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Old 05-06-2010, 06:16 PM
"Jason Pyeron"
 
Default Install of 5.4 i386 formatting is very slow

It is writing an inode every 10 seconds. (1621 inodes in total)

It is a recent Seagate sata HD.

MB=Jetway J7F5M1G2E-VHE-PB

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Old 05-06-2010, 06:27 PM
"Joseph L. Casale"
 
Default Install of 5.4 i386 formatting is very slow

>It is writing an inode every 10 seconds. (1621 inodes in total)
>
>It is a recent Seagate sata HD.
>
>MB=Jetway J7F5M1G2E-VHE-PB

Not at all surprising on that mobo, u really need CentOS
on that puny thing?
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Old 05-06-2010, 08:25 PM
fred smith
 
Default Install of 5.4 i386 formatting is very slow

On Thu, May 06, 2010 at 02:16:05PM -0400, Jason Pyeron wrote:
> It is writing an inode every 10 seconds. (1621 inodes in total)
>
> It is a recent Seagate sata HD.
>
> MB=Jetway J7F5M1G2E-VHE-PB

Is this one of the new 4096-bytes-per-sector Seagate drives? If so,
you need to do some research around the 'net to find recommended
procedures for aligning partitions. without partitions properly
aligned (so that they start on a 4096-byte boundary) things are
said to get veeeerrrrrrry sloooooooowwwwwww (though I have no personal
experience of it, so I can't speak to HOW slow.)


--
---- Fred Smith -- fredex@fcshome.stoneham.ma.us -----------------------------
But God demonstrates his own love for us in this:
While we were still sinners,
Christ died for us.
------------------------------- Romans 5:8 (niv) ------------------------------
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Old 05-06-2010, 09:09 PM
"Jason Pyeron"
 
Default Install of 5.4 i386 formatting is very slow

--
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- Jason Pyeron PD Inc. http://www.pdinc.us -
- Principal Consultant 10 West 24th Street #100 -
- +1 (443) 269-1555 x333 Baltimore, Maryland 21218 -
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This message is copyright PD Inc, subject to license 20080407P00.



> -----Original Message-----
> From: centos-bounces@centos.org
> [mailto:centos-bounces@centos.org] On Behalf Of fred smith
> Sent: Thursday, May 06, 2010 16:26
> To: 'CentOS mailing list'
> Subject: Re: [CentOS] Install of 5.4 i386 formatting is very slow
>
> On Thu, May 06, 2010 at 02:16:05PM -0400, Jason Pyeron wrote:
> > It is writing an inode every 10 seconds. (1621 inodes in total)
> >
> > It is a recent Seagate sata HD.
> >
> > MB=Jetway J7F5M1G2E-VHE-PB
>
> Is this one of the new 4096-bytes-per-sector Seagate drives?
> If so, you need to do some research around the 'net to find
> recommended procedures for aligning partitions. without
> partitions properly aligned (so that they start on a
> 4096-byte boundary) things are said to get veeeerrrrrrry

ST3250824AS 250 Gbytes (488,397,168 bytes) 512 byte per sector.

> sloooooooowwwwwww (though I have no personal experience of
> it, so I can't speak to HOW slow.)
>
>
> --
> ---- Fred Smith -- fredex@fcshome.stoneham.ma.us
> -----------------------------
> But God demonstrates his own love for us in this:
> While we were still sinners,
> Christ died for us.
> ------------------------------- Romans 5:8 (niv)
> ------------------------------
> _______________________________________________
> CentOS mailing list
> CentOS@centos.org
> http://lists.centos.org/mailman/listinfo/centos
>

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Old 05-06-2010, 09:11 PM
"Jason Pyeron"
 
Default Install of 5.4 i386 formatting is very slow

> -----Original Message-----
> From: centos-bounces@centos.org
> [mailto:centos-bounces@centos.org] On Behalf Of Joseph L. Casale
> Sent: Thursday, May 06, 2010 14:27
> To: 'CentOS mailing list'
> Subject: Re: [CentOS] Install of 5.4 i386 formatting is very slow
>
> >It is writing an inode every 10 seconds. (1621 inodes in total)
> >
> >It is a recent Seagate sata HD.
> >
> >MB=Jetway J7F5M1G2E-VHE-PB
>
> Not at all surprising on that mobo, u really need CentOS on

It still should not be that slow, should it?

> that puny thing?

It will be a dhcp/dns server.

It will eventuall be booted from a solid state drive, but doing development on
the sata drive.

> _______________________________________________
> CentOS mailing list
> CentOS@centos.org
> http://lists.centos.org/mailman/listinfo/centos
>



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- Principal Consultant 10 West 24th Street #100 -
- +1 (443) 269-1555 x333 Baltimore, Maryland 21218 -
- -
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
This message is copyright PD Inc, subject to license 20080407P00.

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Old 05-06-2010, 09:11 PM
Benjamin Franz
 
Default Install of 5.4 i386 formatting is very slow

On 05/06/2010 11:16 AM, Jason Pyeron wrote:
> It is writing an inode every 10 seconds. (1621 inodes in total)
>
> It is a recent Seagate sata HD.
>
> MB=Jetway J7F5M1G2E-VHE-PB
>
What do you get from running 'iostat -kx 5' (be sure to wait until the
second report) while the formatting is running?

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Old 05-06-2010, 09:32 PM
"Jason Pyeron"
 
Default Install of 5.4 i386 formatting is very slow

> -----Original Message-----
> From: Benjamin Franz
> Sent: Thursday, May 06, 2010 17:12
> To: CentOS mailing list
> Cc: Jason Pyeron
> Subject: Re: [CentOS] Install of 5.4 i386 formatting is very slow
>
> On 05/06/2010 11:16 AM, Jason Pyeron wrote:
> > It is writing an inode every 10 seconds. (1621 inodes in total)
> >
> > It is a recent Seagate sata HD.
> >
> > MB=Jetway J7F5M1G2E-VHE-PB
> >
> What do you get from running 'iostat -kx 5' (be sure to wait
> until the second report) while the formatting is running?
>

This is running faster than during the install ( I have done a yum update now at
2.6.18-164.15.1.el5)

Middle (inode tables: 130/235) of format on 23G logical volume [bit erratic?]:

avg-cpu: %user %nice %system %iowait %steal %idle
0.26 0.00 99.74 0.00 0.00 0.00

Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz
await svctm %util
hdb 0.00 1852.62 0.00 46.86 0.00 7493.19 319.82 2.73
58.34 20.44 95.76
hdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
hdb2 0.00 1852.62 0.00 46.86 0.00 7493.19 319.82 2.73
58.34 20.44 95.76
dm-0 0.00 0.00 0.00 1.05 0.00 4.19 8.00 0.03
27.25 27.00 2.83
dm-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
sda1 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 1898.43 0.00 7593.72 8.00
201.75 106.27 0.50 95.76

avg-cpu: %user %nice %system %iowait %steal %idle
0.53 0.00 99.47 0.00 0.00 0.00

Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz
await svctm %util
hdb 0.00 1881.32 0.00 27.11 0.00 7663.16 565.44 2.66
98.12 35.34 95.79
hdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
hdb2 0.00 1881.32 0.00 27.11 0.00 7663.16 565.44 2.66
98.12 35.34 95.79
dm-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
dm-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
sda1 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 1908.42 0.00 7633.68 8.00
216.68 113.52 0.50 95.82

avg-cpu: %user %nice %system %iowait %steal %idle
0.00 0.00 100.00 0.00 0.00 0.00

Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz
await svctm %util
hdb 0.00 1845.48 0.00 29.46 0.00 7532.82 511.44 2.69
91.46 32.52 95.79
hdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
hdb2 0.00 1845.48 0.00 29.46 0.00 7532.82 511.44 2.69
91.46 32.52 95.79
dm-0 0.00 0.00 0.00 1.03 0.00 4.13 8.00 0.03
33.50 33.00 3.41
dm-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
sda1 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 1873.90 0.00 7495.61 8.00
216.12 115.34 0.51 95.76

avg-cpu: %user %nice %system %iowait %steal %idle
0.26 0.00 99.74 0.00 0.00 0.00

Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz
await svctm %util
hdb 0.00 1843.30 0.00 25.77 0.00 7506.19 582.48 2.73
106.12 37.13 95.70
hdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
hdb2 0.00 1843.30 0.00 25.77 0.00 7506.19 582.48 2.73
106.12 37.13 95.70
dm-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
dm-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
sda1 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 1869.07 0.00 7476.29 8.00
218.72 117.06 0.51 95.70

avg-cpu: %user %nice %system %iowait %steal %idle
0.25 0.00 99.75 0.00 0.00 0.00

Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz
await svctm %util
hdb 0.00 1819.54 0.00 22.59 0.00 7524.87 666.25 2.79
123.55 42.40 95.79
hdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
hdb2 0.00 1819.54 0.00 22.59 0.00 7524.87 666.25 2.79
123.55 42.40 95.79
dm-0 0.00 0.00 0.00 1.02 0.00 4.06 8.00 0.02
19.00 18.75 1.90
dm-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
sda1 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 1840.61 0.00 7362.44 8.00
221.87 120.55 0.52 95.84


AT REST:

avg-cpu: %user %nice %system %iowait %steal %idle
0.00 0.00 0.20 0.00 0.00 99.80

Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz
await svctm %util
hdb 0.00 0.20 0.00 0.40 0.00 2.40 12.00 0.00
0.50 0.50 0.02
hdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
hdb2 0.00 0.20 0.00 0.40 0.00 2.40 12.00 0.00
0.50 0.50 0.02
dm-0 0.00 0.00 0.00 0.60 0.00 2.40 8.00 0.00
0.67 0.33 0.02
dm-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00
sda1 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 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00



> --
> Benjamin Franz
>




--
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
- -
- Jason Pyeron PD Inc. http://www.pdinc.us -
- Principal Consultant 10 West 24th Street #100 -
- +1 (443) 269-1555 x333 Baltimore, Maryland 21218 -
- -
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
This message is copyright PD Inc, subject to license 20080407P00.

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Old 05-06-2010, 09:33 PM
"Joseph L. Casale"
 
Default Install of 5.4 i386 formatting is very slow

>avg-cpu: %user %nice %system %iowait %steal %idle
> 0.26 0.00 99.74 0.00 0.00 0.00

What options exist in your bios for that controller? That's
rather high %system

But it is a rather small proc...
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Old 05-06-2010, 09:35 PM
Tim Nelson
 
Default Install of 5.4 i386 formatting is very slow

----- "Jason Pyeron" <jpyeron@pdinc.us> wrote:
>
> Why is my SATA drive showing up under /dev/hdb?
>

Check your BIOS and set the SATA controller mode to 'NATIVE'. Right now, I'd be willing to bet it's in 'Legacy' or something similar which causes the drives to run in IDE mode, hence why your drive shows up as hdb instead of sdb. This translated legacy mode is horribly slow.

Tim Nelson
Systems/Network Support
Rockbochs Inc.
(218)727-4332 x105
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Old 05-06-2010, 09:37 PM
John R Pierce
 
Default Install of 5.4 i386 formatting is very slow

Jason Pyeron wrote:
>> What do you get from running 'iostat -kx 5' (be sure to wait
>> until the second report) while the formatting is running?
>>
>
> avg-cpu: %user %nice %system %iowait %steal %idle
> 0.53 0.00 99.47 0.00 0.00 0.00
>
> Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz wait svctm %util
> hdb 0.00 1881.32 0.00 27.11 0.00 7663.16 565.44 2.66 98.12 35.34 95.79
>


looks like its running in PIO IDE emulation mode per...

* 99% CPU busy in system,
* 7.7MByte/sec writes,
* 95% disk utilization.


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