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woflux
Joined: 11 Sep 2012 Posts: 22
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Posted: Wed 19 Dec 2012, 17:54 Post subject:
hd led blinking |
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Hello, I have noticed that when Slacko is on without any program running, the HD led blinks fast about every 5-6 seconds is it normal and what does it do?
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Flash
Official Dog Handler

Joined: 04 May 2005 Posts: 12824 Location: Arizona USA
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Posted: Wed 19 Dec 2012, 19:38 Post subject:
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I run Puppy from a multisession DVD without a hard disk drive in the computer, so I'm no expert, but for a full install on a hard disk I'm pretty sure it's normal for that led to show periodic activity even though nothing is going on.
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Sylvander
Joined: 15 Dec 2008 Posts: 4328 Location: West Lothian, Scotland, UK
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Posted: Wed 19 Dec 2012, 20:26 Post subject:
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Is your Slacko connected to the web?
When I'm connected to the web...
I believe my ISP is periodically, at frequent intervals, checking to see if I'm still here/connected.
That would cause some activity at my end I guess.
Where that activity takes place [RAM or internal HDD?] would depend on the kind of installation methinks.
My Slacko is set up to NOT periodically-auto-write-back-during-the-session [from RAM where things are running] to the slackosave on the internal HDD, so no HDD activity to be expected there.
If I clicked the "Save..." icon on the desktop, it would be reasonable to then see resulting activity on the HDD as the HDD was written to.
[I also have my Slacko set up to treat the slackosave on the internal HDD as though it's a slackosave on a Flash Drive, which is why there is a "Save.." icon on the desktop]
Is your Slacko installed to the internal HDD or what?
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Jasper
Joined: 25 Apr 2010 Posts: 1350 Location: England
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Posted: Wed 19 Dec 2012, 21:50 Post subject:
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Hi,
I boot from a multisession CD into RAM and use a mounted
flash stick where I store any data I want to save as I work.
I also have folders on my flash stick which are linked back
to the CD/RAM (e.g. wine, .wine and .mozilla)
I have also wondered why my LED HD light blinks when I
don't have any HD partitions mounted (and I don't use Swap).
Strangely, at the moment it is blinking at about six second
intervals. I had never counted the intervals before now.
The blink rate is constant, with or without any browser
loaded and with no apps loaded.
My regards
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Sylvander
Joined: 15 Dec 2008 Posts: 4328 Location: West Lothian, Scotland, UK
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Posted: Wed 19 Dec 2012, 23:12 Post subject:
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Just now checked...
When I click the "Save..." icon on my desktop...
The LED for the internal HDD glows red for about 1 second during the [session changes] copy back from RAM to HDD.
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woflux
Joined: 11 Sep 2012 Posts: 22
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Posted: Thu 20 Dec 2012, 12:10 Post subject:
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I boot from CD then it loads the savefile from the hard disk, I'd like to know what causes the HD to be used every 5 seconds, maybe Slack updates some file in the savefile ?
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2byte
Joined: 09 Oct 2006 Posts: 357
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Posted: Thu 20 Dec 2012, 15:22 Post subject:
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You can run top in a terminal and see what process coincides with the activity
_________________
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woflux
Joined: 11 Sep 2012 Posts: 22
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Posted: Fri 21 Dec 2012, 06:43 Post subject:
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I already checked but the only processes that use some CPU are like X, busybox and i cant kill them
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Flash
Official Dog Handler

Joined: 04 May 2005 Posts: 12824 Location: Arizona USA
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Posted: Fri 21 Dec 2012, 08:48 Post subject:
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It may be that the light flickers for more than just hard disk activity. What does the motherboard documentation say about it?
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8-bit

Joined: 03 Apr 2007 Posts: 3425 Location: Oregon
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Posted: Fri 21 Dec 2012, 13:39 Post subject:
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If that action of the hard drive led was happening in Windows, I would assume that the defrag utility was running in the background.
But with Puppy, what background actions does it have that would cause that action?
Could it just be a matter of the pmount or simular background function periodically looking for new devices such as a CD/DVD disk or a USB device that was plugged in?
In other words, a periodic update check for attached devices like checking to see if a USB device had been plugged in.
If one is concerned about the possibility of a hacking attempt via the net to access the drive, just click on the internet icon on the task bar and select "Disconnect from network" and see if the hard drive led stops flashing.
The last thing a Puppy user wants to think is that some process is accessing his hard drive data/ personal information without his knowledge!
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Q5sys

Joined: 11 Dec 2008 Posts: 1126
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Posted: Sun 23 Dec 2012, 16:28 Post subject:
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couple bash programs may help you here.
iotop (its python based) will let you know what program accessing your drive.
iostat will let you know what dev is being accessed.
lsof will let you know what files are currently in use by the system.
IOtop is not included with puppy, so you'll have to get it online.
IOstat and lsof may be included... will depend on what puppy you are running.
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8-bit

Joined: 03 Apr 2007 Posts: 3425 Location: Oregon
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Posted: Tue 25 Dec 2012, 03:20 Post subject:
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In Puppy Slacko 5.4.1, iostat is present. The other two utilities are not.
So I will have to do a web search for them.
But thank you for the suggestions.
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Q5sys

Joined: 11 Dec 2008 Posts: 1126
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Posted: Tue 25 Dec 2012, 13:01 Post subject:
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8-bit wrote: | In Puppy Slacko 5.4.1, iostat is present. The other two utilities are not.
So I will have to do a web search for them.
But thank you for the suggestions. |
interisting... I thought I remember during beta stages that lsof was included in slacko. (I specifically asked about it since it would help debug problems when we are trying to help users with no linux experience)
Here they are. But as I mentioned.. iotop requires python to run. (its a python script)
Description |
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Download |
Filename |
iotop-0.4.4.pet |
Filesize |
36.1 KB |
Downloaded |
626 Time(s) |
Description |
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Download |
Filename |
lsof-4.83.pet |
Filesize |
51.51 KB |
Downloaded |
611 Time(s) |
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Karl Godt

Joined: 20 Jun 2010 Posts: 4208 Location: Kiel,Germany
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Posted: Thu 21 Mar 2013, 15:52 Post subject:
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The partition where the Puppy files are located is mounted read-write all of the time. If there is a filesystem driver managing the partition loaded (mostly built into the vmlinuz kernel directly) , it will always do some operations on the partition, especially if it is a journal 'ed filesystem ie ntfs, ext3 .
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Ted Dog

Joined: 13 Sep 2005 Posts: 4013 Location: Heart of Texas
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Posted: Thu 21 Mar 2013, 16:27 Post subject:
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Just the government spying on your computer, nothing to worry about remember the scene from the SUM of ALL FEARS.
I noticed it as well on a DVD booted machine without a HD about every six seconds
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