Public bug reported: I'm running a server machine with Ubuntu 8.04 LTS installed as RAID1. $ df Filesystem 1K-blocks Used Available Use% Mounted on [...] /dev/md1 482495704 50322380 407856944 11% / /dev/md0 186555 60819 116104 35% /boot [...]
This worked well until I added a hot swappable IDE drive.
AfterI installed the additional IDE drive I powered the machine up without
problems.
I did not mount any partition of this drive but "fdisk /dev/sdb" showed the
partitions on this drive as expected.
When I removed the swappable drive one partition of the RAID1 drives was
disabled as well:
[ 2259.642911] ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
[ 2259.643041] ata1.01: cmd 25/00:08:68:59:1c/00:00:1d:00:00/f0 tag 0 dma 4096
in
[ 2259.643054] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4
(timeout)
[ 2259.643130] ata1.01: status: { DRDY }
[ 2259.643249] ata1: soft resetting link
[ 2264.841449] ata1: port is slow to respond, please be patient (Status 0x80)
[ 2269.700106] ata1: SRST failed (errno=-16)
[ 2269.700184] ata1: soft resetting link
[ 2299.861884] ata1.01: qc timeout (cmd 0xec)
[ 2299.861926] ata1.01: failed to IDENTIFY (I/O error, err_mask=0x5)
[ 2299.861948] ata1.01: revalidation failed (errno=-5)
[ 2299.862014] ata1: failed to recover some devices, retrying in 5 secs
[ 2304.870541] ata1: soft resetting link
[ 2310.069057] ata1: port is slow to respond, please be patient (Status 0x80)
[ 2314.927727] ata1: SRST failed (errno=-16)
[ 2314.927806] ata1: soft resetting link
[ 2345.089504] ata1.01: qc timeout (cmd 0xec)
[ 2345.089544] ata1.01: failed to IDENTIFY (I/O error, err_mask=0x5)
[ 2345.089566] ata1.01: revalidation failed (errno=-5)
[ 2345.089632] ata1: failed to recover some devices, retrying in 5 secs
[ 2350.098151] ata1: soft resetting link
[ 2355.296723] ata1: port is slow to respond, please be patient (Status 0x80)
[ 2360.155350] ata1: SRST failed (errno=-16)
[ 2360.155428] ata1: soft resetting link
[ 2390.317147] ata1.01: qc timeout (cmd 0xec)
[ 2390.317189] ata1.01: failed to IDENTIFY (I/O error, err_mask=0x5)
[ 2390.317211] ata1.01: revalidation failed (errno=-5)
[ 2390.317278] ata1.01: disabled
[ 2390.838537] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x40)
[ 2390.838575] ata1.00: revalidation failed (errno=-5)
[ 2390.838640] ata1: failed to recover some devices, retrying in 5 secs
[ 2395.845722] ata1: soft resetting link
[ 2401.044150] ata1: port is slow to respond, please be patient (Status 0x80)
[ 2405.902816] ata1: SRST failed (errno=-16)
[ 2405.902895] ata1: soft resetting link
[ 2436.124561] ata1.00: qc timeout (cmd 0xec)
[ 2436.124603] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
[ 2436.124625] ata1.00: revalidation failed (errno=-5)
[ 2436.124691] ata1: failed to recover some devices, retrying in 5 secs
[ 2441.133225] ata1: soft resetting link
[ 2446.331733] ata1: port is slow to respond, please be patient (Status 0x80)
[ 2451.190404] ata1: SRST failed (errno=-16)
[ 2451.190482] ata1: soft resetting link
[ 2481.412208] ata1.00: qc timeout (cmd 0xec)
[ 2481.412251] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
[ 2481.412274] ata1.00: revalidation failed (errno=-5)
[ 2481.412481] ata1.00: disabled
[ 2482.281909] ata1: soft resetting link
[ 2487.480456] ata1: port is slow to respond, please be patient (Status 0x80)
[ 2492.339127] ata1: SRST failed (errno=-16)
[ 2492.339204] ata1: soft resetting link
[ 2492.510749] ata1: EH complete
[ 2492.510912] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 2492.510947] end_request: I/O error, dev sdb, sector 488397160
[ 2492.510972] Buffer I/O error on device sdb, logical block 61049645
[ 2492.511092] sd 1:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 2492.511121] end_request: I/O error, dev sda, sector 973040792
[ 2492.511173] md: super_written gets error=-5, uptodate=0
[ 2492.511200] raid1: Disk failure on sda2, disabling device.
[ 2492.511209] Operation continuing on 1 devices
[ 2492.511627] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 2492.511692] end_request: I/O error, dev sdb, sector 488397160
[ 2492.511713] Buffer I/O error on device sdb, logical block 61049645
[ 2492.534440] RAID1 conf printout:
[ 2492.534476] --- wd:1 rd:2
[ 2492.534495] disk 0, wo:1, o:0, dev:sda2
[ 2492.534511] disk 1, wo:0, o:1, dev:sdc2
[ 2492.559127] RAID1 conf printout:
[ 2492.559160] --- wd:1 rd:2
[ 2492.559180] disk 1, wo:0, o:1, dev:sdc2
I placed the swappable drive again in the bay but it was never made
available to the system so that I was not able to access the drive again
using "fdisk /dev/sdb":
[ 3457.576385] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3457.576437] end_request: I/O error, dev sdb, sector 0
[ 3457.576459] Buffer I/O error on device sdb, logical block 0
[ 3457.576538] Buffer I/O error on device sdb, logical block 1
[ 3457.576593] Buffer I/O error on device sdb, logical block 2
[ 3457.576646] Buffer I/O error on device sdb, logical block 3
[ 3457.580557] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3457.580607] end_request: I/O error, dev sdb, sector 0
[ 3457.580629] Buffer I/O error on device sdb, logical block 0
[ 3457.583139] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3457.583189] end_request: I/O error, dev sdb, sector 488397160
[ 3457.583212] Buffer I/O error on device sdb, logical block 61049645
[ 3457.585439] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3457.585487] end_request: I/O error, dev sdb, sector 488397160
[ 3457.585510] Buffer I/O error on device sdb, logical block 61049645
[ 3457.588283] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3457.588334] end_request: I/O error, dev sdb, sector 0
[ 3457.588357] Buffer I/O error on device sdb, logical block 0
[ 3457.588436] Buffer I/O error on device sdb, logical block 1
[ 3457.588491] Buffer I/O error on device sdb, logical block 2
[ 3457.588658] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3457.588688] end_request: I/O error, dev sdb, sector 0
[ 3472.957180] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3472.957314] end_request: I/O error, dev sdb, sector 0
[ 3472.957334] printk: 2 messages suppressed.
[ 3472.957352] Buffer I/O error on device sdb, logical block 0
[ 3472.957432] Buffer I/O error on device sdb, logical block 1
[ 3472.957487] Buffer I/O error on device sdb, logical block 2
[ 3472.961077] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3472.961125] end_request: I/O error, dev sdb, sector 0
[ 3472.963320] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3472.963370] end_request: I/O error, dev sdb, sector 488397160
[ 3472.965205] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3472.965252] end_request: I/O error, dev sdb, sector 488397160
[ 3472.967523] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3472.967571] end_request: I/O error, dev sdb, sector 0
[ 3472.969468] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3472.969515] end_request: I/O error, dev sdb, sector 0
[ 3540.024037] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3540.024089] end_request: I/O error, dev sdb, sector 0
[ 3540.024108] printk: 9 messages suppressed.
[ 3540.024125] Buffer I/O error on device sdb, logical block 0
[ 3540.024203] Buffer I/O error on device sdb, logical block 1
[ 3540.024258] Buffer I/O error on device sdb, logical block 2
[ 3540.024311] Buffer I/O error on device sdb, logical block 3
[ 3540.028253] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3540.028301] end_request: I/O error, dev sdb, sector 0
[ 3540.028323] Buffer I/O error on device sdb, logical block 0
[ 3540.030813] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3540.030863] end_request: I/O error, dev sdb, sector 488397160
[ 3540.030886] Buffer I/O error on device sdb, logical block 61049645
[ 3540.033107] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3540.033156] end_request: I/O error, dev sdb, sector 488397160
[ 3540.033178] Buffer I/O error on device sdb, logical block 61049645
[ 3540.035756] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3540.035805] end_request: I/O error, dev sdb, sector 0
[ 3540.035827] Buffer I/O error on device sdb, logical block 0
[ 3540.035903] Buffer I/O error on device sdb, logical block 1
[ 3540.035958] Buffer I/O error on device sdb, logical block 2
[ 3540.039038] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3540.039086] end_request: I/O error, dev sdb, sector 0
[ 3570.888022] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3570.888074] end_request: I/O error, dev sdb, sector 0
[ 3570.888093] printk: 2 messages suppressed.
[ 3570.888110] Buffer I/O error on device sdb, logical block 0
[ 3570.888189] Buffer I/O error on device sdb, logical block 1
[ 3570.888243] Buffer I/O error on device sdb, logical block 2
[ 3570.888297] Buffer I/O error on device sdb, logical block 3
[ 3570.892716] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3570.892765] end_request: I/O error, dev sdb, sector 0
[ 3570.892787] Buffer I/O error on device sdb, logical block 0
[ 3570.895175] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3570.895224] end_request: I/O error, dev sdb, sector 488397160
[ 3570.895247] Buffer I/O error on device sdb, logical block 61049645
[ 3570.897494] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3570.897540] end_request: I/O error, dev sdb, sector 488397160
[ 3570.900673] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3570.900726] end_request: I/O error, dev sdb, sector 0
[ 3570.902700] sd 1:0:1:0: [sdb] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
[ 3570.902748] end_request: I/O error, dev sdb, sector 0
After a reboot I detected that the second RAID partition on the drive already
lost one partition was also disabled.
Basically the RAID1 was only running on one disk (sdc). I added both partitions
on sda to the RAID again which triggered the rebuild on sda as expected.
Conclusion: I looks like hot swappable IDE drives cannot be used with
Ubuntu 8.04 LTS if there are RAID devices used!
I'm not sure if this is related to bug 12519 but if so, there should be
a fix for 8.04 LTS!
$ lsb_release -rd
Description: Ubuntu 8.04.1
Release: 8.04
$ uname -a
Linux gate 2.6.24-22-server #1 SMP Mon Nov 24 19:14:19 UTC 2008 i686 GNU/Linux
** Affects: ubuntu
Importance: Undecided
Status: New
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RAID1 array affected by non-RAID swappable IDE disk
https://bugs.launchpad.net/bugs/313487
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