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-0004.bin>