[linux] raid question
mathes at u.washington.edu
Wed May 7 17:31:48 PDT 2003
know why it's taken 24 hours on a 2xp3 933 1 Gb ram ... 3 120 Gb HD's? I
read somewhere about a min/max setting for reconstruction so it
wouldn't eat up other processes or something...
it's only going at 1229K/Sec ... and nothing else is running.
On Wed, 7 May 2003, Mark L. Chang wrote:
> When you set it up initially, there isn't anything but crap on the three
> drives. It has to put them into a known consistent state, and that's the
> rebuild process. Looks just like when a drive horked.
> It takes some time. It took just under 2 hours on my Athlon 1GHz machine
> with 3x80gb 8mb cache drives at ATA-133.
> On Wed, May 07, 2003 at 05:11:45PM -0700 or thereabouts, A. Mathes wrote:
> > so, i set up a server this weekend using 3 hd's. It wouldn't boot off
> > RAID-5 for /boot partition, so, I ended up setting up /boot as RAID-1 and
> > / as RAID-5.
> > It seems like everything is going well, except when I cat /proc/mdstat:
> > Personalities : [raid1] [raid5]
> > read_ahead 1024 sectors
> > md1 : active raid1 ide/host0/bus1/target0/lun0/part1
> > ide/host0/bus0/target1/lun0/part1 ide/host0/bus0/target0/lun0/part1
> > 96256 blocks [2/2] [UU]
> > resync=DELAYED
> > md2 : active raid5 ide/host0/bus1/target0/lun0/part3
> > ide/host0/bus0/target1/lun0/part3 ide/host0/bus0/target0/lun0/part3
> > 236010752 blocks level 5, 32k chunk, algorithm 3 [3/3] [UUU]
> > [=========>...........] resync = 47.6% (56217208/118005376)
> > finish=837.0min speed=1229K/sec
> > unused devices: <none>
> > well, it's resyncing, to say the least. What's confusing me is I had
> > thought resync happened when a drive went down. But all 3 drives are
> > functional ... and I did the install to the raid itself. (mounted
> > /dev/md1 and md2 before install) So nothing ever should have been out of
> > sync.
> > Any help as to why it's resynching or as to why it's already taken 24
> > hours (and how to avoid this in the future) would be appreciated ...
> > it's running gentoo
> > Andrew Mathes
> "Streakers *repant* your end is in sight."
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