Hello, I've been using ext3 on some of my production servers, I am now having some serious issues. I'm not sure where to pin point this to. 1. I have success using this with a Mylex Raid controller and have no problem. setup as RAID 1. 2. I have success using this with a standalone at all levels single ended SCSI, IDE Drives. 3. "" This is where my problem starts "" i'm using a AMI MegaRaid on a JetStore with approximately 8 drives that make on big fat 500Gigabyte drive. I have just upgraded this box 3 weeks ago to RedHat 7.2 and converted the ext2 filesystem to ext3. These are my errors on the /var/log/messages. Please tell me what you think about these. Harddrive problem ? etc.. Thanks. --> snip Feb 3 04:03:02 reallyreal syslogd 1.4.1: restart. Feb 3 04:05:00 reallyreal kernel: scsi : aborting command due to timeout : pid 0, scsi2, channel 1, id 0, lu n 0 Read (10) 00 19 72 fd 57 00 00 38 00 Feb 3 04:05:01 reallyreal kernel: scsi : aborting command due to timeout : pid 0, scsi2, channel 1, id 0, lu n 0 Read (10) 00 0d 0d 38 77 00 00 20 00 Feb 3 04:05:01 reallyreal kernel: scsi : aborting command due to timeout : pid 0, scsi2, channel 1, id 0, lu n 0 Read (10) 00 0d 0d 39 d7 00 00 68 00 Feb 3 04:05:02 reallyreal kernel: scsi : aborting command due to timeout : pid 0, scsi2, channel 1, id 0, lu n 0 Read (10) 00 0d 1e 04 17 00 00 28 00 Feb 3 04:05:02 reallyreal kernel: scsi : aborting command due to timeout : pid 0, scsi2, channel 1, id 0, lu Feb 3 04:05:28 reallyreal kernel: SCSI disk error : host 2 channel 1 id 0 lun 0 return code = 25040001 Feb 3 04:05:28 reallyreal kernel: I/O error: dev 08:11, sector 380222456 Feb 3 04:05:29 reallyreal kernel: SCSI disk error : host 2 channel 1 id 0 lun 0 return code = 25040001 Feb 3 04:05:29 reallyreal kernel: I/O error: dev 08:11, sector 380222456 Feb 3 04:05:29 reallyreal kernel: SCSI disk error : host 2 channel 1 id 0 lun 0 return code = 25040001 Feb 3 04:05:29 reallyreal kernel: I/O error: dev 08:11, sector 379675384 Feb 3 04:05:29 reallyreal kernel: SCSI disk error : host 2 channel 1 id 0 lun 0 return code = 25040001 Feb 3 04:05:29 reallyreal kernel: I/O error: dev 08:11, sector 379675384 Feb 3 04:05:29 reallyreal kernel: SCSI disk error : host 2 channel 1 id 0 lun 0 return code = 25040001 Feb 3 04:05:29 reallyreal kernel: I/O error: dev 08:11, sector 265940064 Feb 3 04:05:29 reallyreal kernel: SCSI disk error : host 2 channel 1 id 0 lun 0 return code = 25040001 Feb 3 04:05:29 reallyreal kernel: I/O error: dev 08:11, sector 265940064 Feb 3 04:05:29 reallyreal kernel: SCSI disk error : host 2 channel 1 id 0 lun 0 return code = 25040001 Feb 3 04:05:29 reallyreal kernel: I/O error: dev 08:11, sector 265940064 Feb 3 04:05:29 reallyreal kernel: SCSI disk error : host 2 channel 1 id 0 lun 0 return code = 25040001 Feb 3 04:05:29 reallyreal kernel: I/O error: dev 08:11, sector 379693264