[CentOS] SATA Raid 5 and losing a drive
Andy Green
andy at warmcat.com
Tue Apr 11 17:47:14 UTC 2006
Joshua Baker-LePain wrote:
> Did you try doing any I/O to the array? In my limited experience with
> software RAID, it won't notice a drive missing until it tries to do
> something with said drive.
Yes I did do this, I copied a file to the mountpoint and did a sync.
Nothing.
Only at the end of the shutdown did we see some SCSI IO errors, it tried
a few times to flush and then gave up and completed the reboot.
> To really test it, I'd disconnect the drive while you have something
> disk intensive running. I like
> <http://people.redhat.com/dledford/memtest.html>, which unpacks and then
> diffs multiple copies of the Linux source tree. It'll have the system
> stressed *and* let you know if there any problems with the array running
> in degraded mode.
That'd for sure stress it :-) But if a cable falls out or a drive
shoots out of the box high into the night sky, I would expect to hear
about it at least from the logs next time I tried to write one byte.
-Andy
-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/x-pkcs7-signature
Size: 4492 bytes
Desc: S/MIME Cryptographic Signature
URL: <http://lists.centos.org/pipermail/centos/attachments/20060411/d4ddac42/attachment.bin>
More information about the CentOS
mailing list