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List: evms-devel
Subject: [Evms-devel] ATA Disk with Pending Sector cauzez Gentoo Linux
From: "Stian B. Barmen" <stian () barmen ! nu>
Date: 2006-12-14 14:54:51
Message-ID: 023001c71f8f$cf3acc70$6db06550$ () nu
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I did not get an answer from the irc channel, so I copy the info I wrote
here since I have to leave work now.
[14:37:44] <corvy> hello all, I have a strange problem on my raid5 using
evms
[14:38:46] <corvy> in short, it is a large raid5, with 8 PATA disks of 250
GB
[14:39:14] <corvy> two or three times the last few years I have had this
problem, that when one disk gets a pending sector
[14:39:29] <corvy> the whole computer freezes
[14:40:54] <corvy> I just had this problem yesterday and today, I found my
computer frozen in the morning, so I boot it up, and it says I need to
rebuild the raid, so I mark one disk as missing and adds it to the raid
again (after checking file system consistency) I add the disk as a spare and
start resyncing
[14:41:04] <corvy> after a few % it freezez again
[14:41:33] <corvy> so.. I check all disks with smartctl and fine that one
disk has 1 (!) pending sector as the only bad thing
[14:43:17] <corvy> I remove the drive with the pending sector, run the
manufactors test program, run the long test, wait 1 hour, put the disk back
into the raid computer, check it again with smartctl, the pending sector is
gone, and now the sync went smoothly past the % it froze before
[14:43:45] <corvy> so ... my question is, why does this happen? ... 1
pending sector on 1 disk should not make my whole server freeze..
[14:44:12] <corvy> that disk should be marked faulty in the worst case and
then I could treat it ... freezing is over the top
[14:44:48] <corvy> /ranting .. puh :)
Hope for some great info on this topic :-)
-stian
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<P DIR=LTR><SPAN LANG="no"></SPAN><SPAN LANG="en-us">I did not get an answer from the \
irc channel, so I copy the info I wrote here since I have to leave work now. \
</SPAN></P>
<P DIR=LTR><SPAN LANG="no"></SPAN><SPAN \
LANG="en-us">[14:37:44] <corvy> hello all, I have a strange problem on my raid5 using evms<BR>
[14:38:46] <corvy> in short, it is a large raid5, with 8 PATA disks of 250 GB<BR>
[14:39:14] <corvy> two or three times the la \
st few years I have had this problem, that when one disk gets a pending sector<BR>
[14:39:29] <corvy> the whole computer freezes<BR>
[14:40:54] <corvy> I just had this problem ye \
sterday and today, I found my computer frozen \
in the morning, so I boot it up, and it&n \
bsp;says I need to rebuild the raid, so I  \
;mark one disk as missing and adds it to \
the raid again (after checking file system consiste \
ncy) I add the disk as a spare and start resyncing<BR>
[14:41:04] <corvy> after a few % it freezez again<BR>
[14:41:33] <corvy> so.. I check all disks wi \
th smartctl and fine that one disk has 1 (!) pending sector as the only bad thing<BR>
[14:43:17] <corvy> I remove the drive with t \
he pending sector, run the manufactors test program \
, run the long test, wait 1 hour, put the \
disk back into the raid computer, check it&nb \
sp;again with smartctl, the pending sector is gone, \
and now the sync went smoothly past the % it froze before<BR>
[14:43:45] <corvy> so ... my question is, wh \
y does this happen? ... 1 pending sector on&nb \
sp;1 disk should not make my whole server freeze.. <BR>
[14:44:12] <corvy> that disk should be marked&nbs \
p;faulty in the worst case and then I could treat it ... freezing is over the top<BR>
[14:44:48] <corvy> /ranting .. puh :)</SPAN></P>
<P DIR=LTR><SPAN LANG="no"></SPAN><SPAN LANG="no"></SPAN><SPAN LANG="en-us"><FONT \
FACE="Calibri">Hope for some great info on this topic</FONT></SPAN><SPAN \
LANG="no"></SPAN><SPAN LANG="en-us"> <FONT FACE="Wingdings" \
SIZE=3>J</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN><SPAN \
LANG="en-us"></SPAN><SPAN LANG="no"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="no"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">-stian</FONT></SPAN><SPAN \
LANG="no"></SPAN><SPAN LANG="en-us"></SPAN></P>
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