[olug] SSD & linux

[Sheldon, Roger W]

Yeh good advice and I am contemplating that  actually.
 

Roger Sheldon
Storage Engineer
wk 402.777.7901
cell 402.889.2585

-----Original Message-----
From: olug-bounces at olug.org [mailto:olug-bounces at olug.org] On Behalf Of Brady Cox
Sent: Monday, February 25, 2013 6:23 PM
To: Omaha Linux User Group
Subject: Re: [olug] SSD & linux

You could just mount /tmp and /var to a hard disk...


On Mon, Feb 25, 2013 at 4:44 PM, Rob Townley <rob.townley at gmail.com> wrote:

> On Mon, Feb 25, 2013 at 2:10 PM, Rob Townley <rob.townley at gmail.com>
> wrote:
> > On Mon, Feb 25, 2013 at 1:30 PM, Obi-Wan <obiwan at jedi.com> wrote:
> >>> Also set swappiness=5 since I got 32G ram and mounted /tmp and
> /var/logs into RAM so they get deleted on every reboot or shutdown.
> >>
> >> The sysadmin in me shrieks in terror at the thought of /var/logs 
> >> getting wiped at ever reboot.
> >
> > i like those details, CentOS 6 can not use the 'discard' trim option 
> > because it is only at 2.6.32, but 'discard' requires 2.6.35.  Then 
> > again, i should check the --changelog to see if it was backported.
> >
> > rsyslog is already comes preinstalled in most distributions so 
> > logging does not have to wear out your ssd.
> > Alternatively, is their room to add a spinning platters hdd for logging.
>
>
> hmmm, my KDE Trash can was empty, but running fstrim found  fstrim 
> --verbose /
> /: 25667268608 bytes were trimmed
>
> More hmmm, discard destroys performance with some vendors.  Wonder who 
> is vendor2 and vendor3?
> http://people.redhat.com/lczerner/discard/ext4_discard.html
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