Hi! On Fri, 12 Sep 2003 18:30:29 -0400 Tom Allison <[EMAIL PROTECTED]> wrote: > Jacob Anawalt wrote: > > Tom Allison said: > > > >>Jacob Anawalt wrote: > >> > >>>Joachim Förster said: > >>> > >>> > >>>>Does anybody know, why squid uses the harddisk although its (empty disk > >>>>cache, logs and other status files are on the tmpfs)? > >>>> > >>> > >>>I don't know why it uses the hard disk, but if it is only reading those > >>>files and there is enough memory that they are cached in the kernel file > >>>cache, then perhaps the atime is being updated and that is causing the > >>>disk to spin up? > >>> > >>>Are you mounting with the noatime option? > >>> > >>>Maybe there's another http proxy that doesn't require any disk access? > >>> > >>>I am interested in following this thread. I would like to set up a > >>>similar > >>>computer, with as few fans and spinning drives (zero would be ideal) as > >>>possible while staying inexpensive and low-power. > >>> > >> > >>For starters, consider via's eden PC's. Most of them are fanless. > >>Then look at the hard drives that are out their with Fluid Bearings. > >>Seagate is one, I think there a japanese company (Fujitsu or something) > >>that > >>also has very low noise hard drives. > >> > >>If you are rich and demanding, get a Solid State Hard Drive. > > > > > > Well, I don't qualify in the first category (at least enough to justify > > solid state hard drives) and I try not to be demanding. :) > > > > The via eden PC's look promising. I've been looking at them for a while. I > > had looked into PC104 a couple of years ago, but I've decided I'm not > > really interested in going that route. Maybe some day. > > > > I need to qualify my "zero would be ideal" statement. I would like it to > > be silent when not in use*. When in use I am fine with hard disk noise. > > The Seagate or other fluid bearing/quite drives would be very nice when > > the system is being used, but still my hope is to not be spinning them all > > night long, no matter how quiet they are. > > > > For me, squid disk access while someone on my internal network is using > > the proxy is not an issue. If squid were spinning up the drive when > > 'nothing'* is happening, calling sync()/fsync() for some odd reason then > > that would be annoying. I'm running a gateway w/ squid right now, but I > > haven't tried to stop the disk from spinning when squid is running. > > > > I am unclear from Joachim's email if Squid is spinning up the disk all the > > time for him, every x seconds, or only when the proxy is being used. If > > it's only the latter then for my needs that's OK. > > > > If you have ext3 or any other journaling filesystem in place, then I do not > believe you can get it to ever stop spinning. I tried this on my notebook > and it was driving me crazy.
I use reiserfs, but without squid, bdflush tunning, noflushed and /var and /tmp moved to tmpfs, the harddisk is off most of the time. > You need to be using ext2 for the file system on the hard drives. I think I'll move to ext2. In fact I don't need the journaling features, it's just a gateway. Thanks, Joachim -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
