Herhangi biri bunu bana açıklayabilir mi? Yeniden yükledim BlackMagic
ama hiçbir şeyi değiştirmez.
10.9.3 kullanıyorum ve SSD'de yalnızca bir bölüm var.
Terminal ile:
MBP-Thomas in ~
○ → dd if=/dev/zero bs=1024k of=tstfile count=1024
1024+0 records in
1024+0 records out
1073741824 bytes transferred in 35.587628 secs (30171773 bytes/sec)
MBP-Thomas in ~
○ → dd if=tstfile of=/dev/zero
2097152+0 records in
2097152+0 records out
1073741824 bytes transferred in 11.061699 secs (97068437 bytes/sec)
MBP-Thomas in ~
○ → cd /
MBP-Thomas in /
○ → sudo dd if=/dev/zero bs=1024k of=tstfile count=1024
Password:
1024+0 records in
1024+0 records out
1073741824 bytes transferred in 33.653468 secs (31905830 bytes/sec)
MBP-Thomas in /
○ → dd if=tstfile of=/dev/zero
2097152+0 records in
2097152+0 records out
1073741824 bytes transferred in 11.582934 secs (92700332 bytes/sec)
Aynı zamanda oldukça kötü ...
İotop sonucu:
MBP-Thomas in ~
○ → sudo iotop -C 5 12
Password:
Tracing... Please wait.
2014 May 29 12:07:16, load: 1.38, disk_r: 4 KB, disk_w: 9124 KB
UID PID PPID CMD DEVICE MAJ MIN D BYTES
501 284 277 cfprefsd ?? 1 2 R 4096
501 284 277 cfprefsd ?? 1 2 W 16384
501 3905 46 lssave ?? 1 2 W 9326592
2014 May 29 12:07:21, load: 1.43, disk_r: 0 KB, disk_w: 0 KB
UID PID PPID CMD DEVICE MAJ MIN D BYTES
2014 May 29 12:07:26, load: 1.40, disk_r: 40 KB, disk_w: 1960 KB
UID PID PPID CMD DEVICE MAJ MIN D BYTES
0 1 0 launchd ?? 1 2 R 40960
0 1 0 launchd ?? 1 5 W 40960
0 0 0 ?? 1 5 74752
0 0 0 kernel_task ?? 1 2 W 888832
0 1 0 launchd ?? 1 2 W 1077248
0 0 0 ?? 1 2 1200128
2014 May 29 12:07:31, load: 1.36, disk_r: 0 KB, disk_w: 12 KB
UID PID PPID CMD DEVICE MAJ MIN D BYTES
501 352 296 node-webkit ?? 1 2 W 12288
2014 May 29 12:07:36, load: 1.33, disk_r: 0 KB, disk_w: 0 KB
UID PID PPID CMD DEVICE MAJ MIN D BYTES
2014 May 29 12:07:41, load: 1.31, disk_r: 0 KB, disk_w: 0 KB
Güncelleme:
Tamam. Şimdi yazma hızının 27,4 MB / sn (27379034 bytes / sn) ve okuma hızının 4,45 GB / sn (4499797299 bytes / sn) olduğunu söylüyor
O NE LAN ?