Change Spin Down Button


Recommended Posts

From what it does now, to sync the file system, then spin down.

 

After a large write, I have to wait for about a minute before I can spin down the disks as spurious writes seem to be made, if I spin it down straoght after a large copy, it spins back up again after a few moments.

Link to comment

Thanks dlandon, I have installed tips and tweaks, the options seem to be the size of the cache, not the speed it is flushed to disk.  I've set the size percentages smaller and will see where that goes.  

 

I would still prefer to see the Spin Down disks button flush the cache before spinning down disks.

Link to comment

A potential solution to this might be the following action on hitting spin down button...

 

Read vm.dirty_expire_centisecs

Change vm.dirty_expire_centisecs from read value to 1 second (potentially 0 seconds)

Spin Down the disks

Wait 1 or 2 seconds

(If any disks spun up) Spin Down the disks (or just spin them down again)

Restore vm.dirty_expire_centisecs to original read value

 

Currently, after a large write you need to wait 2 of 30 second intervals i.e. a minute before you can spin down the disks for the write cache to be flushed to disk

 

Link to comment

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.