Hi all,
to make short a long story:
a) five pata disks Maxtor 500GB each one;
b) one big software raid 5 (/dev/md1);[1]
c) dmcrypt-ing /dev/md1;[2]
d) after 500GB copied I've got fs corruption;[3]
vanilla kernel, well tested hardware,[4] debian testing (to have
dm-crypt).
I'm using same configuration (md+dm-crypt+ext2/3) on other server,
without problem, from years.
It's first time I use it on big partitions (1.9TB), sure there are
situations with much bigger storage, and it's first time I've got
problems. So:
a) is anybody outthere using this kind of configuration with
success?
b) what can I do to debug the problem? I've spent last weeks
working on hardware (dell servers mostly), to be sure to avoid
hardware problems;
c) has someone (OSDL?) regression tests on md+dm-crypt?
Thanks a lot for your time,
gelma
----
[1] /root/mdadm -Cv /dev/md1 --bitmap-chunk=1024 --chunk=256 \
--assume-clean --bitmap=internal -l5 -n5 /dev/hd[aefgh]
[2] mkfs.ext3 -L 'tritone' -m0 -N 5000000 /dev/mapper/raidone
[3] usually metadata, files checksum is good, but I have a lot of files in
/lost+found, after fsck, and sometimes I have to use debugfs to
unlink some of them (chatt/lsatt doesn't work on them). I can see the
problem with ext2/ext3/reiserfs.
[4] memtest and so on. I also tried the same box of disks on totally
different hardware, with same results. changed from ATA cable to RAM.
I tried also different IDE controller (the one on motherbords, old HPT
370/372, new HPT 302).
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