GB) copied, 16,4073 s, 63,9 MB/s
╓user~ [15:36:12]
╙────> sudo dd if=/dev/md1 of=/dev/null bs=1M count=1000
1000+0 records in
1000+0 records out
1048576000 bytes (1,0 GB) copied, 10,9629 s, 95,6 MB/s
╓user~ [15:37:27]
╙────> sudo dd if=/dev/md2 of=/dev/null bs=1M count=1000
1000+0 records in
1000+0 records out
1048576000 bytes (1,0 GB) copied, 10,7935 s, 97,1 MB/s
╓user~ [15:37:51]
╙────> sudo dd if=testfile of=/dev/null bs=1M count=1000
1000+0 records in
1000+0 records out
1048576000 bytes (1,0 GB) copied, 63,3487 s, 16,6 MB/s
Кто виноват и что делать? Ах да, ФС ext4.
