From: Warren Young Sent: April 22, 2015 20:46
On Apr 22, 2015, at 11:56 AM, Hugh E Cruickshank
h...@forsoft.com wrote:
I have done some what if testing.
Using which tool? My simulator, or something you cooked up
yourself? If the latter, would you care to share?
I cobbled something
On Apr 23, 2015, at 8:49 AM, Hugh E Cruickshank h...@forsoft.com wrote:
From: Warren Young Sent: April 22, 2015 20:46
On Apr 22, 2015, at 11:56 AM, Hugh E Cruickshank
h...@forsoft.com wrote:
I have done some what if testing.
Using which tool? My simulator, or something you cooked up
From: Warren Young Sent: April 21, 2015 14:13
On Apr 21, 2015, at 9:50 AM, Hugh E Cruickshank wrote:
From: Kay Diederichs Sent: April 21, 2015 03:43
instead of having 20 for all of them, set
the first filesystem to 17, the second to 19, the third to
23, and the
fourth to 29.
On Apr 22, 2015, at 11:56 AM, Hugh E Cruickshank h...@forsoft.com wrote:
I have done some what if testing.
Using which tool? My simulator, or something you cooked up yourself? If the
latter, would you care to share?
I’ve updated mine to break out the stats for 3+ volumes instead of just
On 4/20/2015 9:08 PM, Hugh E Cruickshank wrote:
The second idea was to set each filesystem to a different random count
value. This would run the risk of having two or more executions at
the same time but it would probably not be very frequent.
Does anyone have a suggestion for a better way of
On Tue, Apr 21, 2015 at 9:38 AM, Hugh E Cruickshank h...@forsoft.com wrote:
CentOS 6
My first idea was to manually run fsck on each filesystem, one every
couple of weeks. That way they will not all come due at the same time
if we reboot on a regular basis.
The second idea was to set each
On 04/21/2015 09:40 AM, Hugh E Cruickshank wrote:
I accept that fscks are required on a periodic basis and I am willing
to reboot more often to achieve these but I would like to minimize
downtime (during the reboot) where possible.
Why do you accept that? The default behavior for filesystems
From: Les Mikesell Sent: April 21, 2015 09:54
On Tue, Apr 21, 2015 at 11:40 AM, Hugh E Cruickshank wrote:
I am trying to avoid running them at the same time in an effort to
avoid 70 minute boot times (which is what happened on the weekend).
How many filesystems do you have?
It varies
From: Gordon Messmer Sent: April 21, 2015 10:30
On 04/21/2015 09:40 AM, Hugh E Cruickshank wrote:
I accept that fscks are required on a periodic basis and I
am willing
to reboot more often to achieve these but I would like to minimize
downtime (during the reboot) where possible.
Why
From: John R Pierce Sent: April 20, 2015 23:58
On 4/20/2015 9:08 PM, Hugh E Cruickshank wrote:
The second idea was to set each filesystem to a different
random count
value. This would run the risk of having two or more executions at
the same time but it would probably not be very
From: Kay Diederichs Sent: April 21, 2015 03:43
On 04/21/2015 06:08 AM, Hugh E Cruickshank wrote:
The second idea was to set each filesystem to a different random
count value. This would run the risk of having two or more
executions at the same time but it would probably not be very
From: Arun Khan Sent: April 20, 2015 23:49
Take a look at 'man tune2fs' and 'man fstab' for modifying the fsck
order in your system.
Thanks but I did look at those and I was not able to find anything
that would limit the fsck executions to one per reboot. Changing the
order of execution
From: Mark Milhollan Sent: April 21, 2015 05:35
On Mon, 20 Apr 2015, Hugh E Cruickshank wrote:
CentOS 6
From ''man fstab'' ...
The sixth field, (fs_passno), is used by the fsck(8)
program to determine the order
in which filesystem checks are done at reboot time.
The
On Apr 21, 2015, at 3:12 PM, Warren Young w...@etr-usa.com wrote:
With the four values that Kay provided, I calculate a 1.2% chance on average
that two or more volumes will need to be checked on the same reboot.
Ooops, forgot to mention one other minor detail:
This calculator gives the
On Tue, April 21, 2015 2:13 pm, Hugh E Cruickshank wrote:
From: Gordon Messmer Sent: April 21, 2015 10:30
On 04/21/2015 09:40 AM, Hugh E Cruickshank wrote:
I accept that fscks are required on a periodic basis and I
am willing
to reboot more often to achieve these but I would like to
On Apr 21, 2015, at 9:50 AM, Hugh E Cruickshank h...@forsoft.com wrote:
From: Kay Diederichs Sent: April 21, 2015 03:43
instead of having 20 for all of them, set
the first filesystem to 17, the second to 19, the third to 23, and the
fourth to 29.
Thanks but that is not much different
On 04/21/2015 12:13 PM, Hugh E Cruickshank wrote:
From: Gordon Messmer Sent: April 21, 2015 10:30
Why do you accept that?
Every article I have read on the subject has recommended this a good
practice.
Not every source is equal.
The maintainers turned that behavior off by default sometime
On 04/21/2015 06:08 AM, Hugh E Cruickshank wrote:
CentOS 6
Hi All:
Over the weekend I had to reboot one of my systems and got hit with
fsck runs on all of the filesystems. I would not mind so much except
doing them all at once took over an hour. I would like to be able to
stagger these,
On Tue, Apr 21, 2015 at 11:40 AM, Hugh E Cruickshank h...@forsoft.com wrote:
From: Les Mikesell Sent: April 21, 2015 09:19
Why do you care about running them at the same time when it doesn't
take longer to run them all in parallel? Except I think the root
filesystem normally runs first. So
On Tue, April 21, 2015 11:19 am, Les Mikesell wrote:
On Tue, Apr 21, 2015 at 11:01 AM, Hugh E Cruickshank h...@forsoft.com
wrote:
Thanks but changing the order of execution or executing them in
parallel does not help with executing them one per reboot.
Why do you care about running them
From: Les Mikesell Sent: April 21, 2015 09:19
Why do you care about running them at the same time when it doesn't
take longer to run them all in parallel? Except I think the root
filesystem normally runs first. So you might want to stagger it vs.
everything else.
I am trying to avoid
From: Hugh E Cruickshank Sent: April 20, 2015 21:09
Over the weekend I had to reboot one of my systems and got hit with
fsck runs on all of the filesystems. I would not mind so much except
doing them all at once took over an hour. I would like to be able to
stagger these, ideally only
On Tue, Apr 21, 2015 at 11:01 AM, Hugh E Cruickshank h...@forsoft.com wrote:
Thanks but changing the order of execution or executing them in
parallel does not help with executing them one per reboot.
Why do you care about running them at the same time when it doesn't
take longer to run them
CentOS 6
Hi All:
Over the weekend I had to reboot one of my systems and got hit with
fsck runs on all of the filesystems. I would not mind so much except
doing them all at once took over an hour. I would like to be able to
stagger these, ideally only execute one fsck per reboot. I have been
able
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