From mboxrd@z Thu Jan 1 00:00:00 1970 From: rrk Subject: Raid1 problem can't add remove or mark faulty -- it did work Date: Sat, 26 Mar 2005 20:36:55 -0600 Message-ID: <42461C47.8090706@prairie.lakes.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids i have a strange problem -- can't get a fully funtional 2 drive raid back up running-- it may or may not be a drive bios interaction don't know. none of the mdadm manage functions will work add remove or mark faulty i have purged and reinstalled the mdadm package twice. below is all the info i could think of . the kernel is 2.6.10 patched -- stock kanotix either drive will boot and the behavior is the same no matter which one is active @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ current installed version of mdadm mdadm: Installed: 1.9.0-2 @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ hda partition table Disk geometry for /dev/hda: 0.000-152627.835 megabytes Disk label type: msdos Minor Start End Type Filesystem Flags 1 0.031 151629.125 primary ext3 raid 2 151629.126 152625.344 primary linux-swap @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ hdc partition table Disk geometry for /dev/hdc: 0.000-152627.835 megabytes Disk label type: msdos Minor Start End Type Filesystem Flags 1 0.031 151629.125 primary ext3 raid 2 151629.126 152625.344 primary @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ examine /dev/hda1 root@crm_svr:/home/rob# mdadm -E /dev/hda1 /dev/hda1: Magic : a92b4efc Version : 00.90.01 UUID : bcbf4556:4aba6daf:5661e4a2:32fcc1db Creation Time : Mon Mar 21 17:22:34 2005 Raid Level : raid1 Raid Devices : 2 Total Devices : 1 Preferred Minor : 0 Update Time : Sat Mar 26 19:33:08 2005 State : clean Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 Checksum : c7caacc2 - correct Events : 0.17321 Number Major Minor RaidDevice State this 0 3 1 0 active sync /dev/hda1 0 0 3 1 0 active sync /dev/hda1 1 1 0 0 1 faulty removed @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ examine /dev/hdc1 root@crm_svr:/home/rob# mdadm -E /dev/hdc1 /dev/hdc1: Magic : a92b4efc Version : 00.90.01 UUID : bcbf4556:4aba6daf:5661e4a2:32fcc1db Creation Time : Mon Mar 21 17:22:34 2005 Raid Level : raid1 Raid Devices : 2 Total Devices : 1 Preferred Minor : 0 Update Time : Sat Mar 26 20:23:04 2005 State : clean Active Devices : 1 Working Devices : 1 Failed Devices : 0 Spare Devices : 0 Checksum : c7cabae4 - correct Events : 0.17613 Number Major Minor RaidDevice State this 1 22 1 1 active sync /dev/hdc1 0 0 0 0 0 removed 1 1 22 1 1 active sync /dev/hdc1 @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ what happens when i try a hot add remove or set faulty root@crm_svr:/home/rob# mdadm /dev/md0 -a /dev/hda1 mdadm: hot add failed for /dev/hda1: Invalid argument root@crm_svr:/home/rob# mdadm /dev/md0 -a /dev/hdc1 mdadm: hot add failed for /dev/hdc1: Invalid argument root@crm_svr:/home/rob# mdadm /dev/md0 -r /dev/hda1 mdadm: hot remove failed for /dev/hda1: No such device or address root@crm_svr:/home/rob# mdadm /dev/md0 -r /dev/hdc1 mdadm: hot remove failed for /dev/hdc1: Device or resource busy root@crm_svr:/home/rob# mdadm /dev/md0 -f /dev/hda1 mdadm: set device faulty failed for /dev/hda1: No such device root@crm_svr:/home/rob# mdadm /dev/md0 -f /dev/hdc1 mdadm: set /dev/hdc1 faulty in /dev/md0 @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ boot info from dmesg Probing IDE interface ide0... hda: WDC WD1600JB-00GVA0, ATA DISK drive hdb: SAMSUNG CD-ROM SH-152A, ATAPI CD/DVD-ROM drive ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 Probing IDE interface ide1... hdc: WDC WD1600JB-00GVA0, ATA DISK drive ide1 at 0x170-0x177,0x376 on irq 15 hda: max request size: 1024KiB hda: 312581808 sectors (160041 MB) w/8192KiB Cache, CHS=19457/255/63, UDMA(100) hda: cache flushes supported hda: hda1 hda2 hdc: max request size: 1024KiB hdc: 312581808 sectors (160041 MB) w/8192KiB Cache, CHS=19457/255/63, UDMA(100) hdc: cache flushes supported hdc: hdc1 hdc2 hdb: ATAPI 52X CD-ROM drive, 128kB Cache, UDMA(33) Uniform CD-ROM driver Revision: 3.20 md: linear personality registered as nr 1 md: raid0 personality registered as nr 2 md: raid1 personality registered as nr 3 md: raid10 personality registered as nr 9 md: raid5 personality registered as nr 4 raid5: automatically using best checksumming function: pIII_sse pIII_sse : 1448.000 MB/sec raid5: using function: pIII_sse (1448.000 MB/sec) raid6: int32x1 621 MB/s raid6: int32x2 777 MB/s raid6: int32x4 468 MB/s raid6: int32x8 457 MB/s raid6: mmxx1 1363 MB/s raid6: mmxx2 2484 MB/s raid6: sse1x1 1246 MB/s raid6: sse1x2 2140 MB/s raid6: using algorithm sse1x2 (2140 MB/s) md: raid6 personality registered as nr 8 md: multipath personality registered as nr 7 md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27 device-mapper: 4.3.0-ioctl (2004-09-30) initialised: dm-devel@redhat.com md: Autodetecting RAID arrays. md: autorun ... md: considering hdc1 ... md: adding hdc1 ... md: adding hda1 ... md: created md0 md: bind md: bind md: running: md: kicking non-fresh hda1 from array! md: unbind md: export_rdev(hda1) raid1: raid set md0 active with 1 out of 2 mirrors md: ... autorun DONE. EXT3-fs: mounted filesystem with ordered data mode. VFS: Mounted root (ext3 filesystem) readonly. Freeing unused kernel memory: 276k freed kjournald starting. Commit interval 5 seconds Warning: /proc/ide/hd?/settings interface is obsolete, and will be removed soon! EXT3 FS on md0, internal journal Adding 1020116k swap on /dev/hda2. Priority:-1 extents:1 EXT3 FS on md0, internal journal kjournald starting. Commit interval 5 seconds EXT3 FS on hda1, internal journal EXT3-fs: mounted filesystem with ordered data mode. EFS: 1.0a - http://aeschi.ch.eu.org/efs/ reiser4[mount(1122)]: _init_read_super (fs/reiser4/init_super.c:198)[nikita-2608]: WARNING: hdc2: wrong master super block magic. NTFS driver 2.1.22 [Flags: R/W MODULE].