[Novalug] Does swap shorten the life of solid state drives?
Jon LaBadie
novalugml@jgcomp.com
Thu Jan 27 03:42:52 EST 2011
I replied earlier with iostat data from my Fedora 14 desktop
suggesting swap was basically inactive. For another data
point here is my Ubuntu 10.10 laptop about a week after boot.
Its drive is an SSD.
$ swapon -s
Filename Type Size Used Priority
/dev/sda2 partition 4095996 31904 -1
$ iostat /dev/sda?
Linux 2.6.35-24-generic (vost) 01/27/2011 _i686_ (2 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
1.57 0.50 3.44 0.01 0.00 94.48
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn Mnt_Point *
sda1 0.00 0.01 0.00 2602 448 /boot
sda2 0.00 0.03 18.30 11664 8282312 swap
sda3 0.92 20.97 18.27 9491626 8270192 / **
* Again, I added the Mount Point column
** VirtualBox's virtual disks are not a separate partition on this system
Quite different results from the desktop system.
Jon
--
Jon H. LaBadie novalugml@jgcomp.com
JG Computing
12027 Creekbend Drive (703) 787-0884
Reston, VA 20194 (703) 787-0922 (fax)
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