I exerienced the following error on a RedHat cluster configuration with Dell hardware (Perc 3/DC controller and PowerVault 220 disk array). When the error occurs the cluster manager shutdown the cluster node, but the filesystem is corruped and the other node cannot mount it until a manual fsck. Any idea? SCSI and system configuration -------------------------------- Redhat AS 2.1 + Cluster Manager DELL PowerEdge 2650 with PERC 3/DC DELL PowerVault 220s - cluster configuration # uname -a Linux myHost 2.4.9-e.40smp #1 SMP Thu Apr 8 16:53:29 EDT 2004 i686 unknown # cat /etc/modules.conf options scsi_mod max_scsi_luns=255 alias scsi_hostadapter aacraid alias scsi_hostadapter1 megaraid_2009 .... # cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: DELL Model: PERCRAID Mirror Rev: V1.0 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi1 Channel: 00 Id: 00 Lun: 00 Vendor: MegaRAID Model: LD 0 RAID1 34G Rev: 1.92 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi1 Channel: 00 Id: 01 Lun: 00 Vendor: MegaRAID Model: LD 1 RAID5 69G Rev: 1.92 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi1 Channel: 04 Id: 07 Lun: 00 Vendor: DELL Model: PERC 3/DC Rev: 1.92 Type: Processor ANSI SCSI revision: 02 Host: scsi1 Channel: 04 Id: 15 Lun: 00 Vendor: DELL Model: PV22XS Rev: E.14 Type: Processor ANSI SCSI revision: 03 # cat /proc/scsi/megaraid/1 LSI Logic MegaRAID 1.92 254 commands 16 targs 5 chans 7 luns # cat /proc/megaraid/hba1/config v2.00.9 (Release Date: Thu Sep 4 17:49:42 EDT 2003) PERC 3/DC Controller Type: 438/466/467/471/493/518/520/531/532 Controller Supports 40 Logical Drives Controller capable of 64-bit memory addressing Controller using 64-bit memory addressing Base = f9030000, Irq = 16, Logical Drives = 2, Channels = 2 Version =1.92:3.31, DRAM = 128Mb Controller Queue Depth = 254, Driver Queue Depth = 126 support_ext_cdb = 1 support_random_del = 1 boot_ldrv_enabled = 1 boot_ldrv = 0 boot_pdrv_enabled = 0 boot_pdrv_ch = 0 boot_pdrv_tgt = 0 quiescent = 0 has_cluster = 1 Module Parameters: max_cmd_per_lun = 63 max_sectors_per_io = 128 # cat /proc/megaraid/hba1/diskdrives-ch0 Channel: 0 Id: 0 State: Online. Vendor: FUJITSU Model: MAP3367NC Rev: 5605 Type: Direct-Access ANSI SCSI revision: 03 Channel: 0 Id: 1 State: Online. Vendor: FUJITSU Model: MAP3367NC Rev: 5605 Type: Direct-Access ANSI SCSI revision: 03 Channel: 0 Id: 2 State: Hot spare. Vendor: FUJITSU Model: MAP3367NC Rev: 5605 Type: Direct-Access ANSI SCSI revision: 03 Channel: 0 Id: 3 State: Online. Vendor: FUJITSU Model: MAP3367NC Rev: 5605 Type: Direct-Access ANSI SCSI revision: 03 Channel: 0 Id: 4 State: Online. Vendor: FUJITSU Model: MAP3367NC Rev: 5605 Type: Direct-Access ANSI SCSI revision: 03 Channel: 0 Id: 5 State: Online. Vendor: FUJITSU Model: MAP3367NC Rev: 5605 Type: Direct-Access ANSI SCSI revision: 03 # cat /proc/megaraid/hba1/raiddrives-0-9 Logical drive: 0:, state: optimal Span depth: 1, RAID level: 1, Stripe size: 64, Row size: 2 Read Policy: No read ahead, Write Policy: Write thru, Cache Policy: Direct IO Logical drive: 1:, state: optimal Span depth: 1, RAID level: 5, Stripe size: 64, Row size: 3 Read Policy: No read ahead, Write Policy: Write thru, Cache Policy: Direct IO ------------------------------------ Error report ------------------------------------ May 13 05:31:27 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:27 clu2a kernel: I/O error: dev 08:21, sector 2290456 May 13 05:31:27 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:27 clu2a kernel: I/O error: dev 08:21, sector 2290464 May 13 05:31:27 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:27 clu2a kernel: I/O error: dev 08:21, sector 11488 May 13 05:31:27 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:27 clu2a kernel: I/O error: dev 08:21, sector 11496 May 13 05:31:27 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:27 clu2a kernel: I/O error: dev 08:21, sector 11504 May 13 05:31:27 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:27 clu2a kernel: I/O error: dev 08:21, sector 528528 May 13 05:31:27 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:27 clu2a kernel: I/O error: dev 08:21, sector 2283712 May 13 05:31:27 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:27 clu2a kernel: I/O error: dev 08:21, sector 2283720 May 13 05:31:28 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:28 clu2a kernel: I/O error: dev 08:21, sector 2283728 May 13 05:31:28 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:28 clu2a kernel: I/O error: dev 08:21, sector 2283736 May 13 05:31:28 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:28 clu2a kernel: I/O error: dev 08:21, sector 2281160 May 13 05:31:28 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:28 clu2a kernel: I/O error: dev 08:21, sector 2281168 May 13 05:31:28 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:28 clu2a kernel: I/O error: dev 08:21, sector 2281176 May 13 05:31:28 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:28 clu2a kernel: I/O error: dev 08:21, sector 2281184 May 13 05:31:28 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:28 clu2a kernel: I/O error: dev 08:22, sector 1052480 May 13 05:31:28 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:28 clu2a kernel: I/O error: dev 08:22, sector 2363240 May 13 05:31:28 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:29 clu2a kernel: I/O error: dev 08:22, sector 266776 May 13 05:31:29 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:29 clu2a kernel: I/O error: dev 08:22, sector 266776 May 13 05:31:29 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:29 clu2a kernel: I/O error: dev 08:22, sector 3673920 May 13 05:31:29 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:29 clu2a kernel: I/O error: dev 08:22, sector 3670072 May 13 05:31:29 clu2a kernel: EXT3-fs error (device sd(8,34)): ext3_get_inode_loc: unable to read inode block - inode=216936, block=458759 May 13 05:31:29 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:29 clu2a kernel: I/O error: dev 08:22, sector 0 May 13 05:31:29 clu2a kernel: EXT3-fs error (device sd(8,34)) in ext3_reserve_inode_write: IO failure May 13 05:31:29 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:29 clu2a kernel: I/O error: dev 08:22, sector 0 May 13 05:31:29 clu2a kernel: EXT3-fs error (device sd(8,34)) in ext3_new_inode: IO failure May 13 05:31:29 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:29 clu2a kernel: I/O error: dev 08:22, sector 0 May 13 05:31:29 clu2a kernel: SCSI disk error : host 1 channel 0 id 0 lun 0 return code = 40005 May 13 05:31:29 clu2a kernel: I/O error: dev 08:11, sector 8 May 13 05:31:29 clu2a kernel: SCSI disk error : host 1 channel 0 id 0 lun 0 return code = 40005 May 13 05:31:29 clu2a kernel: I/O error: dev 08:11, sector 8 May 13 05:31:29 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:29 clu2a kernel: I/O error: dev 08:21, sector 3670080 May 13 05:31:29 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:30 clu2a kernel: I/O error: dev 08:22, sector 2359352 May 13 05:31:30 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:30 clu2a kernel: I/O error: dev 08:21, sector 3670064 May 13 05:31:30 clu2a kernel: SCSI disk error : host 1 channel 0 id 1 lun 0 return code = 40005 May 13 05:31:30 clu2a kernel: I/O error: dev 08:21, sector 3674152 [...] - 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