On 7/25/12 7:40 AM, Robert Canary wrote:
Sorry for the confusion.
Two drives sda and sdb are mirrored with RAID 1
Getting errors on sda.
I removed the sda, and moved sdb into the sda position
However, I am still getting the same errors on the sda.
Robert Canary
OCDirect Electrical-Datacomm
(866) 594-0786 Fax
(270) 955-0362 Voice
----- Original Message -----
On 07/25/12 07:18, Robert Canary wrote:
I have RHEL machine here that becomes so unresponsive the mail
server
it is hosting practically stops. It is currently running a mirrored
drive between sda and sdb. I have been getting the following errors
in the log files, so I moved the mirrored drive to sda and disabled
the (old) sda. Currently the system seems to be stable again,
however, I am still getting these errors.
I'm sorry, but I don't understand what you did. You mention two
drives,
and then "the (old) sda". ?
Next, is this RAID 1?
Any ideas where to go to fix it. Could it be bad sectors where
transferred to the mirrored drive? Running smartmontools-5.3 I
No. Bad sectors are *physical* errors on the platter.
<snip>
mark
--
When was the pleistocene?
Around 1.8 million years ago, til about 10K years ago.
What era are we in now?
Trouble.
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Sorry, if you mean you physically move the sdb drive to the physical
location sda was in? Or in other words swapped hardware around?
mark is correct. This drive is failing and needs to be replaced. In
short you should run the mdadm tool to remove the drive from the
mirrored set (if it's not already), physically replace the drive,
partition and add the new drive into the mirror with the mdadm utility.
As far as the server being slow, it could be that the OS is trying to
read/write data from this failing drive and is slow because it's
encountering I/O errors. Run the command "dmesg". I'm betting it
filled with I/O errors.
Hope this helps.
Paul
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