Removable storage devices and sync
David Zeuthen
david at fubar.dk
Thu Oct 28 14:47:21 UTC 2004
On Thu, 2004-10-28 at 14:27 +0200, Ralf Ertzinger wrote:
> Hi.
>
> Nils Philippsen <nphilipp at redhat.com> wrote:
>
> > IIRC it depends on the size of the storage, i.e. if it is below a
> > certain size it won't get moutned sync because then it's probably some
> > kind of a flash device which can only be written a certain number of
> > times. In that case, sync is a bad idea because it will wear your device
> > much faster.
Right, that is the heuristic we use.
> Hmm. The following is an excerpt from my laptop's /etc/fstab:
>
> /dev/sda /media/CCYU_TECH vfat pamconsole,noatime,async,exec,noauto,managed 0 0
> /dev/sdb10 /media/usbdisk ext3 pamconsole,noatime,async,exec,noauto,managed 0 0
> /dev/sdb12 /media/usbdisk1 ext3 pamconsole,exec,noauto,managed 0 0
> /dev/sdb13 /media/MacOSX hfsplus pamconsole,exec,noauto,managed 0 0
>
> /dev/sda is a 64MB USB flash device
> /dev/sdb is a 15GB hard disk drive in an USB enclosure, sdb10 being a quite
> small partition.
> So small partitions get explicitly mounted async, but isn't that the default,
> anyway?
>
Oops, embarrassing, my bad. That should be 'sync' instead of 'async'.
Will change that, maybe it can get into FC-3 otherwise it will have to
be an update.
David
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