Fastest hard-disk... post yours!

[Minmeo]

root@srv:~# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 2.31474 s, 464 MB/s

This is a ramnode ssd cached vps and it is the fastest I have for disks. What about you?

 

[PwnyExpress]

root@UWAXT7AHNO4BTSC:~# dd if=/dev/zero of=test bs=32k count=32k conv=fdatasync
32768+0 records in
32768+0 records out
1073741824 bytes (1.1 GB) copied, 2.04894 s, 524 MB/s

This is on a Hyper-V VM with it's storage backed on an InfiniBand QDR link to a Windows Scale-out File Server cluster that's hooked up to a SAS JBOD via a SAS switch.

 

[tchen]

Pfft. 

http://www.computerworld.com/s/article/9083478/Image_gallery_Space_Shuttle_i_Columbia_s_i_hard_disk_drive

7.77 km/s

 

[MannDude]

Pfft. 

http://www.computerworld.com/s/article/9083478/Image_gallery_Space_Shuttle_i_Columbia_s_i_hard_disk_drive

7.77 km/s

It took me a second...

Oh you!

 

[Nett]

Pfft. 

http://www.computerworld.com/s/article/9083478/Image_gallery_Space_Shuttle_i_Columbia_s_i_hard_disk_drive

7.77 km/s

Interesting...I'm going to get a 1995 seagate 1GB HDD...looks like it's very fault tolerant and tough.

 

[rds100]

Biggest dick... post yours

 

[Virtovo]

8 Disk HDD Raid 10.  No SSD caching

dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 1.67747 s, 640 MB/s

 

[Nett]

8 Disk HDD Raid 10.  No SSD caching


dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 1.67747 s, 640 MB/s

Nice result

 

[Virtovo]

Nice result

Servers in use too. 

 

[GIANT_CRAB]

dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 0.00001 us, 1258 GB/s

Single WD disk.

 

[Nett]

No

dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 0.00001 us, 1258 GB/s
Single WD disk.

 

[dano]

KVM virtual machine on an lightly used host machine. 4-disk raid10,no ssd or ssd cache.

 

dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync

16384+0 records in

16384+0 records out

1073741824 bytes (1.1 GB) copied, 1.48229 s, 724 MB/s

 

[blergh]

8 Disk HDD Raid 10.  No SSD caching


dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 1.67747 s, 640 MB/s

KVM virtual machine on an lightly used host machine. 4-disk raid10,no ssd or ssd cache.

 

dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync

16384+0 records in

16384+0 records out

1073741824 bytes (1.1 GB) copied, 1.48229 s, 724 MB/s

HW or soft?

 

[mtwiscool]

i,m so going to post mines tonight.

on a test vm set up.

1 WD Green HDD but disk io you won't believe.

It is a test for some paid vps planning.

xen pv to be used.

 

[Virtovo]

HW or soft?

HW.

 

[dano]

Mine is HW, and the card has 1gb FBWC, which is probably why it runs kinda speedy.

 

[mrwright]

dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync

16384+0 records in

16384+0 records out

1073741824 bytes (1.1 GB) copied, 1.23743 s, 868 MB/s

 

[TruvisT]

[[email protected] ~]# dd if=/dev/zero of=meow bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 0.740006 s, 1.4 GB/s
I have some disks from the 80's so I will dig those out and see how slow, I mean fast, they are

 

[dave]

Here's my local VirtualBox instance running CentOS off an external WD usb 2.0 hard drive.


# dd if=/dev/zero of=/tmp/test bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 45.5353 s, 23.6 MB/s


Did I win something?

 

[SC-Daniel]

16384+0 records in


16384+0 records out


17179869184 bytes (17 GB) copied, 17.6905 s, 971 MB/s

That is a 12-drive RAID10 SATA array