Hi,
I get a 'invalidate: busy buffer' about 20 times at reboot. Only at
reboot however.
Setup :
linux-2.4.19 + grsecurity-1.9.7d + acl+xattr 0.8.53 + freeswan (inc. aes
and that kind of stuff)
The machine (Compaq ML350) has 2 scsi devices (sda, sdb) and a RAID 1
setup :
md0 : sda1 + sdb1
md1 : sda3 + sdb3
swap is done on sda2 + sdb2, using default prio's.
Triggering the 'invalidate: busy buffer' is easiest done by letting squid
create it's cache dirs and then rebooting.
No data corruption is occuring (at last not any that a force fsck can
detect), but I removed the RAID1 setup to make sure I sleep well tonight
:)
Looking at the md.c code, line 1708 :
ITERATE_RDEV(mddev,rdev,tmp) {
if (rdev->faulty)
continue;
invalidate_device(rdev->dev, 1);
if (get_hardsect_size(rdev->dev)
> md_hardsect_sizes[mdidx(mddev)])
md_hardsect_sizes[mdidx(mddev)] =
get_hardsect_size(rdev->dev);
}
Looks like it is invalidating the underlying devices (sda[13], sdb[13] in
my case.
Since my RAID array doesn't get screwed I suspect that the md code does
the above again on a do_md_stop(), but I can't find it.
Anyone got any comments on this ??
Regards,
Igmar
Please CC all responses.
--Igmar Palsenberg JDI Media Solutions
Helhoek 30 6923PE Groessen Tel: +31 (0)316 - 596695 Fax: +31 (0)316 - 596699 The Netherlands
mailto: i.palsenberg@jdimedia.nl PGP/GPG key : http://www.jdimedia.nl/formulier/pgp/igmar
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