amuck-landowner

Fastest hard-disk... post yours!

Minmeo

New Member
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

New Member
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.
 

Virtovo

New Member
Verified Provider
8 Disk HDD Raid 10.  No SSD caching

Code:
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

Article Submitter
Verified Provider
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 :)
 

GIANT_CRAB

New Member
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

New Member
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

New Member
Verified Provider
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?
 
Last edited by a moderator:

mtwiscool

New Member
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.
 

mrwright

New Member
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

Server Management Specialist
Verified Provider
[[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 :D
 
Last edited by a moderator:

dave

Member
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?
 
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