Visit http://www.thecloudcalculator.com/calculators/file-transfer.html
Linux automatically detects SSD, and since kernel version 2.6.29, you may verify sda with:
cat /sys/block/sda/queue/rotational
You should get 1 for hard disks and 0 for a SSD.
http://unix.stackexchange.com/questions/65595/how-to-know-if-a-disk-is-an-ssd-or-an-hdd
OpStor is a multi-vendor storage area networks SAN and network attached storage NAS monitoring tool for storage devices.
http://www.manageengine.com/products/opstor/
http://oraclue.com/2009/10/27/orion-oracle-io-calibration-tool-included-in-11g-r2/
http://www.thefoa.org/tech/fo-or-cu.htm
| Distance | Bandwidth | Voice Channels | |
| Copper | 2.5 km | 1.5 Mb/s | 24 |
| Fiber | 200 KM | 2.5+ Gb/s | 32,000 + |
http://en.wikipedia.org/wiki/Hard_disk_drive_performance_characteristics
| Device | Type | IOPS | Interface | Notes |
|---|---|---|---|---|
| 7,200 rpm SATA drives | HDD | ~75-100 IOPS[2] | SATA 3 Gbit/s | |
| 10,000 rpm SATA drives | HDD | ~125-150 IOPS[2] | SATA 3 Gbit/s | |
| 10,000 rpm SAS drives | HDD | ~140 IOPS[2] | SAS | |
| 15,000 rpm SAS drives | HDD | ~175-210 IOPS[2] | SAS |
| HDD Spindle [rpm] |
Average rotational latency [ms] |
|---|---|
| 4,200 | 7.14 |
| 5,400 | 5.56 |
| 7,200 | 4.17 |
| 10,000 | 3.00 |
| 15,000 | 2.00 |
http://en.wikipedia.org/wiki/Hard_disk_drive_performance_characteristics
dmidecode – DMI table decoder
[root@csmsrv-4frh64-nuxeosvn ~]# dmidecode --type
dmidecode: option '--type' requires an argument
Type number or keyword expected
Valid type keywords are:
bios
system
baseboard
chassis
processor
memory
cache
connector
slot
Example
dmidecode --type bios
# dmidecode 2.11
SMBIOS 2.7 present.
Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
Vendor: FUJITSU // American Megatrends Inc.
Version: V4.6.4.1 R1.18.0 for D3034-A1x
Release Date: 11/03/2011
Address: 0xF0000
Runtime Size: 64 kB
ROM Size: 8192 kB
Characteristics:
PCI is supported
BIOS is upgradeable
BIOS shadowing is allowed
Boot from CD is supported
Selectable boot is supported
EDD is supported
Print screen service is supported (int 5h)
8042 keyboard services are supported (int 9h)
Serial services are supported (int 14h)
Printer services are supported (int 17h)
ACPI is supported
USB legacy is supported
BIOS boot specification is supported
Targeted content distribution is supported
UEFI is supported
BIOS Revision: 1.18
lscpu – display information about the CPU architecture
Check type of Hardisk
smartctl - Control and Monitor Utility for SMART Disks smartctl -i /dev/sda smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-358.el6.x86_64] (local build) Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net Vendor: LSI Product: RAID 5/6 SAS 6G Revision: 2.90 User Capacity: 748,532,269,056 bytes [748 GB] Logical block size: 512 bytes Logical Unit id: 0x6003005701451dd0173e81e95f57f757 Serial number: 0057f7575fe9813e17d01d4501570003 Device type: disk Local Time is: Wed Jul 9 14:40:41 2014 IST Device does not support SMART
http://www.cyberciti.biz/faq/find-hard-disk-hardware-specs-on-linux/
http://www.cyberciti.biz/faq/linux-find-hard-drive-model-rpm-speed/
RAID Performance Calculator
http://wintelguy.com/raidperf.pl
[gview file=”http://www.hiteshgondalia.dev/wp-content/uploads/2014/01/RAID-Performace-Calculator-WintelGuy.pdf”%5D
http://thecloudcalculator.com/calculators/disk-raid-and-iops.html
http://en.wikipedia.org/wiki/IOPS
10,000 rpm SAS drives HDD ~140 IOPS[2] SAS 15,000 rpm SAS drives HDD ~175-210 IOPS[2]SAS
http://www.linkedin.com/groups/Storage-selection-IOPS-calc-93470.S.98131072
