Re: Question on difference between dnf upgrade versus clean install?

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> You might run a smartctl --all /dev/<disk> and see if the disk is
> reporting issues with sectors.
>
> A few slow but still readable sectors would push up the time.
>

hdparm -Tt /dev/sda
/dev/sda:
 Timing cached reads:   8624 MB in  1.99 seconds = 4323.10 MB/sec
 Timing buffered disk reads: 398 MB in  3.01 seconds = 132.12 MB/sec

did short smartctl test see no errors.

smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.6.13-200.fc31.x86_64] (local
build)
Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:     Seagate Mobile HDD
Device Model:     ST1000LM035-1RK172
Serial Number:    ZDEBD551
LU WWN Device Id: 5 000c50 0b21db1f2
Firmware Version: SDM2
User Capacity:    1,000,204,886,016 bytes [1.00 TB]
Sector Sizes:     512 bytes logical, 4096 bytes physical
Rotation Rate:    5400 rpm
Form Factor:      2.5 inches
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   ACS-3 T13/2161-D revision 3b
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is:    Fri May 29 23:43:17 2020 ChST
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:  (0x00)	Offline data collection activity
					was never started.
					Auto Offline Data Collection: Disabled.
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: 		(    0) seconds.
Offline data collection
capabilities: 			 (0x71) SMART execute Offline immediate.
					No Auto Offline data collection support.
					Suspend Offline collection upon new
					command.
					No Offline surface scan supported.
					Self-test supported.
					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: 	 ( 162) minutes.
Conveyance self-test routine
recommended polling time: 	 (   2) minutes.
SCT capabilities: 	       (0x3035)	SCT Status supported.
					SCT Feature Control supported.
					SCT Data Table supported.

SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED 
WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x000f   082   064   006    Pre-fail  Always  
    -       148372794
  3 Spin_Up_Time            0x0003   099   099   000    Pre-fail  Always  
    -       0
  4 Start_Stop_Count        0x0032   100   100   020    Old_age   Always  
    -       37
  5 Reallocated_Sector_Ct   0x0033   100   100   036    Pre-fail  Always  
    -       0
  7 Seek_Error_Rate         0x000f   082   060   045    Pre-fail  Always  
    -       168378750
  9 Power_On_Hours          0x0032   089   089   000    Old_age   Always  
    -       9738 (126 157 0)
 10 Spin_Retry_Count        0x0013   100   100   097    Pre-fail  Always  
    -       0
 12 Power_Cycle_Count       0x0032   100   100   020    Old_age   Always  
    -       36
184 End-to-End_Error        0x0032   100   100   099    Old_age   Always  
    -       0
187 Reported_Uncorrect      0x0032   100   100   000    Old_age   Always  
    -       0
188 Command_Timeout         0x0032   100   100   000    Old_age   Always  
    -       0
189 High_Fly_Writes         0x003a   100   100   000    Old_age   Always  
    -       0
190 Airflow_Temperature_Cel 0x0022   054   046   040    Old_age   Always  
    -       46 (Min/Max 33/52)
191 G-Sense_Error_Rate      0x0032   100   100   000    Old_age   Always  
    -       252
192 Power-Off_Retract_Count 0x0032   100   100   000    Old_age   Always  
    -       4
193 Load_Cycle_Count        0x0032   001   001   000    Old_age   Always  
    -       201701
194 Temperature_Celsius     0x0022   046   054   000    Old_age   Always  
    -       46 (0 25 0 0 0)
197 Current_Pending_Sector  0x0012   100   100   000    Old_age   Always  
    -       0
198 Offline_Uncorrectable   0x0010   100   100   000    Old_age   Offline 
    -       0
199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age   Always  
    -       0
240 Head_Flying_Hours       0x0000   100   253   000    Old_age   Offline 
    -       9457 (101 150 0)
241 Total_LBAs_Written      0x0000   100   253   000    Old_age   Offline 
    -       10494634824
242 Total_LBAs_Read         0x0000   100   253   000    Old_age   Offline 
    -       2837485253
254 Free_Fall_Sensor        0x0032   100   100   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%      9738      
  -
# 2  Short offline       Completed without error       00%      1509      
  -

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.



> On Fri, May 29, 2020 at 1:25 AM Michael D. Setzer II via users
> <users@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
>>
>> > On 2020-05-29 01:58, Michael D. Setzer II via users wrote:
>> >> I've got 5 Fedora machines at my house. Recently
>> >> upgraded a couple since FC30 was becoming EOL.
>> >>
>> >> Some I did a clean install. New Hard disk, and install
>> >> from iso. Usually, that takes about 1/2 hour for whole
>> >> process. Including install of OS, and then install of a
>> >> number of other packages I use that are not installed by
>> >> default.
>> >>
>> >> Did update on my notebook machine as well using dnf
>> >> system update. This system has some more packages
>> >> installed. Showed 5070 versus about 2000+ for the
>> >> clean install. Download process took about 30 minutes,
>> >> but then the reboot and upgrade process took just over
>> >> 14 hours. Total was 14 hours 50 minutes.
>> >>
>> >> Not clear why it would take 15 times as long? Checked
>> >> while running, and dnf was running at 100%, but just
>> >> using 1 cpu. Notebook has dual cpus. Don't know if
>> >> others just run it, and check when done, but seems to
>> >> be a bigger difference in time than it should be.
>> >
>> > I do not know why your upgrade would have taken so long.  I just
>> upgraded
>> > an
>> > F30 VM to F32.  It is a pretty vanilla Workstation install.  The
>> VM's
>> > disks are actually
>> > hosted on a NAS over nfs and are traditional spinning HW.
>> >
>> > I upgraded via "dnf system-upgrade".  The number of packages
>> upgraded was
>> > 1656.
>> > The download phase took 9 minutes 10 seconds.  The upgrade phase
>> took a
>> > few ticks
>> > over 25 minutes.
>> >
>> > I would think that checking
>> >
>> > dnf system-upgrade log
>> >
>> > and seeing if one area in particular was responsible for the
>> excessive
>> > time may be
>> > helpful.
>> >
>> > Another recent upgrade of an old notebook from F31->F32, Core2 Duo
>> CPU,
>> > with 2626
>> > packages upgraded took 58 minutes.  That notebook does have an SSD.
>> >
>> > --
>> > The key to getting good answers is to ask good questions.
>>
>> Pulled the data from the boot.log
>> 31814 lines
>> Total Time 14:59.59.05
>> Longest single change was 1156.203674 seconds
>> [ 1740.207952] dnf[807]:   Running scriptlet:
>> filesystem-3.12-2.fc31.x86_64                          1/1
>> Average of transactions 1.6918392547953
>> Only 11 transactions took 60 seconds or longer
>>
>> Had to clean out lines that where mixed in with the upgrade of starting
>> and stopping things during process.
>> Extracted the time data, and then compared the times of each process to
>> calculate the difference.
>>
>> CPU is Intel(R) Pentium(R) CPU 2020M @ 2.40GHz with just 2 cores.
>> Has 12G of Ram.
>>
>> If you want, I could send you the libreoffice calc file. Perhaps you
>> would
>> see something that I've missed.
>>
>> > _______________________________________________
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>> > Fedora Code of Conduct:
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>> > List Guidelines:
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>> > List Archives:
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>> >
>>
>> _______________________________________________
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>> To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
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> _______________________________________________
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> To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
> Fedora Code of Conduct:
> https://docs.fedoraproject.org/en-US/project/code-of-conduct/
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> List Archives:
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>

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