SAN Configuration Error: Buffer I/O error on device sdd, logical block 0

hi,
I had successfully to configured dm-multipath.. now i can see the mapped device as
# ll /dev/mapper
crw------- 1 root root 10, 61 Nov 19 18:59 control
brw-rw---- 1 root disk 253, 0 Nov 19 20:00 ovs
ovs is an alias for /dev/sdc which is the active path of the storage Lun , but the passive path /dev/sdd is still existing and it giving error at the boot of OVM Server
end_request: I/O error, dev sdd, sector 0
Buffer I/O error on device sdd, logical block 0
end_request: I/O error, dev sdd, sector 0
Buffer I/O error on device sdd, logical block 0
end_request: I/O error, dev sdd, sector 0
Buffer I/O error on device sdd, logical block 0
i can't understand why the system is still looking for the passive path /dev/sdd even after multipath was configured ????
did anybody faced this kind of problem then please help me..
Thanks in Advance

Raja Gounder wrote:
I had successfully to configured dm-multipath.. now i can see the mapped device asYou haven't configured it correctly, otherwise you wouldn't have a friendly name configured. Oracle VM requires WWIDs in /dev/mapper to make the device available.

Similar Messages

Buffer I/O error on device sdd1, logical block, HDD failure? [SOLVED]

Hello!
I'm a bit puzzled here to be honest. Granted i'm not using linux as much as I used to (not after windows 7). I have archlinux running on my HTPC. Never had any issues before that was this severe, unless I upgraded and forgot to read news section. Booted the htpc today to be greeted by "Buffer I/O error on device sdd1, logical block" with a massive wall of text, a few seconds later "welcome to emergency mode."
*This is NOT hdd where the linux kernel is residing on. What logical purpose would it serve for the kernel/userspace to abort everything just because fsck fails or something? If this was indeed my linux partition I would fully understand.
Anyways, I used parted magic, ran fsck, smart. Sure enough fsck warned me about bad/missing superblock. Restored the superblock by using e2fsck. I had over 10 000 "incorrect size" chunks. Ran 2-3 SMART after that. fsck says okay, smart gives a 100% status report with no errors.
Oh yeah, I have turned off FSCK completly in my fstab, thinking about at least turning it on my bigger hdds
Questions:
*Is SMART reliable? If it says it's alright, does that mean i'm safe? Would physical broken sectors turn up by SMART?
*I know SMART warns the user in windows 7 if hdd failure is imment. Is this possible within linux as well? Since i'm NOT using a GUI, is this possible to send through a terminal/email?
*Sometimes the HTPC have been forefully shut down (power breakage), could this be one of the causes of the I/O error?
As always, thank you for your support.
Last edited by greenfish (2013-10-23 13:23:21)

graysky wrote:Any reallocated sectors in smartmontools? If you run 'e2fsck -fv /dev/sdd1' does it complete wo/ errors? Probably best to repeat for all linux partitions on that disk.
Sorry for the late reply guys. Been busy with my other hdd that decided to screw with me. e2fsck first complained about bad sectors, and wrong size. Now it says all clean. I've decided to remove this HDD from server and mark it "damaged".
Thank you again for your help
alphaniner wrote:
greenfish wrote:*Is SMART reliable? If it says it's alright, does that mean i'm safe? Would physical broken sectors turn up by SMART?
*I know SMART warns the user in windows 7 if hdd failure is imment. Is this possible within linux as well? Since i'm NOT using a GUI, is this possible to send through a terminal/email?
1) Don't trust the 'SMART overall-health self-assessment test result', run the diagnostics (short, long, conveyance, offline). The short and conveyance tests are quick so start with them. If they both pass run the long test. The offline test is supposed to update SMART attributes, but it generally takes longer than the long test, so save it for last if at all. Usually when I see bad drives the short or long tests pick them up.
2) Look into smartd.service.
greenfish wrote:What logical purpose would it serve for the kernel/userspace to abort everything just because fsck fails or something?
Systemd craps itself if an fs configured to mount during boot can't be mounted, even if the fs isn't necessary for the system to boot. Rot sure about how it handles fsck failures. This 'feature' can be disabled by putting nofail in the fstab options. I add it to every non-essential automounting fs.
Thank you for the useful information. I will save this post for future references.
Will deff look into smartd.service, especially when I have so much data running 24/7.
Will also update my fstab table with "nofail" like you suggested
Thank You!

Buffer I/O error on device hda1, logical block 81934

I getting the follow erro message when I session into the CUE of the UC520. All advice appreciated. I read the similar post, however I'm not given any prompts to make a selection.
Buffer I/O error on device hda1, logical block 81934
Processing manifests . Error processing file exceptions.IOError [Errno 5] Input/output error
. . . . . . Error processing file zlib.error Error -3 while decompressing: invalid distances set
. . . . . . . . Error processing file zlib.error Error -3 while decompressing: invalid distances set
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==> Management interface is eth0
==> Management interface is eth0
malloc: builtins/evalfile.c:138: assertion botched
free: start and end chunk sizes differ
Stopping myself.../etc/rc.d/rc.aesop: line 478: 1514 Aborted /bin/runrecovery.sh
Serial Number:
INIT: Entering runlevel: 2
********** rc.post_install ****************
INIT: Switching to runlevel: 4
INIT: Sending processes the TERM signal
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STARTED: ntp_startup.sh
STARTED: LDAP_startup.sh
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Waiting 5 ...Buffer I/O error on device hda1, logical block 70429
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hda: drive not ready for command
Buffer I/O error on device hda1, logical block 2926
Buffer I/O error on device hda1, logical block 2927
Buffer I/O error on device hda1, logical block 2928
Buffer I/O error on device hda1, logical block 2929
Buffer I/O error on device hda1, logical block 2930
Buffer I/O error on device hda1, logical block 2931
Buffer I/O error on device hda1, logical block 2932
Buffer I/O error on device hda1, logical block 2933
Buffer I/O error on device hda1, logical block 2934
REISERFS: abort (device hda1): Journal write error in flush_commit_list
REISERFS: Aborting journal for filesystem on hda1
Jun 17 16:36:11 localhost kernel: REISERFS: abort (device hda1): Journal write error in flush_commit_list
Jun 17 16:36:11 localhost kernel: REISERFS: Aborting journal for filesystem on hda1
Waiting 8 ...MONITOR EXITING...
SAVE TRACE BUFFER
Jun 17 16:36:13 localhost err_handler: CRASH appsServices startup startup.sh System has crashed. The trace buffer information is stored in the file "atrace_save.log". You can upload the file using "copy log" command
/bin/startup.sh: line 262: /usr/bin/atr_buf_save: Input/output error
Waiting 9 ...Buffer I/O error on device hda1, logical block 172794
INIT: Sending processes the TERM signal
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INIT: no more processes left in this runlevel

The flash card for CUE might be corrupt. Try and reinstall CUE and restore from backup to see if that fixes it. If it doesnt, try a different flash card.
Cole

Ubuntu Installation: buffer I/O error on device sda, logical block 2

Hallo
ich habe einen LAPTOP Levono G700. Er hatte Windows 8 und EFI darauf. Es war mir gelungen Unbuntu 12.04 (64) zu installieren. Nach einiger Zeit häuften sich die Lese-Fehler, bis schließlich Ubuntu nicht mehr lief. Beim Versuch, Ubuntu neu aufzuspielen habe ich wohl versehentlich die Festplatte ganz platt gemacht.
Es ist mir gelungen Windows 7 neu aufzuspielen. Es läuft fehlerfrei. Beim Versuch, Ubuntu erneut zu installieren, bricht die Installation immer mit dem Fehler "buffer I/O error on device sda, local block 2" ab. Was bedeutet dies? Läßt sich Ubuntu nicht installieren oder ist die Festplatte kaputt?
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Harry

The flash card for CUE might be corrupt. Try and reinstall CUE and restore from backup to see if that fixes it. If it doesnt, try a different flash card.
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Buffer I/O error on device sr0, logical block 160512

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I burn't it on a mac with disk utility as well, and disk utility hasn't failed me yet (never had an unsuccessful burn in over a year). I rebuilt the .iso several times, but to no avail. The .iso works fine in Virtual Box, so the problem isn't there. I started having the problems after the new archiso-git update, I think...

Sles9 sp2 scsi error internal target failure buffer I/O error

Apr 3 10:40:41 hostname kernel: SCSI error : <2 0 0 0> return code = 0x10000
Apr 3 10:40:41 hostname kernel: end_request: I/O error, dev sdb, sector 24047
Apr 3 10:40:41 hostname kernel: Buffer I/O error on device sdb1, logical block 2998
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can any one tell me what happened ? i had checked the disk
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961262 wrote:
The used tables:
Table 1: 312 col, 12,248 MB, 11,138,561 rows, avg len 621 bytes
Table 2: 159 col, 4288 MB, 5,441,171 rows, avg len 529 bytes
Table 3: 118 col, 360MB, 820,259 rows, avg len 266 bytes
The FTS has improved as expected. With 5 physical drives in a RAID0, a performance of
420MB/s was achieved.
In the write test on the other hand we were not able to archieve any improvement.
The CTAS statement always works with about 5000 - 6000 BLOCK/s (80MB/s)
But when we tried running several CTAS statements in different sessions, the overall speed increased as expected.
Further tests showed that the write speed seems to depend also on the number of columns. 80MB/s were only
possible with Tables 2 and 3. With Table 1, however only 30MB/s were measured.
If multiple CTAS can produce higher throughput on writes this tells you that it is the production of the data that is the limit, not the writing. Notice in your example that nearly 75% of the time of the CTAS as CPU, not I/O.
The thing about number of columns is that table 1 has exceeded the critical 254 limit - this means Oracle has chained all the rows internally into two pieces; this introduces lots of extra CPU-intensive operations (consistent gets, table access by rowid, heap block compress) so that the CPU time could have gone up significantly, resulting in a lower throughput that you are interpreting as a write problem.
One other thought - if you are currently doing CTAS by "create as select from {real SAP table}" there may be other side effects that you're not going to see. I would do "create test clone of real SAP table", then "create as select from clone" to try and eliminate any such anomalies.
Regards
Jonathan Lewis
http://jonathanlewis.wordpress.com
Author: <b><em>Oracle Core</em></b>

Buffer I/O error on my cdrom

Hello, I just installed Arch Linux using the 0.8 beta 1 install CD, but when I start ripping CDs by abcde in Arch I got following message:
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[alex@myhost ~]$ cdparanoia -vsQ
cdparanoia III release 9.8 (March 23, 2001)
(C) 2001 Monty <[email protected]> and Xiphophorus
Report bugs to [email protected]
http://www.xiph.org/paranoia/
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generic device: /dev/sg2
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Found an accessible SCSI CDROM drive.
Looking at revision of the SG interface in use...
SG interface version 3.5.34; OK.
CDROM model sensed sensed: HL-DT-ST DVDRAM GSA-4167B DL13
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Drive is ATAPI (using SCSI host adaptor emulation)
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Although abcde shows this message when ripping CDs, it can still rip the CDs without problem.
But I haven't got this message in Gentoo or Ubuntu, is there anyway to fix this?
Many thanks!
Last edited by renwklo (2007-02-07 10:13:07)

Also when I booting the machine I got these error message:
[root@myhost alex]# cat /var/log/errors.log
Feb 6 00:04:45 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 00:04:45 myhost Buffer I/O error on device sr0, logical block 1
Feb 6 00:04:45 myhost Buffer I/O error on device sr0, logical block 2
Feb 6 00:04:45 myhost Buffer I/O error on device sr0, logical block 3
Feb 6 00:04:45 myhost Buffer I/O error on device sr0, logical block 4
Feb 6 00:04:45 myhost Buffer I/O error on device sr0, logical block 5
Feb 6 00:04:45 myhost Buffer I/O error on device sr0, logical block 6
Feb 6 00:04:45 myhost Buffer I/O error on device sr0, logical block 7
Feb 6 00:04:45 myhost Buffer I/O error on device sr0, logical block 8
Feb 6 00:04:45 myhost Buffer I/O error on device sr0, logical block 9
Feb 6 02:03:03 myhost kdm[2501]: Unable to fire up local display :0; disabling.
Feb 6 02:03:04 myhost dhcpcd[2426]: terminating on signal 15
Feb 6 02:14:00 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:14:00 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:14:00 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:14:00 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:14:00 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:14:00 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:14:00 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:14:00 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:14:00 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:14:00 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:16:08 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:16:08 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:16:08 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:16:08 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:16:08 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:16:08 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:16:08 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:16:08 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:16:08 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 02:16:08 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 03:23:19 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 03:23:19 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 03:23:19 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 03:23:19 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 03:23:19 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 03:23:19 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 03:23:19 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 03:23:19 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 03:23:19 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 03:23:19 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 13:54:43 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 13:54:43 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 13:54:43 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 13:54:43 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 13:54:43 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 13:54:43 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 13:54:43 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 13:54:43 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 13:54:43 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 13:54:43 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 15:10:28 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 15:10:28 myhost Buffer I/O error on device sr0, logical block 1
Feb 6 15:10:28 myhost Buffer I/O error on device sr0, logical block 2
Feb 6 15:10:28 myhost Buffer I/O error on device sr0, logical block 3
Feb 6 15:10:28 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 15:10:28 myhost Buffer I/O error on device sr0, logical block 0
Feb 6 15:10:28 myhost Buffer I/O error on device sr0, logical block 1
Feb 6 15:10:28 myhost Buffer I/O error on device sr0, logical block 2
Feb 6 15:10:28 myhost Buffer I/O error on device sr0, logical block 3
Feb 6 15:10:28 myhost Buffer I/O error on device sr0, logical block 0
Feb 7 04:41:08 myhost kdm[2516]: Unable to fire up local display :0; disabling.
Feb 7 04:41:09 myhost dhcpcd[2422]: terminating on signal 15
Feb 7 05:16:09 myhost Buffer I/O error on device sr0, logical block 354580
Feb 7 05:16:09 myhost Buffer I/O error on device sr0, logical block 354580
Feb 7 05:16:09 myhost Buffer I/O error on device sr0, logical block 354580
Feb 7 05:16:09 myhost Buffer I/O error on device sr0, logical block 354580
Feb 7 05:16:09 myhost Buffer I/O error on device sr0, logical block 354580
Feb 7 05:16:09 myhost Buffer I/O error on device sr0, logical block 354580
Feb 7 05:16:09 myhost Buffer I/O error on device sr0, logical block 354579
Feb 7 05:16:09 myhost Buffer I/O error on device sr0, logical block 354580
Feb 7 05:16:09 myhost Buffer I/O error on device sr0, logical block 354580

Hostapd `EAPOL TX: no buffer space available' error

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Bonjour,
Toutd'abord merci de votre réponse!
A première vu mes fichiers sont bien fermé après écriture, faudrait que je fasse un étude plus approfondie pour en être sûre à 100% mais si le problème viendrait de là je pense que mon erreur arriverait plus souvent que toute les 1 à deux semaine, en effet ma base de donnée tourne en permanence 24/24 7/7 en service sur windows pour recevoir les données provenant du moteur (les données sont stocké dans un mémoire cyclique dans la base de donnée). Je vais consulter plusieur fois mes données par jours en me connectant à ma base de donnée avec mon programme et ensuite je me deconnecte de la base de donnée quand j'ai vu ce que je voulais voir! Et ce plusieur fois par jour!! Mais certaine fois (toute les 1 à 2 semaines) je ne peux plus me connceter à cette base de donnée car j'ai cette erreur 10055 qui apparait, je dois donc redémarrer la base de donnée et le problème est résolu pour un certain temps à nouveau!
Cordialement
Sébastien Kuenlin

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error receive on oracle vm server
Buffer I/O error on device dm-2, Logical bock 195825888
printk: 179 messages suppressed
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8 32 1000000000 sdc
8 48 1000000000 sdd
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8 96 97656240 sdg
8 97 1 sdg1
8 101 97643038 sdg5
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7 0 2926562 loop0
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7 10 67108864 loop10
7 11 67108864 loop11
7 100 609884 loop100
7 101 67108864 loop101
7 102 609884 loop102
7 103 20971520 loop103
7 104 2926562 loop104
7 105 67108864 loop105
7 106 67108864 loop106
7 107 2926562 loop107
7 109 67108864 loop109
7 110 609884 loop110
7 111 20971520 loop111
7 112 609884 loop112
253 3 97656240 dm-3
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I am trying to install oracle 11g xe on ubuntu aws instance when i execute sudo /etc/init.d/oracle-xe configure command iam getting this error: sudo: /etc/init.d/oracle-xe : command not found

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hi
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Message was edited by:
valli

Valli,
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Sample coding part of my program
CALL FUNCTION 'BAPI_POEC_CREATE'
   EXPORTING
     I_PO_HEADER            = P_PO_HEADER
IMPORTING
    E_PO_HEADER            = PO_RETURN_HEADER
TABLES
    I_PO_ITEMS                 = P_PO_ITEMS
    I_PO_ACCASS             = P_PO_ACCASS
    I_PO_PARTNER             = P_PO_PARTNER
    I_PO_ORGDATA           = P_PO_ORGDATA
    RETURN                        = P_PO_BASKET_ERRORS.
PO_GUID = PO_RETURN_HEADER-BUSINESSPROCESS.
CALL FUNCTION 'BBP_PD_PO_SAVE'
    EXPORTING
      IV_HEADER_GUID = PO_GUID.
CALL FUNCTION 'BBP_PROCDOC_RESET_BUFFER'.
    COMMIT WORK AND WAIT.
Can anybody give me some pointers to resolve this issue .
Thank you ,

Hi Sumat
Thanks for reply .
But , I am facing the error on the saving the PO itself . Its dumping wit the error Buffer table not up to date
CALL FUNCTION 'BBP_PD_PO_SAVE'
EXPORTING
IV_HEADER_GUID = PO_GUID.
Thank you ,
Edited by: Dhareppa Havalagi on Jul 10, 2009 4:00 AM

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