O Error On Device Sda2
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Buffer I/o Error On Device Sda Logical Block
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Buffer I/o Error On Device Dm-0
Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Buffer I/O error on device (sata drive) up vote 2 down vote favorite 2 I keep getting these messages in one of my servers kernel logs (which is responsible for file operations). I wonder if anybody knows how serious are these issues.
Kernel Buffer I/o Error On Device
I cannot use smartmontools because the disks are handled by a 3ware card which has it's own (very limited tw_cli utility). [2522065.275739] sd 0:0:1:0: [sdg] CDB: [2522065.275741] Read(10): 28 00 2e 90 97 f8 00 00 08 00 [2522065.275750] end_request: I/O error, dev sdg, sector 781228024 [2522065.281091] Buffer I/O error on device sdg, logical block 97653503 [2522065.287157] sd 0:0:1:0: [sdg] Device not ready [2522065.287163] sd 0:0:1:0: [sdg] [2522065.287166] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [2522065.287168] sd 0:0:1:0: [sdg] [2522065.287170] Sense Key : Not Ready [current] [2522065.287174] sd 0:0:1:0: [sdg] [2522065.287176] Add. Sense: Logical unit not ready, cause not reportable [2522065.287179] sd 0:0:1:0: [sdg] CDB: [2522065.287181] Read(10): 28 00 00 00 00 00 00 00 20 00 [2522065.287190] end_request: I/O error, dev sdg, sector 0 [2522065.291147] Buffer I/O error on device sdg, logical block 0 [2522065.291147] Buffer I/O error on device sdg, logical block 1 [2522065.291147] Buffer I/O error on device sdg, logical block 2 [2522065.308465] sd 0:0:1:0: [sdg] Device not ready [2522065.308465] sd 0:0:1:0: [sdg] [2522065.308465] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [2522065.308465] sd 0:0:1:0: [sdg] [2522065.308465] Sense Key : Not Ready [current] [2522065.308465] sd 0:0:1:0: [sdg] [2522065.3084
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and http://stackoverflow.com/questions/19114155/buffer-i-o-error-on-device-sda2-logical-block-66326416 policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only o error takes a minute: Sign up Buffer I/O error on device sda2, logical block 66326416 up vote -1 down vote favorite I have a linux image customized based on Centos 5.8 This linux-image was installing well till recently. Of late, the installation is failing with the error: "Buffer I/O error on device sda2, logical block 66326416" and series of such messages displayed o error on on screen, causing the installation to fail. Found this failure is observed for a new set of seagate HDDs. On the same server with new Seagate HDD, RHEL5 is installed successfully (ruling out HDD hardware error). I tried to load all the drivers that are there in RHEL5, but that was failing too. Am looking for pointers to narrow down the issue. Thanks in advance. Sri linux initrd share|improve this question asked Oct 1 '13 at 10:43 keersan 14 add a comment| 1 Answer 1 active oldest votes up vote 0 down vote accepted Okay, i got it after much struggle. The issue is resolved by replacing the isci driver with megasr (my raid controller driver) in initrd (that is used while installation). When isci.ko driver detected my Seagate HDD, it was getting errors during installation. After replacing isci.ko with megasr driver, the installation went fine. share|improve this answer answered Oct 5 '13 at 6:01 keersan 14 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Si