Hi
I just installed Proxmox VE 4.2 (64bits). the VMs Disk I/O speed is about 50% or less than old VMware ESXI5.0. How it can be resolved?
HardDisk: SATA
Cache: Default(no cache)
No backup: no
Discard: no
IO thread: no
Format: QEMO (qcow2)
I just installed Proxmox VE 4.2 (64bits). the VMs Disk I/O speed is about 50% or less than old VMware ESXI5.0. How it can be resolved?
HardDisk: SATA
Cache: Default(no cache)
No backup: no
Discard: no
IO thread: no
Format: QEMO (qcow2)
Code:
RAID1 on sda and sdb
-----------------------------------------------------------
root@:~# smartctl --all /dev/sda
smartctl 6.4 2014-10-07 r4002 [x86_64-linux-4.4.6-1-pve] (local build)
Copyright (C) 2002-14, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: Toshiba 3.5" HDD DT01ACA...
Device Model: TOSHIBA DT01ACA200
Serial Number: 73UUD3XXX
LU WWN Device Id: 5 000039 ff3d9axxx
Firmware Version: MX4OABB0
User Capacity: 2,000,398,934,016 bytes [2.00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 7200 rpm
Form Factor: 3.5 inches
Device is: In smartctl database [for details use: -P show]
ATA Version is: ATA8-ACS T13/1699-D revision 4
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Mon May 9 07:08:28 2016 CEST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
General SMART Values:
Offline data collection status: (0x84) Offline data collection activity
was suspended by an interrupting command from host.
Auto Offline Data Collection: Enabled.
Self-test execution status: ( 0) The previous self-test routine completed
without error or no self-test has ever
been run.
Total time to complete Offline
data collection: (14726) seconds.
Offline data collection
capabilities: (0x5b) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
No Conveyance Self-test supported.
Selective Self-test supported.
SMART capabilities: (0x0003) Saves SMART data before entering
power-saving mode.
Supports SMART auto save timer.
Error logging capability: (0x01) Error logging supported.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 1) minutes.
Extended self-test routine
recommended polling time: ( 246) minutes.
SCT capabilities: (0x003d) SCT Status supported.
SCT Error Recovery Control supported.
SCT Feature Control supported.
SCT Data Table supported.
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000b 100 100 016 Pre-fail Always - 0
2 Throughput_Performance 0x0005 140 140 054 Pre-fail Offline - 68
3 Spin_Up_Time 0x0007 128 128 024 Pre-fail Always - 295 (Average 295)
4 Start_Stop_Count 0x0012 100 100 000 Old_age Always - 88
5 Reallocated_Sector_Ct 0x0033 100 100 005 Pre-fail Always - 0
7 Seek_Error_Rate 0x000b 100 100 067 Pre-fail Always - 0
8 Seek_Time_Performance 0x0005 126 126 020 Pre-fail Offline - 32
9 Power_On_Hours 0x0012 097 097 000 Old_age Always - 23404
10 Spin_Retry_Count 0x0013 100 100 060 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 88
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 95
193 Load_Cycle_Count 0x0012 100 100 000 Old_age Always - 95
194 Temperature_Celsius 0x0002 200 200 000 Old_age Always - 30 (Min/Max 21/42)
196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always - 0
197 Current_Pending_Sector 0x0022 100 100 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0008 100 100 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x000a 200 200 000 Old_age Always - 0
SMART Error Log Version: 1
No Errors Logged
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
# 1 Short offline Completed without error 00% 18232 -
# 2 Short offline Completed without error 00% 18229 -
# 3 Short offline Completed without error 00% 18229 -
# 4 Short offline Completed without error 00% 16407 -
# 5 Short offline Completed without error 00% 16404 -
# 6 Short offline Completed without error 00% 16404 -
# 7 Short offline Completed without error 00% 16350 -
# 8 Short offline Completed without error 00% 38 -
# 9 Short offline Completed without error 00% 31 -
#10 Short offline Completed without error 00% 18 -
#11 Short offline Completed without error 00% 1 -
#12 Short offline Completed without error 00% 0 -
SMART Selective self-test log data structure revision number 1
SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS
1 0 0 Not_testing
2 0 0 Not_testing
3 0 0 Not_testing
4 0 0 Not_testing
5 0 0 Not_testing
Selective self-test flags (0x0):
After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.
--------------------------------------------------------
root@:~# smartctl --all /dev/sdb
almost the same as above
--------------------------------------------------------------
root@:~# pveperf
CPU BOGOMIPS: 54397.20
REGEX/SECOND: 1720033
HD SIZE: 19.10 GB (/dev/md2)
BUFFERED READS: 67.12 MB/sec
AVERAGE SEEK TIME: 8.56 ms
FSYNCS/SECOND: 26.65
DNS EXT: 22.03 ms
DNS INT: 4.15 ms (ip-37-xxx.eu)
---------------------------------------------------------------
root@:~# vgscan
Reading all physical volumes. This may take a while...
Found volume group "pve" using metadata type lvm2
-----------------------------------------------------
root@:~# hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 28326 MB in 2.00 seconds = 14178.68 MB/sec
Timing buffered disk reads: 544 MB in 3.00 seconds = 181.29 MB/sec
-----------------------------------------------------
root@:~# hdparm -tT /dev/sdb
/dev/sdb:
Timing cached reads: 28740 MB in 2.00 seconds = 14385.95 MB/sec
Timing buffered disk reads: 548 MB in 3.01 seconds = 182.04 MB/sec
----------------------------------------------------------
root@:~# pveversion --verbose
proxmox-ve: 4.2-48 (running kernel: 4.4.6-1-pve)
pve-manager: 4.2-2 (running version: 4.2-2/725d76f0)
pve-kernel-4.4.6-1-pve: 4.4.6-48
pve-kernel-4.2.8-1-pve: 4.2.8-41
lvm2: 2.02.116-pve2
corosync-pve: 2.3.5-2
libqb0: 1.0-1
pve-cluster: 4.0-39
qemu-server: 4.0-72
pve-firmware: 1.1-8
libpve-common-perl: 4.0-59
libpve-access-control: 4.0-16
libpve-storage-perl: 4.0-50
pve-libspice-server1: 0.12.5-2
vncterm: 1.2-1
pve-qemu-kvm: 2.5-14
pve-container: 1.0-62
pve-firewall: 2.0-25
pve-ha-manager: 1.0-28
ksm-control-daemon: 1.2-1
glusterfs-client: 3.5.2-2+deb8u1
lxc-pve: 1.1.5-7
lxcfs: 2.0.0-pve2
cgmanager: 0.39-pve1
criu: 1.6.0-1
zfsutils: 0.6.5-pve9~jessie
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