Re: [CentOS] 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

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