Mailinglist Archive: opensuse (2575 mails)

["Anders Norrbring" <lists@xxxxxxxxxxxx>]

> > Anders Norrbring wrote:
> >
> > > > I think that is _very_ unusual even though it's ATA133.  To test
> it,
> > > > I've just started a resync of a 500Gb array made up of two ATA133
> > > > drives - started at 0930, the initial estimate is 264minutes.
> (the
> > > > system doesn't do anything else).
> > > >
> > > > /Per
> > >
> > > I guess the main issue here is that my host is quite busy running
> as
> > a
> > > Samba server, and it also hosts a VMware virtual machine setup.
> >
> > My resync has now been running a little over an hour, and is 22.8%
> > done.
> > Looks like the initial estimate is going to hold.
> >
> > > Looks a bit ridiculous.. Maybe I should just lift off the disks and
> > > put them onto an idle machine, just to get it over with.. Current
> > > speed is hilarious.. ;-)
> >
> > It's not only ridiculous, it's dangerous.  The longer it takes to
> > resync, the higher the risk of the valid drive also failing.
> > If the disks are the same make and model and were bought at the same
> > time, the risk is even higher.
> >
> >
> > /Per
> > PS: -12.9C huh?  It must be winter where you are :-)
>
>
> Yep, it's winter in Sweden alright. Even the cat (no matter how
> friendly _he_ is) refuse to go outside today..
>
> These drives are not of the same brand, nor the same size, they're only
> in the box to make a somewhat safe backup storage while moving from 9.3
> to 11.1. So I won't use them when the upgrade is done, I just felt
> backing up some 160+GB would be a bit faster using drives than the old
> tape device in that box. Now I know better.. ;-)
>
> I'll pull the disks and put them in another machine which is idle, just
> to make the build and see how they perform in that one. I'll report
> back in a while..
>
> Anders.


Now then.. I pulled the drives and hooked them up to another box, booting it up 
from DVD to rescue mode.
I can see a _slight_ difference in rebuild performance, now it tells me it'll 
be finished in 18 minutes. From ~1000kB/s to ~68000kB/s.  I guess that's it 
then. ;-)

Anders.


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