[PVE-User] Very slow install of applications in Windows 2008R2 VM on Proxmox - What is the cause?

Eneko Lacunza elacunza at binovo.es
Mon Sep 23 09:00:12 CEST 2013


Hi Bruce,

pveperf on the disk (/) ?

If you haven't, I think it will help you a lot installing virtio drivers 
on the Windows guest, then changing VM disks from ide to virtio.

On 22/09/13 22:20, Bruce B wrote:
> Thanks for feedback Krzysztof and Alexandre. Below are the info:
>
> I am using 1x 500GB WD HDD. I can add another one if that helps - 
> something like: WD5001AALS. Would that help? Where do you read the 
> IOPS? and what is a good number of IOPS today?
>
> For VM I am using LOCAL QCOW2 - not sure how virtio drives work.
>
> Hoping following info help you tell me if I am hitting a controller 
> bottleneck (meaning I can't help it) or if it is an HDD problem:
>
>         *-storage
>              description: SATA controller
>              product: 82801JI (ICH10 Family) SATA AHCI Controller
>              vendor: Intel Corporation
>              physical id: 1f.2
>              bus info: pci at 0000:00:1f.2
>              logical name: scsi0
>              version: 00
>              width: 32 bits
>              clock: 66MHz
>              capabilities: storage msi pm ahci_1.0 bus_master cap_list 
> emulated
>              configuration: driver=ahci latency=0
>              resources: irq:50 ioport:d880(size=8) ioport:d800(size=4) 
> ioport:d480(size=8) ioport:d400(size=4) ioport:d080(size=32) 
> memory:faffc000-faffc7ff
>            *-disk
>                 description: ATA Disk
>                 product: WDC WD5001AALS-0
>                 vendor: Western Digital
>                 physical id: 0.0.0
>                 bus info: scsi at 0:0.0.0
>                 logical name: /dev/sda
>                 version: 05.0
>                 serial: WD-WCATR2413417
>                 size: 465GiB (500GB)
>                 capabilities: partitioned partitioned:dos
>                 configuration: ansiversion=5 sectorsize=512 
> signature=00064f12
>               *-volume:0
>                    description: EXT3 volume
>                    vendor: Linux
>                    physical id: 1
>                    bus info: scsi at 0:0.0.0,1
>                    logical name: /dev/sda1
>                    logical name: /boot
>                    version: 1.0
>                    serial: 8fe2447e-4258-4d39-b7c7-450b66460abf
>                    size: 511MiB
>                    capacity: 511MiB
>                    capabilities: primary bootable journaled 
> extended_attributes recover ext3 ext2 initialized
>                    configuration: created=2013-08-06 16:38:36 
> filesystem=ext3 modified=2013-08-09 17:14:18 mount.fstype=ext3 
> mount.options=rw,relatime,errors=continue,user_xattr,acl,barrier=0,data=ordered 
> mounted=2013-08-09 17:14:18 state=mounted
>               *-volume:1
>                    description: Linux LVM Physical Volume partition
>                    physical id: 2
>                    bus info: scsi at 0:0.0.0,2
>                    logical name: /dev/sda2
>                    serial: pqnaJf-WL5Q-kz2z-a3CJ-f6rS-Jxz4-LICwof
>                    size: 465GiB
>                    capacity: 465GiB
>                    capabilities: primary multi lvm2
>
>
>
> Thanks,
>
> On Sun, Sep 22, 2013 at 6:07 AM, Krzysztof Bloniarz <kb0spam at gmail.com 
> <mailto:kb0spam at gmail.com>> wrote:
>
>     Hi Bruce,
>
>     Could you confirm that  you are using one 500GB SATA drive as your
>     storage ?
>     How many VMs are running on this drive ?
>
>     This SATA drive is capable of 60 IOPS maybe 70IOPS, you can easily
>     saturate this installing windows apps, particularly if you run
>     simultaneous VMs on that drive
>
>     To solve your 'performace' problems you have to build RAID and add
>     more spindles.
>
>     Regards,
>     KB
>
>
>     On Fri, Sep 20, 2013 at 8:33 PM, Bruce B <bruceb444 at gmail.com
>     <mailto:bruceb444 at gmail.com>> wrote:
>
>         Hi Everyone,
>
>         I am seeing very slow install of applications within a Windows
>         2008R2 VM that I built with 24Gbs of RAM (no users on it yet)
>         and the Proxmox server is a DL160 G6 with Dual L5520 Xeon quad
>         core CPUs. I don't see why this is acting so slow. I am
>         looking for suggestions on how to make this work faster.
>
>         Below are my findings of IO stats and HDD specifications. I
>         would like to know if there is any hope to this server. I am
>         running Windows 2008 R2 in IDE0 and QCOW mode.
>
>         *root at hp:~# iostat -xkd 2     (util shows over 97% below as a
>         program is being installed)*
>         Linux 2.6.32-22-pve (hp)  09/20/2013      _x86_64_        (16 CPU)
>
>         Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s  
>          wkB/s avgrq-sz avgqu-sz   await r_await w_await  svctm  %util
>         sda               0.00    13.50    0.00   94.50     0.00
>          9023.25   190.97 2.41   25.43    0.00   25.43  10.32  97.50
>         dm-0              0.00     0.00    0.00   13.00     0.00  
>          52.00     8.00 0.70   54.15    0.00   54.15   6.77   8.80
>         dm-1              0.00     0.00    0.00    0.00     0.00    
>         0.00     0.00 0.00    0.00    0.00    0.00   0.00   0.00
>         dm-2              0.00     0.00    0.00   95.00     0.00
>          8913.25   187.65 2.29   24.12    0.00   24.12  10.24  97.30
>
>
>         *hdparm output:*
>
>         ATA device, with non-removable media
>                  Model Number:       WDC WD5001AALS-00E3A0
>                  Serial Number:      WD-WCATR2413417
>                  Firmware Revision:  05.01D05
>                  Transport:          Serial, SATA 1.0a, SATA II Extensions, SATA Rev 2.5, SATA Rev 2.6
>         Standards:
>                  Supported: 8 7 6 5
>                  Likely used: 8
>         Configuration:
>                  Logical         max     current
>                  cylinders       16383   16383
>                  heads           16      16
>                  sectors/track   63      63
>                  --
>                  CHS current addressable sectors:   16514064
>                  LBA    user addressable sectors:  268435455
>                  LBA48  user addressable sectors:  976773168
>                  Logical/Physical Sector size:           512 bytes
>                  device size with M = 1024*1024:      476940 MBytes
>                  device size with M = 1000*1000:      500107 MBytes (500 GB)
>                  cache/buffer size  = unknown
>         Capabilities:
>                  LBA, IORDY(can be disabled)
>                  Queue depth: 32
>                  Standby timer values: spec'd by Standard, with device specific minimum
>                  R/W multiple sector transfer: Max = 16  Current = 0
>                  Recommended acoustic management value: 128, current value: 254
>                  DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6
>                       Cycle time: min=120ns recommended=120ns
>                  PIO: pio0 pio1 pio2 pio3 pio4
>                       Cycle time: no flow control=120ns  IORDY flow control=120ns
>         Commands/features:
>                  Enabled Supported:
>                     *    SMART feature set
>                          Security Mode feature set
>                     *    Power Management feature set
>                          Write cache
>                     *    Look-ahead
>                     *    Host Protected Area feature set
>                     *    WRITE_BUFFER command
>                     *    READ_BUFFER command
>                     *    NOP cmd
>                     *    DOWNLOAD_MICROCODE
>                          Power-Up In Standby feature set
>                     *    SET_FEATURES required to spinup after power up
>                          SET_MAX security extension
>                          Automatic Acoustic Management feature set
>                     *    48-bit Address feature set
>                     *    Device Configuration Overlay feature set
>                     *    Mandatory FLUSH_CACHE
>                     *    FLUSH_CACHE_EXT
>                     *    SMART error logging
>                     *    SMART self-test
>                     *    General Purpose Logging feature set
>                     *    64-bit World wide name
>                     *    {READ,WRITE}_DMA_EXT_GPL commands
>                     *    Segmented DOWNLOAD_MICROCODE
>                     *    Gen1 signaling speed (1.5Gb/s)
>                     *    Gen2 signaling speed (3.0Gb/s)
>                     *    Native Command Queueing (NCQ)
>                     *    Host-initiated interface power management
>                     *    Phy event counters
>                     *    NCQ priority information
>                     *    DMA Setup Auto-Activate optimization
>                     *    Software settings preservation
>                     *    SMART Command Transport (SCT) feature set
>                     *    SCT Long Sector Access (AC1)
>                     *    SCT LBA Segment Access (AC2)
>                     *    SCT Features Control (AC4)
>                     *    SCT Data Tables (AC5)
>                          unknown 206[12] (vendor specific)
>                          unknown 206[13] (vendor specific)
>         Security:
>                  Master password revision code = 65534
>                          supported
>                  not     enabled
>                  not     locked
>                  not     frozen
>                  not     expired: security count
>                          supported: enhanced erase
>                  102min for SECURITY ERASE UNIT. 102min for ENHANCED SECURITY ERASE UNIT.
>         Logical Unit WWN Device Identifier: 50014ee2af8fec40
>                  NAA             : 5
>                  IEEE OUI        : 0014ee
>                  Unique ID       : 2af8fec40
>
>
>         Thanks,
>
>
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Binovo IT Human Project, S.L.
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